:root {
  --ink: #0d253d;
  --ink-soft: #273951;
  --muted: #64748d;
  --canvas: #ffffff;
  --canvas-soft: #f6f9fc;
  --cream: #f5e9d4;
  --line: #e3e8ee;
  --primary: #533afd;
  --primary-deep: #4434d4;
  --aqua: #00a6b2;
  --ruby: #ea2261;
  --gold: #ffb859;
  --navy: #1c1e54;
  --shadow: 0 18px 48px rgba(0, 55, 112, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: Inter, "SF Pro Display", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-feature-settings: "ss01";
  letter-spacing: 0;
}

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

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

.container {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 22px 0;
  color: #fff;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 650;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.24), rgba(255,255,255,0)),
    var(--primary);
  box-shadow: 0 10px 24px rgba(83, 58, 253, 0.32);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.nav-links a,
.footer-links a {
  transition: color 160ms ease, opacity 160ms ease;
}

.nav-links a:hover,
.footer-links a:hover {
  color: #fff;
}

.nav-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 999px;
  font-weight: 650;
  line-height: 1;
}

.nav-action {
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #fff;
  backdrop-filter: blur(12px);
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 78svh;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
  padding: 118px 0 72px;
}

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

.hero-media {
  background-image: url("/assets/chiha-platform.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.01);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 19, 32, 0.92) 0%, rgba(13, 37, 61, 0.78) 28%, rgba(13, 37, 61, 0.42) 58%, rgba(13, 37, 61, 0.18) 100%),
    linear-gradient(0deg, rgba(7, 19, 32, 0.44), rgba(7, 19, 32, 0.06));
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.eyebrow,
.section-kicker,
.panel-label {
  margin: 0 0 14px;
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

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

h1 {
  max-width: 620px;
  margin-bottom: 22px;
  font-size: 68px;
  font-weight: 350;
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 44px;
  font-weight: 360;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.68;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 46px;
}

.button {
  padding: 0 20px;
  font-size: 15px;
}

.button-primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 16px 34px rgba(83, 58, 253, 0.34);
}

.button-primary:hover {
  background: #4434d4;
}

.button-secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.30);
}

.button-secondary:hover,
.nav-action:hover {
  background: rgba(255, 255, 255, 0.18);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(740px, 100%);
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.20);
}

.hero-facts div {
  padding: 18px 22px 0 0;
}

.hero-facts dt {
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.hero-facts dd {
  margin: 0;
  color: #fff;
  font-size: 15px;
  font-weight: 650;
}

.intro-band {
  padding: 54px 0;
  background: var(--canvas);
  border-bottom: 1px solid var(--line);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: start;
}

.intro-grid h2 {
  margin-bottom: 0;
  font-size: 34px;
}

.intro-grid p:last-child {
  margin-bottom: 0;
  font-size: 17px;
}

.section {
  padding: 92px 0;
}

.corporate-section {
  background: #fff;
}

.corporate-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
  align-items: start;
}

.corporate-copy {
  position: sticky;
  top: 28px;
}

.corporate-copy p {
  margin-bottom: 0;
}

.corporate-stack {
  display: grid;
  gap: 16px;
}

.corporate-stack article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  min-height: 150px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--canvas-soft);
}

.corporate-stack span {
  font-variant-numeric: tabular-nums;
  color: var(--primary);
  font-weight: 800;
}

.corporate-stack p {
  margin-bottom: 0;
  font-size: 15px;
}

.section-light {
  background: var(--canvas-soft);
}

.section-head {
  width: min(720px, 100%);
  margin-bottom: 36px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.platform-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 55, 112, 0.08);
}

.platform-card p {
  margin-bottom: 0;
  font-size: 15px;
}

.platform-icon {
  display: inline-block;
  width: 42px;
  height: 42px;
  margin-bottom: 26px;
  border-radius: 8px;
  background: var(--primary);
  position: relative;
}

.platform-icon::before,
.platform-icon::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
}

.app-icon::before {
  inset: 9px 13px;
}

.app-icon::after {
  width: 14px;
  height: 3px;
  left: 14px;
  bottom: 9px;
}

.ads-icon {
  background: var(--ruby);
}

.ads-icon::before {
  width: 7px;
  height: 24px;
  left: 11px;
  bottom: 9px;
}

.ads-icon::after {
  width: 7px;
  height: 16px;
  right: 12px;
  bottom: 9px;
}

.commerce-icon {
  background: var(--aqua);
}

.commerce-icon::before {
  width: 24px;
  height: 16px;
  left: 9px;
  bottom: 10px;
  border-radius: 3px;
}

.commerce-icon::after {
  width: 18px;
  height: 10px;
  left: 12px;
  top: 9px;
  border: 3px solid rgba(255, 255, 255, 0.84);
  background: transparent;
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
}

.media-icon {
  background: var(--gold);
}

.media-icon::before {
  width: 0;
  height: 0;
  left: 16px;
  top: 12px;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 14px solid rgba(255, 255, 255, 0.86);
  background: transparent;
  border-radius: 0;
}

.media-icon::after {
  display: none;
}

.cloud-icon {
  background: var(--navy);
}

.cloud-icon::before {
  width: 22px;
  height: 12px;
  left: 10px;
  top: 18px;
}

