:root {
  --ink: #101410;
  --paper: #f3f0e7;
  --paper-2: #e3dfd2;
  --field: #24291f;
  --field-2: #343a2e;
  --moss: #66745d;
  --oxide: #b15326;
  --amber: #d59a45;
  --steel: #9fa7a5;
  --line: rgba(16, 20, 16, 0.16);
  --white-line: rgba(255, 255, 255, 0.2);
  --shadow: 0 34px 90px rgba(16, 20, 16, 0.22);
  --display: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  --body: "Avenir Next", "Helvetica Neue", Helvetica, sans-serif;
  --mono: "DIN Condensed", "Avenir Next Condensed", Impact, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(16, 20, 16, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 20, 16, 0.035) 1px, transparent 1px);
  background-size: 36px 36px;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto;
  gap: 28px;
  align-items: center;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 58px);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, rgba(9, 12, 10, 0.8), rgba(9, 12, 10, 0.12));
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(243, 240, 231, 0.92);
  border-color: rgba(16, 20, 16, 0.14);
  backdrop-filter: blur(16px);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 42px;
  flex: 0 0 auto;
  border: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 16px;
}

.brand strong,
.brand em {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-family: var(--display);
  font-size: clamp(17px, 1.6vw, 22px);
  font-weight: 600;
}

.brand em {
  max-width: 440px;
  margin-top: 4px;
  overflow: hidden;
  color: currentColor;
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.08em;
  opacity: 0.7;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a {
  opacity: 0.78;
}

.nav-links a:hover {
  opacity: 1;
}

.header-cta {
  padding: 12px 16px;
  color: #fff;
  background: var(--oxide);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-tools {
  display: flex;
  gap: 10px;
  align-items: center;
}

.language-menu {
  position: relative;
}

.language-menu summary {
  display: grid;
  place-items: center;
  min-width: 48px;
  height: 45px;
  padding: 0 12px;
  border: 1px solid currentColor;
  cursor: pointer;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  list-style: none;
  text-transform: uppercase;
}

.language-menu summary::-webkit-details-marker {
  display: none;
}

.language-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: repeat(2, minmax(118px, 1fr));
  width: 300px;
  padding: 10px;
  border: 1px solid rgba(16, 20, 16, 0.18);
  background: rgba(243, 240, 231, 0.98);
  color: var(--ink);
  box-shadow: 0 22px 60px rgba(16, 20, 16, 0.22);
}

.language-panel a {
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 700;
  color: rgba(16, 20, 16, 0.74);
}

.language-panel a:hover,
.language-panel a[aria-current="true"] {
  color: var(--ink);
  background: rgba(177, 83, 38, 0.12);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  overflow: hidden;
  color: #fff;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 56% center;
  filter: saturate(0.88) contrast(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 10, 8, 0.88) 0%, rgba(7, 10, 8, 0.58) 31%, rgba(7, 10, 8, 0.13) 72%),
    linear-gradient(180deg, rgba(7, 10, 8, 0.62) 0%, rgba(7, 10, 8, 0.1) 42%, rgba(7, 10, 8, 0.72) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 36px));
  margin: 0 0 clamp(80px, 13vh, 150px) clamp(18px, 6vw, 92px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--oxide);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  max-width: 680px;
  font-size: clamp(48px, 7vw, 108px);
  line-height: 0.92;
}

.hero-copy {
  max-width: 620px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.button.primary {
  border-color: var(--oxide);
  background: var(--oxide);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.hero-panel {
  position: absolute;
  right: clamp(18px, 4vw, 58px);
  bottom: clamp(24px, 5vh, 58px);
  z-index: 2;
  width: min(430px, calc(100% - 36px));
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(12, 16, 13, 0.54);
  backdrop-filter: blur(18px);
}

.panel-kicker {
  display: block;
  margin-bottom: 12px;
  color: var(--amber);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 500;
  line-height: 1.12;
}

.hero-panel p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.56;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--field);
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-strip div {
  min-height: 178px;
  padding: 34px clamp(22px, 4vw, 58px);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-strip div:last-child {
  border-right: 0;
}

.signal-strip span {
  display: block;
  margin-bottom: 28px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 22px;
}

.signal-strip strong {
  display: block;
  font-family: var(--display);
  font-size: 30px;
  font-weight: 500;
}

.signal-strip p {
  max-width: 360px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.55;
}

.intro-band,
.independent-view,
.insights-preview,
.faq-section,
.services,
.verification-map {
  padding: clamp(72px, 11vw, 150px) clamp(18px, 6vw, 92px);
}

.independent-view {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(420px, 1.18fr);
  gap: clamp(38px, 7vw, 96px);
  align-items: start;
  background: #dbd5c6;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.independent-heading {
  position: sticky;
  top: 104px;
}

