:root {
  --bg:        #FFFFFF;
  --surface:   #FFFFFF;
  --text:      #111827;
  --muted:     #6B7280;
  --border:    #E5E7EB;

  /* Accent — flat red */
  --accent:    #DC2626;
  --accent-h:  #B91C1C;
  --accent-bg: #FEF2F2;

  /* Feature card colours */
  --card-1-bg: #EEF2FF;
  --card-1-ic: #4F46E5;
  --card-2-bg: #FFF7ED;
  --card-2-ic: #EA580C;
  --card-3-bg: #F0FDF4;
  --card-3-ic: #16A34A;

  /* Success */
  --success-bg: #F0FDF4;
  --success-ic: #16A34A;

  --serif: Georgia, 'Times New Roman', serif;
  --sans:  'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

/* ── Nav ───────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background 0.15s ease;
}
.nav-cta:hover { background: var(--accent-h); }
.nav-cta:active { opacity: 0.9; }

/* ── Hero ──────────────────────────────────────────── */
.hero {
  padding: 96px 24px 88px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(220, 38, 38, 0.05) 0%, transparent 70%);
  pointer-events: none;
}
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid rgba(220, 38, 38, 0.2);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--text);
  max-width: 680px;
  margin: 0 auto 20px;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.65;
}
.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 10px;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background 0.15s ease, transform 0.12s ease;
}
.hero-btn:hover {
  background: var(--accent-h);
  transform: translateY(-1px);
}
.hero-btn:active { transform: translateY(0); }
.hero-btn svg { flex-shrink: 0; }

/* ── Divider ───────────────────────────────────────── */
.divider {
  width: 48px;
  height: 2px;
  background: var(--border);
  margin: 0 auto;
}

/* ── Features ──────────────────────────────────────── */
.features {
  padding: 80px 24px;
}
.features-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
}
.feature {
  text-align: center;
  padding: 36px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.07);
}
.feature:nth-child(1) { background: var(--card-1-bg); border-color: transparent; }
.feature:nth-child(2) { background: var(--card-2-bg); border-color: transparent; }
.feature:nth-child(3) { background: var(--card-3-bg); border-color: transparent; }
.feature:nth-child(1) .feature-icon { color: var(--card-1-ic); }
.feature:nth-child(2) .feature-icon { color: var(--card-2-ic); }
.feature:nth-child(3) .feature-icon { color: var(--card-3-ic); }
.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
}
.feature h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: var(--text);
}
.feature p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ── Mobile apps ──────────────────────────────────────── */
.apps-section {
  padding: 64px 24px;
  text-align: center;
}
.apps-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}
.apps-buttons {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  cursor: default;
  opacity: 0.6;
  pointer-events: none;
  min-width: 180px;
}
.store-btn-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--text);
}
.store-btn-text {
  text-align: left;
}
.store-btn-sub {
  display: block;
  font-size: 0.65rem;
  color: var(--muted);
  line-height: 1.2;
  margin-bottom: 1px;
  font-weight: 400;
}
.store-btn-name {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
}
.wip-badge {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--muted);
  background: #F3F4F6;
  border-radius: 100px;
  padding: 4px 12px;
}

/* ── Demo form ─────────────────────────────────────── */
.demo-section {
  padding: 80px 24px 96px;
  text-align: center;
}
.demo-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  box-shadow: 0 2px 24px rgba(44, 26, 14, 0.06);
}
.demo-card h2 {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 10px;
}
.demo-card p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 28px;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.form-row input[type="email"] {
  width: 100%;
  padding: 13px 16px;
  font-size: 0.95rem;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-row input[type="email"]::placeholder { color: #B5A396; }
.form-row input[type="email"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}
.form-row button {
  width: 100%;
  padding: 13px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--sans);
  letter-spacing: 0.01em;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.12s ease;
}
.form-row button:hover {
  background: var(--accent-h);
  transform: translateY(-1px);
}
.form-row button:active { transform: translateY(0); }

/* ── Success state ─────────────────────────────────── */
.success-card {
  background: var(--success-bg);
  border: 1px solid rgba(22, 163, 74, 0.2);
  border-radius: 12px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.success-card svg { color: var(--success-ic); }
.success-card strong {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--text);
}
.success-card span {
  font-size: 0.875rem;
  color: var(--muted);
}

/* ── Footer ────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.01em;
}

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 640px) {
  .features-inner {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .demo-card {
    padding: 36px 24px;
  }
  .hero h1 { letter-spacing: -0.02em; }
}