/* MediGyaan public pages — matches the Web AI design tokens, with emoji accents. */
:root {
  --primary: #1d4ed8;
  --primary-light: #3b82f6;
  --primary-dark: #1e40af;
  --primary-container: #dbeafe;
  --on-primary-container: #1e3a8a;
  --secondary: #7c3aed;
  --secondary-container: #ede9fe;
  --tertiary: #0d9488;
  --tertiary-container: #ccfbf1;
  --surface: #ffffff;
  --surface-dim: #f8fafc;
  --surface-container: #f1f5f9;
  --on-surface: #0f172a;
  --on-surface-variant: #64748b;
  --outline: #cbd5e1;
  --outline-variant: #e2e8f0;
  --background: #f0f4ff;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 25px rgba(0,0,0,.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --gradient-primary: linear-gradient(135deg, #1d4ed8, #7c3aed);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
[data-theme="dark"] {
  --primary: #60a5fa;
  --primary-container: #1e3a5f;
  --on-primary-container: #bfdbfe;
  --secondary: #a78bfa;
  --secondary-container: #3b1f6e;
  --tertiary: #2dd4bf;
  --tertiary-container: #134e4a;
  --surface: #1e293b;
  --surface-dim: #0f172a;
  --surface-container: #1e293b;
  --on-surface: #f1f5f9;
  --on-surface-variant: #94a3b8;
  --outline: #475569;
  --outline-variant: #334155;
  --background: #0f172a;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow-md: 0 4px 6px rgba(0,0,0,.4);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.4);
  --shadow-xl: 0 20px 25px rgba(0,0,0,.5);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --primary: #60a5fa;
    --primary-container: #1e3a5f;
    --on-primary-container: #bfdbfe;
    --secondary: #a78bfa;
    --secondary-container: #3b1f6e;
    --tertiary: #2dd4bf;
    --tertiary-container: #134e4a;
    --surface: #1e293b;
    --surface-dim: #0f172a;
    --surface-container: #1e293b;
    --on-surface: #f1f5f9;
    --on-surface-variant: #94a3b8;
    --outline: #475569;
    --outline-variant: #334155;
    --background: #0f172a;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.4);
    --shadow-xl: 0 20px 25px rgba(0,0,0,.5);
    color-scheme: dark;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  line-height: 1.7;
  color: var(--on-surface);
  background: var(--background);
  background-image:
    radial-gradient(1100px 520px at 8% -8%, rgba(29,78,216,.10), transparent 60%),
    radial-gradient(900px 480px at 100% 0%, rgba(124,58,237,.10), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 6px; }

/* ---------- Header ---------- */
.site-header {
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: #fff;
  padding: 20px 20px 40px;
}
.site-header::before,
.site-header::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  pointer-events: none;
}
.site-header::before { width: 260px; height: 260px; top: -120px; right: -60px; }
.site-header::after { width: 180px; height: 180px; bottom: -110px; left: -40px; background: rgba(255,255,255,.08); }
.site-header .inner {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-badge {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  border: 2px solid rgba(255,255,255,.45);
  display: grid; place-items: center;
  font-size: 19px;
  box-shadow: 0 6px 20px rgba(0,0,0,.15);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 800; font-size: 1.02rem; letter-spacing: -.01em; }
.brand-sub { font-size: .68rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: rgba(255,255,255,.78); }
.site-nav { display: flex; flex-wrap: wrap; gap: 6px; }
.site-nav a {
  display: inline-flex; align-items: center; gap: 6px;
  color: #fff; text-decoration: none;
  font-size: .84rem; font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.18);
  transition: background .15s ease, transform .15s ease;
}
.site-nav a:hover { background: rgba(255,255,255,.26); text-decoration: none; transform: translateY(-1px); }
.site-nav a.active { background: #fff; color: var(--primary-dark); border-color: #fff; }
.site-nav a.active:hover { transform: none; }

.page-head {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 26px 0 0;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.head-emoji {
  width: 64px; height: 64px; flex-shrink: 0;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 30px;
  background: rgba(255,255,255,.16);
  border: 2px solid rgba(255,255,255,.45);
  box-shadow: 0 8px 28px rgba(0,0,0,.18);
  animation: bob 5s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
.page-head h1 { font-size: clamp(1.55rem, 4vw, 2.1rem); line-height: 1.2; letter-spacing: -.025em; }
.page-head .sub { margin-top: 4px; color: rgba(255,255,255,.9); font-size: .93rem; max-width: 640px; }
.head-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.head-meta span {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .76rem; font-weight: 600;
  padding: 4px 10px; border-radius: var(--radius-full);
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.2);
}

/* ---------- Card ---------- */
main { max-width: 960px; margin: -26px auto 40px; padding: 0 20px; position: relative; }
.card {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 34px 40px 40px;
}
.lede {
  display: flex; gap: 12px;
  background: var(--primary-container);
  color: var(--on-primary-container);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 26px;
  font-size: .94rem;
}
.lede .lede-ico { font-size: 1.25rem; line-height: 1.4; flex-shrink: 0; }
.lede strong { color: inherit; }
.lede a { color: var(--primary-dark); font-weight: 600; }

