:root {
  --ink: #181513;
  --ink-soft: #322d29;
  --paper: #fbf8f3;
  --cream: #f1e9dd;
  --sand: #d8c8b6;
  --red: #941f2a;
  --red-dark: #5f1018;
  --gold: #b49462;
  --muted: #726a62;
  --line: rgba(24, 21, 19, 0.14);
  --white: #fff;
  --shadow: 0 22px 60px rgba(44, 28, 22, 0.12);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --container: 1220px;
  --radius: 4px;
  --header-height: 78px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

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

button {
  color: inherit;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(3.25rem, 5.4vw, 5.1rem);
  text-wrap: balance;
}

h2 {
  font-size: clamp(2.2rem, 4.2vw, 4rem);
  text-wrap: balance;
}

h3 {
  font-size: clamp(1.55rem, 2.5vw, 2.25rem);
}

p {
  color: var(--muted);
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

::selection {
  color: var(--white);
  background: var(--red);
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 112px 0;
}

.section-sm {
  padding: 76px 0;
}

.section-dark {
  color: var(--white);
  background: var(--ink);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.68);
}

.section-cream {
  background: var(--cream);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--red);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 1px;
  background: currentColor;
  content: "";
}

.section-dark .eyebrow {
  color: #d9bd86;
}

.lede {
  max-width: 760px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.1vw, 1.72rem);
  line-height: 1.48;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 54px;
}

.section-heading h2 {
  max-width: 780px;
  margin-bottom: 0;
}

.section-heading p {
  max-width: 460px;
  margin: 0 0 6px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(251, 248, 243, 0.92);
  backdrop-filter: blur(16px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(24, 21, 19, 0.05);
}

.header-inner {
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--red);
  border-radius: 50%;
  color: var(--red);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-name {
  font-family: var(--serif);
  font-size: 1.42rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.brand-sub {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 34px);
}

.site-nav a {
  position: relative;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-nav a:not(.btn)::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--red);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  display: block;
  width: 18px;
  height: 1px;
  margin: 4px auto;
  background: currentColor;
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-open .nav-toggle span {
  opacity: 0;
}

.menu-open .nav-toggle::before {
  transform: translateY(5px) rotate(45deg);
}

.menu-open .nav-toggle::after {
  transform: translateY(-5px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn::after {
  font-size: 1rem;
  content: "\2192";
}

.btn:hover {
  color: var(--white);
  background: var(--ink);
}

.btn-primary {
  color: var(--white);
  border-color: var(--red);
  background: var(--red);
}

.btn-primary:hover {
  border-color: var(--red-dark);
  background: var(--red-dark);
}

.btn-light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-light:hover {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.btn-small {
  min-height: 42px;
  padding: 10px 18px;
  font-size: 0.68rem;
}

.hero {
  overflow: hidden;
  background: var(--cream);
}

.hero-grid {
  display: grid;
  min-height: calc(100svh - var(--header-height));
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
}

.hero-content {
  display: flex;
  padding: clamp(64px, 8vw, 104px) clamp(32px, 4vw, 58px) clamp(64px, 8vw, 100px) max(24px, calc((100vw - var(--container)) / 2));
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.hero h1 {
  max-width: 750px;
  margin-bottom: 28px;
}

.hero h1 em {
  color: var(--red);
  font-weight: inherit;
}

.hero .lede {
  max-width: 630px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 26px;
  padding: 22px 0 0;
  border-top: 1px solid rgba(24, 21, 19, 0.17);
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-proof span::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--red);
  content: "";
}

.hero-media {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  background: #d8cdbf;
}

.hero-media img {
  height: 100%;
  object-fit: cover;
  object-position: center 43%;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(18, 13, 11, 0.34));
  content: "";
  pointer-events: none;
}

.hero-note {
  position: absolute;
  right: 28px;
  bottom: 28px;
  z-index: 1;
  max-width: 260px;
  padding: 20px 22px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(18, 15, 13, 0.34);
  backdrop-filter: blur(14px);
}

.hero-note strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
}

.hero-note span {
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.category-card {
  position: relative;
  min-height: 580px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.category-card img {
  height: 100%;
  object-fit: cover;
  transition: transform 650ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.category-card:hover img {
  transform: scale(1.035);
}

.category-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 12, 10, 0.04) 28%, rgba(15, 12, 10, 0.86) 100%);
  content: "";
}

.category-card-content {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  padding: 30px;
}

.category-card-index {
  display: block;
  margin-bottom: 60px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.category-card h3 {
  margin-bottom: 10px;
  font-size: clamp(1.9rem, 3vw, 2.7rem);
}

.category-card p {
  max-width: 320px;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.text-link::after {
  font-size: 1rem;
  content: "\2192";
  transition: transform 180ms ease;
}

