:root {
  color-scheme: dark light;
  --bg: #05090b;
  --surface: #10171a;
  --surface-strong: #172125;
  --text: #f4f4f5;
  --muted: #c5c8cf;
  --line: #2c373d;
  --gold: #ffd149;
  --gold-dark: #9a6a00;
  --teal: #14b8a6;
  --teal-soft: #9ee8de;
  --danger: #f6b8b8;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: var(--teal-soft);
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #10171a;
  border: 1px solid #2c373d;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 700;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

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

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 58px 22px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  color: var(--gold);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0;
}

h1 {
  margin-top: 14px;
  max-width: 820px;
  font-size: clamp(2.5rem, 6vw, 5.4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

h3 {
  font-size: 1.15rem;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--gold);
  border-color: var(--gold);
  color: #12100a;
}

.button.secondary {
  background: transparent;
}

.phone-preview {
  width: min(100%, 410px);
  justify-self: center;
  padding: 18px;
  border-radius: 34px;
  color: #f4f4f5;
  background: #0a0f11;
  border: 1px solid #3a464c;
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.36);
}

.phone-screen {
  min-height: 560px;
  border-radius: 24px;
  background: #05090b;
  border: 1px solid #263238;
  padding: 24px;
}

.app-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.mini-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #10171a;
  border: 1px solid #2c373d;
}

.tool-list {
  display: grid;
  gap: 12px;
}

.tool-item {
  padding: 15px;
  border-radius: 14px;
  background: #10171a;
  border: 1px solid #2c373d;
}

.tool-item strong {
  display: block;
  margin-bottom: 4px;
}

.tool-item span {
  color: #c5c8cf;
  font-size: 0.95rem;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 58px 22px;
}

.section-header {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-header p {
  margin: 14px 0 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature {
  padding: 20px;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.feature p {
  margin: 10px 0 0;
  color: var(--muted);
}

.privacy-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #081012;
}

.privacy-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.privacy-point {
  padding: 18px;
  border-left: 3px solid var(--teal);
  background: rgba(20, 184, 166, 0.08);
}

.policy-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 52px 22px 74px;
}

.policy-page h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.policy-meta {
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.policy-meta p {
  margin: 0;
  color: var(--muted);
}

.policy-section {
  margin-top: 34px;
}

.policy-section h2 {
  font-size: 1.55rem;
}

.policy-section p,
.policy-section li {
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 26px 22px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 840px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 42px;
  }

  .phone-preview {
    justify-self: start;
  }

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

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

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9fa;
    --surface: #ffffff;
    --surface-strong: #eef4f3;
    --text: #101417;
    --muted: #4d5760;
    --line: #d7dee2;
    --gold: #8a6200;
    --teal-soft: #047c70;
  }

  .phone-preview,
  .phone-screen {
    box-shadow: none;
  }

  .privacy-band {
    background: #edf7f5;
  }
}