/* Added — Landing page */
:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --text-muted: #a3a3a3;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --radius: 12px;
  --font: 'DM Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

/* Hero */
.hero {
  padding: 80px 0 100px;
  text-align: center;
}

.hero-inner {
  max-width: 640px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 999px;
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Sections */
.section {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
  text-align: center;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--primary);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: var(--radius);
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary);
}

.feature-icon svg {
  flex-shrink: 0;
}

.feature-card:hover .feature-icon {
  background: rgba(99, 102, 241, 0.18);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* How it works */
.steps {
  max-width: 480px;
  margin: 0 auto;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding-left: 48px;
  padding-bottom: 24px;
  color: var(--text-muted);
}

.steps li:last-child {
  padding-bottom: 0;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
}

.steps strong {
  color: var(--text);
}

/* CTA / Download */
.cta {
  text-align: center;
  padding: 80px 0;
}

.cta-inner p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}

.store-badge {
  display: inline-block;
  padding: 14px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: border-color 0.2s, background 0.2s;
}

.store-badge:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
}

.cta-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Waitlist form */
.waitlist-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 420px;
  margin: 0 auto 16px;
}

.waitlist-input {
  flex: 1;
  min-width: 200px;
  padding: 14px 18px;
  font-size: 1rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}

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

.waitlist-input:focus {
  border-color: var(--primary);
}

.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;
}

/* Waitlist success state */
.waitlist-success {
  display: none;
  text-align: center;
  padding: 24px 0;
}

.waitlist-success.is-visible {
  display: block;
}

.waitlist-success-icon {
  display: inline-flex;
  color: var(--primary);
  margin-bottom: 20px;
}

.waitlist-success h2 {
  margin-bottom: 8px;
}

.waitlist-success p {
  color: var(--text-muted);
  margin: 0;
}

.waitlist-error {
  text-align: center;
  font-size: 0.9rem;
  color: #f87171;
  margin-top: 12px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer .logo {
  font-weight: 700;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer a:hover {
  color: var(--primary);
}

/* Legal pages (Privacy, Terms) */
.legal {
  padding: 48px 0 80px;
}

.legal .container {
  max-width: 680px;
}

.back-link {
  display: inline-block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  margin-bottom: 32px;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--primary);
}

.legal h1 {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.legal h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal p,
.legal ul {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.legal ul {
  padding-left: 24px;
}

.legal li {
  margin-bottom: 8px;
}

.legal .support-email {
  color: var(--primary);
  font-weight: 500;
}

.legal .support-email:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 640px) {
  .nav a:not(.btn) {
    display: none;
  }

  .hero {
    padding: 48px 0 72px;
  }

  .section {
    padding: 48px 0;
  }
}