:root {
  color-scheme: light;
  --ink: #13242a;
  --muted: #5e6d72;
  --paper: #f7f5ef;
  --surface: #ffffff;
  --surface-soft: #eef7f4;
  --teal: #0d6670;
  --teal-dark: #084850;
  --sea: #5f8d84;
  --coral: #d4624c;
  --amber: #dba245;
  --blue: #316f9d;
  --lavender: #756ab6;
  --line: rgba(19, 36, 42, 0.12);
  --shadow: 0 24px 70px rgba(26, 45, 49, 0.14);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

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

body.menu-open {
  overflow: hidden;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1120px, calc(100% - 32px));
  min-height: 60px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 10px 12px 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  color: #f7fbfb;
  background: rgba(8, 36, 40, 0.34);
  backdrop-filter: blur(20px);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease,
    color 180ms ease;
}

.site-header[data-elevated="true"] {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(13, 102, 112, 0.16);
  box-shadow: 0 16px 40px rgba(22, 52, 58, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 190px;
}

.brand picture {
  display: flex;
  align-items: center;
}

.brand-logo {
  width: 158px;
  height: auto;
  max-height: 40px;
  object-fit: contain;
  object-position: left center;
  transition: filter 180ms ease, opacity 180ms ease;
}

.site-header:not([data-elevated="true"]) .brand-logo {
  filter: brightness(0) invert(1);
  opacity: 0.96;
}

.site-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 14px;
  color: currentColor;
  opacity: 0.88;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.14);
  opacity: 1;
}

.site-header[data-elevated="true"] .site-nav a:hover {
  background: rgba(13, 102, 112, 0.08);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.floating-contact {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 45;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--teal);
  box-shadow: 0 18px 50px rgba(8, 72, 80, 0.25);
  font-weight: 850;
}

.floating-contact svg {
  width: 18px;
  height: 18px;
}

.language-toggle,
.header-cta,
.menu-toggle {
  border: 0;
  border-radius: 999px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  white-space: nowrap;
}

.language-toggle {
  padding: 0 12px;
  color: currentColor;
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
}

.header-cta {
  padding: 0 16px;
  color: #fff;
  background: var(--coral);
  font-weight: 700;
}

.menu-toggle {
  display: none;
  width: 42px;
  color: currentColor;
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
}

.site-header svg,
.btn svg,
.scenario-grid svg,
.evidence-grid svg,
.tick-list svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.hero {
  position: relative;
  min-height: 76vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  background: #163439;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.9) contrast(1.02);
  z-index: -3;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 28, 31, 0.92) 0%, rgba(7, 28, 31, 0.68) 40%, rgba(255, 255, 255, 0.04) 100%),
    linear-gradient(0deg, rgba(9, 46, 51, 0.66) 0%, rgba(9, 46, 51, 0.04) 48%, rgba(9, 46, 51, 0.18) 100%);
}

.hero-content {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 128px 0 42px;
  color: #fff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.eyebrow {
  color: #a8ddd6;
}

.section-kicker {
  color: var(--coral);
}

.hero h1 {
  max-width: 740px;
  margin: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.04;
  font-weight: 850;
}

.hero-copy {
  max-width: 600px;
  margin: 18px 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
}

.btn.primary {
  color: #fff;
  background: var(--coral);
}

.btn.secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.btn.secondary.dark {
  color: var(--teal-dark);
  border-color: rgba(13, 102, 112, 0.24);
  background: rgba(255, 255, 255, 0.86);
}

.btn.light {
  color: var(--teal-dark);
  background: #fff;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  width: min(620px, 100%);
  margin: 30px 0 0;
}

.hero-metrics div {
  min-height: 62px;
  padding: 10px 18px;
  border-left: 1px solid rgba(168, 221, 214, 0.55);
}

.hero-metrics dt {
  font-size: 18px;
  font-weight: 850;
  line-height: 1;
}

.hero-metrics dd {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.signal-strip span {
  min-height: 56px;
  display: grid;
  place-items: center;
  padding: 12px;
  text-align: center;
  font-weight: 800;
  color: var(--teal-dark);
  border-right: 1px solid var(--line);
}

