:root {
  --navy-950: #08111f;
  --navy-900: #0d1b2e;
  --navy-800: #12233c;
  --blue-700: #1d5fd7;
  --blue-600: #256ee8;
  --blue-100: #eaf2ff;
  --ink: #142033;
  --muted: #637083;
  --line: #dbe5f1;
  --paper: #ffffff;
  --soft: #f5f8fc;
  --gold: #d79b19;
  --shadow: 0 18px 44px rgba(12, 30, 55, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 max(24px, calc((100vw - 1120px) / 2));
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 229, 241, 0.75);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--navy-950);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: #fff;
  background: var(--navy-900);
  box-shadow: inset 0 -10px 20px rgba(37, 110, 232, 0.35);
}

.nav-links,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover,
.site-footer a:hover {
  color: var(--blue-700);
}

.hero {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(8, 17, 31, 0.94), rgba(13, 33, 62, 0.92)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 82px);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 96px 0 104px;
  max-width: 1120px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(56px, 9vw, 112px);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 660px;
  margin: 26px 0 0;
  font-size: clamp(24px, 4vw, 44px);
  line-height: 1.1;
  font-weight: 780;
}

.hero-copy {
  max-width: 580px;
  margin: 22px 0 0;
  color: rgba(234, 242, 255, 0.84);
  font-size: 18px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #9bc1ff;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 760;
  border: 1px solid transparent;
}

.button.primary {
  background: #fff;
  color: var(--navy-950);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.dialogue-strip {
  position: absolute;
  right: 6%;
  top: 118px;
  display: grid;
  gap: 10px;
  width: min(360px, 38vw);
}

.dialogue-strip span,
.dialogue-card {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
}

.dialogue-strip span {
  padding: 12px 14px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 720;
}

.dialogue-card {
  position: absolute;
  width: min(320px, 34vw);
  padding: 18px;
  border-radius: 8px;
}

.dialogue-card strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
}

.dialogue-card p {
  margin: 8px 0 0;
  color: rgba(234, 242, 255, 0.78);
}

.card-one {
  right: 15%;
  bottom: 118px;
}

.card-two {
  right: 3%;
  bottom: 240px;
}

.bubble-label {
  color: #9bc1ff;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.section {
  padding: 92px 0;
}

.section.compact {
  padding-top: 76px;
}

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

.section-heading {
  max-width: 700px;
  margin-bottom: 28px;
}

.section h2,
.document h1 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-copy {
  color: var(--muted);
  max-width: 620px;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.card,
.feature-list article,
.document-card,
.support-card,
.premium-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.card {
  padding: 22px;
}

.card h3,
.feature-list h3,
.support-card h3 {
  margin: 14px 0 8px;
  color: var(--navy-950);
  font-size: 18px;
  line-height: 1.25;
}

.card p,
.feature-list p,
.support-card p {
  margin: 0;
  color: var(--muted);
}

.icon-badge {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 28px;
  border-radius: 8px;
  color: var(--blue-700);
  background: var(--blue-100);
  font-size: 12px;
  font-weight: 820;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.feature-list article {
  padding: 22px;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.language-grid span {
  padding: 18px 20px;
  border-radius: 8px;
  color: var(--navy-950);
  font-weight: 780;
  background: var(--soft);
  border: 1px solid var(--line);
}

.premium-band {
  color: #fff;
  background: var(--navy-950);
}

.premium-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  padding: 32px;
  background: linear-gradient(135deg, #101d31, #162b4a);
  border-color: rgba(255, 255, 255, 0.14);
}

.premium-panel h2 {
  color: #fff;
}

.premium-panel p {
  color: rgba(234, 242, 255, 0.78);
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  padding: 12px 14px;
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.page-hero {
  padding: 76px 0 56px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(8, 17, 31, 0.96), rgba(21, 48, 86, 0.92)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 90px);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1;
}

.page-hero p {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(234, 242, 255, 0.82);
  font-size: 18px;
}

.document {
  padding: 58px 0 84px;
  background: var(--soft);
}

.document-card {
  padding: clamp(24px, 4vw, 44px);
}

.document-card h2 {
  margin: 36px 0 10px;
  color: var(--navy-950);
  font-size: 24px;
}

.document-card h2:first-child {
  margin-top: 0;
}

.document-card h3 {
  margin: 22px 0 8px;
  color: var(--navy-800);
  font-size: 18px;
}

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

.document-card ul {
  padding-left: 20px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.support-card {
  padding: 22px;
}

.contact-panel {
  margin-top: 28px;
  padding: 26px;
  border-radius: 8px;
  background: var(--navy-950);
  color: #fff;
}

.contact-panel p {
  color: rgba(234, 242, 255, 0.8);
}

.contact-panel a {
  color: #fff;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 900px) {
  .grid.four,
  .feature-list,
  .support-grid,
  .split-section,
  .premium-panel {
    grid-template-columns: 1fr 1fr;
  }

  .dialogue-strip,
  .dialogue-card {
    opacity: 0.34;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 20px;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .container {
    width: min(100% - 28px, 1120px);
  }

  .hero {
    min-height: 590px;
  }

  .hero-content {
    padding: 72px 0 82px;
  }

  .dialogue-strip,
  .dialogue-card {
    display: none;
  }

  .grid.four,
  .feature-list,
  .support-grid,
  .split-section,
  .premium-panel,
  .language-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

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

  .site-footer nav {
    flex-wrap: wrap;
  }
}