/**
 * Voice Notes Lab – Website styles
 * Brand-aligned with mobile app (theme.ts, hero, paywall, gradients)
 */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
@import 'variables.css';

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* ----- Layout ----- */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.main { flex: 1; }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ----- Header / Nav ----- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gray-900);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--deep-purple); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--gray-600);
  text-decoration: none;
  transition: color var(--duration-fast);
}
.nav-links a:hover { color: var(--deep-purple); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-lg);
  background: var(--gradient-flow);
  box-shadow: 0 4px 14px rgba(102, 71, 240, 0.4);
  transition: transform var(--duration-fast), box-shadow var(--duration-normal);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(102, 71, 240, 0.45);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--gray-700);
}
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-xl);
    background: var(--white);
    gap: var(--space-md);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--duration-slow) var(--ease-out),
                opacity var(--duration-normal),
                visibility var(--duration-normal);
  }
  .nav-links.open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-links a { font-size: 1.125rem; }
}

/* ----- Hero ----- */
.hero {
  padding: calc(80px + var(--space-4xl)) 0 var(--space-4xl);
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 320px;
  height: 320px;
  margin: -160px 0 0 -160px;
  border-radius: 50%;
  background: var(--gradient-flow);
  opacity: 0.25;
  filter: blur(80px);
  animation: heroGlow 4s ease-in-out infinite;
}
@keyframes heroGlow {
  0%, 100% { opacity: 0.2; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.35; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-badge {
  display: inline-block;
  margin-bottom: var(--space-lg);
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--deep-purple);
  background: rgba(102, 71, 240, 0.1);
  border-radius: 999px;
  animation: fadeInUp 0.6s var(--ease-out) both;
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  margin: 0 0 var(--space-md);
  animation: fadeInUp 0.6s var(--ease-out) 0.1s both;
}
.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--gray-600);
  max-width: 520px;
  margin: 0 auto var(--space-2xl);
  animation: fadeInUp 0.6s var(--ease-out) 0.2s both;
}

.hero-waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: var(--space-2xl) auto;
  transform: rotate(-12deg);
  animation: fadeInUp 0.6s var(--ease-out) 0.25s both;
}
.hero-waveform span {
  width: 8px;
  height: 24px;
  background: var(--gray-800);
  border-radius: 4px;
  opacity: 0.9;
  animation: waveform 1.2s ease-in-out infinite;
}
.hero-waveform span:nth-child(1) { height: 18px; animation-delay: 0s; }
.hero-waveform span:nth-child(2) { height: 32px; animation-delay: 0.1s; }
.hero-waveform span:nth-child(3) { height: 48px; animation-delay: 0.2s; }
.hero-waveform span:nth-child(4) { height: 56px; animation-delay: 0.3s; }
.hero-waveform span:nth-child(5) { height: 48px; animation-delay: 0.4s; }
.hero-waveform span:nth-child(6) { height: 32px; animation-delay: 0.5s; }
.hero-waveform span:nth-child(7) { height: 18px; animation-delay: 0.6s; }
@keyframes waveform {
  0%, 100% { transform: scaleY(0.6); }
  50% { transform: scaleY(1); }
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  animation: fadeInUp 0.6s var(--ease-out) 0.3s both;
}
.hero-ctas .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-lg);
  background: var(--gradient-pulse);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
  transition: transform var(--duration-fast), box-shadow var(--duration-normal);
}
.hero-ctas .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.45);
}
.hero-ctas .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: border-color var(--duration-fast), color var(--duration-fast);
}
.hero-ctas .btn-secondary:hover {
  border-color: var(--deep-purple);
  color: var(--deep-purple);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----- Section ----- */
.section {
  padding: var(--space-3xl) 0;
}
.section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  color: var(--gray-900);
  margin: 0 0 var(--space-md);
  text-align: center;
}
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
}

/* ----- Features grid ----- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}
.feature-card {
  padding: var(--space-xl);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  transition: transform var(--duration-normal), box-shadow var(--duration-normal),
              border-color var(--duration-fast);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  border-color: var(--gray-200);
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(102, 71, 240, 0.12);
  color: var(--deep-purple);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}
.feature-card h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--gray-900);
  margin: 0 0 var(--space-sm);
}
.feature-card p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  margin: 0;
  line-height: 1.55;
}

/* ----- Screenshots / Mockup ----- */
.screenshots {
  padding: var(--space-3xl) 0;
  background: var(--gray-50);
}
.screenshots-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.mockup-frame {
  width: 280px;
  padding: 12px;
  background: var(--gray-900);
  border-radius: 28px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
  animation: float 5s ease-in-out infinite;
}
.mockup-frame:nth-child(2) { animation-delay: 0.5s; }
.mockup-frame:nth-child(3) { animation-delay: 1s; }
.mockup-placeholder {
  height: 480px;
  background: var(--gradient-flow);
  border-radius: 18px;
  opacity: 0.9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ----- CTA block ----- */
.cta-block {
  padding: var(--space-4xl) 0;
  text-align: center;
  background: var(--gradient-flow);
  color: var(--white);
}
.cta-block h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}
.cta-block p {
  margin: 0 0 var(--space-xl);
  opacity: 0.95;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.store-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.store-badges a {
  display: inline-block;
  height: 44px;
  transition: transform var(--duration-fast);
}
.store-badges a:hover { transform: scale(1.05); }
.store-badges img {
  height: 44px;
  width: auto;
  display: block;
}

/* ----- Footer ----- */
.site-footer {
  padding: var(--space-2xl) 0 var(--space-lg);
  background: var(--gray-900);
  color: var(--gray-400);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.footer-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  text-decoration: none;
}
.footer-logo span { color: var(--deep-purple); }
.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--duration-fast);
}
.footer-links a:hover { color: var(--white); }
.footer-copy {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin: 0;
}

/* ----- Legal & support pages ----- */
.legal-page, .support-page, .about-page {
  padding: calc(60px + var(--space-2xl)) 0 var(--space-3xl);
}
.legal-page h1, .support-page h1, .about-page h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: var(--gray-900);
  margin: 0 0 var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--gray-100);
}
.legal-page h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--gray-800);
  margin: var(--space-xl) 0 var(--space-sm);
}
.legal-page p, .support-page p, .about-page p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  margin: 0 0 var(--space-md);
  line-height: 1.65;
}
.legal-page ul, .support-page ul, .about-page ul {
  margin: 0 0 var(--space-md);
  padding-left: 1.25rem;
  color: var(--gray-600);
  font-size: 0.9375rem;
  line-height: 1.65;
}
.legal-page li { margin-bottom: var(--space-xs); }
.legal-page .updated { font-size: 0.8125rem; color: var(--gray-500); margin-bottom: var(--space-lg); }

/* Support contact form / links */
.support-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.support-card {
  padding: var(--space-xl);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
}
.support-card h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--gray-900);
  margin: 0 0 var(--space-sm);
}
.support-card p { margin: 0 0 var(--space-md); }
.support-card a {
  font-weight: 500;
  color: var(--deep-purple);
  text-decoration: none;
}
.support-card a:hover { text-decoration: underline; }

.about-mission {
  font-size: 1.0625rem;
  color: var(--gray-700);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

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