.independent-heading h2 {
  font-size: clamp(36px, 4.8vw, 72px);
  line-height: 0.98;
}

.independent-heading p {
  max-width: 560px;
  margin: 24px 0 0;
  color: rgba(16, 20, 16, 0.72);
  font-size: 18px;
  line-height: 1.62;
}

.comparison-rows {
  display: grid;
  border-top: 1px solid rgba(16, 20, 16, 0.2);
}

.comparison-rows article {
  display: grid;
  grid-template-columns: minmax(160px, 0.48fr) minmax(220px, 0.9fr) minmax(260px, 1fr);
  gap: 24px;
  align-items: start;
  min-height: 170px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(16, 20, 16, 0.2);
}

.comparison-rows span {
  color: var(--oxide);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.comparison-rows h3 {
  font-size: clamp(25px, 2.4vw, 38px);
  line-height: 1;
}

.comparison-rows p {
  margin: 0;
  color: rgba(16, 20, 16, 0.68);
  line-height: 1.58;
}

.comparison-rows .advisory-row {
  color: #fff;
  margin: 16px 0 0;
  padding: 30px;
  border: 0;
  background: var(--field);
}

.comparison-rows .advisory-row p {
  color: rgba(255, 255, 255, 0.72);
}

.expert-profile {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(360px, 1fr);
  min-height: 720px;
  background: #e6e0d2;
}

.expert-portrait {
  overflow: hidden;
}

.expert-portrait img {
  width: 100%;
  height: 100%;
  min-height: 720px;
  object-fit: cover;
  object-position: 50% 22%;
  filter: saturate(0.92) contrast(1.02);
}

.expert-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(56px, 8vw, 110px) clamp(24px, 7vw, 116px);
}

.expert-copy h2 {
  max-width: 720px;
  font-size: clamp(40px, 5vw, 82px);
  line-height: 0.98;
}

.expert-copy p {
  max-width: 680px;
  margin: 26px 0 0;
  color: rgba(16, 20, 16, 0.72);
  font-size: 18px;
  line-height: 1.66;
}

.perspective-quote {
  max-width: 760px;
  margin: 30px 0 0;
  padding: 24px 0 24px 26px;
  border-left: 4px solid var(--oxide);
  color: rgba(16, 20, 16, 0.9);
  font-family: var(--display);
  font-size: clamp(25px, 2.8vw, 40px);
  line-height: 1.08;
}

.expert-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.expert-notes span {
  padding: 12px 14px;
  border: 1px solid rgba(16, 20, 16, 0.18);
  color: rgba(16, 20, 16, 0.72);
  font-size: 13px;
  font-weight: 750;
}

.boundary-list {
  max-width: 760px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(16, 20, 16, 0.18);
}

.boundary-list strong {
  display: block;
  margin-bottom: 14px;
  color: var(--oxide);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.boundary-list ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.boundary-list li {
  position: relative;
  padding-left: 17px;
  color: rgba(16, 20, 16, 0.72);
  line-height: 1.45;
}

.boundary-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--oxide);
  content: "";
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.95fr) minmax(300px, 1.25fr);
  gap: clamp(36px, 8vw, 110px);
  align-items: start;
}

.section-lead h2,
.intro-band h2,
.bridge-copy h2,
.evidence-heading h2,
.application-copy h2,
.verification-map h2,
.contact h2 {
  font-size: clamp(36px, 5vw, 74px);
  line-height: 0.98;
}

.intro-copy {
  padding-top: 12px;
  columns: 2 260px;
  column-gap: 42px;
}

.intro-copy p,
.verification-map p,
.contact p {
  margin: 0 0 18px;
  color: rgba(16, 20, 16, 0.76);
  font-size: 18px;
  line-height: 1.65;
}

.bridge-model {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  min-height: 760px;
  color: var(--paper);
  background: var(--field);
}

.bridge-visual {
  position: sticky;
  top: 74px;
  height: calc(100svh - 74px);
  min-height: 620px;
  overflow: hidden;
}

.bridge-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 48% center;
  background: #f7f6f1;
}

.bridge-copy {
  padding: clamp(56px, 8vw, 108px) clamp(24px, 5vw, 72px);
}

.bridge-copy h2 {
  max-width: 620px;
}

.gate-list {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 46px 0 0;
  list-style: none;
}

.gate-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  column-gap: 20px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.gate-list span {
  color: var(--amber);
  font-family: var(--mono);
  font-size: 18px;
}

.gate-list strong {
  font-family: var(--display);
  font-size: 25px;
  font-weight: 500;
}

.gate-list p {
  grid-column: 2;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.55;
}