.signal-strip span:nth-child(2) {
  color: var(--blue);
}

.signal-strip span:nth-child(3) {
  color: var(--coral);
}

.signal-strip span:nth-child(4) {
  color: var(--sea);
  border-right: 0;
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.8fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 28px;
}

.section-heading.compact {
  grid-template-columns: 1fr;
  max-width: 880px;
}

.section h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.12;
  font-weight: 850;
}

.section-heading p,
.loop-copy p,
.company-text p,
.contact-section p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 35px rgba(20, 48, 54, 0.06);
}

.feature-product {
  grid-row: auto;
}

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.feature-product img {
  aspect-ratio: 16 / 9;
}

.platform-product img {
  aspect-ratio: 16 / 9;
  object-position: center;
}

.product-body {
  padding: 22px;
}

.label {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-body h3,
.scenario-grid h3,
.evidence-grid h3 {
  margin: 0 0 9px;
  font-size: 19px;
  line-height: 1.25;
}

.product-body p,
.scenario-grid p,
.evidence-grid p,
.roadmap p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
}

.tick-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.tick-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink);
  font-weight: 700;
}

.tick-list svg {
  flex: 0 0 auto;
  color: var(--sea);
}

.ai-card {
  display: grid;
  grid-template-columns: 0.78fr 1fr;
  align-items: center;
  background: #fbfbf8;
}

.mini-dashboard {
  position: relative;
  min-height: 270px;
  margin: 18px 0 18px 18px;
  border: 1px solid rgba(13, 102, 112, 0.18);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, #eff8f6);
  overflow: hidden;
}

.dash-top,
.dash-row,
.dash-row.short {
  position: absolute;
  left: 22px;
  right: 22px;
  height: 12px;
  border-radius: 99px;
  background: rgba(13, 102, 112, 0.16);
}

.dash-top {
  top: 26px;
  width: 48%;
  background: var(--teal);
}

.dash-row {
  bottom: 54px;
}

.dash-row.short {
  bottom: 30px;
  width: 56%;
}

.wave {
  position: absolute;
  left: 18px;
  right: 18px;
  top: 78px;
  height: 74px;
  background:
    linear-gradient(90deg, transparent 0 7%, var(--coral) 7% 9%, transparent 9% 16%, var(--teal) 16% 18%, transparent 18% 26%, var(--blue) 26% 28%, transparent 28% 37%, var(--coral) 37% 39%, transparent 39% 52%, var(--sea) 52% 54%, transparent 54% 66%, var(--blue) 66% 68%, transparent 68%),
    repeating-linear-gradient(0deg, transparent 0 17px, rgba(19, 36, 42, 0.08) 17px 18px);
  border-bottom: 2px solid rgba(13, 102, 112, 0.18);
}

.score-ring {
  position: absolute;
  right: 20px;
  bottom: 72px;
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--teal-dark);
  font-size: 24px;
  font-weight: 850;
  background:
    radial-gradient(circle at center, #fff 0 54%, transparent 55%),
    conic-gradient(var(--coral) 0 24%, var(--amber) 24% 50%, var(--sea) 50% 82%, rgba(13, 102, 112, 0.15) 82% 100%);
}

.loop-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.loop-copy h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.15;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--teal);
  font-weight: 850;
}

.text-link svg {
  width: 18px;
  height: 18px;
}

.flow-list {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

.flow-list div {
  min-height: 50px;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: center;
  padding: 9px 12px;
  border: 1px solid rgba(13, 102, 112, 0.16);
  border-radius: var(--radius);
  background: #fff;
}

.flow-list strong {
  color: var(--coral);
  font-size: 16px;
}

.flow-list span {
  font-weight: 750;
}

.loop-figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 18px 48px rgba(26, 45, 49, 0.12);
}

