/* ============================================================
   Captiq — public site design system
   Clean, minimal, rounded cards, professional shadows,
   strong typography, sparse gradient accents. Light default,
   dark mode via [data-theme="dark"].
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fc;
  --bg-muted: #eef0f7;
  --card: #ffffff;
  --text: #0f172a;
  --text-soft: #334155;
  --muted: #64748b;
  --border: #e6e9f2;
  --border-strong: #d5dae8;

  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-soft: #eef0fe;
  --accent: #a855f7;
  --gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --gradient-soft: linear-gradient(135deg, rgba(99,102,241,.10) 0%, rgba(168,85,247,.10) 100%);

  --success: #16a34a;
  --success-bg: #eefbf2;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --info: #2563eb;
  --info-bg: #eff6ff;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .12);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
  --header-h: 68px;
  --transition: .2s ease;
}

[data-theme="dark"] {
  --bg: #0b0f1d;
  --bg-soft: #101527;
  --bg-muted: #161c33;
  --card: #121830;
  --text: #f1f5f9;
  --text-soft: #cbd5e1;
  --muted: #94a3b8;
  --border: #232b4d;
  --border-strong: #2f3a63;
  --primary-soft: rgba(99, 102, 241, .16);
  --gradient-soft: linear-gradient(135deg, rgba(99,102,241,.18) 0%, rgba(168,85,247,.18) 100%);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, .45);
  --success-bg: rgba(22, 163, 74, .14);
  --danger-bg: rgba(220, 38, 38, .14);
  --warning-bg: rgba(217, 119, 6, .14);
  --info-bg: rgba(37, 99, 235, .14);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; vertical-align: middle; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .5em; color: var(--text); }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
::selection { background: rgba(99, 102, 241, .25); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section-sm { padding: 56px 0; }
.section-muted { background: var(--bg-soft); }

.eyebrow {
  display: inline-block;
  font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--primary);
  background: var(--primary-soft);
  padding: 6px 14px; border-radius: var(--radius-full);
  margin-bottom: 16px;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; }
.text-center { text-align: center; }
.text-center .lead { margin-left: auto; margin-right: auto; }
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 650; font-size: 1rem;
  padding: 13px 26px; border-radius: var(--radius-full);
  border: 1px solid transparent; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-decoration: none !important; white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary {
  background: var(--gradient); color: #fff;
  box-shadow: 0 8px 24px rgba(99, 102, 241, .35);
}
.btn-primary:hover { box-shadow: 0 12px 32px rgba(99, 102, 241, .45); transform: translateY(-1px); }
.btn-secondary {
  background: var(--card); color: var(--text);
  border-color: var(--border-strong); box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { background: transparent; color: var(--text-soft); padding: 10px 16px; }
.btn-ghost:hover { color: var(--primary); background: var(--primary-soft); }
.btn-lg { padding: 16px 34px; font-size: 1.08rem; }
.btn-sm { padding: 9px 18px; font-size: .9rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.form-control {
  width: 100%; font: inherit; color: var(--text);
  background: var(--card); border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 12px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, .15);
}
textarea.form-control { min-height: 130px; resize: vertical; }
.form-hint { font-size: .85rem; color: var(--muted); margin-top: 6px; }
.form-error { font-size: .85rem; color: var(--danger); margin-top: 6px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; color: var(--text); text-decoration: none !important; }
.brand img { width: 34px; height: 34px; }
.nav-menu { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav-link {
  color: var(--text-soft); font-weight: 550; font-size: .98rem;
  padding: 10px 14px; border-radius: var(--radius-sm); text-decoration: none !important;
  background: none; border: none; font: inherit; cursor: pointer;
}
.nav-link:hover, .nav-link.is-active { color: var(--primary); background: var(--primary-soft); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 9px 11px; cursor: pointer; color: var(--text); }
.theme-toggle {
  background: var(--card); border: 1px solid var(--border-strong);
  border-radius: var(--radius-full); width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-soft);
}
.theme-toggle:hover { color: var(--primary); border-color: var(--primary); }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }

/* Tools dropdown */
.dropdown { position: relative; }
.dropdown-panel {
  display: none; position: absolute; top: calc(100% + 10px); left: 0;
  min-width: 300px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 10px; z-index: 120;
}
.dropdown.is-open .dropdown-panel { display: block; }
.dropdown-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 10px 12px; border-radius: var(--radius-sm); text-decoration: none !important;
}
.dropdown-item:hover { background: var(--bg-soft); }
.dropdown-item strong { display: block; color: var(--text); font-size: .95rem; }
.dropdown-item span { display: block; color: var(--muted); font-size: .82rem; }
.dropdown-foot { border-top: 1px solid var(--border); margin-top: 6px; padding-top: 8px; text-align: center; }
.dropdown-foot a { font-weight: 650; font-size: .9rem; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 96px 0 80px; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 320px at 15% 10%, rgba(99,102,241,.14), transparent 60%),
    radial-gradient(560px 300px at 85% 20%, rgba(168,85,247,.12), transparent 60%);
}
.hero-inner { position: relative; text-align: center; max-width: 860px; margin: 0 auto; }
.hero-sub { font-size: 1.18rem; color: var(--muted); max-width: 660px; margin: 0 auto 32px; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.hero-note { font-size: .88rem; color: var(--muted); }
.hero-visual {
  margin-top: 56px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 18px;
}
.hero-visual img { border-radius: var(--radius-sm); display: block; width: 100%; }

