/* LifePilot shared stylesheet — used by all pages beyond the homepage.
   Homepage (index.html) keeps its own inline styles untouched by design. */
:root {
  --background: #0a0a0a;
  --primary: #ffffff;
  --border: #262626;
  --secondary: #a0a0a0;
  --tertiary: #7a7a7a;
  --card: #111111;
  --surface: #171717;
  --accent: #c4a882;
  --accent-strong: #d4a853;
  --accent-soft: #2a241c;
  --dark-brown: #1c0f07;
  --font-display: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --text-caption: 0.75rem;
  --text-small: 0.875rem;
  --text-body: 1rem;
  --text-lead: 1.125rem;
  --text-subhead: clamp(1.5rem, 2.4vw, 2.25rem);
  --text-card-title: 1.375rem;
  --text-section: clamp(2.25rem, 4.4vw, 3.5rem);
  --text-display: clamp(2.5rem, 6vw, 4.25rem);
  --z-sticky: 10;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--background);
  color: var(--primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
a:not(.button) {
  transition: color 180ms ease-out, text-decoration-color 180ms ease-out;
  text-decoration-color: transparent;
  text-underline-offset: 0.18em;
}
a:not(.button):hover, a:not(.button):focus-visible {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: currentColor;
}

.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.container-narrow { width: min(760px, calc(100% - 40px)); margin: 0 auto; }

.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: color-mix(in oklch, var(--background) 88%, var(--surface));
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 16px; flex-wrap: wrap; padding: 10px 0; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.125rem; font-weight: 700; letter-spacing: -0.025em; }
.logo:hover, .logo:focus-visible { color: var(--primary); text-decoration: none; }
.logo-mark { display: block; width: 32px; height: 32px; border-radius: 8px; object-fit: cover; }

.nav-links { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--text-small); font-weight: 500; color: var(--secondary); }
.nav-links a:hover, .nav-links a:focus-visible, .nav-links a[aria-current="page"] { color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--accent);
  border-radius: 12px;
  background: var(--accent);
  color: var(--background);
  font-size: var(--text-small);
  font-weight: 600;
  letter-spacing: -0.01em;
  box-shadow: 0 10px 28px color-mix(in oklch, var(--accent) 22%, transparent);
  transition: background 180ms ease-out, border-color 180ms ease-out, color 180ms ease-out, box-shadow 180ms ease-out, transform 180ms ease-out;
}
.button:hover, .button:focus-visible {
  background: var(--primary); border-color: var(--primary); color: var(--background);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 28%, transparent);
}
.button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.button:active { transform: translateY(1px); }
.button-secondary { background: var(--surface); color: var(--primary); border-color: var(--border); box-shadow: none; }
.button-secondary:hover, .button-secondary:focus-visible { background: var(--surface); border-color: var(--accent); }

.breadcrumbs { padding: 18px 0 0; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; font-size: var(--text-small); color: var(--tertiary); }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 6px; color: var(--border); }
.breadcrumbs a { color: var(--secondary); }
.breadcrumbs a:hover, .breadcrumbs a:focus-visible { color: var(--accent); }
.breadcrumbs [aria-current="page"] { color: var(--secondary); }

.page-hero { padding: 56px 0 48px; border-bottom: 1px solid var(--border); }
.page-eyebrow { display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: var(--text-caption); font-weight: 500; letter-spacing: 0.02em; }
h1 { margin: 20px 0 0; font-size: var(--text-display); font-weight: 800; line-height: 1.04; letter-spacing: -0.03em; text-wrap: balance; max-width: 820px; }
.page-lede { max-width: 680px; margin-top: 18px; color: var(--secondary); font-size: var(--text-lead); line-height: 1.62; text-wrap: pretty; }
.page-hero .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

main h2 { margin: 0 0 14px; font-size: var(--text-section); font-weight: 700; line-height: 1.08; letter-spacing: -0.03em; text-wrap: balance; }
main h3 { margin: 0 0 10px; font-size: var(--text-card-title); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }
main p { color: var(--secondary); font-size: var(--text-body); line-height: 1.65; }
main p.lead { font-size: var(--text-lead); color: var(--secondary); }
main a:not(.button) { color: var(--primary); text-decoration: underline; text-decoration-color: color-mix(in oklch, var(--accent) 60%, transparent); }
main a:not(.button):hover { color: var(--accent); }
main ul, main ol { color: var(--secondary); line-height: 1.65; padding-left: 1.25em; }
main li { margin-bottom: 8px; }

.section { padding: 64px 0; border-bottom: 1px solid var(--border); }
.section:last-of-type { border-bottom: 0; }
.section-header { margin-bottom: 32px; max-width: 720px; }
.section-label { display: block; margin-bottom: 10px; color: var(--accent); font-size: var(--text-small); font-weight: 600; letter-spacing: 0.02em; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { padding: 26px; border: 1px solid var(--border); background: var(--card); }
.card h3 { margin-top: 0; }
.card p { margin-top: 10px; }

