/* ============================================================
   Voice Generator TTS — site styles
   Dark, modern, gradient-accented. No external dependencies.
   ============================================================ */

:root {
  --bg: #0b0d14;
  --bg-alt: #10131d;
  --surface: #161a27;
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef0f6;
  --text-dim: #9aa1b5;
  --accent-1: #7c5cff;
  --accent-2: #2dd4c8;
  --gradient: linear-gradient(120deg, var(--accent-1), var(--accent-2));
  --radius: 18px;
  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: rgba(11, 13, 20, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 20px; height: var(--nav-h); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  flex: none;
}
.brand-icon img { width: 100%; height: 100%; }
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 0.95rem; color: var(--text-dim); }
.nav-links a:hover { color: var(--text); }
.lang-btn {
  font: inherit; font-weight: 700; font-size: 0.85rem;
  color: var(--text); background: transparent;
  border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 16px; cursor: pointer; transition: border-color 0.2s, background 0.2s;
}
.lang-btn:hover { border-color: var(--accent-2); background: rgba(45, 212, 200, 0.08); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border-radius: 999px;
  font-weight: 600; font-size: 1rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s;
}
.btn-primary {
  background: var(--gradient); color: #fff;
  box-shadow: 0 6px 24px rgba(124, 92, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(124, 92, 255, 0.5); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }
.btn-lg { padding: 16px 34px; font-size: 1.08rem; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 90px 0 40px; }
.hero-glow {
  position: absolute; inset: -40% -20% auto;
  height: 130%;
  background:
    radial-gradient(600px 420px at 22% 30%, rgba(124, 92, 255, 0.28), transparent 70%),
    radial-gradient(560px 400px at 80% 20%, rgba(45, 212, 200, 0.16), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 48px; align-items: center;
}
.badge {
  display: inline-block; margin-bottom: 22px;
  padding: 7px 16px; border-radius: 999px;
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em;
  color: var(--accent-2);
  border: 1px solid rgba(45, 212, 200, 0.35);
  background: rgba(45, 212, 200, 0.07);
}
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  line-height: 1.12; letter-spacing: -0.025em; font-weight: 800;
  margin-bottom: 20px;
}
.lead { font-size: 1.13rem; color: var(--text-dim); max-width: 34em; margin-bottom: 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.hero-note { font-size: 0.88rem; color: var(--text-dim); }

/* Phone frame */
.hero-visual { display: flex; justify-content: center; }
.phone {
  width: min(300px, 72vw);
  border-radius: 44px; padding: 10px;
  background: #1c2030;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 60px rgba(124, 92, 255, 0.12);
}
.phone img { border-radius: 35px; }

/* ---------- Stats ---------- */
.stats { border-block: 1px solid var(--border); background: var(--bg-alt); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  text-align: center; padding: 34px 24px;
}
.stat-num {
  display: block; font-size: 2rem; font-weight: 800; letter-spacing: -0.02em;
  background: var(--gradient); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.stat-label { font-size: 0.9rem; color: var(--text-dim); }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em; font-weight: 800;
  margin-bottom: 12px;
}
.section-sub { color: var(--text-dim); font-size: 1.05rem; max-width: 40em; margin-bottom: 44px; }

/* ---------- Features ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(124, 92, 255, 0.45); }
.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 13px;
  margin-bottom: 16px;
  color: var(--accent-2);
  background: rgba(45, 212, 200, 0.09);
  border: 1px solid rgba(45, 212, 200, 0.22);
}
.card h3 { font-size: 1.08rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { font-size: 0.94rem; color: var(--text-dim); }

/* ---------- Gallery ---------- */
.gallery {
  display: flex; gap: 26px;
  overflow-x: auto;
  padding: 6px max(24px, calc((100vw - 1080px) / 2)) 26px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.shot { flex: none; scroll-snap-align: center; width: min(240px, 62vw); }
.shot img {
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}
.shot figcaption { text-align: center; margin-top: 14px; font-size: 0.9rem; color: var(--text-dim); }

/* ---------- Uses ---------- */
.uses { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 32px; max-width: 760px; }
.uses li {
  position: relative; padding-left: 30px; color: var(--text-dim); font-size: 1rem;
}
.uses li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  font-weight: 800; color: var(--accent-2);
}

/* ---------- Privacy teaser / final CTA ---------- */
.privacy-teaser { text-align: center; max-width: 720px; }
.privacy-teaser p { color: var(--text-dim); margin-bottom: 28px; }
.cta-final { text-align: center; }
.cta-final .section-sub { margin-inline: auto; margin-bottom: 32px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 44px 0; }
.footer-inner { display: grid; gap: 12px; justify-items: center; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 9px; font-weight: 700; }
.footer-brand .brand-icon { width: 28px; height: 28px; }
.footer-links { display: flex; gap: 20px; font-size: 0.92rem; color: var(--text-dim); }
.footer-links a:hover { color: var(--text); }
.footer-note { font-size: 0.9rem; color: var(--text-dim); }
.footer-note a { color: var(--accent-2); }
.footer-copy { font-size: 0.82rem; color: var(--text-dim); opacity: 0.75; }

/* ---------- Privacy page prose ---------- */
.prose { max-width: 760px; }
.prose h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); letter-spacing: -0.02em; margin-bottom: 8px; }
.prose h2 { font-size: 1.25rem; margin: 36px 0 10px; letter-spacing: -0.01em; }
.prose p { color: var(--text-dim); margin-bottom: 14px; }
.prose a { color: var(--accent-2); }
.prose-meta { font-size: 0.9rem; opacity: 0.8; margin-bottom: 28px; }
.placeholder-box {
  border: 1px dashed rgba(124, 92, 255, 0.55);
  background: rgba(124, 92, 255, 0.07);
  border-radius: var(--radius);
  padding: 18px 22px; margin: 22px 0;
}
.placeholder-box p { margin: 0; color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero { padding-top: 56px; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy .lead { margin-inline: auto; }
  .hero-cta { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
  .uses { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}