.evidence-grid {
  padding: clamp(72px, 11vw, 148px) clamp(18px, 4vw, 58px);
  color: #fff;
  background: #141712;
}

.evidence-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr);
  gap: 38px;
  align-items: end;
  margin-bottom: 42px;
}

.evidence-heading .eyebrow {
  align-self: start;
}

.feature-case {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 50px 110px rgba(0, 0, 0, 0.34);
}

.feature-case img {
  width: 100%;
  height: 100%;
  min-height: 660px;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.92) contrast(1.04);
}

.feature-case::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(5, 7, 6, 0.86), rgba(5, 7, 6, 0.38) 48%, rgba(5, 7, 6, 0.04));
}

.case-copy {
  position: absolute;
  left: clamp(22px, 5vw, 72px);
  bottom: clamp(24px, 6vw, 76px);
  z-index: 1;
  width: min(560px, calc(100% - 44px));
}

.case-copy span,
.service-cards span {
  display: block;
  margin-bottom: 14px;
  color: var(--amber);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.case-copy h3 {
  font-size: clamp(34px, 5vw, 70px);
  line-height: 0.98;
}

.case-copy p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
  line-height: 1.58;
}

.case-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.case-list article {
  min-height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.035);
}

.case-list img {
  width: 100%;
  aspect-ratio: 4 / 2.3;
  object-fit: cover;
  filter: saturate(0.86);
}

.case-list h3 {
  margin: 24px 24px 0;
  font-size: 28px;
  line-height: 1.04;
}

.case-list p {
  margin: 14px 24px 24px;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.55;
}

.services {
  background: var(--paper);
}

.services .section-lead {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr);
  gap: 38px;
  align-items: end;
}

.services .section-lead h2 {
  grid-column: 2;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 56px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-cards article {
  min-height: 340px;
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.service-cards h3 {
  font-size: 34px;
  line-height: 1.02;
}

.service-cards p {
  margin: 24px 0 0;
  color: rgba(16, 20, 16, 0.7);
  line-height: 1.6;
}

.insights-preview {
  background: #ded8c9;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.insights-preview .section-lead {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(320px, 1.15fr);
  gap: 38px;
  align-items: end;
}

.insights-preview .section-lead h2 {
  grid-column: 2;
  font-size: clamp(36px, 5vw, 74px);
  line-height: 0.98;
}

.insight-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 56px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.insight-cards article {
  min-height: 320px;
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.insight-cards span {
  display: block;
  margin-bottom: 16px;
  color: var(--oxide);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.insight-cards h3 {
  font-size: clamp(26px, 2.5vw, 38px);
  line-height: 1.02;
}

.insight-cards p {
  margin: 20px 0 0;
  color: rgba(16, 20, 16, 0.68);
  line-height: 1.6;
}

.applications {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: stretch;
  background: var(--field-2);
  color: var(--paper);
}

.application-photo {
  min-height: 680px;
}

.application-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 42% center;
  filter: saturate(0.9) contrast(1.04);
}

.application-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(54px, 8vw, 100px) clamp(24px, 6vw, 92px);
}

.application-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.application-tags span {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 700;
}

.verification-map {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(36px, 7vw, 92px);
  align-items: center;
  background: #ebe6d9;
}

.verification-map img {
  width: 100%;
  min-height: 360px;
  object-fit: contain;
  padding: 28px;
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(16, 20, 16, 0.14);
  box-shadow: var(--shadow);
}

.contact {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(420px, 0.82fr);
  gap: 42px;
  align-items: start;
  padding: clamp(72px, 11vw, 150px) clamp(18px, 6vw, 92px);
  color: #fff;
  background:
    linear-gradient(90deg, rgba(16, 20, 16, 0.94), rgba(16, 20, 16, 0.72)),
    url("site-media/liuruochuan-pultrusion-creel-frontref-grsai.png") center / cover;
}

.contact p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.72);
}

.contact .ip-note {
  margin-top: 28px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(10, 13, 10, 0.62);
  backdrop-filter: blur(16px);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 13px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  font: 15px/1.4 var(--body);
}

.contact-form textarea {
  min-height: 132px;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.contact-form select option {
  color: var(--ink);
}

.contact-form button {
  min-height: 52px;
  margin-top: 4px;
  border: 0;
  color: #fff;
  background: var(--oxide);
  cursor: pointer;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-form button[disabled] {
  opacity: 0.56;
  cursor: wait;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.turnstile-block {
  display: grid;
  gap: 10px;
}

.turnstile-slot {
  min-height: 68px;
}

.form-note,
.turnstile-note,
.form-status {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
}

.form-note,
.turnstile-note {
  color: rgba(255, 255, 255, 0.58);
}

.form-status {
  min-height: 20px;
  color: rgba(255, 255, 255, 0.86);
}

.form-status.is-error {
  color: #ffb3a3;
}

.form-status.is-success {
  color: #b5db9b;
}

.contact-channels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 4px;
  font-style: normal;
}

