/* Satwise — landing page and privacy policy.
   Colours mirror the app's dark theme (Resources/Color+Extension.swift). */

@font-face {
  font-family: "Nunito";
  src: url("assets/fonts/Nunito-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Nunito";
  src: url("assets/fonts/Nunito-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Nunito";
  src: url("assets/fonts/Nunito-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  /* Surfaces: one purple ramp, lighter as it rises */
  --page: #1c1848;        /* appPrimary (dark) */
  --card: #2e2866;        /* appSecondary (dark) */
  --raised: #3a3382;      /* appTertiary (dark) */
  --divider: #453d96;     /* appDivider (dark) */

  /* Accent */
  --accent: #ef9f27;      /* appAccent (dark) */
  --accent-soft: #fac775; /* appTertiaryLight */

  /* Traffic lights (dark variants) */
  --green: #35c27b;
  --amber: #efa332;
  --red: #f4715f;
  --green-glyph: #0b3d22;
  --amber-glyph: #4a2a02;
  --red-glyph: #4a1210;

  /* Text */
  --text: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-tertiary: rgba(255, 255, 255, 0.5);

  --radius: 18px;
  --max-width: 1040px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: min(100% - 40px, var(--max-width));
  margin-inline: auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(28, 24, 72, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(69, 61, 150, 0.6);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.2rem;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  gap: 22px;
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--text-secondary);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  text-decoration: none;
}

/* Hero */

.hero {
  padding: 88px 0 72px;
  text-align: center;
}

.hero-icon {
  width: 112px;
  height: 112px;
  border-radius: 26px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

.eyebrow {
  margin: 28px 0 6px;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 4.4rem);
  line-height: 1.05;
  font-weight: 700;
}

.tagline {
  margin: 12px 0 0;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 600;
}

.intro {
  max-width: 560px;
  margin: 18px auto 0;
  color: var(--text-secondary);
}

.lights {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.light {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  font-size: 1.6rem;
  font-weight: 700;
}

.light.green { background: var(--green); color: var(--green-glyph); }
.light.amber { background: var(--amber); color: var(--amber-glyph); }
.light.red   { background: var(--red);   color: var(--red-glyph); }

.cta {
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--accent);
  color: #241a04;
  font-weight: 700;
  font-size: 1.05rem;
}

.button:hover,
.button:focus-visible {
  background: var(--accent-soft);
  text-decoration: none;
}

.note {
  margin: 14px 0 0;
  color: var(--text-tertiary);
  font-size: 0.92rem;
}

/* Sections */

section {
  padding: 72px 0;
}

.section-heading {
  margin: 0;
  text-align: center;
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  line-height: 1.15;
}

.section-subtitle {
  max-width: 600px;
  margin: 12px auto 0;
  text-align: center;
  color: var(--text-secondary);
}

/* Features */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 44px;
}

.feature {
  padding: 26px;
  border-radius: var(--radius);
  background: var(--card);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--raised);
  color: var(--accent);
  font-size: 1.35rem;
}

.feature h3 {
  margin: 16px 0 6px;
  font-size: 1.15rem;
}

.feature p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.98rem;
}

.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 9px;
  border-radius: 999px;
  background: rgba(239, 159, 39, 0.18);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: middle;
}

/* Premium */

.premium {
  background: linear-gradient(180deg, var(--page), #231e58 40%, var(--page));
}

.trial-badge {
  display: block;
  width: fit-content;
  margin: 20px auto 0;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--accent);
  color: #241a04;
  font-weight: 700;
  font-size: 0.9rem;
}

.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  max-width: 640px;
  margin: 36px auto 0;
}

.plan {
  position: relative;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--divider);
  text-align: center;
}

.plan.featured {
  border: 2px solid var(--accent);
}

.plan-tag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: #241a04;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.plan h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.price {
  margin: 8px 0 2px;
  font-size: 2.2rem;
  font-weight: 700;
}

.price span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.plan p {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 0.92rem;
}

.premium-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px 28px;
  max-width: 640px;
  margin: 36px auto 0;
  padding: 0;
  list-style: none;
}

.premium-list li {
  position: relative;
  padding-left: 30px;
}

.premium-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green);
  color: var(--green-glyph);
  font-size: 0.75rem;
  font-weight: 700;
}

.fine-print {
  max-width: 640px;
  margin: 28px auto 0;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

/* Disclaimer */

.disclaimer {
  max-width: 720px;
  margin: 0 auto;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: var(--card);
  border-left: 4px solid var(--accent);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.disclaimer strong {
  color: var(--text);
}

/* Privacy policy */

.policy {
  max-width: 760px;
  margin: 0 auto;
}

.policy .effective {
  margin: 8px 0 0;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.92rem;
}

.policy .summary {
  margin: 36px 0 12px;
  padding: 24px 26px;
  border-radius: var(--radius);
  background: var(--card);
}

.policy .summary h3 {
  margin-top: 0;
}

.policy h3 {
  margin: 36px 0 8px;
  font-size: 1.2rem;
}

.policy p,
.policy li {
  color: var(--text-secondary);
}

.policy ul {
  padding-left: 22px;
}

.policy li + li {
  margin-top: 6px;
}

.policy strong {
  color: var(--text);
}

/* Footer */

.site-footer {
  padding: 40px 0 56px;
  border-top: 1px solid var(--divider);
  color: var(--text-tertiary);
  font-size: 0.92rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  color: var(--text-secondary);
}

@media (max-width: 640px) {
  .site-nav {
    gap: 14px;
    font-size: 0.88rem;
  }

  .brand span {
    display: none;
  }

  .hero {
    padding-top: 56px;
  }

  section {
    padding: 56px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}