@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,700;1,400&family=IBM+Plex+Sans:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #111010;
  --bg-1: #181614;
  --bg-2: #201d1a;
  --bg-3: #2a2622;
  --border: rgba(255,245,235,.07);
  --border-warm: rgba(220,190,140,.18);
  --border-focus: rgba(220,190,140,.45);
  --text: #f0e8de;
  --text-2: #b0a090;
  --text-3: #706050;
  --accent: #d4924a;
  --accent-2: #e8b06a;
  --accent-dim: rgba(212,146,74,.12);
  --wa: #25d366;
  --wa-dark: #128c4a;
  --white: #ffffff;
  --danger: #c0392b;
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 40px;
  --sp-2xl: 64px;
  --sp-3xl: 96px;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --ease: cubic-bezier(.16,1,.3,1);
  --t-fast: .15s var(--ease);
  --t-med: .3s var(--ease);
  --t-slow: .55s var(--ease);
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(255,245,235,.025) 1px, transparent 1px) 0 0 / 96px 96px,
    radial-gradient(circle at 18% 8%, rgba(212,146,74,.08), transparent 38vw),
    radial-gradient(circle at 82% 18%, rgba(255,245,235,.05), transparent 32vw),
    var(--bg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: clip;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

html,
body {
  max-width: 100%;
}

body.menu-lock {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

::selection {
  color: #150f0b;
  background: var(--accent-2);
}

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 4px;
}

.lead-mobile,
.assurance-mobile,
.mobile-title {
  display: none;
}

.sd-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(17,16,16,.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.sd-header.is-scrolled {
  background: rgba(17,16,16,.97);
  border-bottom-color: var(--border-warm);
}

.sd-header__inner {
  height: 100%;
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 0 var(--sp-xl);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--sp-xl);
}

.sd-brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.sd-brand img {
  width: auto;
  height: 38px;
  padding: 2px 0;
  border-radius: 8px;
  object-fit: contain;
}

.sd-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
}

.sd-mobile-menu__main {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
}

.sd-mobile-label,
.sd-mobile-menu__meta,
.sd-mobile-contact {
  display: none;
}

.sd-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  transition: color var(--t-fast);
}

.sd-nav a.sd-mobile-only-link,
.sd-nav a.sd-mobile-menu__cta {
  display: none;
}

.sd-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: .2em;
  bottom: 7px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
}

.sd-nav a:hover,
.sd-nav a.is-active {
  color: var(--text);
}

.sd-nav a:hover::after,
.sd-nav a.is-active::after {
  transform: scaleX(1);
}

.sd-nav a.sd-nav__calc {
  min-height: 38px;
  padding: 0 13px;
  color: var(--accent-2);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  background: rgba(212,146,74,.08);
  letter-spacing: .14em;
}

.sd-nav a.sd-nav__calc::after {
  display: none;
}

.sd-nav a.sd-nav__calc:hover,
.sd-nav a.sd-nav__calc.is-active {
  color: #17100b;
  background: var(--accent);
  border-color: var(--accent);
}

.sd-header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 18px;
  color: var(--text);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.sd-header__cta-line {
  width: 18px;
  height: 1px;
  background: var(--accent);
}

.sd-header__cta:hover {
  color: #160f0b;
  background: var(--accent);
  border-color: var(--accent);
}

.sd-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  min-width: 86px;
  padding: 0 14px;
  border: 1px solid var(--border-warm);
  border-radius: 14px;
  color: #f3e8dc;
  background: rgba(16,14,12,.82);
  box-shadow: 0 10px 24px rgba(0,0,0,.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}

.sd-menu-btn:hover,
.sd-header.menu-open .sd-menu-btn {
  background: rgba(24,18,14,.95);
  border-color: rgba(196,126,73,.95);
}

.sd-menu-btn__icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 18px;
  flex: 0 0 20px;
}

.sd-menu-btn__icon span {
  position: absolute;
  display: block;
  width: 20px;
  height: 2px;
  margin: 0;
  border-radius: 999px;
  background: #f3e8dc;
  transition: transform var(--t-med), opacity var(--t-med);
}

.sd-menu-btn__icon span:first-child {
  transform: translateY(-4px);
}

.sd-menu-btn__icon span:last-child {
  transform: translateY(4px);
}

.sd-menu-btn__text {
  display: inline-block;
}

.sd-header.menu-open .sd-menu-btn__icon span:first-child {
  transform: rotate(45deg);
}

.sd-header.menu-open .sd-menu-btn__icon span:last-child {
  transform: rotate(-45deg);
}

main {
  overflow-x: clip;
}

.sd-label {
  display: inline-block;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .3em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h2 {
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.8vw, 52px);
  font-weight: 400;
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 500;
  line-height: 1.18;
}

p {
  color: var(--text-2);
  font-weight: 300;
}

.sd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.sd-btn:active {
  transform: scale(.98);
}

.sd-btn--primary {
  color: #17100b;
  background: var(--accent);
  border-color: var(--accent);
}

.sd-btn--primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.sd-wa-icon {
  width: 20px;
  height: 20px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 20px;
  color: currentColor;
}

.sd-wa-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.sd-wa-cta,
.sd-btn--primary.sd-wa-cta {
  gap: 10px;
  color: #fff;
  background: var(--wa);
  border-color: var(--wa);
  box-shadow: 0 14px 34px rgba(37,211,102,.2);
}

.sd-wa-cta:hover,
.sd-btn--primary.sd-wa-cta:hover,
.sd-header__cta.sd-wa-cta:hover {
  color: #fff;
  background: var(--wa-dark);
  border-color: var(--wa-dark);
}

.sd-header__cta.sd-wa-cta {
  color: #fff;
  background: var(--wa);
  border-color: var(--wa);
}

.sd-footer__wa.sd-wa-inline {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 7px 10px;
  color: #fff;
  background: var(--wa);
  border-radius: var(--r-sm);
}

.sd-btn--ghost {
  color: var(--text-2);
  background: transparent;
  border-color: var(--border);
}

.sd-btn--ghost:hover {
  color: var(--text);
  border-color: var(--border-warm);
}

.sd-btn--outline {
  color: var(--accent);
  background: transparent;
  border-color: var(--accent);
}

.sd-btn--outline:hover {
  background: var(--accent-dim);
}

.sd-btn--full {
  width: 100%;
}

.sd-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.sd-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.sd-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17,16,16,.96), rgba(17,16,16,.78) 42%, rgba(17,16,16,.38)),
    linear-gradient(0deg, rgba(17,16,16,.95), rgba(17,16,16,.2) 44%, rgba(17,16,16,.8));
}

.sd-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  filter: grayscale(42%) contrast(1.05);
  transform: scale(1.04);
}

.sd-hero__video {
  display: none;
}

.sd-hero__content {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: calc(var(--header-h) + var(--sp-2xl)) var(--sp-xl) var(--sp-2xl);
  animation: heroIn .8s var(--ease) .1s both;
}

@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sd-hero__h1 {
  max-width: 980px;
  margin-top: var(--sp-md);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(52px, 7vw, 98px);
  font-weight: 400;
  line-height: .96;
  overflow-wrap: break-word;
}

.sd-hero__h1 em {
  color: var(--accent-2);
  font-style: italic;
}

.sd-hero__lead {
  max-width: 690px;
  margin-top: var(--sp-lg);
  color: var(--text-2);
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.55;
}

.sd-hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-md);
  margin-top: var(--sp-xl);
}

.sd-hero__stats {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  animation: statsIn .7s var(--ease) .25s both;
}

@keyframes statsIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sd-stat {
  min-height: 116px;
  padding: var(--sp-lg) var(--sp-xl);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--sp-xs);
}

.sd-stat:last-child {
  border-right: none;
}

.sd-stat strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.sd-stat span {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.4;
}

.sd-assurance {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  background: rgba(17,16,16,.86);
}

.sd-assurance > div {
  min-height: 96px;
  padding: var(--sp-md) var(--sp-lg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.sd-assurance > div:last-child {
  border-right: none;
}

.sd-assurance span {
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}

.sd-assurance em {
  color: var(--text-3);
  font-size: 12px;
  font-style: normal;
  line-height: 1.35;
}

.sd-section {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: var(--sp-3xl) var(--sp-xl);
}

.sd-section__head {
  max-width: 880px;
  margin-bottom: var(--sp-2xl);
}

.sd-section__head h2 {
  margin-top: var(--sp-sm);
}

.sd-section__head p {
  max-width: 640px;
  margin-top: var(--sp-md);
}

.sd-section__head--split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(280px, .65fr);
  gap: var(--sp-2xl);
  align-items: end;
}

.sd-section__head--split p {
  margin-top: 0;
}

.sd-starter__grid,
.sd-reading-list {
  border-top: 1px solid var(--border);
}

.sd-starter__item,
.sd-reading-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(72px, 120px) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-lg);
  min-height: 132px;
  padding: var(--sp-lg) 0;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.sd-starter__item::before,
.sd-reading-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--accent-dim), transparent 48%);
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity var(--t-med), transform var(--t-med);
}

.sd-starter__item > *,
.sd-reading-item > * {
  position: relative;
}

.sd-starter__num,
.sd-reading-item__n {
  color: rgba(220,190,140,.14);
  font-family: var(--font-mono);
  font-size: clamp(52px, 6vw, 78px);
  font-weight: 500;
  line-height: .9;
  transition: color var(--t-med), transform var(--t-med);
}

.sd-starter__item strong,
.sd-reading-item strong {
  display: block;
  color: var(--text);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 500;
  line-height: 1.1;
}

.sd-starter__item em,
.sd-reading-item p {
  display: block;
  max-width: 520px;
  margin-top: 6px;
  color: var(--text-2);
  font-style: normal;
  font-size: 15px;
  line-height: 1.45;
}

.sd-starter__arrow,
.sd-reading-item__arrow {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 26px;
  transition: transform var(--t-med);
}

.sd-starter__item:hover::before,
.sd-reading-item:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.sd-starter__item:hover .sd-starter__num,
.sd-reading-item:hover .sd-reading-item__n {
  color: var(--accent);
  transform: translateX(4px);
}

.sd-starter__item:hover .sd-starter__arrow,
.sd-reading-item:hover .sd-reading-item__arrow {
  transform: translateX(8px);
}

