:root {
  color-scheme: dark;
  --bg: #080b10;
  --bg-soft: #0f1622;
  --panel: #151d2b;
  --panel-2: #1b2636;
  --line: #2a3446;
  --text: #eef4fb;
  --muted: #9da8ba;
  --faint: #6f7a8e;
  --accent: #6ee7b7;
  --accent-strong: #34d399;
  --blue: #7dd3fc;
  --amber: #fbbf24;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 8%, rgba(110, 231, 183, 0.18), transparent 30rem),
    radial-gradient(circle at 12% 18%, rgba(125, 211, 252, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 11, 16, 0.78);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
  font-size: 18px;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--blue));
  color: #06100c;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.nav-links {
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--text);
}

.hero,
.section,
.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
  gap: 46px;
  align-items: center;
  min-height: calc(100svh - 74px);
  padding: 58px 0 46px;
}

.hero-copy h1 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 580px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.7;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  background: var(--accent);
  color: #06100c;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.download-section {
  padding-top: 36px;
}

.download-page {
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100svh - 74px);
  margin: 0 auto;
  padding: 58px 0 46px;
}

.download-card {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(260px, 0.72fr);
  gap: 36px;
  align-items: center;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgba(110, 231, 183, 0.36);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(18, 57, 47, 0.84), rgba(15, 22, 34, 0.96)),
    var(--panel);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.download-copy h1,
.download-copy h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: 0;
}

.download-copy p {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.download-phone {
  display: flex;
  justify-content: center;
  margin: 0;
}

.download-phone img {
  width: min(260px, 82%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: #070a0f;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
}

.file-meta {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
}

.file-meta div {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.file-meta dt {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.file-meta dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  line-height: 1.55;
}

.install-steps {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding-left: 22px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
}

.legal-page {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.legal-card {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(27, 38, 54, 0.94), rgba(15, 22, 34, 0.96));
}

.legal-card h1 {
  margin: 0;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.04;
}

.legal-card h2 {
  margin: 34px 0 12px;
  font-size: 24px;
}

.legal-card p,
.legal-card li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.legal-card ul {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding-left: 22px;
}

.legal-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 800;
}

.hero-visual {
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.025));
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.38);
}

.hero-visual img,
.split figure img {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.section {
  padding: 82px 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 28px;
}

.section h2 {
  margin: 0;
  font-size: clamp(32px, 4.8vw, 54px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

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

.platform-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 16px;
}

.platform-card {
  display: flex;
  min-height: 430px;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(27, 38, 54, 0.92), rgba(18, 26, 38, 0.92));
  overflow: hidden;
}

.platform-card h3 {
  margin: 0 0 8px;
  font-size: 26px;
}

.platform-card p {
  max-width: 680px;
  margin: 0;
  font-size: 16px;
}

.download-panel {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.download-panel .button {
  width: fit-content;
}

.download-panel p {
  max-width: 420px;
  color: var(--faint);
  font-size: 14px;
  line-height: 1.55;
}

.platform-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: #070a0f;
  overflow: hidden;
}

.desktop-frame img {
  width: 100%;
}

.phone-frame {
  max-height: 330px;
}

.phone-frame img {
  width: min(220px, 74%);
  border-radius: 10px;
}

.feature-grid article,
.feature-panel {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(27, 38, 54, 0.92), rgba(18, 26, 38, 0.92));
}

.feature-grid h3,
.feature-panel h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.feature-grid p,
.feature-panel p {
  margin: 0;
  font-size: 16px;
}

.terminal-feature-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-panel {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: space-between;
}

.feature-panel span {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  font-weight: 800;
}

.feature-panel.primary-panel {
  grid-column: span 2;
  background:
    linear-gradient(135deg, rgba(18, 57, 47, 0.86), rgba(27, 38, 54, 0.94)),
    var(--panel);
}

.feature-panel.primary-panel h3 {
  max-width: 620px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.05;
}

.feature-panel.primary-panel p {
  max-width: 720px;
  font-size: 18px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(380px, 1.15fr);
  gap: 44px;
  align-items: center;
}

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

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text);
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  left: 0;
  content: "✓";
  color: var(--accent);
}

.split figure {
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--faint);
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .nav-links {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    gap: 12px 16px;
  }

  .hero,
  .split,
  .download-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

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

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

  .platform-card {
    min-height: 0;
  }

  .download-phone {
    order: -1;
  }

  .phone-frame {
    max-height: 520px;
  }

  .terminal-feature-layout {
    grid-template-columns: 1fr;
  }

  .feature-panel.primary-panel {
    grid-column: auto;
  }

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