.text-link:hover::after {
  transform: translateX(5px);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.value-card {
  min-height: 250px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.value-card-number {
  display: block;
  margin-bottom: 60px;
  color: var(--red);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.section-dark .value-card-number {
  color: #d9bd86;
}

.value-card h3 {
  margin-bottom: 14px;
  font-size: 1.5rem;
}

.value-card p {
  margin-bottom: 0;
  font-size: 0.88rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(44px, 7vw, 100px);
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.split.reverse > :first-child {
  order: 2;
}

.split-image {
  position: relative;
}

.split-image img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.split-image.landscape img {
  aspect-ratio: 5 / 4;
}

.image-caption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.split-copy h2 {
  margin-bottom: 26px;
}

.split-copy p {
  max-width: 580px;
  margin-bottom: 24px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 38px 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.metric {
  padding: 26px;
  background: var(--paper);
}

.section-dark .metric {
  background: var(--ink);
}

.metric strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 500;
  line-height: 1;
}

.metric span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-dark .metric span {
  color: rgba(255, 255, 255, 0.58);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.process-step {
  min-height: 280px;
  padding: 32px;
  background: var(--ink);
}

.process-step span {
  display: block;
  margin-bottom: 70px;
  color: #d8bd8b;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.process-step h3 {
  margin-bottom: 14px;
  font-size: 1.55rem;
}

.process-step p {
  margin: 0;
  font-size: 0.86rem;
}

.cert-row {
  display: grid;
  grid-template-columns: 1fr 2.25fr;
  gap: 50px;
  align-items: start;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.cert-row:last-child {
  border-bottom: 1px solid var(--line);
}

.cert-row h3 {
  margin: 0;
  font-size: 1.45rem;
}

.cert-row p {
  max-width: 740px;
  margin: 0;
  font-size: 0.9rem;
}

.cta-band {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--red);
}

.cta-band::after {
  position: absolute;
  top: -40%;
  right: -4%;
  width: min(46vw, 640px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  content: "";
}

.cta-band-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  padding: 78px 0;
  align-items: center;
}

.cta-band h2 {
  max-width: 780px;
  margin: 0;
}

.page-hero {
  padding: clamp(80px, 10vw, 145px) 0 75px;
  border-bottom: 1px solid var(--line);
  background: var(--cream);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  gap: 60px;
  align-items: end;
}

.page-hero h1 {
  max-width: 980px;
  margin: 0;
}

.page-hero p {
  max-width: 430px;
  margin: 0 0 8px;
  color: var(--ink-soft);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  color: #5d5851;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.breadcrumbs a::after {
  margin-left: 8px;
  content: "/";
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 80px;
}

.intro-grid h2 {
  margin-bottom: 0;
}

.intro-grid p {
  margin: 4px 0 20px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  line-height: 1.5;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-card {
  display: flex;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--white);
}

.product-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 4.6;
  background:
    radial-gradient(circle at 70% 18%, rgba(255, 255, 255, 0.7), transparent 24%),
    linear-gradient(145deg, #f0e7dc 0%, #d8c6b2 100%);
}

.product-card-image img {
  height: 100%;
  object-fit: cover;
  opacity: 0;
}

.product-card-image::before {
  position: absolute;
  top: 22%;
  left: 50%;
  width: 30%;
  height: 54%;
  border: 1px solid rgba(24, 21, 19, 0.14);
  border-radius: 42% 42% 10% 10%;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(184, 156, 121, 0.32));
  box-shadow: 0 24px 38px rgba(54, 37, 27, 0.18);
  content: "";
  transform: translateX(-50%);
}

.product-card-image::after {
  position: absolute;
  right: 18px;
  bottom: 16px;
  color: rgba(24, 21, 19, 0.48);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  content: "KAIYI / DEVELOPMENT";
}

.product-card:nth-child(2n) .product-card-image {
  background:
    radial-gradient(circle at 28% 20%, rgba(255, 255, 255, 0.6), transparent 25%),
    linear-gradient(145deg, #e0e6e2 0%, #b8c6bf 100%);
}

.product-card:nth-child(2n) .product-card-image::before {
  width: 38%;
  border-radius: 12% 12% 8% 8%;
}

.product-card:nth-child(3n) .product-card-image {
  background:
    radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.45), transparent 23%),
    linear-gradient(145deg, #6f1721 0%, #1d1715 100%);
}

.product-card:nth-child(3n) .product-card-image::before {
  width: 24%;
  height: 61%;
  border-radius: 48% 48% 8% 8%;
  background: linear-gradient(145deg, rgba(221, 189, 139, 0.94), rgba(119, 78, 45, 0.48));
}

.product-card:nth-child(3n) .product-card-image::after {
  color: rgba(255, 255, 255, 0.55);
}

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1;
  padding: 7px 10px;
  color: var(--ink);
  background: rgba(251, 248, 243, 0.88);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.product-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px;
}

