/* ============================================================
   EMBER — Heritage Language Reconnection
   Owns: all landing page styles
   Does NOT own: server logic, DB, analytics
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700&display=swap');

/* ── Variables ─────────────────────────────────────────── */
:root {
  --bg:         #100f0d;
  --bg-warm:    #1a1714;
  --bg-card:    #1f1d19;
  --surface:    #272420;
  --border:     rgba(255,255,255,0.08);
  --cream:      #f5f0e8;
  --cream-muted:#c8bfb0;
  --ember:      #d4703a;
  --ember-glow: rgba(212, 112, 58, 0.15);
  --gold:       #e8c47a;
  --gold-muted: rgba(232, 196, 122, 0.3);
  --text:       #f0ebe3;
  --text-muted: #8c8278;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans:  'Satoshi', 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Noise texture overlay ─────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Nav ───────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(16, 15, 13, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 12px var(--ember);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.nav-cta {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--cream-muted);
  padding: 8px 20px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.nav-cta:hover {
  border-color: var(--ember);
  color: var(--cream);
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 40px 100px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(212,112,58,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1.08;
  color: var(--cream);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.hero-headline em {
  font-style: italic;
  color: var(--ember);
}

.hero-subhead {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--cream-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 52px;
}

/* ── Waitlist form ─────────────────────────────────────── */
.waitlist-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  flex-wrap: wrap;
}

.waitlist-input {
  flex: 1;
  min-width: 240px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease;
}

.waitlist-input::placeholder { color: var(--text-muted); }

.waitlist-input:focus {
  border-color: var(--ember);
  box-shadow: 0 0 0 3px var(--ember-glow);
}

.waitlist-btn {
  background: var(--ember);
  border: none;
  border-radius: 6px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  letter-spacing: 0.01em;
}

.waitlist-btn:hover {
  background: #c0612e;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(212,112,58,0.35);
}

.waitlist-btn:active { transform: translateY(0); }

.waitlist-promise {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-success {
  display: none;
  margin-top: 16px;
  padding: 14px 20px;
  background: rgba(232,196,122,0.08);
  border: 1px solid var(--gold-muted);
  border-radius: 6px;
  color: var(--gold);
  font-size: 0.9rem;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.hero-stat-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--cream);
  line-height: 1;
  display: block;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Section base ─────────────────────────────────────── */
.section {
  padding: 100px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
  margin: 0 40px;
  max-width: calc(100% - 80px);
}

/* ── Founder section ──────────────────────────────────── */
.founder {
  background: var(--bg-warm);
  padding: 100px 40px;
  position: relative;
  overflow: hidden;
}

.founder::before {
  content: '"';
  position: absolute;
  top: 40px; left: 60px;
  font-family: var(--font-serif);
  font-size: 12rem;
  color: var(--ember);
  opacity: 0.06;
  line-height: 1;
  pointer-events: none;
}

.founder-inner {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 80px;
  align-items: start;
}

.founder-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ember);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.founder-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.35;
  color: var(--cream);
  margin-bottom: 32px;
  font-style: italic;
}

.founder-body {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--cream-muted);
}

.founder-body p + p { margin-top: 16px; }

.founder-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  position: sticky;
  top: 100px;
}

.founder-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ember) 0%, var(--gold) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--bg);
  margin-bottom: 16px;
  font-style: italic;
}

.founder-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--cream);
  margin-bottom: 4px;
}

.founder-role {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.founder-tag-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--cream-muted);
}

/* ── How it works ─────────────────────────────────────── */
.how-heading-wrap {
  text-align: center;
  margin-bottom: 72px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ember);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-label::before, .section-label::after {
  content: '';
  display: block;
  width: 24px; height: 1px;
  background: var(--ember);
  opacity: 0.5;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--cream);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--cream-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  background: var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.how-step {
  background: var(--bg-card);
  padding: 40px 32px;
  position: relative;
  transition: background 0.2s ease;
}

.how-step:hover { background: var(--surface); }

.step-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--ember);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 20px;
  font-style: italic;
}

.step-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  display: block;
}

.step-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--cream);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--cream-muted);
  line-height: 1.65;
}

.how-future-note {
  margin-top: 32px;
  padding: 20px 28px;
  background: rgba(232,196,122,0.05);
  border: 1px solid var(--gold-muted);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--gold);
}

/* ── Languages ────────────────────────────────────────── */
.languages {
  background: var(--bg-warm);
  padding: 100px 40px;
}

.languages-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 56px;
}

.lang-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  transition: all 0.25s ease;
  cursor: default;
  position: relative;
  overflow: hidden;
}

.lang-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, var(--ember-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.lang-card:hover {
  border-color: rgba(212,112,58,0.35);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.lang-card:hover::after { opacity: 1; }

.lang-card.featured { border-color: rgba(212,112,58,0.35); }

.lang-flag {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.lang-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--cream);
  margin-bottom: 4px;
}

.lang-speakers {
  font-size: 0.78rem;
  color: var(--ember);
  font-weight: 600;
  margin-bottom: 8px;
}

.lang-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.lang-badge {
  display: inline-block;
  background: rgba(212,112,58,0.15);
  border: 1px solid rgba(212,112,58,0.3);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.7rem;
  color: var(--ember);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 12px;
}

.lang-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 40px 0 16px;
}

/* ── Universal truth ─────────────────────────────────── */
.truth {
  padding: 100px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.truth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.truth-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--cream);
  line-height: 1.2;
  margin-bottom: 24px;
}

.truth-headline em {
  font-style: italic;
  color: var(--ember);
}

.truth-body {
  font-size: 1rem;
  color: var(--cream-muted);
  line-height: 1.8;
}

.truth-body p + p { margin-top: 16px; }

.pattern-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pattern-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--ember);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
  position: relative;
}

.pattern-place {
  font-size: 0.75rem;
  color: var(--ember);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.pattern-text {
  font-size: 0.9rem;
  color: var(--cream-muted);
  line-height: 1.55;
}

/* ── Closing CTA ─────────────────────────────────────── */
.cta-section {
  background: var(--bg-warm);
  padding: 120px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  bottom: -200px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(212,112,58,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .section-title {
  max-width: 600px;
  margin: 0 auto 16px;
}

.cta-section .section-subtitle {
  margin-bottom: 48px;
}

.cta-form-wrap {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.cta-form-wrap .waitlist-form { max-width: 460px; width: 100%; }

.cta-principle {
  margin-top: 24px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Footer ──────────────────────────────────────────── */
.footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: gap;
  gap: 20px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--cream-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.footer-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--cream-muted); }

/* ── Scroll animations ───────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .hero { padding: 120px 20px 80px; }
  .section { padding: 72px 20px; }
  .founder { padding: 72px 20px; }
  .founder-inner { grid-template-columns: 1fr; gap: 48px; }
  .founder-card { position: static; }
  .languages { padding: 72px 20px; }
  .truth { padding: 72px 20px; }
  .truth-grid { grid-template-columns: 1fr; gap: 48px; }
  .cta-section { padding: 80px 20px; }
  .footer { padding: 32px 20px; flex-direction: column; align-items: flex-start; }
  .how-steps { grid-template-columns: 1fr; background: transparent; gap: 16px; }
  .how-step { border-radius: 10px; border: 1px solid var(--border); }
  .waitlist-form { flex-direction: column; }
  .hero-stats { gap: 24px; }
}