.sd-app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
}

.sd-app-grid a {
  min-width: 0;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  transition: background var(--t-med), transform var(--t-med);
}

.sd-app-grid a:nth-child(3n) {
  border-right: none;
}

.sd-app-grid a:nth-last-child(-n+3) {
  border-bottom: none;
}

.sd-app-grid a:hover {
  background: var(--bg-2);
}

.sd-app-grid article {
  min-height: 100%;
  display: grid;
  grid-template-rows: 260px 1fr;
}

.sd-app-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(35%) contrast(1.05);
  transition: filter var(--t-med), transform var(--t-med);
}

.sd-app-grid a:hover img {
  filter: grayscale(0%) contrast(1.06);
  transform: scale(1.02);
}

.app-copy {
  padding: var(--sp-lg);
}

.app-badge {
  display: inline-flex;
  margin-bottom: var(--sp-md);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.app-copy h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
}

.app-copy p {
  margin-top: 8px;
  font-size: 14px;
}

.app-link-cta {
  display: inline-block;
  margin-top: var(--sp-lg);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.sd-colors {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .88fr);
  min-height: 100svh;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

.sd-colors__preview {
  position: sticky;
  top: var(--header-h);
  height: calc(100svh - var(--header-h));
  margin: 0;
  overflow: hidden;
  background: #0d0d0c;
}

.sd-colors__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity .4s var(--ease), transform .5s var(--ease);
}

.sd-colors__preview img.is-changing {
  opacity: .28;
  transform: scale(1.02);
}

.sd-colors__overlay {
  position: absolute;
  inset: auto 0 0;
  min-height: 42%;
  padding: var(--sp-2xl) var(--sp-xl);
  display: flex;
  align-items: end;
  background: linear-gradient(to top, rgba(17,16,16,.88), transparent);
}

.sd-colors__active-label {
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(44px, 6vw, 84px);
  line-height: .9;
}

.sd-colors__picker {
  padding: var(--sp-3xl) var(--sp-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sd-colors__head h2 {
  margin-top: var(--sp-sm);
}

.sd-colors__head p {
  margin-top: var(--sp-md);
}

.sd-colors__options {
  margin-top: var(--sp-xl);
  border-top: 1px solid var(--border);
}

.sd-color-opt {
  width: 100%;
  display: grid;
  grid-template-columns: 48px minmax(110px, .4fr) minmax(0, 1fr);
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-lg) 0;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: color var(--t-med), padding var(--t-med);
}

.sd-color-opt__swatch {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--c);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}

.sd-color-opt__name {
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
}

.sd-color-opt__desc {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.4;
}

.sd-color-opt:hover,
.sd-color-opt.active {
  color: var(--accent);
  padding-left: var(--sp-sm);
}

.sd-color-opt.active .sd-color-opt__swatch {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.sd-colors__desc-text {
  margin: var(--sp-lg) 0;
  color: var(--accent-2);
  font-size: 15px;
}

.sd-colors__special-note {
  margin: calc(-1 * var(--sp-sm)) 0 var(--sp-lg);
  padding: 12px 14px;
  color: var(--text);
  border-left: 2px solid var(--accent);
  background: rgba(212,146,74,.08);
  font-size: 14px;
  line-height: 1.45;
}

.sd-product-showcase {
  border-bottom: 1px solid var(--border);
}

.sd-product-showcase__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--border);
  background: var(--bg-1);
}

.sd-product-showcase figure {
  margin: 0;
  min-width: 0;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

.sd-product-showcase figure:nth-child(3n),
.sd-product-showcase figure:last-child {
  border-right: 0;
}

.sd-product-showcase figure:nth-last-child(-n+3) {
  border-bottom: 0;
}

.sd-product-showcase img {
  width: 100%;
  height: clamp(320px, 34vw, 460px);
  padding: var(--sp-md);
  object-fit: contain;
  background: #f7f5f0;
}

.sd-product-showcase figcaption {
  min-height: 126px;
  padding: var(--sp-lg);
  border-top: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(212,146,74,.08), transparent 48%),
    var(--bg-2);
}

.sd-product-showcase figcaption strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
}

.sd-product-showcase figcaption span {
  display: block;
  margin-top: 6px;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.45;
}

.sd-compare {
  position: relative;
}

.sd-compare h2 {
  font-size: clamp(30px, 3.2vw, 46px);
}

.sd-compare__grid {
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(212,146,74,.055), transparent 42%),
    var(--bg-1);
}

.sd-compare__head,
.sd-compare__row {
  display: grid;
  grid-template-columns: minmax(150px, .7fr) minmax(0, 1fr) minmax(0, 1.08fr);
}

.sd-compare__head {
  min-height: 62px;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(7,59,52,.38);
}

.sd-compare__head span {
  padding: 0 var(--sp-lg);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.sd-compare__row {
  border-bottom: 1px solid var(--border);
}

.sd-compare__row:last-child {
  border-bottom: none;
}

.sd-compare__row > * {
  min-height: 98px;
  display: flex;
  align-items: center;
  padding: var(--sp-md) var(--sp-lg);
  border-right: 1px solid var(--border);
}

.sd-compare__row > *:last-child {
  border-right: none;
}

.sd-compare__row strong {
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
}

.sd-compare__row p {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.45;
}

.sd-compare__row .is-strong {
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(212,146,74,.10), transparent 72%),
    rgba(7,59,52,.18);
  border-left: 1px solid var(--border-warm);
}

.sd-compare__result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-xl);
  align-items: center;
  margin-top: var(--sp-lg);
  padding: var(--sp-lg);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  background:
    linear-gradient(135deg, rgba(7,59,52,.36), rgba(92,24,48,.16)),
    var(--bg-2);
}

.sd-compare__result p {
  max-width: 820px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.55;
}

.sd-compare__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  justify-content: flex-end;
}

.sd-anchor-alias {
  position: relative;
  top: -96px;
  display: block;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.sd-features {
  border-top: 1px solid var(--border);
}

.sd-feature {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: var(--sp-xl);
  align-items: start;
  padding: var(--sp-xl) 0;
  border-bottom: 1px solid var(--border);
}

.sd-feature__num {
  color: rgba(255,245,235,.08);
  font-family: var(--font-mono);
  font-size: clamp(64px, 8vw, 106px);
  font-weight: 500;
  line-height: .82;
  transition: color var(--t-med);
}

.sd-feature:hover .sd-feature__num {
  color: var(--accent);
}

.sd-feature__body {
  max-width: 760px;
}

.sd-feature__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 2.8vw, 36px);
  font-weight: 400;
}

.sd-feature__body p {
  margin-top: var(--sp-sm);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

.sd-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
}

.sd-step {
  min-height: 320px;
  padding: var(--sp-2xl) var(--sp-xl);
  border-right: 1px solid var(--border);
  background: var(--bg-1);
}

.sd-step:nth-child(2n) {
  background: var(--bg-2);
}

.sd-step:last-child {
  border-right: none;
}

.sd-step__n {
  display: block;
  margin-bottom: var(--sp-xl);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 52px;
  line-height: .9;
}

.sd-step h3 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 400;
}

.sd-step p {
  margin-top: var(--sp-md);
  font-size: 15px;
}

.sd-technical {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1fr);
  gap: var(--sp-3xl);
  align-items: start;
}

.sd-technical__head {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-xl));
}

.sd-technical__head h2 {
  margin-top: var(--sp-sm);
}

.sd-technical__head p {
  margin-top: var(--sp-md);
}

.sd-accordion {
  border-top: 1px solid var(--border);
}

.sd-acc__item {
  border-bottom: 1px solid var(--border);
}

.sd-acc__trigger {
  width: 100%;
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-lg) 0;
  border: none;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.sd-acc__n {
  width: 44px;
  flex: 0 0 44px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
}

.sd-acc__title {
  flex: 1;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 400;
  line-height: 1.1;
}

.sd-acc__icon {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 24px;
  transition: transform var(--t-med);
}

.sd-acc__trigger[aria-expanded="true"] .sd-acc__icon {
  transform: rotate(45deg);
}

.sd-acc__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-med);
}

.sd-acc__body p {
  max-width: 720px;
  padding: 0 0 var(--sp-lg) 60px;
  color: var(--text-2);
}

.sd-guarantee {
  position: relative;
  padding: var(--sp-3xl) var(--sp-xl);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(212,146,74,.08), transparent 36%),
    var(--bg-2);
  overflow: hidden;
}

.sd-guarantee__inner {
  width: min(100%, 980px);
  margin: 0 auto;
  text-align: center;
}

.sd-guarantee__mark {
  width: min(100%, 760px);
  height: auto;
  max-height: 324px;
  margin: 0 auto var(--sp-xl);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-md);
  object-fit: cover;
  opacity: .96;
  box-shadow: 0 24px 70px rgba(0,0,0,.28);
}

.sd-guarantee h2 {
  margin-top: var(--sp-md);
  font-size: clamp(34px, 4vw, 56px);
}

.sd-guarantee__inner > p {
  max-width: 760px;
  margin: var(--sp-lg) auto 0;
}

.sd-guarantee__pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: var(--sp-2xl);
  text-align: left;
  border: 1px solid var(--border);
}

.sd-guarantee__pillars > div {
  padding: var(--sp-lg);
  border-right: 1px solid var(--border);
  background: rgba(17,16,16,.38);
}

.sd-guarantee__pillars > div:last-child {
  border-right: none;
}

.sd-guarantee__icon {
  display: block;
  margin-bottom: var(--sp-md);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 24px;
}

.sd-guarantee__pillars strong {
  display: block;
  color: var(--text);
  font-size: 17px;
  font-weight: 500;
}

.sd-guarantee__pillars p {
  margin-top: var(--sp-sm);
  font-size: 14px;
}

.sd-quote {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: var(--sp-3xl) var(--sp-xl);
  display: grid;
  grid-template-columns: minmax(280px, .75fr) minmax(0, 1fr);
  gap: var(--sp-3xl);
  align-items: start;
}

.sd-quote__copy {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-xl));
}

.sd-quote__copy h2 {
  margin-top: var(--sp-sm);
}

.sd-quote__copy p {
  margin-top: var(--sp-md);
}

.sd-trust-block {
  margin-top: var(--sp-xl);
  border-top: 1px solid var(--border);
}

