:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --fg: #1a1a1e;
  --fg-soft: #55555f;
  --accent: #3b5bdb;
  --accent-fg: #ffffff;
  --border: #e2e2e8;
  --card: #ffffff;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 8px 24px rgba(0,0,0,.05);
  --radius: 14px;
  --maxw: 1040px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e12; --bg-alt: #16161c; --fg: #f2f2f5; --fg-soft: #a0a0ac;
    --accent: #6d8bff; --border: #26262f; --card: #17171e;
    --shadow: 0 1px 3px rgba(0,0,0,.5), 0 8px 24px rgba(0,0,0,.4);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--fg); background: var(--bg);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; }
a { color: var(--accent); text-decoration: none; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.03em; color: var(--fg); }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--fg-soft); font-size: .95rem; }
.nav-links a:hover { color: var(--fg); }

/* Buttons */
.btn { display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; transition: transform .08s ease, opacity .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--border); }
.btn-small { padding: 7px 16px; background: var(--accent); color: var(--accent-fg); border-radius: 999px; }
.btn .sub { font-size: .72rem; font-weight: 500; opacity: .85; }

/* Hero */
.hero { padding: 96px 0 72px; text-align: center; background:
  radial-gradient(1200px 400px at 50% -10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent); }
.hero h1 { font-size: clamp(2.8rem, 7vw, 5rem); margin: 0 0 12px; }
.tagline { font-size: clamp(1.15rem, 3vw, 1.6rem); color: var(--fg-soft); margin: 0 0 34px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.req-note { margin-top: 22px; color: var(--fg-soft); font-size: .9rem; }

/* Sections */
section { padding: 72px 0; }
section h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin: 0 0 14px; text-align: center; }
.section-sub { text-align: center; color: var(--fg-soft); max-width: 640px; margin: 0 auto 40px; }
.privacy { background: var(--bg-alt); text-align: center; }
.privacy p { max-width: 680px; margin: 0 auto; font-size: 1.1rem; color: var(--fg-soft); }

/* Pricing */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 820px; margin: 0 auto; }
.tier { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 24px; text-align: center; box-shadow: var(--shadow); }
.tier-featured { border-color: var(--accent); transform: scale(1.03); }
.tier h3 { margin: 0 0 8px; font-size: 1.2rem; }
.price { font-size: 2.6rem; font-weight: 700; margin: 8px 0 2px; }
.tier-detail { color: var(--fg-soft); margin: 0 0 20px; }
.buy-note { text-align: center; color: var(--fg-soft); max-width: 620px; margin: 32px auto 0; font-size: .92rem; }

/* Comparison */
.compare { background: var(--bg-alt); }
.table-scroll { overflow-x: auto; max-width: 820px; margin: 0 auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
th, td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); }
thead th { background: color-mix(in srgb, var(--accent) 12%, var(--card)); font-size: .95rem; }
tbody td:first-child { color: var(--fg-soft); }
tr:last-child td { border-bottom: none; }
.fine-print { text-align: center; color: var(--fg-soft); font-size: .82rem; margin-top: 18px; }

/* Screenshots */
.shot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.shot-ph { aspect-ratio: 4 / 3; border-radius: var(--radius); border: 1px dashed var(--border);
  background: linear-gradient(135deg, var(--bg-alt), var(--card)); }
figure { margin: 0; }
figcaption { text-align: center; color: var(--fg-soft); font-size: .9rem; margin-top: 10px; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; max-width: 860px; margin: 0 auto; }
.faq-item h3 { margin: 0 0 6px; font-size: 1.08rem; }
.faq-item p { margin: 0; color: var(--fg-soft); }

/* Footer */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); text-align: center; padding: 48px 0; }
.footer p { color: var(--fg-soft); margin: 8px 0 0; }
.copyright { font-size: .85rem; }

@media (max-width: 720px) {
  .nav-links a:not(.btn) { display: none; }
  .tiers, .shot-grid, .faq-grid { grid-template-columns: 1fr; }
  .tier-featured { transform: none; }
  section { padding: 56px 0; }
}