/* Caption preview mock */
.caption-demo {
  background: #0f172a; border-radius: var(--radius); padding: 28px;
  color: #fff; text-align: left; position: relative; overflow: hidden;
}
.caption-demo .demo-line {
  background: rgba(255,255,255,.08); border-radius: 6px; height: 12px; margin-bottom: 10px;
}
.caption-demo .demo-caption {
  display: inline-block; margin-top: 18px; padding: 8px 16px;
  background: rgba(0,0,0,.65); border-radius: 8px;
  font-weight: 700; font-size: 1.05rem;
}
.caption-demo .demo-caption .hl { color: #facc15; }

/* ---------- Cards & grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--gradient-soft); display: inline-flex;
  align-items: center; justify-content: center; margin-bottom: 16px;
  color: var(--primary); font-size: 1.4rem; font-weight: 800;
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); margin-bottom: 0; font-size: .96rem; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; }
.step-card { position: relative; }
.step-num {
  width: 44px; height: 44px; border-radius: var(--radius-full);
  background: var(--gradient); color: #fff; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 16px; font-size: 1.1rem;
}

/* ---------- Tools grid ---------- */
.tool-tile {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; text-decoration: none !important;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.tool-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--primary); }
.tool-tile .tile-mark {
  flex: 0 0 44px; width: 44px; height: 44px; border-radius: 12px;
  background: var(--gradient); color: #fff; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center; font-size: 1.05rem;
}
.tool-tile strong { display: block; color: var(--text); font-size: 1rem; margin-bottom: 2px; }
.tool-tile span { display: block; color: var(--muted); font-size: .86rem; line-height: 1.45; }

/* ---------- Testimonials ---------- */
.testimonial { display: flex; flex-direction: column; }
.testimonial .stars { color: #f59e0b; letter-spacing: 2px; margin-bottom: 12px; font-size: .95rem; }
.testimonial blockquote { margin: 0 0 18px; font-size: 1.02rem; color: var(--text-soft); flex: 1; }
.testimonial .who { display: flex; align-items: center; gap: 12px; }
.testimonial .avatar {
  width: 44px; height: 44px; border-radius: var(--radius-full);
  background: var(--gradient); color: #fff; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}
.testimonial .who strong { display: block; font-size: .95rem; }
.testimonial .who small { color: var(--muted); }

/* ---------- Pricing ---------- */
.pricing-grid { align-items: stretch; }
.price-card { display: flex; flex-direction: column; position: relative; }
.price-card.is-popular { border: 2px solid var(--primary); box-shadow: var(--shadow-lg); }
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gradient); color: #fff; font-size: .78rem; font-weight: 700;
  padding: 5px 16px; border-radius: var(--radius-full); letter-spacing: .04em;
  text-transform: uppercase; white-space: nowrap;
}
.price-name { font-weight: 750; font-size: 1.15rem; }
.price-tagline { color: var(--muted); font-size: .92rem; margin-bottom: 18px; }
.price-amount { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.03em; }
.price-amount small { font-size: 1rem; font-weight: 550; color: var(--muted); }
.price-note { font-size: .85rem; color: var(--muted); margin-bottom: 20px; }
.price-features { list-style: none; padding: 0; margin: 0 0 26px; flex: 1; }
.price-features li { padding: 7px 0 7px 30px; position: relative; font-size: .95rem; color: var(--text-soft); }
.price-features li::before {
  content: "✓"; position: absolute; left: 4px; top: 7px;
  color: var(--success); font-weight: 800;
}

/* ---------- FAQ accordion ---------- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden;
}
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px;
  font-weight: 650; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 1.4rem; font-weight: 400; color: var(--primary);
  transition: transform var(--transition); flex: 0 0 auto;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 22px 20px; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--gradient); border-radius: var(--radius-lg);
  padding: 64px 40px; text-align: center; color: #fff;
  box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(500px 260px at 50% -20%, rgba(255,255,255,.25), transparent 60%);
}
.cta-band h2 { color: #fff; margin-bottom: 12px; position: relative; }
.cta-band p { color: rgba(255,255,255,.88); max-width: 560px; margin: 0 auto 28px; position: relative; }
.cta-band .btn-primary { background: #fff; color: var(--primary-dark); box-shadow: 0 10px 28px rgba(0,0,0,.22); }
.cta-band .btn-secondary { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.5); color: #fff; }
.cta-band .btn-secondary:hover { border-color: #fff; color: #fff; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: .88rem; color: var(--muted); margin-bottom: 22px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 72px 0 48px; text-align: center; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(520px 260px at 20% 0%, rgba(99,102,241,.10), transparent 60%),
    radial-gradient(520px 260px at 80% 0%, rgba(168,85,247,.10), transparent 60%);
}
.page-hero .container { position: relative; }