.sd-trust-item {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  min-height: 52px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
}

.sd-trust-icon {
  color: var(--accent);
  font-family: var(--font-mono);
}

.sd-checklist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin-top: var(--sp-lg);
}

.sd-checklist span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  color: var(--accent);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.sd-location-card {
  margin-top: var(--sp-lg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-1);
  overflow: hidden;
}

.sd-location-card__copy {
  padding: var(--sp-md);
  display: grid;
  gap: 5px;
  text-align: left;
}

.sd-location-card__label {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.sd-location-card strong {
  color: var(--text);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.25;
}

.sd-location-card__copy > span:not(.sd-location-card__label) {
  color: var(--text-2);
  font-size: 14px;
}

.sd-location-card a {
  width: fit-content;
  margin-top: 4px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.sd-location-card__map {
  height: 180px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.sd-location-card__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(40%) contrast(.92) brightness(.78);
}

.sd-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-md);
  padding: var(--sp-lg);
  border: 1px solid var(--border);
  background: var(--bg-1);
}

.sd-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.sd-field--full,
.sd-form .wide {
  grid-column: 1 / -1;
}

.sd-field__label,
.sd-field > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.sd-field__opt {
  color: var(--text-3);
  letter-spacing: .08em;
}

.sd-form input,
.sd-form select,
.sd-form textarea {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 15px;
  outline: none;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.sd-form textarea {
  min-height: 118px;
  resize: vertical;
}

.sd-form select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.sd-form input::placeholder,
.sd-form textarea::placeholder {
  color: var(--text-3);
}

.sd-form input:focus,
.sd-form select:focus,
.sd-form textarea:focus {
  border-color: var(--border-focus);
  background: var(--bg-2);
}

.sd-seo-summary {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

.sd-seo-summary h2 {
  max-width: 980px;
  margin-top: var(--sp-sm);
}

.sd-seo-summary p {
  max-width: 820px;
  margin-top: var(--sp-md);
}

.sd-footer {
  padding: var(--sp-3xl) var(--sp-xl);
  border-top: 1px solid var(--border);
  background: #0d0c0b;
}

.sd-footer__inner {
  width: min(100%, 1440px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(260px, .75fr) minmax(0, 1.4fr);
  gap: var(--sp-3xl);
}

.sd-footer__brand img {
  width: 152px;
  height: auto;
}

.sd-footer__brand p {
  max-width: 420px;
  margin-top: var(--sp-lg);
}

.sd-footer__brand small {
  display: block;
  margin-top: var(--sp-lg);
  color: var(--text-3);
  font-size: 13px;
}

.sd-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-xl);
}

.sd-footer__cols strong {
  display: block;
  margin-bottom: var(--sp-md);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.sd-footer__cols a {
  display: block;
  padding: 4px 0;
  color: var(--text-2);
  font-size: 14px;
  transition: color var(--t-fast), transform var(--t-fast);
}

.sd-footer__address {
  margin: 8px 0 2px;
  line-height: 1.35;
}

.sd-footer__address span,
.sd-footer__address small {
  display: block;
}

.sd-footer__address span {
  color: var(--text);
  font-weight: 500;
}

.sd-footer__address small {
  color: var(--text-3);
  font-size: 13px;
}

.sd-footer__cols a:hover {
  color: var(--text);
  transform: translateX(4px);
}

.sd-wa-bar {
  display: none;
}

.sd-guide-page {
  background:
    linear-gradient(90deg, rgba(255,245,235,.018) 1px, transparent 1px) 0 0 / 72px 72px,
    radial-gradient(circle at 12% 12%, rgba(212,146,74,.06), transparent 34vw),
    var(--bg);
}

.sd-guide-hero {
  padding: calc(var(--header-h) + var(--sp-3xl)) var(--sp-xl) var(--sp-2xl);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(7,55,50,.88), rgba(18,16,16,.96) 58%, rgba(92,24,48,.42)),
    var(--bg);
}

.sd-guide-hero__inner {
  width: min(100%, 1440px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: var(--sp-2xl);
  align-items: end;
}

.sd-guide-hero__copy h1 {
  max-width: 980px;
  margin-top: var(--sp-md);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(48px, 6.8vw, 92px);
  font-weight: 400;
  line-height: .98;
}

.sd-guide-hero__copy p {
  max-width: 780px;
  margin-top: var(--sp-lg);
  color: var(--text-2);
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.55;
}

.sd-guide-hero__panel {
  padding: var(--sp-lg);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  background: rgba(17,16,16,.54);
}

.sd-guide-hero__panel span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.sd-guide-hero__panel strong {
  display: block;
  margin-top: var(--sp-sm);
  color: var(--text);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.18;
}

.sd-guide-hero__panel p {
  margin-top: var(--sp-md);
  color: var(--text-2);
  font-size: 14px;
}

.sd-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--sp-2xl);
  align-items: start;
}

.sd-guide-body {
  min-width: 0;
}

.sd-guide-body p,
.sd-guide-body li {
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.74;
}

.sd-guide-body p + p,
.sd-guide-section p + p {
  margin-top: var(--sp-md);
}

.sd-guide-lead {
  color: var(--text) !important;
  font-size: clamp(18px, 2vw, 23px) !important;
  line-height: 1.48 !important;
}

.sd-guide-body a {
  color: var(--accent-2);
  border-bottom: 1px solid var(--border-warm);
}

.sd-guide-body blockquote {
  margin: var(--sp-xl) 0;
  padding: var(--sp-lg);
  color: var(--text);
  border-left: 3px solid var(--accent);
  background: var(--bg-1);
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.16;
}

.sd-guide-section {
  margin-top: var(--sp-2xl);
  padding-top: var(--sp-xl);
  border-top: 1px solid var(--border);
}

.sd-guide-section h2 {
  max-width: 900px;
  margin-bottom: var(--sp-lg);
  font-size: clamp(28px, 3.4vw, 46px);
}

.sd-guide-section ul {
  display: grid;
  gap: 8px;
  margin: var(--sp-lg) 0;
  padding: 0;
  list-style: none;
}

.sd-guide-section li {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-1);
}

.sd-guide-aside {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-xl));
  display: grid;
  gap: var(--sp-md);
}

.sd-guide-aside__card {
  padding: var(--sp-lg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-1);
}

.sd-guide-aside__card strong {
  display: block;
  margin-top: var(--sp-md);
  color: var(--text);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.42;
}

.sd-guide-aside__card a {
  display: block;
  padding: 10px 0;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  transition: color var(--t-fast), transform var(--t-fast);
}

.sd-guide-aside__card a:hover {
  color: var(--text);
  transform: translateX(4px);
}

.sd-guide-faq {
  border-top: 1px solid var(--border);
}

.sd-guide-faq__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--border);
}

.sd-guide-faq__grid article {
  min-height: 180px;
  padding: var(--sp-lg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

.sd-guide-faq__grid article:nth-child(2n) {
  border-right: none;
}

.sd-guide-faq__grid article:nth-last-child(-n+2) {
  border-bottom: none;
}

.sd-guide-faq__grid strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.25;
}

.sd-guide-faq__grid p {
  margin-top: var(--sp-sm);
  color: var(--text-2);
  font-size: 14px;
}

.sd-guide-cta {
  width: min(100%, 1440px);
  margin: 0 auto var(--sp-3xl);
  padding: var(--sp-2xl) var(--sp-xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-xl);
  align-items: end;
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  background:
    linear-gradient(135deg, rgba(212,146,74,.12), transparent 45%),
    var(--bg-2);
}

.sd-guide-cta h2 {
  max-width: 850px;
  margin-top: var(--sp-sm);
}

.sd-guide-cta p {
  max-width: 680px;
  margin-top: var(--sp-md);
}

.sd-price-hero {
  padding: 132px var(--sp-xl) var(--sp-2xl);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(7,59,52,.94), rgba(18,16,16,.96) 58%, rgba(92,24,48,.42)),
    var(--bg);
}

.sd-price-hero__inner {
  width: min(100%, 1240px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: var(--sp-2xl);
  align-items: end;
}

.sd-price-hero__copy h1 {
  max-width: 900px;
  margin-top: var(--sp-sm);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(44px, 5.8vw, 82px);
  font-weight: 400;
  line-height: 1;
}

.sd-price-hero__copy .lead {
  max-width: 760px;
  margin-top: var(--sp-lg);
  color: var(--text-2);
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.56;
}

.sd-price-range {
  padding: var(--sp-lg);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  background:
    linear-gradient(135deg, rgba(212,146,74,.12), transparent 56%),
    rgba(17,16,16,.62);
}

.sd-price-range span,
.sd-price-note span,
.sd-price-card-grid span,
.sd-price-cta__notes span {
  font-family: var(--font-mono);
}

.sd-price-range span {
  color: var(--accent);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.sd-price-range strong {
  display: block;
  margin-top: var(--sp-sm);
  color: var(--text);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 600;
  line-height: 1.08;
}

.sd-price-range p {
  margin-top: var(--sp-md);
  color: var(--text-2);
  font-size: 14px;
}

.sd-price-guide {
  width: min(100%, 1080px);
}

.sd-price-body p,
.sd-price-body li {
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.72;
}

.sd-price-body p + p {
  margin-top: var(--sp-md);
}

.sd-price-body a {
  color: var(--accent-2);
  border-bottom: 1px solid var(--border-warm);
}

.sd-price-note {
  margin: var(--sp-xl) 0;
  padding: var(--sp-lg);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  background: var(--bg-1);
}

.sd-price-note strong {
  display: block;
  color: var(--text);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 500;
  line-height: 1.34;
}

.sd-price-note span {
  display: block;
  margin-top: var(--sp-md);
  color: var(--text-2);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.5;
  text-transform: uppercase;
}

.sd-price-section {
  margin-top: var(--sp-2xl);
  padding-top: var(--sp-xl);
  border-top: 1px solid var(--border);
}

.sd-price-section h2,
.sd-price-cards h2 {
  margin-bottom: var(--sp-lg);
  font-size: clamp(28px, 3.5vw, 48px);
}

.sd-price-section h3 {
  margin: var(--sp-xl) 0 var(--sp-sm);
  color: var(--accent-2);
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 500;
}

.sd-price-cards {
  margin: var(--sp-2xl) 0;
  padding: var(--sp-xl);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-1);
}