.loop-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 6px;
}

.science-section {
  width: 100%;
  padding-left: max(20px, calc((100% - 1120px) / 2));
  padding-right: max(20px, calc((100% - 1120px) / 2));
  background: #fff;
}

.science-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(310px, 0.75fr);
  gap: 22px;
  align-items: stretch;
}

.science-layout > img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: contain;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbf7;
}

.evidence-grid {
  display: grid;
  gap: 14px;
}

.evidence-grid article,
.scenario-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.evidence-grid article {
  padding: 20px;
}

.evidence-grid svg,
.scenario-grid svg {
  margin-bottom: 12px;
  color: var(--teal);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.scenario-grid article {
  min-height: 190px;
  padding: 22px 20px;
}

.scenario-grid article:nth-child(2) svg {
  color: var(--coral);
}

.scenario-grid article:nth-child(3) svg {
  color: var(--sea);
}

.scenario-grid article:nth-child(4) svg {
  color: var(--lavender);
}

.roadmap-section {
  padding-top: 34px;
}

.roadmap {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.roadmap li {
  min-height: 185px;
  padding: 22px;
  background: #fff;
}

.roadmap span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  color: #fff;
  background: var(--teal);
  font-weight: 850;
  font-size: 13px;
}

.roadmap li:nth-child(2) span {
  background: var(--blue);
}

.roadmap li:nth-child(3) span {
  background: var(--coral);
}

.roadmap li:nth-child(4) span {
  background: var(--sea);
}

.roadmap strong {
  display: block;
  margin: 16px 0 8px;
  font-size: 18px;
}

.company-section {
  display: grid;
  grid-template-columns: minmax(310px, 0.82fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.company-text h2 {
  margin: 0 0 14px;
}

.brand-story-logo {
  width: min(330px, 100%);
  margin: 0 0 20px;
}

.company-facts {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
}

.company-facts div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.company-facts dt {
  color: var(--teal);
  font-weight: 850;
}

.company-facts dd {
  margin: 0;
  color: var(--muted);
}

.company-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.company-gallery img {
  width: 100%;
  height: 310px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
}

.contact-section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto 28px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.9fr);
  align-items: start;
  gap: 40px;
  padding: 36px;
  border-radius: var(--radius);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(13, 102, 112, 0.96), rgba(12, 67, 74, 0.98)),
    linear-gradient(90deg, var(--teal), var(--coral));
}

.contact-section .eyebrow,
.contact-section p {
  color: rgba(255, 255, 255, 0.82);
}

.contact-section h2 {
  max-width: 850px;
  margin-bottom: 12px;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 850;
}

.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  min-height: 44px;
  resize: vertical;
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  color: #fff;
  background: rgba(7, 36, 40, 0.3);
  font: inherit;
  outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.58);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

.form-status {
  margin: -2px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  line-height: 1.55;
}

.form-status[data-state="success"] {
  color: #d7fff1;
}

.form-status[data-state="error"] {
  color: #ffd7cf;
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  padding: 26px max(20px, calc((100% - 1120px) / 2));
  color: rgba(255, 255, 255, 0.68);
  background: #142529;
}

.site-footer p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
}

.footer-brand {
  display: flex;
  align-items: center;
}

.footer-brand img {
  width: 172px;
  height: auto;
  filter: brightness(0) invert(1);
  opacity: 0.88;
}

.demo-page {
  background: #fbfaf6;
}

.demo-hero {
  width: min(1180px, calc(100% - 40px));
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.04fr);
  align-items: center;
  gap: 44px;
  margin: 0 auto;
  padding: 136px 0 70px;
}

.demo-hero h1 {
  margin: 0;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.02;
  font-weight: 850;
}

.demo-hero p:not(.eyebrow) {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.demo-hero img {
  width: 100%;
  aspect-ratio: 16 / 10.5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.demo-detail {
  padding-top: 50px;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.demo-grid article {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.demo-grid span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  color: #fff;
  background: var(--teal);
  font-weight: 850;
}