.cloud-icon::after {
  width: 12px;
  height: 12px;
  left: 14px;
  top: 12px;
}

.venture-icon {
  background: #7f5af0;
}

.venture-icon::before {
  width: 22px;
  height: 4px;
  left: 10px;
  top: 19px;
}

.venture-icon::after {
  width: 4px;
  height: 22px;
  left: 19px;
  top: 10px;
}

.section-dark {
  color: #fff;
  background: linear-gradient(135deg, #0d253d, #1c1e54);
}

.section-dark p,
.section-dark .section-kicker {
  color: rgba(255, 255, 255, 0.72);
}

.operations-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: center;
}

.operations-copy p {
  margin-bottom: 0;
}

.process-list {
  display: grid;
  gap: 14px;
}

.process-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.process-item span {
  font-variant-numeric: tabular-nums;
  color: rgba(255, 255, 255, 0.48);
  font-weight: 750;
}

.process-item h3 {
  color: #fff;
}

.process-item p {
  margin-bottom: 0;
  font-size: 15px;
}

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

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 80px;
  align-items: center;
}

.trust-grid p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.verification-panel {
  padding: 30px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.verification-panel > div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.verification-panel > div:first-child {
  padding-top: 0;
}

.verification-panel > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.panel-label {
  margin: 0;
  color: var(--muted);
}

.verification-panel a {
  color: var(--primary);
  font-weight: 750;
}

.footer {
  padding: 54px 0;
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
}

.footer-brand {
  color: var(--ink);
  margin-bottom: 18px;
}

.footer p {
  width: min(520px, 100%);
  margin: 0;
  font-size: 14px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 14px 34px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--primary);
}

.legal-page {
  background: var(--canvas-soft);
}

.legal-nav {
  color: #fff;
}

.legal-hero {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  color: #fff;
  background: var(--ink);
  padding: 132px 0 72px;
}

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

.legal-hero-media {
  background-image: url("/assets/chiha-platform.png");
  background-size: cover;
  background-position: center;
  opacity: 0.42;
}

.legal-hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 19, 32, 0.94), rgba(13, 37, 61, 0.74)),
    linear-gradient(0deg, rgba(7, 19, 32, 0.52), rgba(7, 19, 32, 0.12));
}

.legal-hero-inner {
  position: relative;
  z-index: 1;
}

.legal-hero h1 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: 56px;
}

.legal-hero p:last-child {
  width: min(620px, 100%);
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.legal-shell {
  padding: 66px 0 92px;
}

.legal-document {
  width: min(920px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0;
}

.legal-document h2 {
  margin-top: 46px;
  margin-bottom: 14px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 28px;
}

.legal-document h3 {
  margin-top: 28px;
}

.legal-document p,
.legal-document li {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}

.legal-document ul {
  margin: 0 0 22px;
  padding-left: 22px;
}

.legal-document li {
  margin-bottom: 10px;
}

.legal-document a {
  color: var(--primary);
  font-weight: 650;
  overflow-wrap: anywhere;
}

.legal-table-wrap {
  width: 100%;
  margin: 24px 0 10px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 55, 112, 0.08);
}

.legal-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.55;
}

.legal-table th,
.legal-table td {
  padding: 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.legal-table th {
  color: var(--ink);
  background: var(--canvas-soft);
  font-weight: 750;
}

.legal-table td {
  color: var(--ink-soft);
}

.legal-table tr:last-child td {
  border-bottom: 0;
}

@media (max-width: 980px) {
  .site-header {
    width: min(100% - 32px, 760px);
  }

  .nav-links {
    display: none;
  }

  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 36px;
  }

  .intro-grid,
  .corporate-grid,
  .operations-grid,
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .corporate-copy {
    position: static;
  }

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

  .trust-grid {
    align-items: start;
  }

  .verification-panel {
    width: min(100%, 520px);
  }
}

@media (max-width: 680px) {
  .container,
  .hero-inner {
    width: calc(100% - 32px);
  }

  .site-header {
    width: calc(100% - 32px);
    padding-top: 16px;
  }

  .brand {
    font-size: 15px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .nav-action {
    min-height: 38px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero {
    min-height: 74svh;
    padding: 100px 0 54px;
  }

  .legal-hero {
    min-height: 360px;
    padding: 108px 0 56px;
  }

  .hero-media {
    background-position: 58% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 19, 32, 0.94) 0%, rgba(13, 37, 61, 0.80) 70%, rgba(13, 37, 61, 0.48) 100%),
      linear-gradient(0deg, rgba(7, 19, 32, 0.38), rgba(7, 19, 32, 0.12));
  }

  h1 {
    font-size: 40px;
  }

  .legal-hero h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 30px;
  }

  h3 {
    font-size: 18px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 34px;
  }

  .button {
    min-height: 46px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    gap: 12px;
    border-top: 0;
  }

  .hero-facts div {
    padding: 0 0 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .intro-band,
  .section {
    padding: 60px 0;
  }

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

  .corporate-stack article {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 22px;
  }

  .platform-card {
    min-height: auto;
    padding: 24px;
  }

  .process-item {
    grid-template-columns: 1fr;
  }

  .verification-panel {
    padding: 22px;
  }

  .verification-panel > div {
    display: grid;
    gap: 6px;
  }

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

  .footer-links {
    grid-template-columns: 1fr;
  }

  .legal-document {
    width: calc(100% - 32px);
  }

  .legal-document h2 {
    font-size: 24px;
  }
}