/* Public pages: home, terms, privacy, refund, contact. Same palette as the app. */
:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #0a0a0a;
  --text-2: #555555;
  --muted: #8a8a8a;
  --border: #e4e4e2;
  --soft: #efefed;
  --accent: #0a0a0a;
  --accent-text: #ffffff;
  --ok: #15803d;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --surface: #141414;
    --text: #f0f0f0;
    --text-2: #b0b0b0;
    --muted: #7a7a7a;
    --border: #262626;
    --soft: #1c1c1c;
    --accent: #f0f0f0;
    --accent-text: #0a0a0a;
    --ok: #4ade80;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-head { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.site-head .wrap { display: flex; align-items: center; gap: 1.5rem; height: 64px; }
.brand { display: flex; align-items: center; gap: 0.55rem; font-weight: 700; font-size: 1.05rem; text-decoration: none; letter-spacing: -0.2px; }
.brand-mark { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; background: var(--accent); color: var(--accent-text); font-size: 0.9rem; }
.site-nav { display: flex; gap: 1.25rem; margin-left: auto; font-size: 0.92rem; }
.site-nav a { text-decoration: none; color: var(--text-2); }
.site-nav a:hover { color: var(--text); }
.head-actions { display: flex; gap: 0.5rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem; padding: 0.6rem 1.1rem; border-radius: 10px; font: inherit; font-weight: 600; font-size: 0.92rem; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: transform 0.12s ease, background 0.15s ease; white-space: nowrap; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-primary:hover { opacity: 0.9; }
.btn-ghost { border-color: var(--border); background: var(--surface); color: var(--text); }
.btn-ghost:hover { background: var(--soft); }
.btn-lg { padding: 0.8rem 1.4rem; font-size: 1rem; }

/* Hero */
.hero { padding: 88px 0 64px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.3rem 0.75rem; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); font-size: 0.82rem; color: var(--text-2); margin-bottom: 1.25rem; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.1; letter-spacing: -1.2px; margin: 0 auto 1.1rem; max-width: 820px; }
.hero p.lead { font-size: clamp(1.02rem, 2vw, 1.2rem); color: var(--text-2); max-width: 680px; margin: 0 auto 2rem; }
.hero-cta { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 1rem; font-size: 0.85rem; color: var(--muted); }

/* Product preview */
.preview { margin: 56px auto 0; max-width: 860px; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.25); overflow: hidden; text-align: left; }
.preview-bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.preview-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--soft); border: 1px solid var(--border); }
.preview-body { display: grid; grid-template-columns: 1fr 1.3fr; }
.preview-list { border-right: 1px solid var(--border); padding: 10px; display: flex; flex-direction: column; gap: 6px; }
.preview-item { padding: 10px 12px; border-radius: 10px; font-size: 0.85rem; }
.preview-item.active { background: var(--soft); }
.preview-item b { display: block; font-size: 0.88rem; }
.preview-item small { color: var(--muted); }
.preview-mail { padding: 18px 20px; font-size: 0.88rem; color: var(--text-2); }
.preview-mail .subj { color: var(--text); font-weight: 600; margin-bottom: 10px; }
.preview-mail .tag { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.75rem; padding: 0.15rem 0.55rem; border-radius: 999px; background: var(--soft); color: var(--text-2); margin-bottom: 12px; }

/* Sections */
section.block { padding: 72px 0; }
section.block.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 2.5rem; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.6px; margin: 0 0 0.6rem; line-height: 1.2; }
.section-head p { color: var(--text-2); margin: 0; }

.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
section.alt .feature { background: var(--bg); }
.feature-icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--soft); margin-bottom: 14px; }
.feature h3 { margin: 0 0 0.4rem; font-size: 1.02rem; }
.feature p { margin: 0; color: var(--text-2); font-size: 0.92rem; }

.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; counter-reset: step; }
.step { position: relative; padding: 22px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--accent-text); font-weight: 700; font-size: 0.85rem; margin-bottom: 12px; }
.step h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.step p { margin: 0; color: var(--text-2); font-size: 0.9rem; }

.promise { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 28px; max-width: 860px; margin: 0 auto; }
.promise li { list-style: none; display: flex; gap: 0.7rem; align-items: flex-start; color: var(--text-2); font-size: 0.95rem; }
.promise li i { color: var(--ok); margin-top: 0.3rem; }
.promise li strong { color: var(--text); }
ul.promise { padding: 0; margin: 0 auto; }

.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--border); padding: 16px 4px; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--muted); font-weight: 400; font-size: 1.2rem; line-height: 1; }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin: 0.6rem 0 0; color: var(--text-2); font-size: 0.95rem; }

.cta-band { text-align: center; padding: 64px 20px; }
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.6px; margin: 0 0 0.6rem; }
.cta-band p { color: var(--text-2); margin: 0 0 1.6rem; }

/* Footer */
.site-foot { border-top: 1px solid var(--border); padding: 36px 0; font-size: 0.88rem; color: var(--text-2); }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: space-between; align-items: flex-start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--text); text-decoration: underline; }
.foot-meta { color: var(--muted); font-size: 0.82rem; }

/* Legal / document pages */
.doc { max-width: 760px; margin: 0 auto; padding: 56px 20px 72px; }
.doc h1 { font-size: clamp(1.9rem, 4vw, 2.5rem); letter-spacing: -0.8px; margin: 0 0 0.4rem; line-height: 1.15; }
.doc .updated { color: var(--muted); font-size: 0.88rem; margin: 0 0 2rem; }
.doc h2 { font-size: 1.2rem; margin: 2.2rem 0 0.6rem; letter-spacing: -0.2px; }
.doc p, .doc li { color: var(--text-2); }
.doc ul { padding-left: 1.2rem; }
.doc li { margin-bottom: 0.35rem; }
.doc strong { color: var(--text); }
.doc .summary { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 1.5rem; }
.doc .summary p { margin: 0.3rem 0; }
.doc table { width: 100%; border-collapse: collapse; font-size: 0.92rem; margin: 0.5rem 0 1rem; }
.doc th, .doc td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; color: var(--text-2); }
.doc th { color: var(--text); font-weight: 600; }
.doc-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 2rem; }
.doc-nav a { font-size: 0.85rem; padding: 0.3rem 0.75rem; border: 1px solid var(--border); border-radius: 999px; text-decoration: none; color: var(--text-2); background: var(--surface); }
.doc-nav a[aria-current="page"] { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

/* Responsive */
@media (max-width: 900px) {
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .site-nav { display: none; }
  .head-actions { margin-left: auto; }
  .head-actions .btn { padding: 0.5rem 0.8rem; font-size: 0.85rem; }
  .hero { padding: 56px 0 40px; }
  .features, .steps, .promise { grid-template-columns: 1fr; }
  .preview-body { grid-template-columns: 1fr; }
  .preview-list { border-right: 0; border-bottom: 1px solid var(--border); }
  section.block { padding: 52px 0; }
}