.sd-price-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: var(--sp-xl);
  border: 1px solid var(--border);
}

.sd-price-card-grid article {
  min-height: 190px;
  padding: var(--sp-lg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(17,16,16,.42);
}

.sd-price-card-grid article:nth-child(3n) {
  border-right: none;
}

.sd-price-card-grid article:nth-last-child(-n+3) {
  border-bottom: none;
}

.sd-price-card-grid span {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: .16em;
}

.sd-price-card-grid strong {
  display: block;
  margin-top: var(--sp-md);
  color: var(--text);
  font-size: 20px;
  font-weight: 500;
}

.sd-price-card-grid p {
  margin-top: var(--sp-sm);
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.45;
}

.sd-price-cta {
  width: min(100%, 1240px);
  margin: 0 auto var(--sp-2xl);
  padding: var(--sp-2xl) var(--sp-xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-xl);
  align-items: end;
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  background:
    linear-gradient(135deg, rgba(7,59,52,.78), rgba(17,16,16,.96) 60%, rgba(92,24,48,.5)),
    var(--bg-2);
}

.sd-price-cta h2 {
  max-width: 820px;
  margin-top: var(--sp-sm);
}

.sd-price-cta p {
  max-width: 680px;
  margin-top: var(--sp-md);
}

.sd-price-cta__notes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin-top: var(--sp-lg);
}

.sd-price-cta__notes span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  color: var(--accent);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

@media (max-width: 1180px) {
  .sd-header__inner {
    padding: 0 var(--sp-lg);
    gap: var(--sp-lg);
  }

  .sd-nav {
    gap: 18px;
  }

  .sd-section,
  .sd-quote {
    padding-left: var(--sp-lg);
    padding-right: var(--sp-lg);
  }

  .sd-app-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sd-app-grid a:nth-child(3n) {
    border-right: 1px solid var(--border);
  }

  .sd-app-grid a:nth-child(2n) {
    border-right: none;
  }

  .sd-app-grid a:nth-last-child(-n+3) {
    border-bottom: 1px solid var(--border);
  }

  .sd-app-grid a:nth-last-child(-n+2) {
    border-bottom: none;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 68px;
    --sp-3xl: 72px;
    --sp-2xl: 48px;
    --sp-xl: 28px;
  }

  .sd-menu-btn {
    display: inline-flex;
    justify-self: end;
    height: 44px;
    min-width: 74px;
    padding: 0 11px;
    gap: 8px;
    border-radius: 12px;
    font-size: 12px;
    letter-spacing: .06em;
  }

  .sd-header__inner {
    grid-template-columns: auto 1fr auto;
    gap: 12px;
  }

  .sd-header__cta {
    display: none;
  }

  .sd-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    z-index: 120;
    width: 100vw;
    min-height: calc(100svh - var(--header-h));
    max-height: calc(100svh - var(--header-h));
    display: grid;
    align-content: start;
    gap: 14px;
    padding: 18px 18px calc(26px + env(safe-area-inset-bottom));
    background: #111010;
    border-top: 1px solid var(--border);
    box-shadow: 0 28px 70px rgba(0,0,0,.55);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--t-med), transform var(--t-med);
    isolation: isolate;
  }

  .sd-header.menu-open .sd-nav {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .sd-header.menu-open {
    background: #111010;
    border-bottom-color: var(--border-warm);
  }

  .sd-mobile-menu__main {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--border);
  }

  .sd-desktop-label,
  .sd-desktop-only-link {
    display: none !important;
  }

  .sd-mobile-label {
    display: inline;
  }

  .sd-nav a.sd-mobile-only-link {
    display: inline-flex;
  }

  .sd-nav a {
    min-height: 52px;
    border-bottom: 1px solid rgba(255,245,235,.08);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: clamp(17px, 4.8vw, 21px);
    font-weight: 700;
    letter-spacing: .01em;
    text-transform: none;
  }

  .sd-nav a.sd-nav__calc {
    min-height: 52px;
    padding: 0 0 0 12px;
    color: var(--accent-2);
    border-bottom: 1px solid var(--border-warm);
    border-radius: 0;
    background: linear-gradient(90deg, rgba(212,146,74,.13), transparent 68%);
    font-family: var(--font-sans);
    font-size: clamp(17px, 4.8vw, 21px);
    font-weight: 800;
  }

  .sd-nav a::after {
    display: none;
  }

  .sd-nav a.sd-nav__quote {
    min-height: 52px;
    justify-content: center;
    margin-top: 10px;
    padding: 0 20px;
    color: #17100b;
    border: 1px solid var(--accent);
    border-radius: var(--r-md);
    background: var(--accent);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
  }

  .sd-nav a.sd-mobile-menu__cta {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 3px 12px;
    min-height: 76px;
    align-content: center;
    padding: 14px 16px;
    color: #fff;
    border: 1px solid rgba(37,211,102,.55);
    border-radius: var(--r-md);
    background: rgba(37,211,102,.14);
  }

  .sd-nav a.sd-mobile-menu__cta:not(.sd-wa-cta) {
    grid-template-columns: 1fr;
  }

  .sd-mobile-menu__cta strong {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
  }

  .sd-mobile-menu__cta > span:not(.sd-wa-icon) {
    color: rgba(255,255,255,.78);
    font-size: 12px;
  }

  .sd-mobile-menu__cta .sd-wa-icon {
    grid-row: 1 / 3;
    width: 38px;
    height: 38px;
    place-self: center;
    padding: 8px;
    border-radius: 999px;
    background: var(--wa);
  }

  .sd-mobile-menu__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    color: var(--text-2);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .08em;
  }

  .sd-mobile-menu__meta a {
    min-height: 0;
    border: 0;
    color: var(--text-2);
    font-family: inherit;
    font-size: inherit;
    letter-spacing: inherit;
    text-transform: none;
  }

  .sd-mobile-contact[hidden] {
    display: none !important;
  }

  .sd-header.contact-open .sd-mobile-menu__main,
  .sd-header.contact-open .sd-mobile-menu__cta,
  .sd-header.contact-open .sd-mobile-menu__meta {
    display: none;
  }

  .sd-header.contact-open .sd-mobile-contact {
    display: grid;
    gap: 16px;
  }

  .sd-mobile-contact__back {
    width: max-content;
    min-height: 44px;
    padding: 0 12px;
    color: var(--text-2);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    background: transparent;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .08em;
    cursor: pointer;
  }

  .sd-mobile-contact h2 {
    max-width: 9ch;
    font-size: clamp(33px, 10vw, 48px);
  }

  .sd-mobile-contact p {
    max-width: 34ch;
    font-size: 15px;
    line-height: 1.55;
  }

  .sd-mobile-contact__grid {
    display: grid;
    gap: 10px;
  }

  .sd-mobile-contact__card {
    min-height: 86px;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    padding: 14px;
    color: var(--text);
    border: 1px solid rgba(220,190,140,.2);
    border-radius: var(--r-md);
    background: var(--bg-2);
  }

  .sd-mobile-contact__icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    color: var(--accent-2);
    border: 1px solid var(--border-warm);
    border-radius: var(--r-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .08em;
  }

  .sd-mobile-contact__card strong,
  .sd-mobile-contact__card em,
  .sd-mobile-contact__card b {
    display: block;
    font-style: normal;
  }

  .sd-mobile-contact__card.sd-wa-contact {
    border-color: rgba(37,211,102,.42);
    background: rgba(37,211,102,.1);
  }

  .sd-mobile-contact__card .sd-wa-icon {
    color: #fff;
    background: var(--wa);
    border-color: var(--wa);
  }

  .sd-mobile-contact__card strong {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 700;
  }

  .sd-mobile-contact__card em {
    margin-top: 2px;
    color: var(--text-2);
    font-size: 13px;
    line-height: 1.35;
  }

  .sd-mobile-contact__card b {
    grid-column: 2;
    margin-top: 6px;
    color: var(--accent-2);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: .12em;
    text-transform: uppercase;
  }

  .sd-mobile-contact__trust {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    padding-top: 4px;
  }

  .sd-mobile-contact__trust span {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    color: var(--text-2);
    border-top: 1px solid var(--border);
    font-size: 13px;
  }

  body.menu-lock .sd-wa-bar {
    display: none !important;
  }

  .sd-hero__content {
    padding-left: var(--sp-lg);
    padding-right: var(--sp-lg);
  }

  .sd-hero__stats {
    grid-template-columns: 1fr;
  }

  .sd-stat {
    min-height: 92px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sd-stat:last-child {
    border-bottom: none;
  }

  .sd-assurance {
    grid-template-columns: repeat(2, 1fr);
  }

  .sd-assurance > div:nth-child(2n) {
    border-right: none;
  }

  .sd-assurance > div {
    border-bottom: 1px solid var(--border);
  }

  .sd-assurance > div:nth-last-child(-n+2) {
    border-bottom: none;
  }

  .sd-section__head--split,
  .sd-technical,
  .sd-quote,
  .sd-footer__inner,
  .sd-guide,
  .sd-guide-hero__inner,
  .sd-guide-cta,
  .sd-price-hero__inner,
  .sd-price-cta {
    grid-template-columns: 1fr;
    gap: var(--sp-xl);
  }

  .sd-technical__head,
  .sd-quote__copy,
  .sd-guide-aside {
    position: static;
  }

  .sd-colors {
    grid-template-columns: 1fr;
  }

  .sd-colors__preview {
    position: relative;
    top: auto;
    height: 380px;
  }

  .sd-colors__picker {
    padding: var(--sp-2xl) var(--sp-lg);
  }

  .sd-feature {
    grid-template-columns: 1fr;
    gap: var(--sp-md);
  }

  .sd-compare__result {
    grid-template-columns: 1fr;
    gap: var(--sp-lg);
  }

  .sd-compare__actions {
    justify-content: flex-start;
  }

  .sd-feature__num {
    font-size: 52px;
  }

  .sd-steps,
  .sd-guarantee__pillars,
  .sd-footer__cols {
    grid-template-columns: 1fr;
  }

  .sd-step,
  .sd-guarantee__pillars > div {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sd-step:last-child,
  .sd-guarantee__pillars > div:last-child {
    border-bottom: none;
  }
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: 82px;
  }

  body {
    padding-bottom: calc(88px + env(safe-area-inset-bottom));
    background:
      linear-gradient(90deg, rgba(255,245,235,.01) 1px, transparent 1px) 0 0 / 64px 64px,
      var(--bg);
  }