.contact-channels a {
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
  font-size: 14px;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.faq-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(360px, 1.2fr);
  gap: clamp(36px, 7vw, 92px);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

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

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

.faq-list summary {
  padding: 24px 0;
  cursor: pointer;
  font-family: var(--display);
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1.08;
}

.faq-list p {
  max-width: 760px;
  margin: 0;
  padding: 0 0 28px;
  color: rgba(16, 20, 16, 0.7);
  font-size: 17px;
  line-height: 1.64;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(18px, 6vw, 92px);
  color: rgba(255, 255, 255, 0.72);
  background: #0c0f0c;
  font-size: 13px;
}

.site-footer strong {
  color: #fff;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 500;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero-content {
    margin-bottom: 260px;
  }

  .bridge-model,
  .applications,
  .expert-profile {
    grid-template-columns: 1fr;
  }

  .bridge-visual {
    position: relative;
    top: auto;
    height: auto;
    min-height: auto;
  }

  .bridge-visual img,
  .expert-portrait img,
  .application-photo {
    max-height: 620px;
  }

  .intro-band,
  .independent-view,
  .evidence-heading,
  .insights-preview .section-lead,
  .faq-section,
  .services .section-lead,
  .verification-map,
  .contact {
    grid-template-columns: 1fr;
  }

  .services .section-lead h2 {
    grid-column: auto;
  }

  .insights-preview .section-lead h2 {
    grid-column: auto;
  }

  .independent-heading {
    position: relative;
    top: auto;
  }

  .comparison-rows article,
  .comparison-rows .advisory-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .case-list,
  .insight-cards,
  .service-cards,
  .signal-strip {
    grid-template-columns: 1fr;
  }

  .signal-strip div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
    padding: 10px 14px;
  }

  .brand-mark {
    width: 42px;
    height: 38px;
    font-size: 14px;
  }

  .brand em,
  .header-cta,
  .language-panel {
    display: none;
  }

  .language-menu summary {
    min-width: 42px;
    height: 38px;
    padding: 0 10px;
  }

  .hero {
    min-height: 860px;
    align-items: start;
  }

  .hero-media img {
    object-position: 62% center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(7, 10, 8, 0.82), rgba(7, 10, 8, 0.35) 48%, rgba(7, 10, 8, 0.84)),
      linear-gradient(90deg, rgba(7, 10, 8, 0.78), rgba(7, 10, 8, 0.22));
  }

  .hero-content {
    width: calc(100% - 28px);
    margin: 116px 14px 0;
  }

  h1 {
    font-size: clamp(34px, 10vw, 44px);
    line-height: 1;
  }

  .hero-panel {
    right: 14px;
    bottom: 24px;
    left: 14px;
    width: auto;
    padding: 18px;
  }

  .hero-panel strong {
    font-size: 22px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    justify-content: center;
  }

  .intro-copy {
    columns: 1;
  }

  .section-lead h2,
  .intro-band h2,
  .independent-heading h2,
  .insights-preview .section-lead h2,
  .bridge-copy h2,
  .evidence-heading h2,
  .application-copy h2,
  .verification-map h2,
  .faq-section h2,
  .contact h2 {
    font-size: clamp(34px, 11vw, 52px);
    line-height: 1.02;
  }

  .bridge-copy,
  .application-copy,
  .expert-copy {
    padding: 52px 18px;
  }

  .expert-portrait img {
    min-height: 460px;
    object-position: 50% 20%;
  }

  .expert-copy h2 {
    font-size: clamp(34px, 11vw, 52px);
    line-height: 1.02;
  }

  .comparison-rows .advisory-row {
    margin-top: 8px;
    padding: 22px;
  }

  .boundary-list ul,
  .form-grid,
  .contact-channels {
    grid-template-columns: 1fr;
  }

  .gate-list li {
    grid-template-columns: 42px 1fr;
    column-gap: 14px;
  }

  .feature-case,
  .feature-case img {
    min-height: 560px;
  }

  .feature-case::after {
    background: linear-gradient(180deg, rgba(5, 7, 6, 0.24), rgba(5, 7, 6, 0.9));
  }

  .case-copy {
    left: 18px;
    bottom: 22px;
  }

  .case-copy h3 {
    font-size: clamp(34px, 11vw, 52px);
  }

  .service-cards article,
  .insight-cards article,
  .case-list article {
    min-height: auto;
  }

  .application-photo {
    min-height: 420px;
  }

  .verification-map img {
    min-height: 260px;
    padding: 12px;
  }

  .site-footer {
    display: grid;
  }
}