/*
 * Shared styles for AnonymizeVideo.app SEO landing pages.
 *
 * Self-contained (no build step / framework). Mirrors the app's indigo-on-slate
 * brand so visitors who arrive on a landing page and continue into the app see a
 * consistent look. Supports light + dark via the same `dark` class the app sets
 * on <html> (localStorage key: 'anonymizevideo-theme').
 */
:root {
  color-scheme: light;
  --bg: #fbfcfd;
  --bg-wash: rgba(91, 91, 214, 0.08);
  --panel: #ffffff;
  --panel-2: #f1f3f9;
  --border: #e2e6ef;
  --border-strong: #cdd3e2;
  --text: #181c25;
  --text-dim: #4a5266;
  --text-faint: #6b7280;
  --accent: #5b5bd6;
  --accent-hover: #4f4fc4;
  --accent-hi: #7c7cf0;
  --accent-text: #4a4ac0;
  --ok: #29a383;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --shadow-1: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.04);
  --shadow-2: 0 6px 18px rgba(16, 24, 40, 0.08), 0 2px 8px rgba(16, 24, 40, 0.05);
  --shadow-3: 0 16px 44px rgba(16, 24, 40, 0.12), 0 6px 16px rgba(16, 24, 40, 0.08);
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html.dark {
  color-scheme: dark;
  --bg: #0c111d;
  --bg-wash: rgba(91, 91, 214, 0.16);
  --panel: #141a26;
  --panel-2: #1b2230;
  --border: #273043;
  --border-strong: #36415a;
  --text: #e6e8ef;
  --text-dim: #aab2c5;
  --text-faint: #7e879b;
  --accent: #5b5bd6;
  --accent-hover: #6e6ee6;
  --accent-hi: #8b8bf5;
  --accent-text: #b0b4f5;
  --ok: #3dd9b0;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-2: 0 6px 18px rgba(0, 0, 0, 0.45), 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-3: 0 16px 44px rgba(0, 0, 0, 0.55), 0 6px 16px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image: radial-gradient(1100px 520px at 50% -8%, var(--bg-wash), transparent 70%);
  background-attachment: fixed;
}

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

.wrap {
  max-width: 940px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Header ---- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 940px;
  margin: 0 auto;
  padding: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 720;
  font-size: 18px;
  color: var(--text);
}
.brand:hover {
  text-decoration: none;
}
.brand img {
  display: block;
}
.brand .tld {
  color: var(--accent-text);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-contrast, #fff);
  background: var(--accent);
  border-radius: var(--radius-pill);
  padding: 9px 18px;
}
.nav-cta:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 36px 0 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-text);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 28%, transparent);
}
.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  line-height: 1.1;
  font-weight: 760;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  max-width: 760px;
}
.hero .sub {
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  font-weight: 640;
  color: var(--accent-text);
  margin-bottom: 18px;
}
.hero .lede {
  max-width: 640px;
  font-size: clamp(1rem, 2vw, 1.12rem);
  color: var(--text-dim);
  margin-bottom: 28px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 660;
  border-radius: var(--radius-pill);
  padding: 13px 26px;
  transition: background 0.15s ease, transform 0.1s ease, border-color 0.15s ease;
}
.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-primary {
  color: #fff;
  background: var(--accent);
  box-shadow: var(--shadow-2);
}
.btn-primary:hover {
  background: var(--accent-hover);
}
.btn-ghost {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
  background: var(--panel-2);
}
.reassure {
  font-size: 13.5px;
  color: var(--text-faint);
}

/* ---- Demo frame ---- */
.frame {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin: 30px auto 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-3);
  background: var(--panel-2);
}
.frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.frame .tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
}

/* ---- Sections ---- */
main {
  padding-bottom: 40px;
}
section {
  margin-top: 56px;
}
section > h2 {
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 720;
  letter-spacing: -0.01em;
  text-align: center;
  margin-bottom: 14px;
}
.section-lede {
  max-width: 680px;
  margin: 0 auto 28px;
  text-align: center;
  color: var(--text-dim);
  font-size: 1.05rem;
}
.prose {
  max-width: 720px;
  margin: 0 auto;
}
.prose p {
  color: var(--text-dim);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

/* ---- Feature / use-case grid ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-1);
}
.card h3 {
  font-size: 1.1rem;
  font-weight: 680;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card p {
  color: var(--text-dim);
  font-size: 0.97rem;
}
.icon {
  width: 34px;
  height: 34px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent-text);
  font-size: 18px;
}

/* ---- Steps ---- */
.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.step p {
  color: var(--text-dim);
  font-size: 0.97rem;
}

/* ---- Audience list ---- */
.audience {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.audience span {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 9px 18px;
  font-size: 0.95rem;
  font-weight: 560;
  color: var(--text);
}

/* ---- Callout ---- */
.callout {
  max-width: 720px;
  margin: 0 auto;
  background: color-mix(in srgb, var(--accent) 8%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.callout p {
  color: var(--text-dim);
  font-size: 1rem;
}
.callout strong {
  color: var(--text);
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
details.faq {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 20px;
}
details.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-weight: 620;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
details.faq summary::-webkit-details-marker {
  display: none;
}
details.faq summary::after {
  content: '+';
  color: var(--accent-text);
  font-size: 22px;
  line-height: 1;
}
details.faq[open] summary::after {
  content: '–';
}
details.faq p {
  color: var(--text-dim);
  padding: 0 0 18px;
}

/* ---- Final CTA ---- */
.final-cta {
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 24px;
  box-shadow: var(--shadow-1);
}
.final-cta h2 {
  margin-bottom: 12px;
}
.final-cta p {
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 auto 24px;
}

/* ---- Footer ---- */
.site-footer {
  margin-top: 64px;
  border-top: 1px solid var(--border);
  padding: 32px 20px 48px;
}
.footer-inner {
  max-width: 940px;
  margin: 0 auto;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-bottom: 18px;
}
.footer-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
}
.footer-note {
  color: var(--text-faint);
  font-size: 0.88rem;
  line-height: 1.6;
}

@media (max-width: 560px) {
  .nav-cta {
    display: none;
  }
  .hero {
    padding-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover {
    transform: none;
  }
}
