/* Murmura — marketing site. Single shared stylesheet, no frameworks. */

:root {
  --bg: #0a0a0f;
  --bg-elev: #11121a;
  --bg-card: #15161f;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --fg: #f5f5f7;
  --fg-muted: #a1a1aa;
  --fg-soft: #71717a;
  --accent: #a98bff;
  --accent-2: #ff6ec7;
  --accent-3: #6ee7ff;
  --grad-hero: radial-gradient(60% 80% at 30% 0%, rgba(169, 139, 255, 0.18), transparent 60%),
               radial-gradient(50% 70% at 90% 10%, rgba(255, 110, 199, 0.12), transparent 60%),
               radial-gradient(40% 60% at 70% 90%, rgba(110, 231, 255, 0.10), transparent 60%);
  --shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 30px 60px -30px rgba(0,0,0,0.6);
  --radius: 18px;
  --radius-sm: 10px;
  --max: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --bg-elev: #ffffff;
    --bg-card: #ffffff;
    --border: rgba(0, 0, 0, 0.08);
    --border-strong: rgba(0, 0, 0, 0.14);
    --fg: #0a0a0f;
    --fg-muted: #4b4b55;
    --fg-soft: #6b6b75;
    --shadow: 0 1px 0 rgba(0,0,0,0.02) inset, 0 30px 60px -30px rgba(0,0,0,0.18);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }

/* ---------- Layout ---------- */
.shell { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; position: relative; }
@media (max-width: 720px) { section { padding: 64px 0; } }

/* ---------- Top nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600; color: var(--fg); text-decoration: none; font-size: 17px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 26px; height: 26px; border-radius: 8px;
  background: conic-gradient(from 220deg at 50% 50%, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  box-shadow: 0 4px 14px -4px var(--accent);
}
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a {
  color: var(--fg-muted); text-decoration: none; font-size: 14.5px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--fg); }
.nav-cta {
  padding: 8px 14px; border-radius: 999px;
  background: var(--fg); color: var(--bg) !important;
  font-weight: 600;
}
@media (max-width: 640px) { .nav-links a:not(.nav-cta) { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 20px; border-radius: 999px;
  font-weight: 600; font-size: 15px; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(180deg, #ffffff 0%, #d8d8df 100%);
  color: #0a0a0f;
  box-shadow: 0 10px 30px -10px rgba(255,255,255,0.4);
}
.btn-ghost {
  background: transparent; color: var(--fg);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--bg-elev); }

/* ---------- Hero ---------- */
.hero {
  padding-top: 120px; padding-bottom: 80px;
  background: var(--grad-hero);
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    repeating-linear-gradient(0deg, transparent 0 23px, color-mix(in oklab, var(--fg) 4%, transparent) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, color-mix(in oklab, var(--fg) 4%, transparent) 23px 24px);
  mask-image: radial-gradient(60% 50% at 50% 30%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(60% 50% at 50% 30%, black, transparent 80%);
  opacity: .35;
}
.hero-inner { position: relative; z-index: 1; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-muted);
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  margin-bottom: 24px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 999px; background: #34d399;
  box-shadow: 0 0 0 4px rgba(52,211,153,.18);
}
h1.headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6.5vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0 auto;
  max-width: 14ch;
}
h1.headline .accent {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 50%, var(--accent-3) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.lede {
  margin: 24px auto 36px; max-width: 56ch;
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--fg-muted);
}
.cta-row { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.trust-row {
  margin-top: 36px; display: inline-flex; gap: 18px; flex-wrap: wrap;
  justify-content: center; color: var(--fg-soft); font-size: 13.5px;
}
.trust-row span { display: inline-flex; align-items: center; gap: 6px; }
.trust-row svg { width: 14px; height: 14px; opacity: .7; }

/* ---------- Live demo card ---------- */
.demo {
  margin-top: 64px; position: relative; z-index: 1;
}
.demo-card {
  margin: 0 auto; max-width: 880px;
  background: linear-gradient(180deg, var(--bg-card) 0%, color-mix(in oklab, var(--bg-card) 92%, var(--bg)) 100%);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.demo-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 16px; border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.demo-dots { display: flex; gap: 6px; }
.demo-dots i { width: 11px; height: 11px; border-radius: 50%; background: var(--border-strong); display: block; }
.demo-title { font-size: 13px; color: var(--fg-soft); }
.demo-text {
  font-family: "Iowan Old Style", "Charter", "Georgia", serif;
  font-size: clamp(18px, 2.2vw, 22px); line-height: 1.55; color: var(--fg);
  text-align: left; min-height: 5em;
}
.demo-text .word { transition: color .25s ease, background .25s ease, opacity .25s ease; }
.demo-text .word.dim { opacity: .35; }
.demo-text .word.active {
  background: linear-gradient(120deg, color-mix(in oklab, var(--accent) 30%, transparent), color-mix(in oklab, var(--accent-2) 30%, transparent));
  border-radius: 6px; padding: 0 4px; margin: 0 -4px;
  color: var(--fg);
}
.demo-controls {
  display: flex; align-items: center; gap: 14px; padding-top: 18px;
  margin-top: 20px; border-top: 1px solid var(--border);
}
.demo-play {
  width: 38px; height: 38px; border-radius: 999px;
  background: var(--fg); color: var(--bg);
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; cursor: pointer; flex-shrink: 0;
}
.demo-progress {
  flex: 1; height: 4px; border-radius: 2px;
  background: var(--border-strong); overflow: hidden;
}
.demo-progress > i {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .25s linear;
}
.demo-time { font-variant-numeric: tabular-nums; color: var(--fg-soft); font-size: 13px; min-width: 80px; text-align: right; }