  .lead-desktop,
  .assurance-desktop,
  .desktop-title {
    display: none;
  }

  .lead-mobile,
  .assurance-mobile,
  .mobile-title {
    display: inline;
  }

  .sd-header__inner {
    padding: 0 14px;
  }

  .sd-brand img {
    height: 34px;
    border-radius: 8px;
  }

  .sd-label {
    font-size: 10px;
    letter-spacing: .16em;
  }

  .sd-hero {
    min-height: auto;
  }

  .sd-hero__bg::after {
    background:
      linear-gradient(0deg, rgba(17,16,16,.98), rgba(17,16,16,.58) 46%, rgba(17,16,16,.9)),
      linear-gradient(90deg, rgba(17,16,16,.96), rgba(17,16,16,.5));
  }

  .sd-hero__bg img {
    opacity: .12;
  }

  .sd-hero__video {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .68;
    filter: saturate(.9) contrast(1.05);
  }

  .sd-hero__content {
    min-height: auto;
    padding: calc(var(--header-h) + 20px) 18px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .sd-hero__h1 {
    font-size: clamp(32px, 9.4vw, 42px);
    line-height: 1;
  }

  .sd-hero__h1 em {
    display: block;
  }

  .sd-hero__lead {
    margin-top: 12px;
    max-width: min(100%, 36ch);
    font-size: 15px;
    line-height: 1.42;
    overflow-wrap: anywhere;
  }

  .lead-mobile {
    display: block;
  }

  .sd-hero__actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 18px;
  }

  .sd-btn {
    min-height: 52px;
    border-radius: var(--r-md);
    font-size: 15px;
    padding: 0 18px;
  }

  .sd-hero__stats {
    display: grid;
    grid-template-columns: 1fr;
    overflow: visible;
    border-top: 1px solid var(--border);
    background: rgba(17,16,16,.72);
  }

  .sd-stat {
    min-height: 72px;
    padding: 14px 18px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sd-assurance {
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: visible;
    padding: 0;
    background: rgba(17,16,16,.82);
  }

  .sd-assurance > div {
    min-height: 82px;
    padding: 13px 16px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .sd-assurance > div:nth-child(2n) {
    border-right: none;
  }

  .sd-assurance > div:nth-last-child(-n+2) {
    border-bottom: none;
  }

  .sd-section,
  .sd-quote {
    padding: 44px 18px;
  }

  .sd-guide-hero {
    padding: calc(var(--header-h) + 38px) 18px 44px;
  }

  .sd-guide-hero__copy h1 {
    font-size: clamp(38px, 11vw, 56px);
  }

  .sd-guide-hero__copy p {
    font-size: 15px;
  }

  .sd-guide-hero__panel,
  .sd-guide-aside__card,
  .sd-guide-body blockquote {
    padding: 18px;
  }

  .sd-guide {
    padding-top: 48px;
  }

  .sd-guide-body p,
  .sd-guide-body li {
    font-size: 15px;
    line-height: 1.64;
  }

  .sd-guide-section {
    margin-top: 42px;
    padding-top: 30px;
  }

  .sd-guide-section h2 {
    font-size: clamp(28px, 8vw, 38px);
  }

  .sd-guide-faq__grid {
    grid-template-columns: 1fr;
  }

  .sd-guide-faq__grid article {
    min-height: auto;
    border-right: none;
  }

  .sd-guide-faq__grid article:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--border);
  }

  .sd-guide-faq__grid article:last-child {
    border-bottom: none;
  }

  .sd-guide-cta {
    width: auto;
    margin: 0 18px 92px;
    padding: 34px 18px;
  }

  .sd-price-hero {
    padding: 84px 18px 22px;
  }

  .sd-price-hero__copy h1 {
    max-width: 12ch;
    font-size: clamp(36px, 10vw, 44px);
    line-height: .98;
  }

  .sd-price-hero__copy .lead {
    max-width: 28ch;
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.42;
  }

  .sd-price-hero .hero-actions {
    margin-top: 18px;
  }

  .sd-price-hero .hero-actions .btn {
    min-height: 52px;
  }

  .ad-header + main .sd-price-guide.section {
    padding-top: 18px;
  }

  .sd-price-range {
    display: none;
  }

  .sd-price-range,
  .sd-price-note,
  .sd-price-cards {
    padding: 18px;
  }

  .sd-price-body p,
  .sd-price-body li {
    font-size: 15px;
    line-height: 1.62;
  }

  .sd-price-section {
    margin-top: 42px;
    padding-top: 30px;
  }

  .sd-price-section h2,
  .sd-price-cards h2 {
    font-size: clamp(28px, 8vw, 38px);
  }

  .sd-price-card-grid {
    grid-template-columns: 1fr;
  }

  .sd-price-card-grid article,
  .sd-price-card-grid article:nth-child(3n),
  .sd-price-card-grid article:nth-last-child(-n+3) {
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sd-price-card-grid article:last-child {
    border-bottom: none;
  }

  .sd-price-cta {
    width: auto;
    margin: 0 18px 92px;
    padding: 34px 18px;
  }

  .sd-section__head {
    margin-bottom: 24px;
  }

  h2 {
    font-size: clamp(27px, 8vw, 38px);
    line-height: 1.08;
  }

  .sd-starter__item,
  .sd-reading-item {
    grid-template-columns: 58px minmax(0, 1fr) auto;
    min-height: 96px;
    gap: 12px;
    padding: 18px 0;
  }

  .sd-starter__num,
  .sd-reading-item__n {
    font-size: 40px;
  }

  .sd-starter__item strong,
  .sd-reading-item strong {
    font-size: 18px;
  }

  .sd-starter__item em,
  .sd-reading-item p {
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .sd-app-grid {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    border: none;
    margin-inline: -18px;
    padding: 0 18px 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .sd-app-grid::-webkit-scrollbar {
    display: none;
  }

  .sd-app-grid a {
    flex: 0 0 82%;
    border: 1px solid var(--border);
    scroll-snap-align: start;
  }

  .sd-app-grid article {
    grid-template-rows: 200px 1fr;
  }

  .app-copy {
    padding: 15px;
  }

  .app-copy h3 {
    font-size: 20px;
  }

  .app-copy p {
    min-height: 2.8em;
    color: var(--text-2);
    font-size: 13px;
    line-height: 1.4;
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .sd-colors__preview {
    height: 210px;
  }

  .sd-colors__overlay {
    padding: 12px 18px;
    min-height: 30%;
  }

  .sd-colors__active-label {
    font-size: 28px;
  }

  .sd-colors__picker {
    padding: 22px 18px 20px;
  }

  .sd-colors__head h2 {
    font-size: 22px;
  }

  .sd-colors__head p {
    font-size: 14px;
    line-height: 1.5;
  }

  .sd-colors__options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    overflow: visible;
    margin-inline: 0;
    padding: 0;
    border-top: none;
    margin-top: 16px;
  }

  .sd-color-opt {
    width: 100%;
    min-height: 66px;
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--border);
    background: var(--bg-2);
    border-radius: var(--r-sm);
  }

  .sd-color-opt__swatch {
    grid-row: auto;
    width: 34px;
    height: 34px;
  }

  .sd-color-opt__name {
    font-size: 14px;
    align-self: center;
    line-height: 1.15;
  }

  .sd-color-opt__desc {
    display: none;
  }

  .sd-color-opt.active {
    background: rgba(212,146,74,.1);
    border-color: var(--border-focus);
  }

  .sd-colors__desc-text {
    margin: 14px 0 16px;
    padding: 12px 14px;
    border: 1px solid var(--border-warm);
    background: rgba(212,146,74,.08);
    color: var(--text-2);
    font-size: 13px;
    line-height: 1.45;
  }

  .sd-colors__special-note {
    margin: -4px 0 14px;
    padding: 11px 72px 11px 12px;
    font-size: 13px;
  }

  .sd-product-showcase__grid {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    margin-inline: -18px;
    padding: 0 18px 12px;
    border: 0;
    background: transparent;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .sd-product-showcase__grid::-webkit-scrollbar {
    display: none;
  }

  .sd-product-showcase figure {
    flex: 0 0 78%;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    overflow: hidden;
    scroll-snap-align: start;
  }

  .sd-product-showcase img {
    height: 230px;
    padding: 12px;
  }

  .sd-product-showcase figcaption {
    min-height: 92px;
    padding: 14px;
  }

  .sd-product-showcase figcaption strong {
    font-size: 16px;
  }

  .sd-product-showcase figcaption span {
    font-size: 13px;
  }

  .sd-compare__grid {
    border: none;
    background: transparent;
  }

  .sd-compare__head {
    display: none;
  }

  .sd-compare__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    overflow: hidden;
    background: rgba(17,16,16,.5);
  }

  .sd-compare__row:last-child {
    margin-bottom: 0;
    border-bottom: 1px solid var(--border);
  }

  .sd-compare__row > * {
    min-height: auto;
    display: block;
    padding: 14px 16px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sd-compare__row > *:last-child {
    border-bottom: none;
  }

  .sd-compare__row strong {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .12em;
    line-height: 1.35;
    text-transform: uppercase;
  }

  .sd-compare__row p {
    position: relative;
    padding-left: 92px;
    font-size: 14px;
    line-height: 1.45;
  }

  .sd-compare__row p::before {
    position: absolute;
    left: 16px;
    top: 14px;
    width: 64px;
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 500;
    letter-spacing: .08em;
    line-height: 1.25;
    text-transform: uppercase;
  }

  .sd-compare__row p:nth-of-type(1)::before {
    content: "Ahşap";
  }

  .sd-compare__row p:nth-of-type(2)::before {
    content: "Kompozit";
    color: var(--accent);
  }

  .sd-compare__row .is-strong {
    border-left: none;
    background:
      linear-gradient(90deg, rgba(212,146,74,.12), transparent 78%),
      rgba(7,59,52,.26);
  }

  .sd-compare__result {
    padding: 16px;
  }

  .sd-compare__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .sd-compare__actions .sd-btn {
    width: 100%;
  }

