/* ============================================================
   AUDIOBOND — LANDING PAGE STYLES
   Dark premium theme · Orange accent · Inter font
============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0a0a0b;
  --bg-2:        #111114;
  --bg-3:        #18181d;
  --surface:     #1c1c22;
  --surface-2:   #242430;
  --border:      rgba(255,255,255,0.07);
  --border-2:    rgba(255,255,255,0.12);
  --text:        #f0f0f5;
  --text-2:      #9898a8;
  --text-3:      #5c5c70;
  --accent:      #f97316;
  --accent-2:    #fb923c;
  --accent-glow: rgba(249,115,22,0.18);
  --radius:      12px;
  --radius-lg:   20px;
  --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w:       1120px;
  --transition:  0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Utility ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.accent { color: var(--accent); }

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,11,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 64px;
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex; align-items: center; gap: 8px;
  font-size: 18px; font-weight: 700; color: var(--text);
  text-decoration: none; letter-spacing: -0.3px;
}

.logo-icon { color: var(--accent); font-size: 20px; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; border: none; cursor: pointer; font-family: var(--font);
  font-weight: 600; border-radius: 8px; text-decoration: none;
  transition: all var(--transition); white-space: nowrap;
}

.btn-sm {
  padding: 8px 16px; font-size: 14px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-sm:hover { background: var(--surface-2); border-color: var(--accent); color: var(--accent); }

.btn-lg {
  padding: 14px 28px; font-size: 16px;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-2);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

/* ── Section shared ──────────────────────────────────────── */
.section { padding: 96px 0; }

.section-label {
  display: inline-block;
  font-size: 12px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 16px;
}

.section-headline {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -1px; color: var(--text);
  margin-bottom: 20px;
}

.section-sub {
  font-size: 18px; color: var(--text-2);
  max-width: 560px; line-height: 1.7;
}

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(249,115,22,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  gap: 0;
}

.badge {
  display: inline-flex; align-items: center;
  font-size: 12px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(249,115,22,0.3);
  padding: 6px 14px; border-radius: 100px;
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900; line-height: 1.08;
  letter-spacing: -2px; color: var(--text);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-2); max-width: 520px;
  margin-bottom: 48px; line-height: 1.6;
}

/* ── Waitlist Form ───────────────────────────────────────── */
.waitlist-box {
  width: 100%; max-width: 620px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.waitlist-box--footer {
  max-width: 680px;
  margin: 0 auto;
}

.form-row {
  display: flex; gap: 12px;
  flex-wrap: wrap;
}

.form-group { flex: 1; min-width: 180px; }

.form-group input,
.waitlist-box input[type="text"],
.waitlist-box input[type="email"] {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 15px; font-family: var(--font);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder { color: var(--text-3); }

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}

.form-note {
  font-size: 13px; color: var(--text-3);
  text-align: center; margin-top: 14px;
}

/* Form success state */
.form-success {
  text-align: center; padding: 8px 0;
}
.success-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(34,197,94,0.12);
  border: 2px solid rgba(34,197,94,0.4);
  color: #4ade80;
  font-size: 24px; display: flex; align-items: center;
  justify-content: center; margin: 0 auto 16px;
}
.success-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.success-sub { font-size: 15px; color: var(--text-2); }

.hero-scroll-hint {
  margin-top: 48px;
  color: var(--text-3); font-size: 20px;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ── PROBLEM ─────────────────────────────────────────────── */
.section-problem { background: var(--bg-2); }

.section-problem .section-sub {
  margin-bottom: 56px;
  font-size: 20px; color: var(--text-2);
}

.bottleneck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.bottleneck-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.bottleneck-card:hover {
  border-color: var(--border-2);
  transform: translateY(-2px);
}

.bottleneck-card--highlight {
  border-color: rgba(249,115,22,0.3);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(249,115,22,0.05) 100%);
}

.bottleneck-icon { font-size: 28px; margin-bottom: 14px; }

.bottleneck-card h3 {
  font-size: 17px; font-weight: 700; margin-bottom: 8px;
  color: var(--text);
}

.bottleneck-card p { font-size: 14px; color: var(--text-2); line-height: 1.6; }

/* ── HOW IT WORKS ────────────────────────────────────────── */
.section-how { background: var(--bg); }

.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-top: 56px;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}

