/* ============================================================
   Ngủ Ngoan — website styles
   Brand tokens mirrored from app/src/theme/tokens.ts
   ============================================================ */
:root {
  --cream: #FFF4E6;
  --cream2: #FBEAD3;
  --paper: #FFFDF8;
  --white: #FFFFFF;

  --pink: #FFD6E0;
  --pink-ink: #E48BA6;
  --lavender: #D5C6F0;
  --lavender-ink: #8B73C8;
  --mint: #BDE6CF;
  --mint-ink: #5BA585;
  --butter: #FFE5A0;
  --butter-ink: #C99A3F;
  --peach: #FFC9A8;
  --peach-ink: #D87A4A;

  --night: #2B2152;
  --night2: #3D2F6F;
  --night3: #1A1438;
  --twilight: #5B4A8C;
  --star: #FFE08A;

  --ink: #2E2547;
  --ink2: #5A4F77;
  --muted: #9890B0;

  --radius: 22px;
  --radius-sm: 14px;
  --shadow-soft: 0 18px 40px -18px rgba(43, 33, 82, 0.35);
  --shadow-card: 0 10px 30px -12px rgba(43, 33, 82, 0.22);
  --maxw: 1100px;

  --font-head: 'Fredoka', system-ui, sans-serif;
  --font-body: 'Nunito', system-ui, sans-serif;
  --font-script: 'Caveat', cursive;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--night);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1rem; }

a { color: var(--lavender-ink); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--lavender-ink);
  background: rgba(213, 198, 240, 0.4);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.muted { color: var(--ink2); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.02rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--lavender-ink), var(--pink-ink));
  color: var(--white);
  box-shadow: var(--shadow-soft);
}
.btn-ghost {
  background: var(--white);
  color: var(--night);
  box-shadow: var(--shadow-card);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 244, 230, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(43, 33, 82, 0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--night);
}
.brand:hover { text-decoration: none; }
.brand img {
  width: 40px; height: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-family: var(--font-head);
  font-weight: 500;
  color: var(--ink2);
  padding: 8px 14px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav-links a:hover { background: rgba(213, 198, 240, 0.35); color: var(--night); text-decoration: none; }
.nav-links a.active { color: var(--night); background: rgba(213, 198, 240, 0.5); }

.nav-toggle {
  display: none;
  background: none; border: none;
  font-size: 1.6rem; color: var(--night); cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(120% 120% at 80% -10%, var(--twilight) 0%, var(--night) 45%, var(--night3) 100%);
  color: var(--cream);
  padding: 90px 0 110px;
}
.hero h1 { color: var(--white); }
.hero .stars {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255,224,138,0.9), transparent),
    radial-gradient(2px 2px at 70% 20%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1.5px 1.5px at 40% 70%, rgba(255,224,138,0.7), transparent),
    radial-gradient(1.5px 1.5px at 85% 60%, rgba(255,255,255,0.7), transparent),
    radial-gradient(2px 2px at 55% 45%, rgba(255,224,138,0.6), transparent),
    radial-gradient(1.5px 1.5px at 10% 80%, rgba(255,255,255,0.6), transparent);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}
.hero p.lead {
  font-size: 1.2rem;
  color: rgba(255, 244, 230, 0.85);
  max-width: 30em;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-badges { display: flex; gap: 22px; margin-top: 34px; flex-wrap: wrap; }
.hero-badge { display: flex; flex-direction: column; }
.hero-badge b { font-family: var(--font-head); font-size: 1.5rem; color: var(--star); }
.hero-badge span { font-size: 0.85rem; color: rgba(255,244,230,0.7); }