  .sd-feature {
    padding: 22px 0;
    gap: 14px;
  }

  .sd-feature__body h3,
  .sd-step h3 {
    font-size: 23px;
  }

  .sd-step {
    min-height: auto;
    padding: 28px 18px;
  }

  .sd-step__n {
    font-size: 42px;
    margin-bottom: 20px;
  }

  .sd-acc__trigger {
    min-height: 64px;
    padding: 18px 0;
  }

  .sd-acc__n {
    width: 36px;
    flex-basis: 36px;
  }

  .sd-acc__title {
    font-size: 21px;
  }

  .sd-acc__body p {
    padding-left: 52px;
    font-size: 14px;
  }

  .sd-guarantee {
    padding: 52px 18px;
  }

  .sd-guarantee__mark {
    width: 100%;
    max-height: 190px;
    margin-bottom: 22px;
  }

  .sd-guarantee h2 {
    font-size: clamp(32px, 9vw, 44px);
  }

  .sd-guarantee__pillars > div {
    padding: 18px;
  }

  .sd-form {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px;
  }

  .sd-form input,
  .sd-form select,
  .sd-form textarea {
    min-height: 56px;
    font-size: 16px;
    padding: 14px 15px;
  }

  .sd-form textarea {
    min-height: 96px;
  }

  .sd-field__label,
  .sd-field > span {
    font-size: 10px;
    letter-spacing: .12em;
  }

  .sd-footer {
    padding: 58px 18px 110px;
  }

  .sd-footer__cols {
    gap: var(--sp-lg);
  }

  .sd-wa-bar {
    position: fixed;
    left: auto !important;
    right: 16px !important;
    bottom: calc(16px + env(safe-area-inset-bottom)) !important;
    z-index: 200;
    display: none !important;
    grid-template-columns: 1fr !important;
    place-items: center;
    width: 48px !important;
    max-width: 48px !important;
    height: 48px !important;
    max-height: 48px !important;
    min-height: 0 !important;
    padding: 0 !important;
    color: #fff;
    background: var(--wa);
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 999px;
    box-shadow: 0 12px 30px rgba(18,140,74,.28);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  body.wa-visible .sd-wa-bar {
    display: grid !important;
  }

  body.menu-lock.wa-visible .sd-wa-bar {
    display: none !important;
  }

  .sd-wa-bar .sd-wa-icon {
    width: 48px !important;
    height: 48px !important;
    max-width: 48px !important;
    max-height: 48px !important;
    padding: 12px !important;
    border-radius: 999px;
    background: transparent;
  }

  .sd-wa-bar .sd-wa-icon svg {
    width: 24px !important;
    height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
    display: block;
    fill: currentColor;
  }

  .sd-wa-bar__copy {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .sd-wa-bar > .sd-wa-bar__text,
  .sd-wa-bar > small {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    white-space: nowrap !important;
  }

  .sd-wa-bar__text {
    font-size: 14px;
    font-weight: 800;
  }

  .sd-wa-bar small {
    color: rgba(255,255,255,.82);
    font-size: 12px;
  }
}

@media (max-width: 430px) {
  :root {
    --sp-lg: 20px;
  }

  .sd-hero__content {
    padding-left: 14px;
    padding-right: 14px;
  }

  .sd-hero__h1 {
    font-size: clamp(31px, 9.2vw, 39px);
  }

  .sd-stat {
    flex-basis: 80%;
    padding: 16px;
  }

  .sd-assurance > div {
    flex-basis: 80%;
  }

  .sd-section,
  .sd-quote {
    padding-left: 14px;
    padding-right: 14px;
  }

  .sd-app-grid,
  .sd-colors__options {
    margin-inline: -14px;
    padding-left: 14px;
    padding-right: 14px;
  }

  .sd-colors__options {
    margin-inline: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .sd-app-grid a {
    flex-basis: 82%;
  }

  .sd-color-opt {
    width: 100%;
  }

  .sd-starter__arrow,
  .sd-reading-item__arrow {
    font-size: 22px;
  }
}

/* ------------------------------------------------------------
   Legacy service/article pages: Sert Zemin compatibility layer
   ------------------------------------------------------------ */
.ad-header {
  position: sticky;
  top: 0;
  z-index: 90;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
  padding: 14px var(--sp-xl);
  background: rgba(17,16,16,.94);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.ad-header > a {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.ad-header img {
  width: 154px;
  height: auto;
  border-radius: 8px;
  object-fit: contain;
}

.ad-header nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 1.8vw, 22px);
  min-width: 0;
}

.ad-header nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.ad-header nav a:hover {
  color: var(--text);
}

.ad-header .tel-link {
  color: var(--accent);
}

.ad-header .price-tool-link {
  min-height: 38px;
  padding: 0 13px;
  color: var(--accent-2);
  border: 1px solid var(--border-warm);
  border-radius: var(--r-sm);
  background: rgba(212,146,74,.08);
}

.ad-header .price-tool-link:hover {
  color: #17100b;
  background: var(--accent);
  border-color: var(--accent);
}

.ad-header .cta {
  padding: 0 16px;
  color: #17100b;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--r-sm);
}

.ad-header .cta:hover {
  color: #17100b;
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.ad-header + main {
  overflow: clip;
}

.ad-header + main .ad-hero {
  width: min(100%, 1440px);
  min-height: calc(92svh - var(--header-h));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .72fr);
  gap: var(--sp-2xl);
  align-items: center;
  padding: var(--sp-3xl) var(--sp-xl);
  border-bottom: 1px solid var(--border);
}

.ad-header + main .ad-copy {
  max-width: 780px;
}

.ad-header + main .kicker,
.doc-page .kicker {
  display: inline-block;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .22em;
  line-height: 1.4;
  text-transform: uppercase;
}

.ad-header + main .ad-copy h1,
.doc-page h1 {
  margin: var(--sp-md) 0 0;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(48px, 7vw, 92px);
  font-weight: 400;
  line-height: .96;
  letter-spacing: 0;
}

.ad-header + main .lead {
  max-width: 720px;
  margin-top: var(--sp-lg);
  color: var(--text-2);
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.58;
}

.ad-header + main .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
  margin-top: var(--sp-xl);
}

.ad-header + main .btn,
.doc-page .doc-back,
.footer-rich a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.ad-header + main .btn:active,
.doc-page .doc-back:active {
  transform: scale(.98);
}

.ad-header + main .btn.primary {
  color: #17100b;
  background: var(--accent);
  border-color: var(--accent);
}

.ad-header + main .btn.primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.ad-header + main .btn.secondary,
.doc-page .doc-back {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border-warm);
}

.ad-header + main .btn.secondary:hover,
.doc-page .doc-back:hover {
  color: var(--text);
  border-color: var(--accent);
}

.ad-header + main .hero-image {
  position: relative;
  margin: 0;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-1);
}

.ad-header + main .hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(17,16,16,.42), transparent 48%),
    linear-gradient(90deg, rgba(17,16,16,.2), transparent);
  pointer-events: none;
}

.ad-header + main .hero-image img,
.ad-header + main .gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(24%) contrast(1.04);
}

.ad-header + main .trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

.ad-header + main .trust > div {
  min-height: 112px;
  padding: var(--sp-lg) var(--sp-xl);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.ad-header + main .trust > div:last-child {
  border-right: 0;
}

.ad-header + main .trust strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.ad-header + main .trust span {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.4;
}

.ad-header + main .section,
.ad-header + main .quote,
.doc-page {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: var(--sp-3xl) var(--sp-xl);
}

.ad-header + main .split {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(280px, .68fr);
  gap: var(--sp-2xl);
  align-items: start;
  margin-bottom: var(--sp-xl);
}

.ad-header + main .split h2,
.ad-header + main .copy h2,
.doc-page h2 {
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.05;
}

.ad-header + main .split p,
.ad-header + main .copy p,
.doc-page p,
.doc-page li {
  color: var(--text-2);
  font-weight: 300;
}

.ad-header + main .split a,
.doc-page a:not(.doc-back) {
  color: var(--accent-2);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.ad-header + main .gallery {
  display: grid;
  grid-template-columns: 1.2fr .9fr .9fr;
  gap: var(--sp-md);
  margin: var(--sp-xl) 0;
}

.ad-header + main .gallery img {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-1);
}

.ad-header + main .benefits,
.ad-header + main .article-grid,
.ad-header + main .faq-list,
.ad-header + main .technical-list,
.ad-header + main .process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  background: var(--bg-1);
}

.ad-header + main .benefits article,
.ad-header + main .article-grid a,
.ad-header + main .faq-list article,
.ad-header + main .technical-list > div,
.ad-header + main .process-steps span {
  min-width: 0;
  padding: var(--sp-lg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(32,29,26,.62);
}

.ad-header + main .benefits article:nth-child(3n),
.ad-header + main .article-grid a:nth-child(3n),
.ad-header + main .faq-list article:nth-child(3n),
.ad-header + main .technical-list > div:nth-child(3n),
.ad-header + main .process-steps span:nth-child(3n) {
  border-right: 0;
}

.ad-header + main .benefits article:nth-last-child(-n+3),
.ad-header + main .article-grid a:nth-last-child(-n+3),
.ad-header + main .faq-list article:nth-last-child(-n+3),
.ad-header + main .technical-list > div:nth-last-child(-n+3),
.ad-header + main .process-steps span:nth-last-child(-n+3) {
  border-bottom: 0;
}

.ad-header + main .benefits span {
  display: block;
  margin-bottom: var(--sp-lg);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 44px;
  line-height: .9;
}

.ad-header + main .benefits h3,
.ad-header + main .article-grid strong,
.ad-header + main .faq-list strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.2;
}

.ad-header + main .benefits p,
.ad-header + main .article-grid p,
.ad-header + main .faq-list p {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.48;
}

.ad-header + main .article-grid a:hover {
  background: var(--accent-dim);
}

.ad-header + main .technical-panel,
.ad-header + main .process-band,
.ad-header + main .warranty-note,
.ad-header + main .seo-summary {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(212,146,74,.08), transparent 38%),
    var(--bg-2);
}

.ad-header + main .technical-list,
.ad-header + main .process-steps {
  grid-template-columns: repeat(2, 1fr);
}

.ad-header + main .technical-list > div,
.ad-header + main .process-steps span {
  color: var(--text-2);
  font-size: 15px;
}