/* ---------- Blog ---------- */
.post-card { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.post-card .post-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.post-card .post-cover {
  height: 180px; background: var(--gradient-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem; font-weight: 800; color: var(--primary);
}
.post-meta { font-size: .85rem; color: var(--muted); margin-bottom: 10px; display: flex; gap: 12px; flex-wrap: wrap; }
.post-card h3 { margin-bottom: 8px; }
.post-card h3 a { color: var(--text); }
.post-card h3 a:hover { color: var(--primary); }
.post-card p { color: var(--muted); font-size: .94rem; flex: 1; }
.chip {
  display: inline-block; font-size: .78rem; font-weight: 650;
  background: var(--primary-soft); color: var(--primary);
  padding: 4px 12px; border-radius: var(--radius-full); margin: 0 6px 6px 0;
  text-decoration: none !important;
}
.chip:hover { background: var(--primary); color: #fff; }
.article { max-width: 760px; margin: 0 auto; }
.article .article-body { font-size: 1.06rem; color: var(--text-soft); }
.article .article-body h2 { margin-top: 2em; }
.article .article-body img { border-radius: var(--radius); }
.author-box { display: flex; gap: 14px; align-items: center; margin-top: 40px; padding: 22px; }

/* ---------- Auth ---------- */
.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 40px 20px; position: relative;
  background:
    radial-gradient(600px 320px at 15% 10%, rgba(99,102,241,.12), transparent 60%),
    radial-gradient(560px 300px at 85% 90%, rgba(168,85,247,.10), transparent 60%),
    var(--bg-soft);
}
.auth-card {
  width: 100%; max-width: 440px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 40px 36px;
}
.auth-card .brand { justify-content: center; margin-bottom: 8px; display: flex; }
.auth-card h1 { font-size: 1.6rem; text-align: center; }
.auth-card .auth-sub { text-align: center; color: var(--muted); font-size: .95rem; margin-bottom: 28px; }
.auth-alt { text-align: center; margin-top: 22px; font-size: .92rem; color: var(--muted); }
.auth-back { display: block; text-align: center; margin-top: 26px; font-size: .9rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 64px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; margin-bottom: 48px; }
.footer-brand p { color: var(--muted); font-size: .92rem; max-width: 280px; }
.footer-col h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-soft); font-size: .94rem; }
.footer-col a:hover { color: var(--primary); }
.social-row { display: flex; gap: 10px; margin-top: 18px; }
.social-btn {
  width: 38px; height: 38px; border-radius: var(--radius-full);
  border: 1px solid var(--border-strong); display: inline-flex;
  align-items: center; justify-content: center; color: var(--text-soft);
  transition: all var(--transition);
}
.social-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 22px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: .88rem; color: var(--muted);
}
.footer-bottom nav { display: flex; gap: 20px; }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--primary); }

/* ---------- Flash ---------- */
.flash {
  max-width: var(--container); margin: 18px auto 0; padding: 14px 20px;
  border-radius: var(--radius-sm); font-weight: 550; font-size: .95rem;
  border: 1px solid; transition: opacity .4s;
}
.flash.is-fading { opacity: 0; }
.flash-success { background: var(--success-bg); border-color: var(--success); color: var(--success); }
.flash-error { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }
.flash-info { background: var(--info-bg); border-color: var(--info); color: var(--info); }
.flash .container { padding: 0; }

/* ---------- Misc ---------- */
.prose { max-width: 780px; }
.prose h2 { margin-top: 2em; }
.check-list { list-style: none; padding: 0; }
.check-list li { padding: 8px 0 8px 32px; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 6px; color: var(--success); font-weight: 800; }
.kbd-note { font-size: .85rem; color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.stat-row { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 28px; }
.stat strong { display: block; font-size: 1.8rem; font-weight: 800; }
.stat span { color: var(--muted); font-size: .9rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: var(--card); border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: stretch; padding: 12px 20px 20px; gap: 2px;
    box-shadow: var(--shadow-lg); margin: 0;
  }
  .nav-menu.is-open { display: flex; }
  .nav-link { padding: 12px 10px; }
  .dropdown-panel { position: static; box-shadow: none; border: none; padding: 0 0 0 12px; }
  .nav-actions .btn-ghost, .nav-actions .btn-sm { font-size: .85rem; padding: 8px 12px; }
  .section { padding: 60px 0; }
  .hero { padding: 64px 0 56px; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-ctas .btn { width: 100%; }
  .cta-band { padding: 48px 24px; }
  .auth-card { padding: 32px 24px; }
  .nav-actions .btn-ghost { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}