/*
  WrinkleByte marketing site — shared stylesheet.
  Brand tokens sourced from shared_assets/README.md (the app icon's
  design system): navy gradient background, warm cream foreground,
  amber accent, flat/geometric shapes, moderate rounded corners.
*/

:root {
  --navy-top: #1B2C4C;
  --navy-bottom: #0F1B2D;
  --cream: #F4F1EA;
  --cream-alt: #E3DDD0;
  --amber: #F2A93B;
  --amber-dark: #C97F17;

  --text-on-cream: #1B2C4C;
  --text-muted: #4C5A72;
  --text-on-navy: #F4F1EA;
  --text-on-navy-muted: #B9C2D4;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --max-width: 1080px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--text-on-cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / nav ---------- */

.site-header {
  background: linear-gradient(180deg, var(--navy-top), var(--navy-bottom));
  color: var(--text-on-navy);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-on-navy);
}

.brand:hover,
.brand:focus-visible {
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand-name {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--text-on-navy-muted);
  border-radius: var(--radius-sm);
  color: var(--text-on-navy);
  font-size: 1rem;
  padding: 8px 12px;
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--text-on-navy-muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--amber);
  text-decoration: none;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--navy-top), var(--navy-bottom));
  color: var(--text-on-navy);
  padding: 64px 0 80px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--text-on-navy);
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 12px;
}

.hero p.lede {
  font-size: 1.15rem;
  color: var(--text-on-navy-muted);
  max-width: 46ch;
  margin: 0 0 28px;
}

.hero .mark {
  width: 180px;
  height: 180px;
  justify-self: center;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  border-radius: var(--radius-md);
  padding: 12px 22px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
}

.btn-amber {
  background: var(--amber);
  color: var(--navy-bottom);
}

.btn-amber:hover,
.btn-amber:focus-visible {
  background: #ffb84d;
  text-decoration: none;
}

.btn-outline {
  border-color: var(--text-on-navy-muted);
  color: var(--text-on-navy);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--amber);
  color: var(--amber);
  text-decoration: none;
}

.btn-disabled {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-md);
  padding: 11px 20px;
  font-weight: 700;
  font-size: 0.85rem;
  border: 2px solid var(--text-on-navy-muted);
  color: var(--text-on-navy-muted);
  cursor: default;
}

.btn-disabled .badge-soon {
  background: var(--amber);
  color: var(--navy-bottom);
  border-radius: 999px;
  font-size: 0.7rem;
  padding: 2px 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Sections ---------- */

main section {
  padding: 64px 0;
}

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

h2 {
  font-size: 1.75rem;
  margin: 0 0 12px;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.section-lede {
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 0 32px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--cream-alt);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--navy-bottom);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.callout {
  background: var(--navy-bottom);
  color: var(--text-on-navy);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}

.callout h3 {
  color: var(--text-on-navy);
}

.callout p {
  color: var(--text-on-navy-muted);
  margin: 4px 0 0;
  max-width: 52ch;
}

/* ---------- FAQ ---------- */

.faq-item {
  border-bottom: 1px solid var(--cream-alt);
  padding: 20px 0;
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-item h3 {
  margin: 0 0 8px;
}

.faq-item p {
  margin: 0;
  color: var(--text-muted);
}

/* ---------- Contact list ---------- */

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 1.05rem;
}

.contact-list .label {
  font-weight: 700;
  min-width: 96px;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- About / Poppy ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-grid img {
  border-radius: var(--radius-lg);
  width: 100%;
}

.about-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--navy-bottom);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.about-icon img {
  width: 24px;
  height: 24px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: linear-gradient(180deg, var(--navy-top), var(--navy-bottom));
  color: var(--text-on-navy-muted);
  padding: 48px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-grid h4 {
  color: var(--text-on-navy);
  margin: 0 0 12px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-grid a {
  color: var(--text-on-navy-muted);
}

.footer-grid a:hover,
.footer-grid a:focus-visible {
  color: var(--amber);
}

.footer-bottom {
  border-top: 1px solid rgba(244, 241, 234, 0.15);
  padding-top: 20px;
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    display: none;
    width: 100%;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 12px;
    padding: 16px 0 4px;
  }

  .site-header .container {
    flex-wrap: wrap;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero .mark {
    order: -1;
    width: 120px;
    height: 120px;
  }

  .cta-row {
    justify-content: center;
  }

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

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