.ad-header + main .process-band,
.ad-header + main .warranty-note {
  width: 100%;
  margin: 0;
  padding: var(--sp-3xl) max(var(--sp-xl), calc((100vw - 1440px) / 2 + var(--sp-xl)));
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(280px, .65fr);
  gap: var(--sp-2xl);
  align-items: center;
}

.ad-header + main .process-band h2 {
  margin-top: var(--sp-sm);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.2vw, 58px);
  font-weight: 400;
  line-height: 1.02;
}

.ad-header + main .process-band p {
  margin-top: var(--sp-md);
  color: var(--text-2);
}

.ad-header + main .warranty-note strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: clamp(64px, 10vw, 120px);
  line-height: .8;
}

.ad-header + main .warranty-note span {
  display: block;
  margin-top: var(--sp-sm);
  color: var(--text);
  font-size: 20px;
  font-weight: 500;
}

.ad-header + main .warranty-note p {
  color: var(--text-2);
}

.ad-header + main table {
  color: var(--text-2);
}

.ad-header + main th {
  color: var(--accent) !important;
  border-bottom-color: var(--border-warm) !important;
}

.ad-header + main td {
  color: var(--text-2);
  border-bottom-color: var(--border) !important;
}

.ad-header + main .quote {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1fr);
  gap: var(--sp-3xl);
  align-items: start;
  border-top: 1px solid var(--border);
}

.ad-header + main .quote .copy {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-xl));
}

.ad-header + main form[data-quote-form] {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-md);
  padding: var(--sp-lg);
  border: 1px solid var(--border);
  background: var(--bg-1);
}

.ad-header + main form[data-quote-form] label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.ad-header + main form[data-quote-form] label.wide,
.ad-header + main form[data-quote-form] .wide {
  grid-column: 1 / -1;
}

.ad-header + main form[data-quote-form] label span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.ad-header + main form[data-quote-form] input,
.ad-header + main form[data-quote-form] select,
.ad-header + main form[data-quote-form] textarea {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 15px;
  outline: none;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.ad-header + main form[data-quote-form] textarea {
  min-height: 118px;
  resize: vertical;
}

.ad-header + main form[data-quote-form] input::placeholder,
.ad-header + main form[data-quote-form] textarea::placeholder {
  color: var(--text-3);
}

.ad-header + main form[data-quote-form] input:focus,
.ad-header + main form[data-quote-form] select:focus,
.ad-header + main form[data-quote-form] textarea:focus {
  border-color: var(--border-focus);
  background: var(--bg-2);
}

.ad-header + main form[data-quote-form] button {
  cursor: pointer;
}

.footer-rich {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) repeat(3, minmax(0, 1fr));
  gap: var(--sp-lg);
  padding: var(--sp-2xl) var(--sp-xl);
  border-top: 1px solid var(--border);
  background: #0d0c0b;
}

.footer-rich > div {
  min-width: 0;
  color: var(--text-2);
  font-size: 14px;
}

.footer-rich strong {
  display: block;
  color: var(--text);
  font-size: 18px;
  letter-spacing: .08em;
}

.footer-rich span {
  display: block;
  margin-top: 6px;
}

.footer-rich a {
  min-height: 0;
  justify-content: flex-start;
  width: fit-content;
  padding: 4px 0;
  border: 0;
  border-radius: 0;
  color: var(--text-2);
  font-size: 14px;
  letter-spacing: 0;
}

.footer-rich a:hover {
  color: var(--accent);
}

.doc-page {
  max-width: 920px;
  min-height: 70svh;
  padding-top: var(--sp-3xl);
}

.doc-page h1 {
  font-size: clamp(42px, 7vw, 74px);
}

.doc-page h2 {
  margin-top: var(--sp-xl);
  font-size: clamp(24px, 3vw, 36px);
}

.doc-page p,
.doc-page ul {
  margin-top: var(--sp-md);
}

.doc-page .doc-back {
  width: fit-content;
  margin-top: var(--sp-xl);
}

.sd-home-references {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sd-home-references__inner {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(360px, 1fr);
  gap: var(--sp-2xl);
  align-items: center;
}

.sd-home-references__copy h2 {
  margin-top: var(--sp-sm);
}

.sd-home-references__copy p {
  max-width: 690px;
  margin: var(--sp-md) 0 var(--sp-xl);
}

.sd-home-references__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
}

.sd-home-references__list span {
  min-height: 86px;
  display: flex;
  align-items: center;
  padding: var(--sp-md);
  color: var(--text);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  line-height: 1.35;
  text-transform: uppercase;
  background: rgba(24,22,20,.52);
}

.sd-home-references__list span:nth-child(2n) {
  border-right: 0;
}

.sd-references-page {
  background:
    linear-gradient(90deg, rgba(255,245,235,.018) 1px, transparent 1px) 0 0 / 72px 72px,
    radial-gradient(circle at 12% 6%, rgba(212,146,74,.08), transparent 34vw),
    radial-gradient(circle at 82% 28%, rgba(92,24,48,.16), transparent 28vw),
    var(--bg);
}

.sd-reference-hero {
  position: relative;
  min-height: min(840px, 100svh);
  padding: calc(var(--header-h) + var(--sp-3xl)) var(--sp-xl) var(--sp-2xl);
  display: flex;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  isolation: isolate;
}

.sd-reference-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(17,16,16,.98), rgba(17,16,16,.78) 44%, rgba(17,16,16,.52)),
    linear-gradient(0deg, rgba(17,16,16,.96), rgba(17,16,16,.26) 45%, rgba(17,16,16,.8));
}

.sd-reference-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.sd-reference-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .36;
  filter: grayscale(35%) contrast(1.08);
  transform: scale(1.03);
}

.sd-reference-hero__inner {
  width: min(100%, 1440px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 520px);
  gap: var(--sp-2xl);
  align-items: end;
}

.sd-reference-hero__copy h1 {
  max-width: 1060px;
  margin-top: var(--sp-md);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: clamp(48px, 6.7vw, 96px);
  font-weight: 400;
  line-height: .98;
}

.sd-reference-hero__copy p {
  max-width: 760px;
  margin-top: var(--sp-lg);
  color: var(--text-2);
  font-size: clamp(16px, 1.5vw, 20px);
}

.reference-title-mobile,
.reference-copy-mobile {
  display: none;
}

.sd-reference-stats {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--border-warm);
  background: rgba(17,16,16,.64);
}

.sd-reference-stats div {
  min-height: 116px;
  padding: var(--sp-lg);
  border-bottom: 1px solid var(--border);
}

.sd-reference-stats div:last-child {
  border-bottom: 0;
}

.sd-reference-stats strong {
  display: block;
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 500;
  line-height: .9;
}

.sd-reference-stats span {
  display: block;
  margin-top: var(--sp-sm);
  color: var(--text-2);
  font-size: 14px;
}

.sd-reference-intro {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(420px, 1fr);
  gap: var(--sp-3xl);
  align-items: center;
}

.sd-reference-intro__copy h2 {
  margin-top: var(--sp-sm);
}

.sd-reference-intro__copy p {
  max-width: 720px;
  margin-top: var(--sp-md);
}

.sd-reference-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}

.sd-reference-mosaic img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border: 1px solid var(--border);
  filter: grayscale(24%) contrast(1.04);
}

.sd-reference-mosaic img:first-child {
  grid-row: span 2;
  height: 440px;
}

.sd-reference-group {
  margin-top: var(--sp-2xl);
  display: grid;
  grid-template-columns: minmax(260px, .36fr) minmax(0, 1fr);
  gap: var(--sp-xl);
  align-items: start;
  border-top: 1px solid var(--border);
  padding-top: var(--sp-xl);
}

.sd-reference-group__head {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-xl));
}

.sd-reference-group__head > span {
  display: block;
  color: rgba(220,190,140,.16);
  font-family: var(--font-mono);
  font-size: clamp(58px, 7vw, 94px);
  font-weight: 500;
  line-height: .85;
}

.sd-reference-group__head h3 {
  margin-top: var(--sp-md);
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 400;
}

.sd-reference-group__head p {
  margin-top: var(--sp-md);
}

.sd-reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
}

.sd-reference-card {
  position: relative;
  min-height: 188px;
  padding: var(--sp-lg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(24,22,20,.58);
  overflow: hidden;
  transition: background var(--t-med), border-color var(--t-med), transform var(--t-med);
}

.sd-reference-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--sp-lg);
  width: 54px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: .78;
}

.sd-reference-card:nth-child(2n) {
  border-right: 0;
}

.sd-reference-card:hover {
  background: var(--bg-2);
  border-bottom-color: var(--border-warm);
  transform: translateY(-2px);
}

.sd-reference-card__visual {
  width: min(100%, 220px);
  height: 72px;
  margin-bottom: var(--sp-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  color: #123c36;
  border: 1px solid rgba(220,190,140,.28);
  border-radius: var(--r-sm);
  background:
    linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,232,221,.9));
}

.sd-reference-card__visual img {
  width: auto;
  max-width: 100%;
  max-height: 46px;
  object-fit: contain;
}

.sd-reference-card__visual--text {
  justify-content: flex-start;
  color: var(--accent-2);
  background:
    linear-gradient(135deg, rgba(212,146,74,.15), transparent 62%),
    rgba(17,16,16,.62);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: .12em;
}

.sd-reference-card span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.sd-reference-card h4 {
  margin: var(--sp-md) 0 0;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(18px, 1.8vw, 23px);
  font-weight: 500;
  line-height: 1.16;
}

.sd-reference-card p {
  margin-top: var(--sp-md);
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.55;
}

.sd-reference-lessons {
  border-top: 1px solid var(--border);
}

.sd-reference-lessons__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--border);
}

.sd-reference-lessons__grid article {
  min-height: 260px;
  padding: var(--sp-lg);
  border-right: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(212,146,74,.08), transparent 42%),
    var(--bg-1);
}

.sd-reference-lessons__grid article:last-child {
  border-right: 0;
}

.sd-reference-lessons__grid span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 30px;
}

.sd-reference-lessons__grid h3 {
  margin-top: var(--sp-lg);
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
}