/* ---------- TOC ---------- */
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.toc a {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; font-weight: 600; text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  color: var(--on-surface);
  transition: all .15s ease;
}
.toc a:hover {
  background: var(--primary-container);
  border-color: var(--primary);
  color: var(--on-primary-container);
  text-decoration: none;
  transform: translateY(-1px);
}

/* ---------- Headings ---------- */
h2 {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.2rem;
  margin: 30px 0 10px;
  color: var(--on-surface);
  scroll-margin-top: 24px;
  letter-spacing: -.01em;
}
h2:first-of-type { margin-top: 0; }
.h-ico {
  width: 32px; height: 32px; flex-shrink: 0;
  display: grid; place-items: center;
  font-size: 16px;
  border-radius: 10px;
  background: var(--primary-container);
  border: 1px solid var(--outline-variant);
}
h3 { font-size: 1rem; margin: 18px 0 6px; }
p, ul, ol { margin-bottom: 14px; color: var(--on-surface-variant); }
ul, ol { padding-left: 22px; }
li { margin: 5px 0; }
strong { color: var(--on-surface); }
code {
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: .88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
small { color: var(--on-surface-variant); }

/* ---------- Callouts ---------- */
.note {
  display: flex; gap: 10px;
  border: 1px solid var(--outline-variant);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  background: var(--surface-dim);
  padding: 12px 16px;
  margin: 16px 0;
  font-size: .92rem;
  color: var(--on-surface-variant);
}
.note .note-ico { font-size: 1.1rem; line-height: 1.5; }
.note.warn { border-left-color: var(--warning); }
.note.ok { border-left-color: var(--success); }

/* ---------- Tiles ---------- */
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin: 14px 0 18px; }
.tile {
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  background: var(--surface);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.tile-ico {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  font-size: 19px;
  border-radius: var(--radius-md);
  background: var(--primary-container);
  margin-bottom: 10px;
}
.tile:nth-child(2) .tile-ico { background: var(--secondary-container); }
.tile:nth-child(3) .tile-ico { background: var(--tertiary-container); }
.tile:nth-child(4) .tile-ico { background: #fef3c7; }
.tile h3 { margin: 0 0 4px; font-size: .95rem; }
.tile p { margin: 0; font-size: .87rem; }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; counter-reset: step; }
.steps li {
  display: flex; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--outline-variant);
}
.steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.step-ico {
  width: 34px; height: 34px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--primary-container);
  font-size: 16px;
}
.steps p { margin: 0; font-size: .92rem; }

/* ---------- FAQ ---------- */
.faq {
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 0 16px;
  margin-bottom: 10px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.faq:hover { border-color: var(--outline); }
.faq[open] { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.faq summary {
  display: flex; align-items: center; gap: 9px;
  cursor: pointer;
  font-weight: 700;
  font-size: .95rem;
  padding: 14px 0;
  list-style: none;
  color: var(--on-surface);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; margin-left: auto; color: var(--primary); font-size: 1.15rem; font-weight: 700; line-height: 1; }
.faq[open] summary::after { content: '–'; }
.q-emoji { font-size: 1.05rem; line-height: 1; }
.faq .answer { padding: 0 0 15px 30px; color: var(--on-surface-variant); font-size: .92rem; }
.faq .answer p:last-child, .faq .answer ul:last-child { margin-bottom: 0; }

/* ---------- Buttons ---------- */
.contact { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 4px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none;
  font-weight: 700; font-size: .9rem;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(29,78,216,.28);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(29,78,216,.32); }
.btn.ghost {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-sm);
}
.btn.ghost:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }

/* ---------- Footer ---------- */
footer {
  max-width: 960px; margin: 0 auto 44px; padding: 0 20px;
  color: var(--on-surface-variant); font-size: .8rem;
  display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center;
}
footer a { color: var(--on-surface-variant); text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
footer a:hover { color: var(--primary); text-decoration: none; }
footer .copy { font-weight: 600; }

@media (max-width: 680px) {
  .site-header { padding: 18px 16px 38px; }
  .page-head { padding-top: 22px; }
  .card { padding: 24px 20px 28px; }
  h2 { font-size: 1.1rem; }
  .faq .answer { padding-left: 0; }
  .tile:nth-child(4) .tile-ico { background: var(--primary-container); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}
@media print {
  body { background: #fff; }
  .site-header { background: #fff; color: #000; padding: 0 0 12px; }
  .site-header::before, .site-header::after, .site-nav, .toc, .head-emoji, .btn { display: none; }
  .page-head h1, .page-head .sub, .head-meta span { color: #000; }
  .head-meta span { border-color: #ccc; }
  .card { box-shadow: none; border: none; padding: 0; }
  .faq { break-inside: avoid; }
  .faq .answer { display: block; }
}