/* ---------- Section heading ---------- */
.section-head { text-align: center; max-width: 56ch; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 10%, transparent);
  color: var(--accent); font-weight: 600; font-size: 12.5px;
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1; letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.section-head p {
  color: var(--fg-muted); font-size: 17px; margin: 0;
}

/* ---------- Feature grid ---------- */
.features { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 920px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }
.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform .2s ease, border-color .2s ease;
}
.feature:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.feature .icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature .icon svg { width: 20px; height: 20px; }
.feature h3 { margin: 0 0 6px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--fg-muted); font-size: 14.5px; line-height: 1.55; }

/* ---------- How it works ---------- */
.steps {
  display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr);
  counter-reset: step;
}
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; top: 24px; right: 24px;
  font-family: var(--font-display);
  font-weight: 700; font-size: 28px; letter-spacing: -0.02em;
  color: color-mix(in oklab, var(--accent) 70%, transparent);
}
.step h3 { margin: 0 0 6px; font-size: 17px; font-weight: 600; }
.step p { margin: 0; color: var(--fg-muted); font-size: 14.5px; }

/* ---------- Voices marquee ---------- */
.voices {
  position: relative; overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.voices-track {
  display: flex; gap: 12px;
  animation: marquee 40s linear infinite;
  width: max-content;
}
.voice-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  white-space: nowrap; font-size: 14px; color: var(--fg);
}
.voice-pill .flag { font-size: 16px; }
.voice-pill .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--accent); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .voices-track { animation: none; }
}

/* ---------- Pricing ---------- */
.pricing { display: grid; gap: 18px; grid-template-columns: repeat(2, 1fr); max-width: 880px; margin: 0 auto; }
@media (max-width: 720px) { .pricing { grid-template-columns: 1fr; } }
.plan {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.plan.featured {
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 12%, var(--bg-card)) 0%, var(--bg-card) 100%);
  border-color: color-mix(in oklab, var(--accent) 35%, var(--border));
  position: relative;
}
.plan .badge {
  position: absolute; top: -12px; right: 24px;
  padding: 4px 10px; border-radius: 999px;
  background: var(--accent); color: #0a0a0f;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase;
}
.plan h3 { margin: 0 0 4px; font-size: 16px; font-weight: 600; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.plan .price { font-family: var(--font-display); font-size: 40px; font-weight: 700; letter-spacing: -0.02em; margin: 8px 0 4px; }
.plan .price small { font-size: 14px; color: var(--fg-muted); font-weight: 500; }
.plan .blurb { color: var(--fg-muted); margin: 0 0 20px; font-size: 14.5px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; }
.plan ul li { padding: 7px 0; padding-left: 26px; position: relative; font-size: 14.5px; }
.plan ul li::before {
  content: ""; position: absolute; left: 0; top: 12px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* ---------- FAQ ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
.faq details:last-child { border-bottom: 1px solid var(--border); }
.faq summary {
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-weight: 600; font-size: 16px; color: var(--fg);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 22px; font-weight: 400; color: var(--fg-muted);
  transition: transform .2s ease;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--fg-muted); font-size: 15px; line-height: 1.65; }

/* ---------- CTA strip ---------- */
.cta-strip {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #0a0a0f; border-radius: 24px;
  padding: 56px 48px; text-align: center;
  max-width: 980px; margin: 0 auto;
}
.cta-strip h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 38px); margin: 0 0 14px;
  letter-spacing: -0.02em; color: #0a0a0f;
}
.cta-strip p { margin: 0 0 24px; color: rgba(10,10,15,.78); font-size: 16px; }
.cta-strip .btn-primary {
  background: #0a0a0f; color: #fff;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,.4);
}

/* ---------- Footer ---------- */
.footer {
  padding: 56px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--fg-soft); font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h4 { color: var(--fg); font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 12px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin: 6px 0; }
.footer a { color: var(--fg-muted); text-decoration: none; }
.footer a:hover { color: var(--fg); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border);
  flex-wrap: wrap; gap: 12px;
}

/* ---------- Legal page (privacy/terms/support shared shell) ---------- */
.legal {
  max-width: 760px; margin: 0 auto;
  padding: 80px 24px 96px;
}
.legal h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 48px); letter-spacing: -0.025em;
  margin: 0 0 12px; line-height: 1.1;
}
.legal h2 {
  font-family: var(--font-display);
  font-weight: 700; font-size: 22px; letter-spacing: -0.01em;
  margin: 40px 0 12px; padding-top: 24px;
  border-top: 1px solid var(--border);
}
.legal h3 { font-weight: 600; font-size: 17px; margin: 24px 0 6px; }
.legal p, .legal li { color: var(--fg-muted); }
.legal a { color: var(--accent); text-decoration: none; }
.legal a:hover { text-decoration: underline; }
.legal ul, .legal ol { padding-left: 22px; }
.legal .meta { color: var(--fg-soft); font-size: 14px; margin-bottom: 32px; }

/* Reduced motion respect */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}