.sd-reference-lessons__grid p {
  margin-top: var(--sp-md);
  font-size: 14px;
}

.sd-reference-cta {
  width: min(100%, 1440px);
  margin: 0 auto var(--sp-3xl);
  padding: var(--sp-2xl) var(--sp-xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--sp-xl);
  align-items: end;
  border: 1px solid var(--border-warm);
  background:
    linear-gradient(135deg, rgba(212,146,74,.13), transparent 42%),
    linear-gradient(90deg, rgba(7,59,52,.52), transparent 58%),
    var(--bg-2);
}

.sd-reference-cta h2 {
  max-width: 920px;
  margin-top: var(--sp-sm);
}

.sd-reference-cta p {
  max-width: 720px;
  margin-top: var(--sp-md);
}

@media (max-width: 980px) {
  .ad-header {
    position: sticky;
    min-height: auto;
    padding: 12px 16px;
    align-items: center;
    overflow: hidden;
  }

  .ad-header img {
    width: 126px;
    border-radius: 8px;
  }

  .ad-header nav {
    flex: 0 0 auto;
    margin-left: auto;
    flex-wrap: wrap;
    gap: 8px 12px;
  }

  .ad-header nav a {
    min-height: 34px;
    font-size: 9px;
    letter-spacing: .1em;
  }

  .ad-header nav a:not(.cta),
  .ad-header .desktop-home,
  .ad-header .tel-link {
    display: none;
  }

  .ad-header .cta {
    display: inline-flex !important;
    position: absolute;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
    min-height: 42px;
    padding: 0 12px;
  }

  .ad-header + main .ad-hero,
  .ad-header + main .split,
  .ad-header + main .process-band,
  .ad-header + main .warranty-note,
  .ad-header + main .quote {
    grid-template-columns: 1fr;
    gap: var(--sp-xl);
  }

  .ad-header + main .ad-hero {
    min-height: auto;
    padding: 52px 18px;
  }

  .ad-header + main .ad-copy h1 {
    font-size: clamp(42px, 11vw, 64px);
  }

  .ad-header + main .hero-image {
    min-height: 300px;
  }

  .ad-header + main .trust {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .ad-header + main .trust::-webkit-scrollbar {
    display: none;
  }

  .ad-header + main .trust > div {
    flex: 0 0 82%;
    scroll-snap-align: start;
  }

  .ad-header + main .section,
  .ad-header + main .quote,
  .doc-page {
    padding: 56px 18px;
  }

  .ad-header + main .quote .copy {
    position: static;
  }

  .ad-header + main .gallery,
  .ad-header + main .benefits,
  .ad-header + main .article-grid,
  .ad-header + main .faq-list,
  .ad-header + main .technical-list,
  .ad-header + main .process-steps,
  .footer-rich {
    grid-template-columns: 1fr;
  }

  .ad-header + main .gallery {
    display: flex;
    gap: 12px;
    margin-inline: -18px;
    padding: 0 18px 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .ad-header + main .gallery::-webkit-scrollbar {
    display: none;
  }

  .ad-header + main .gallery img {
    flex: 0 0 86%;
    height: auto;
    scroll-snap-align: start;
  }

  .ad-header + main .benefits article,
  .ad-header + main .article-grid a,
  .ad-header + main .faq-list article,
  .ad-header + main .technical-list > div,
  .ad-header + main .process-steps span {
    border-right: 0;
  }

  .ad-header + main .benefits article:nth-last-child(-n+3),
  .ad-header + main .article-grid a:nth-last-child(-n+3),
  .ad-header + main .faq-list article:nth-last-child(-n+3),
  .ad-header + main .technical-list > div:nth-last-child(-n+3),
  .ad-header + main .process-steps span:nth-last-child(-n+3) {
    border-bottom: 1px solid var(--border);
  }

  .ad-header + main .benefits article:last-child,
  .ad-header + main .article-grid a:last-child,
  .ad-header + main .faq-list article:last-child,
  .ad-header + main .technical-list > div:last-child,
  .ad-header + main .process-steps span:last-child {
    border-bottom: 0;
  }

  .ad-header + main form[data-quote-form] {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .ad-header + main form[data-quote-form] input,
  .ad-header + main form[data-quote-form] select,
  .ad-header + main form[data-quote-form] textarea {
    min-height: 56px;
    font-size: 16px;
  }

  .footer-rich {
    padding: 52px 18px 110px;
  }

  .sd-home-references__inner,
  .sd-reference-hero__inner,
  .sd-reference-intro,
  .sd-reference-group,
  .sd-reference-cta {
    grid-template-columns: 1fr;
  }

  .sd-reference-group__head {
    position: static;
  }

  .sd-reference-lessons__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sd-reference-lessons__grid article:nth-child(2n) {
    border-right: 0;
  }

  .sd-reference-lessons__grid article:nth-child(-n+2) {
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 430px) {
  .ad-header {
    padding-inline: 12px;
  }

  .ad-header .cta {
    right: 12px;
  }

  .ad-header nav {
    justify-content: flex-end;
  }

  .ad-header nav a:not(.cta) {
    display: none;
  }

  .ad-header + main .ad-hero,
  .ad-header + main .section,
  .ad-header + main .quote,
  .doc-page {
    padding-left: 14px;
    padding-right: 14px;
  }

  .ad-header + main .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .ad-header + main .btn,
  .doc-page .doc-back {
    min-height: 56px;
  }

  .sd-home-references__list,
  .sd-reference-grid,
  .sd-reference-lessons__grid {
    grid-template-columns: 1fr;
  }

  .sd-home-references__list span,
  .sd-reference-card,
  .sd-reference-lessons__grid article {
    border-right: 0;
  }

  .sd-home-references__inner {
    gap: var(--sp-xl);
  }

  .sd-reference-hero {
    min-height: auto;
    padding: calc(var(--header-h) + 34px) 14px 42px;
    align-items: start;
  }

  .sd-reference-hero::after {
    background:
      linear-gradient(0deg, rgba(17,16,16,.98), rgba(17,16,16,.7) 48%, rgba(17,16,16,.9)),
      linear-gradient(90deg, rgba(17,16,16,.98), rgba(17,16,16,.56));
  }

  .reference-title-desktop,
  .reference-copy-desktop {
    display: none;
  }

  .reference-title-mobile,
  .reference-copy-mobile {
    display: inline;
  }

  .sd-reference-hero__copy h1 {
    max-width: 9.5ch;
    font-size: clamp(36px, 10.4vw, 48px);
    line-height: 1;
  }

  .sd-reference-hero__copy p {
    max-width: 34ch;
    font-size: 15px;
    line-height: 1.55;
  }

  .sd-reference-hero .sd-hero__actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 24px;
  }

  .sd-reference-hero .sd-btn {
    width: 100%;
  }

  .sd-reference-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-color: rgba(220,190,140,.16);
    background: rgba(17,16,16,.5);
  }

  .sd-reference-stats div {
    min-height: 82px;
    padding: 14px 12px;
    border-right: 1px solid var(--border);
    border-bottom: 0;
  }

  .sd-reference-stats div:last-child {
    border-right: 0;
  }

  .sd-reference-stats strong {
    font-size: clamp(26px, 8vw, 36px);
  }

  .sd-reference-stats span {
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.25;
  }

  .sd-reference-intro {
    gap: var(--sp-xl);
  }

  .sd-reference-mosaic {
    display: flex;
    gap: 12px;
    margin-inline: -14px;
    padding: 0 14px 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .sd-reference-mosaic::-webkit-scrollbar {
    display: none;
  }

  .sd-reference-mosaic img,
  .sd-reference-mosaic img:first-child {
    flex: 0 0 84%;
    width: 84%;
    height: 190px;
    min-height: 0;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    object-position: center;
    scroll-snap-align: start;
  }

  .sd-reference-mosaic img:first-child {
    object-position: center 48%;
  }

  .sd-reference-group {
    margin-top: 56px;
    padding-top: 34px;
  }

  .sd-reference-card {
    min-height: auto;
    padding: 18px;
  }

  .sd-reference-card__visual {
    width: 100%;
    height: 64px;
    margin-bottom: 16px;
  }

  .sd-reference-lessons__grid article {
    min-height: auto;
    padding: 20px 18px;
    border-bottom: 1px solid var(--border);
  }

  .sd-reference-lessons__grid article:last-child {
    border-bottom: 0;
  }

  .sd-reference-cta {
    margin-inline: 14px;
    width: auto;
    padding: 34px 18px;
  }

  .sd-reference-cta .sd-btn {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .sd-reference-hero {
    min-height: auto;
    padding: calc(var(--header-h) + 34px) 18px 42px;
    align-items: start;
  }

  .sd-reference-hero::after {
    background:
      linear-gradient(0deg, rgba(17,16,16,.98), rgba(17,16,16,.7) 48%, rgba(17,16,16,.9)),
      linear-gradient(90deg, rgba(17,16,16,.98), rgba(17,16,16,.56));
  }

  .reference-title-desktop,
  .reference-copy-desktop {
    display: none;
  }

  .reference-title-mobile,
  .reference-copy-mobile {
    display: inline;
  }

  .sd-reference-hero__copy h1 {
    max-width: 9.5ch;
    font-size: clamp(36px, 10.4vw, 48px);
    line-height: 1;
  }

  .sd-reference-hero__copy p {
    max-width: 34ch;
    font-size: 15px;
    line-height: 1.55;
  }

  .sd-reference-hero .sd-hero__actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 24px;
  }

  .sd-reference-hero .sd-btn {
    width: 100%;
  }

  .sd-reference-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-color: rgba(220,190,140,.16);
    background: rgba(17,16,16,.5);
  }

  .sd-reference-stats div {
    min-height: 82px;
    padding: 14px 12px;
    border-right: 1px solid var(--border);
    border-bottom: 0;
  }

  .sd-reference-stats div:last-child {
    border-right: 0;
  }

  .sd-reference-stats strong {
    font-size: clamp(26px, 8vw, 36px);
  }

  .sd-reference-stats span {
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.25;
  }

  .sd-reference-mosaic {
    display: flex;
    gap: 12px;
    margin-inline: -18px;
    padding: 0 18px 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .sd-reference-mosaic img,
  .sd-reference-mosaic img:first-child {
    flex: 0 0 84%;
    width: 84%;
    height: 190px;
    min-height: 0;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    object-position: center;
    scroll-snap-align: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .sd-hero__video {
    display: none !important;
  }
}