.product-card h3 {
  margin-bottom: 10px;
  font-size: 1.55rem;
}

.product-card p {
  flex: 1;
  margin-bottom: 20px;
  font-size: 0.87rem;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.product-meta span {
  padding: 5px 9px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.61rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.section-dark .product-meta span {
  color: rgba(255, 255, 255, 0.62);
  border-color: rgba(255, 255, 255, 0.18);
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 48px 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-strip div {
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-strip strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 500;
}

.feature-strip span {
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.info-card {
  padding: 34px;
  border: 1px solid var(--line);
}

.info-card span {
  display: block;
  margin-bottom: 50px;
  color: var(--red);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.info-card h3 {
  margin-bottom: 14px;
  font-size: 1.45rem;
}

.info-card p {
  margin: 0;
  font-size: 0.88rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}

.spec-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--paper);
}

.spec-table th,
.spec-table td {
  padding: 22px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.spec-table th:last-child,
.spec-table td:last-child {
  border-right: 0;
}

.spec-table th {
  width: 25%;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-table td {
  color: var(--muted);
  font-size: 0.88rem;
}

.note {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.76rem;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  display: flex;
  padding: 26px 0;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--serif);
  font-size: 1.3rem;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  font-family: var(--sans);
  font-size: 1.5rem;
  font-weight: 300;
  content: "+";
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item p {
  max-width: 780px;
  padding: 0 0 26px;
  margin: 0;
  font-size: 0.92rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(50px, 8vw, 110px);
}

.contact-aside h2 {
  margin-bottom: 24px;
}

.contact-list {
  display: grid;
  gap: 22px;
  margin: 40px 0;
}

.contact-item {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.contact-item span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-item a,
.contact-item strong {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
}

.contact-item a:hover {
  color: var(--red);
}

.inquiry-form {
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.form-intro {
  margin-bottom: 30px;
}

.form-intro h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.field {
  display: grid;
  gap: 7px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 0;
  border: 0;
  border-bottom: 1px solid rgba(24, 21, 19, 0.25);
  border-radius: 0;
  color: var(--ink);
  background: transparent;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-bottom-color: var(--red);
  outline: none;
}

.form-consent {
  display: flex;
  gap: 10px;
  margin: 24px 0;
  align-items: flex-start;
  color: var(--muted);
  font-size: 0.74rem;
}

.form-consent input {
  margin-top: 4px;
}

.form-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.form-note {
  max-width: 400px;
  margin: 0;
  font-size: 0.7rem;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.legal {
  max-width: 820px;
  margin: 0 auto;
}

.legal h2 {
  margin: 38px 0 14px;
  font-size: 2rem;
}

.legal p,
.legal li {
  color: var(--muted);
}

.legal ul {
  padding-left: 22px;
}

.success-panel {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(40px, 8vw, 90px);
  border: 1px solid var(--line);
  text-align: center;
  background: var(--white);
  box-shadow: var(--shadow);
}

.success-panel h1 {
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
}

.site-footer {
  padding: 76px 0 24px;
  color: var(--white);
  background: #12100f;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 0.55fr);
  gap: 54px;
  padding-bottom: 64px;
}

.footer-brand p {
  max-width: 370px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: 0.82rem;
}

.footer-col h3 {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--sans);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-col a,
.footer-col span {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.8rem;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a:hover {
  color: var(--white);
}

.reveal {
  opacity: 1;
  transform: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .site-nav {
    gap: 16px;
  }

  .site-nav a {
    font-size: 0.76rem;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding: 82px 24px;
  }

  .hero-media {
    min-height: 68vw;
  }

  .category-card {
    min-height: 490px;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1.5fr repeat(2, 0.75fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 70px;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .section {
    padding: 82px 0;
  }

  .section-sm {
    padding: 60px 0;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    padding: 42px 24px;
    align-items: flex-start;
    flex-direction: column;
    gap: 26px;
    background: var(--paper);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

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

  .site-nav a {
    font-family: var(--serif);
    font-size: 1.65rem;
  }

  .site-nav .btn {
    margin-top: 8px;
    font-family: var(--sans);
    font-size: 0.72rem;
  }

  .section-heading,
  .page-hero-grid,
  .intro-grid,
  .split,
  .split.reverse,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .split.reverse > :first-child {
    order: initial;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .category-card {
    min-height: 520px;
  }

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

  .info-grid {
    grid-template-columns: 1fr;
  }

  .cert-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cta-band-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: clamp(2.9rem, 14vw, 4.1rem);
  }

  .hero-content {
    padding: 64px 18px 54px;
  }

  .hero-media {
    min-height: 115vw;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-proof {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .value-grid,
  .product-grid,
  .process-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .value-card,
  .process-step {
    min-height: auto;
  }

  .value-card-number,
  .process-step span {
    margin-bottom: 34px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .field-full {
    grid-column: auto;
  }

  .form-footer .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}