.demo-grid article:nth-child(2) span {
  background: var(--coral);
}

.demo-grid article:nth-child(3) span {
  background: var(--sea);
}

.demo-grid h3 {
  margin: 24px 0 12px;
  font-size: 24px;
}

.demo-grid p,
.demo-split p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.demo-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.78fr);
  gap: 36px;
  align-items: center;
}

.demo-split > img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.demo-split h2 {
  margin-bottom: 18px;
}

.demo-checks {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.demo-checks li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-weight: 800;
}

.demo-checks svg {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  color: var(--teal);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border-radius: var(--radius);
    color: var(--ink);
    background: #fff;
    box-shadow: var(--shadow);
  }

  body.menu-open .site-nav {
    display: flex;
  }

  .site-nav a {
    justify-content: flex-start;
    min-height: 48px;
    padding: 0 14px;
  }

  .header-actions {
    justify-self: end;
  }

  .section-heading,
  .loop-section,
  .science-layout,
  .company-section,
  .contact-section,
  .demo-hero,
  .demo-split {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .scenario-grid,
  .roadmap,
  .demo-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-product {
    grid-column: span 2;
  }

  .ai-card {
    grid-column: span 2;
  }
}

@media (max-width: 680px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    min-height: 58px;
    padding: 8px;
  }

  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: 48px;
    max-height: 32px;
  }

  .header-cta span {
    display: none;
  }

  .header-cta {
    width: 42px;
    padding: 0;
  }

  .language-toggle {
    padding: 0 10px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-image {
    object-position: 58% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 28, 31, 0.92) 0%, rgba(7, 28, 31, 0.74) 62%, rgba(7, 28, 31, 0.28) 100%),
      linear-gradient(0deg, rgba(9, 46, 51, 0.76) 0%, rgba(9, 46, 51, 0.22) 100%);
  }

  .hero-content {
    width: calc(100% - 28px);
    padding: 108px 0 26px;
  }

  .hero h1 {
    font-size: clamp(31px, 9.5vw, 40px);
    text-wrap: balance;
  }

  .hero-copy {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.58;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 20px;
  }

  .hero-actions .btn {
    min-height: 44px;
    padding: 0 10px;
    font-size: 13px;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: 22px;
  }

  .hero-metrics div {
    min-height: 58px;
    padding: 9px 8px;
  }

  .hero-metrics dt {
    font-size: 15px;
    overflow-wrap: anywhere;
  }

  .hero-metrics dd {
    margin-top: 5px;
    font-size: 10px;
    line-height: 1.35;
  }

  .signal-strip {
    grid-template-columns: 1fr 1fr;
  }

  .signal-strip span {
    min-height: 52px;
    font-size: 12px;
  }

  .section {
    width: calc(100% - 28px);
    padding: 52px 0;
  }

  .section h2,
  .contact-section h2 {
    font-size: clamp(26px, 8vw, 34px);
    line-height: 1.15;
  }

  .product-grid,
  .scenario-grid,
  .roadmap,
  .company-gallery,
  .ai-card,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .feature-product {
    grid-column: auto;
  }

  .ai-card {
    grid-column: auto;
  }

  .mini-dashboard {
    min-height: 210px;
    margin: 16px 16px 0;
  }

  .product-body,
  .scenario-grid article,
  .evidence-grid article {
    padding: 18px;
  }

  .scenario-grid article,
  .roadmap li {
    min-height: auto;
  }

  .science-layout > img {
    min-height: 240px;
  }

  .company-gallery img {
    height: 200px;
  }

  .contact-section {
    width: calc(100% - 28px);
    padding: 26px 20px;
  }

  .floating-contact {
    right: 14px;
    bottom: 14px;
    min-height: 42px;
    padding: 0 12px;
    font-size: 13px;
  }

  .demo-hero {
    width: calc(100% - 28px);
    min-height: auto;
    padding: 112px 0 48px;
    gap: 28px;
  }

  .demo-hero h1 {
    font-size: clamp(34px, 10vw, 44px);
  }

  .demo-hero p:not(.eyebrow) {
    font-size: 16px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 26px 20px;
  }
}