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

:root {
  --bg: #0b0e17;
  --bg-card: #131825;
  --bg-card-hover: #1a2035;
  --bg-nav: rgba(11, 14, 23, 0.85);
  --border: #1e2640;
  --text: #e4e8f1;
  --text-muted: #8892a8;
  --accent: #8b7df2;
  --accent-light: rgba(139, 125, 242, 0.15);
  --text-on-accent: #ffffff;
  --accent-glow: rgba(139, 125, 242, 0.25);
  --radius: 12px;
  --max-w: 960px;
}

/* ── Light mode overrides ─────────────────────────────────── */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6fa;
    --bg-card: #ffffff;
    --bg-card-hover: #eef0f8;
    --bg-nav: rgba(245, 246, 250, 0.90);
    --border: #d8dce8;
    --text: #1a1d2e;
    --text-muted: #5a6280;
    --accent: #6b5ce7;
    --accent-light: rgba(107, 92, 231, 0.12);
    --text-on-accent: #ffffff;
    --accent-glow: rgba(107, 92, 231, 0.22);
  }
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

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

/* ── Nav ─────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
}

.nav-brand:hover {
  text-decoration: none;
}

.nav-icon {
  font-size: 1.4rem;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ── Hamburger toggle (mobile only) ─────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* Animate to X when open */
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.hero-icon {
  font-size: 4rem;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
  text-decoration: none;
  color: var(--text-on-accent);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  text-decoration: none;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── What's New ──────────────────────────────────────────── */
.whats-new {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.whats-new-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.whats-new h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 48px;
}

.whats-new-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  text-align: left;
}

.whats-new-card {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: background 0.2s;
}

.whats-new-card:hover {
  background: var(--bg-card-hover);
}

.whats-new-card .icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.whats-new-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.whats-new-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.whats-new-card code {
  font-family: "SF Mono", "Menlo", "Monaco", monospace;
  font-size: 0.85em;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 4px;
  padding: 1px 5px;
}

/* ── Features ────────────────────────────────────────────── */
.features {
  padding: 80px 0;
}

.features h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 48px;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: background 0.2s, border-color 0.2s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.feature-card .icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ── How it works ────────────────────────────────────────── */
.how {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.how h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 48px;
}

.steps {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.step {
  flex: 1 1 200px;
  max-width: 260px;
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

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

/* ── CTA ─────────────────────────────────────────────────── */
.cta {
  padding: 80px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.cta h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta p {
  color: var(--text-muted);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

/* ── Legal pages (Privacy / Terms) ───────────────────────── */
.legal {
  padding: 80px 0 60px;
  max-width: 720px;
  margin: 0 auto;
}

.legal h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.legal .last-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
}

.legal p,
.legal li {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.legal ul {
  padding-left: 24px;
  margin-bottom: 12px;
}

.legal li {
  margin-bottom: 6px;
}

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

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

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

  .steps {
    flex-direction: column;
    align-items: center;
  }

  /* Show hamburger, hide inline nav links */
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    list-style: none;
  }

  .nav-links a {
    display: block;
    padding: 12px 24px;
    font-size: 1rem;
  }
}