.step-number {
  font-size: 13px; font-weight: 800;
  letter-spacing: 1px; color: var(--accent);
  margin-bottom: 12px;
}

.step-content h3 {
  font-size: 16px; font-weight: 700;
  color: var(--text); margin-bottom: 10px;
  line-height: 1.3;
}

.step-content p { font-size: 14px; color: var(--text-2); line-height: 1.6; }

.step-connector {
  width: 40px; display: flex; align-items: center;
  justify-content: center; margin-top: 44px;
}
.step-connector::after {
  content: ''; display: block;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--border-2), var(--accent), var(--border-2));
}

/* ── STATS ───────────────────────────────────────────────── */
.section-stats { background: var(--bg-2); }

.stats-body {
  margin-bottom: 56px;
  max-width: 640px;
}
.stats-body strong { color: var(--text); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: transform var(--transition);
}

.stat-card:hover { transform: translateY(-3px); }

.stat-card--accent {
  border-color: rgba(249,115,22,0.35);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(249,115,22,0.06) 100%);
}

.stat-number {
  font-size: 52px; font-weight: 900;
  letter-spacing: -2px;
  color: var(--accent);
  line-height: 1; margin-bottom: 12px;
}

.stat-card--accent .stat-number { color: var(--accent); }

.stat-label {
  font-size: 14px; color: var(--text-2); line-height: 1.5;
}

/* ── CREATORS ────────────────────────────────────────────── */
.section-creators { background: var(--bg); }

.creators-grid {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-top: 48px;
}

.creator-card {
  flex: 1; min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.creator-card:hover {
  border-color: rgba(249,115,22,0.4);
  transform: translateY(-2px);
}

.creator-icon { font-size: 32px; margin-bottom: 14px; }

.creator-card h3 {
  font-size: 15px; font-weight: 700;
  color: var(--text); margin-bottom: 8px;
}

.creator-card p { font-size: 13px; color: var(--text-2); }

/* ── FAQ ─────────────────────────────────────────────────── */
.section-faq { background: var(--bg-2); }

.faq-list {
  max-width: 720px;
  margin-top: 48px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item:first-child { border-top: 1px solid var(--border); }

.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 22px 0;
  background: none; border: none; cursor: pointer;
  font-family: var(--font);
  font-size: 16px; font-weight: 600;
  color: var(--text); text-align: left;
  gap: 16px;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--accent); }

.faq-icon {
  flex-shrink: 0;
  font-size: 20px; font-weight: 300;
  color: var(--text-3);
  transition: transform var(--transition), color var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer.open { max-height: 300px; padding-bottom: 20px; }

.faq-answer p {
  font-size: 15px; color: var(--text-2);
  line-height: 1.7; padding-right: 48px;
}

/* ── FINAL CTA ───────────────────────────────────────────── */
.section-final-cta {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.section-final-cta::before {
  content: '';
  position: absolute;
  bottom: -200px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,0.09) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta-inner {
  position: relative; z-index: 1;
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}

.final-cta-headline { margin-bottom: 16px; }

.final-cta-inner .section-sub {
  margin-bottom: 40px;
  max-width: none;
  text-align: center;
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  display: flex; flex-direction: column;
  align-items: center; gap: 12px; text-align: center;
}

.footer-logo { font-size: 16px; }

.footer-tagline {
  font-size: 14px; color: var(--text-2);
  font-style: italic;
}

.footer-copy { font-size: 13px; color: var(--text-3); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .step-connector {
    width: auto; height: 32px; margin-top: 0;
    display: flex; align-items: center; justify-content: center;
  }
  .step-connector::after {
    width: 1px; height: 100%;
    background: linear-gradient(180deg, var(--border-2), var(--accent), var(--border-2));
  }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }

  .nav-inner { padding: 0 20px; }

  .hero { padding-top: 100px; }

  .form-row { flex-direction: column; }

  .form-group { min-width: unset; }

  .btn-lg { width: 100%; }

  .waitlist-box { padding: 24px 20px; }

  .bottleneck-grid { grid-template-columns: 1fr; }

  .stats-grid { grid-template-columns: 1fr; }

  .creators-grid { flex-direction: column; }

  .creator-card { min-width: unset; }

  .hero-scroll-hint { display: none; }

  .faq-answer p { padding-right: 0; }
}