/* LifeFlow marketing site — self-contained, no external dependencies. */
:root {
  --bg: #0b0d13;
  --bg-elev: #12151d;
  --bg-card: #161a24;
  --border: #232838;
  --text: #e7e9f0;
  --muted: #a2a8bd;
  --primary: #8b8cf0;
  --primary-strong: #6d6ee8;
  --success: #37d399;
  --radius: 14px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 13, 19, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; }
.nav { display: flex; gap: 26px; align-items: center; }
.nav a { color: var(--muted); font-size: 15px; }
.nav a:hover { color: var(--text); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.05s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary-strong); color: #fff; }
.btn-primary:hover { background: var(--primary); color: #fff; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--muted); }

/* Sections */
section { padding: 72px 0; border-bottom: 1px solid var(--border); }
.eyebrow { color: var(--primary); font-weight: 600; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 12px; }
h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -0.02em; }
h2 { font-size: clamp(26px, 3.4vw, 34px); margin: 0 0 14px; letter-spacing: -0.01em; }
h3 { font-size: 18px; margin: 0 0 8px; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 640px; }
.muted { color: var(--muted); }

/* Hero */
.hero { padding: 96px 0 84px; text-align: left; border-bottom: 1px solid var(--border); }
.hero-cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 14px; color: var(--muted); }

/* Product */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 8px;
}
.product-head { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.product-badge {
  font-size: 12px; font-weight: 600; color: var(--success);
  border: 1px solid rgba(55, 211, 153, 0.4); background: rgba(55, 211, 153, 0.08);
  padding: 3px 10px; border-radius: 999px;
}
.feature-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 28px; margin-top: 24px;
}
.feature { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.feature .check { color: var(--success); flex-shrink: 0; margin-top: 2px; }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.price-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; display: flex; flex-direction: column;
}
.price-card.featured { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.price-card .tier { font-weight: 700; font-size: 16px; }
.price-card .amount { font-size: 30px; font-weight: 700; margin: 12px 0 2px; }
.price-card .cadence { color: var(--muted); font-size: 14px; }
.price-card .note { color: var(--primary); font-size: 12px; font-weight: 600; margin-top: 6px; min-height: 16px; }
.price-card .tier-desc { color: var(--muted); font-size: 14px; margin-top: 12px; }
.pricing-fine { margin-top: 20px; font-size: 14px; color: var(--muted); }

/* About / disclaimer */
.disclaimer {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; font-size: 14px; color: var(--muted); margin-top: 22px;
}

/* Contact */
.contact-box { margin-top: 18px; }
.contact-box a { font-size: 18px; font-weight: 600; }

/* Footer */
.site-footer { padding: 40px 0; border-bottom: none; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }

/* Legal pages */
.legal { max-width: 760px; }
.legal h1 { font-size: 34px; }
.legal h2 { font-size: 20px; margin-top: 32px; }
.legal p, .legal li { color: var(--muted); }
.legal .updated { font-size: 14px; color: var(--muted); margin-bottom: 28px; }
.back-link { display: inline-block; margin-bottom: 24px; font-size: 14px; }

/* Guides / articles */
.article { max-width: 760px; }
.article h1 { font-size: clamp(28px, 4vw, 38px); line-height: 1.15; margin: 0 0 14px; }
.article h2 { font-size: 22px; margin-top: 38px; margin-bottom: 10px; }
.article h3 { font-size: 17px; margin-top: 24px; }
.article p, .article li { color: var(--muted); }
.article ul, .article ol { padding-left: 22px; }
.article li { margin: 6px 0; }
.article .lead { color: var(--muted); margin-bottom: 8px; }
.article strong { color: var(--text); }
.article .updated { font-size: 14px; color: var(--muted); margin: 0 0 26px; }

/* Inline + block code (JSON examples). No JS on the site, so purely presentational. */
.article code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 6px; padding: 1px 6px; color: var(--text);
}
.article pre {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; overflow-x: auto; margin: 18px 0; line-height: 1.5;
}
.article pre code { background: none; border: none; padding: 0; font-size: 13px; color: var(--text); }

/* Error callout (quotes the validator's real message) */
.errbox {
  background: rgba(240, 90, 90, 0.08); border: 1px solid rgba(240, 90, 90, 0.35);
  border-radius: 10px; padding: 12px 16px; margin: 18px 0; font-size: 14px; color: var(--text);
}
.errbox code { background: rgba(0, 0, 0, 0.25); }

/* CTA callout to the product */
.cta {
  background: var(--bg-card); border: 1px solid var(--primary); box-shadow: 0 0 0 1px var(--primary);
  border-radius: var(--radius); padding: 22px 24px; margin: 32px 0;
}
.cta h3 { margin: 0 0 8px; color: var(--text); }
.cta p { margin: 0 0 16px; }

/* Guide index cards */
.guide-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 26px; }
.guide-card {
  display: block; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px; color: var(--text);
}
.guide-card:hover { border-color: var(--muted); text-decoration: none; }
.guide-card .g-title { font-weight: 700; font-size: 16px; margin-bottom: 6px; }
.guide-card .g-desc { color: var(--muted); font-size: 14px; }
.related { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.related .eyebrow { margin-bottom: 10px; }

@media (max-width: 620px) {
  .guide-list { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .price-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  section { padding: 56px 0; }
  .nav { gap: 16px; }
  .nav a.nav-hide { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
}