.phone {
  position: relative;
  justify-self: center;
  width: 250px;
  aspect-ratio: 9 / 19;
  background: linear-gradient(160deg, var(--lavender), var(--pink));
  border-radius: 40px;
  padding: 14px;
  box-shadow: 0 30px 70px -20px rgba(0,0,0,0.5);
  border: 6px solid rgba(255,255,255,0.5);
}
.phone-screen {
  height: 100%;
  border-radius: 28px;
  background: radial-gradient(120% 100% at 50% 0%, var(--twilight), var(--night3));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--cream);
  text-align: center;
  padding: 20px;
}
.phone-screen .moon {
  width: 74px; height: 74px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--star), #E9B84A);
  box-shadow: 0 0 40px rgba(255,224,138,0.6);
}
.phone-screen .title { font-family: var(--font-head); font-size: 1.4rem; color: var(--white); }
.phone-screen .sub { font-family: var(--font-script); font-size: 1.5rem; color: var(--star); }

/* ---------- Sections ---------- */
section { padding: 76px 0; }
.section-head { text-align: center; max-width: 38em; margin: 0 auto 50px; }

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(43, 33, 82, 0.05);
  transition: transform 0.18s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.card .ico {
  width: 54px; height: 54px;
  border-radius: 16px;
  display: grid; place-items: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.ico.lav { background: var(--lavender); }
.ico.pnk { background: var(--pink); }
.ico.mnt { background: var(--mint); }
.ico.btr { background: var(--butter); }
.ico.pch { background: var(--peach); }
.ico.crm { background: var(--cream2); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink2); margin: 0; font-size: 0.98rem; }

.alt { background: var(--cream2); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.step { text-align: center; }
.step .num {
  width: 56px; height: 56px; margin: 0 auto 18px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 600; font-size: 1.4rem;
  color: var(--white);
  background: linear-gradient(135deg, var(--lavender-ink), var(--pink-ink));
  box-shadow: var(--shadow-card);
}

/* CTA banner */
.cta-banner {
  background: radial-gradient(120% 140% at 20% 0%, var(--twilight), var(--night));
  color: var(--cream);
  border-radius: var(--radius);
  padding: 56px 40px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: rgba(255,244,230,0.82); max-width: 34em; margin: 0 auto 26px; }

/* ---------- Content pages (support, privacy, contact) ---------- */
.page-hero {
  background: radial-gradient(120% 130% at 80% -20%, var(--twilight), var(--night) 60%);
  color: var(--cream);
  padding: 70px 0 60px;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 10px; }
.page-hero p { color: rgba(255,244,230,0.8); max-width: 36em; margin: 0 auto; }

.prose {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 40px;
}
.prose h2 { margin-top: 2.2em; font-size: 1.5rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.6em; color: var(--night2); }
.prose ul { padding-left: 1.3em; }
.prose li { margin-bottom: 8px; color: var(--ink2); }
.prose p { color: var(--ink2); }
.prose .updated { color: var(--muted); font-style: italic; font-size: 0.92rem; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
details.faq-item {
  background: var(--paper);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  margin-bottom: 14px;
  border: 1px solid rgba(43,33,82,0.05);
  overflow: hidden;
}
details.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 1.08rem;
  color: var(--night);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--lavender-ink);
  transition: transform 0.2s ease;
}
details.faq-item[open] summary::after { transform: rotate(45deg); }
details.faq-item .answer { padding: 0 24px 22px; color: var(--ink2); }
details.faq-item .answer p:last-child { margin-bottom: 0; }

/* contact cards */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 760px;
  margin: 0 auto;
}
.contact-card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-card);
  text-align: center;
}
.contact-card .ico { margin: 0 auto 16px; }
.contact-card a { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--night3);
  color: rgba(255,244,230,0.72);
  padding: 50px 0 36px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand { max-width: 22em; }
.footer-brand .brand { color: var(--cream); margin-bottom: 12px; }
.footer-brand p { color: rgba(255,244,230,0.6); font-size: 0.92rem; }
.footer-col h4 { color: var(--cream); font-size: 1rem; margin-bottom: 14px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { color: rgba(255,244,230,0.7); font-size: 0.94rem; }
.footer-col a:hover { color: var(--star); text-decoration: none; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.86rem;
  color: rgba(255,244,230,0.5);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-badges { justify-content: center; }
  .phone { order: -1; }
  .features, .steps { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links {
    position: absolute;
    top: 68px; right: 16px; left: 16px;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    padding: 12px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-soft);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .nav-toggle { display: block; }
}