.step-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); border: 1px solid color-mix(in oklch, var(--accent) 28%, var(--border)); background: var(--card); }
.step { padding: 28px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.step-number { color: var(--accent); font-size: var(--text-caption); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.step h3 { margin-top: 20px; }
.step p { margin-top: 10px; }

.example-box { padding: 24px; border: 1px solid color-mix(in oklch, var(--accent) 34%, var(--border)); background: var(--card); }
.example-box h3 { margin-top: 0; color: var(--accent); }
.example-list { display: grid; gap: 10px; margin: 16px 0 0; padding: 0; list-style: none; }
.example-list li { padding: 10px 0; border-top: 1px solid var(--border); color: var(--secondary); font-size: var(--text-small); }

table.compare-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
table.compare-table caption { text-align: left; color: var(--tertiary); font-size: var(--text-caption); margin-bottom: 10px; }
table.compare-table th, table.compare-table td { padding: 12px 14px; border: 1px solid var(--border); text-align: left; font-size: var(--text-small); color: var(--secondary); }
table.compare-table th { color: var(--primary); background: var(--surface); }
.table-scroll { overflow-x: auto; }

.faq-list { display: grid; max-width: 760px; gap: 0; }
.faq-item { border-top: 1px solid var(--border); }
.faq-item:last-child { border-bottom: 1px solid var(--border); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 44px; padding: 20px 0; cursor: pointer; list-style: none; font-size: var(--text-lead); font-weight: 600; letter-spacing: -0.02em; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; flex: none; color: var(--accent); font-size: 1.5rem; line-height: 1; transition: transform 220ms ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover, .faq-item summary:focus-visible { color: var(--accent); }
.faq-item summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.faq-item p { max-width: 65ch; padding: 0 0 22px; color: var(--secondary); }

.app-badge { display: inline-flex; align-items: center; gap: 12px; min-height: 52px; padding: 8px 20px 8px 16px; border: 1px solid var(--primary); border-radius: 12px; background: var(--primary); color: var(--background); transition: background 180ms ease-out, border-color 180ms ease-out, box-shadow 180ms ease-out; }
.app-badge:hover, .app-badge:focus-visible { color: var(--background); text-decoration: none; background: var(--accent); border-color: var(--accent); box-shadow: 0 10px 28px color-mix(in oklch, var(--accent) 26%, transparent); }
.app-badge:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.app-badge svg { width: 24px; height: 24px; flex: none; }
.app-badge-text { display: grid; line-height: 1.15; text-align: left; }
.app-badge-text small { font-size: 0.6875rem; font-weight: 500; }
.app-badge-text strong { font-size: 1.1875rem; font-weight: 700; letter-spacing: -0.02em; }

.related-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.related-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--border); border-radius: 999px; font-size: var(--text-small); color: var(--secondary); text-decoration: none; }
.related-links a:hover, .related-links a:focus-visible { border-color: var(--accent); color: var(--accent); }

.final-cta { padding: 80px 0; border-bottom: 1px solid color-mix(in oklch, var(--accent) 24%, var(--border)); text-align: center; background: radial-gradient(circle at 24% 24%, color-mix(in oklch, var(--accent) 18%, transparent), transparent 30%), linear-gradient(135deg, var(--dark-brown), var(--background)); }
.final-cta h2 { font-size: var(--text-display); font-weight: 700; letter-spacing: -0.03em; }
.final-cta .button, .final-cta .app-badge { margin-top: 28px; }
.final-note { margin-top: 14px; color: var(--secondary); font-size: var(--text-small); }

article.post-body { max-width: 720px; }
.post-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 18px; color: var(--tertiary); font-size: var(--text-small); }
.post-toc { margin: 28px 0; padding: 18px 20px; border: 1px solid var(--border); background: var(--card); }
.post-toc p { margin: 0 0 10px; color: var(--primary); font-weight: 600; }
.post-toc ol { margin: 0; padding-left: 1.1em; color: var(--secondary); }
.post-cta { margin: 34px 0; padding: 22px; border: 1px solid color-mix(in oklch, var(--accent) 34%, var(--border)); background: var(--accent-soft); }
.post-cta p { color: var(--primary); margin: 0 0 12px; }

.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.blog-card { padding: 24px; border: 1px solid var(--border); background: var(--card); }
.blog-card .post-meta { margin-top: 6px; }
.blog-card h3 { margin-top: 12px; }
.blog-card h3 a { color: var(--primary); text-decoration: none; }
.blog-card h3 a:hover { color: var(--accent); }

.legal-note { margin: 0 0 28px; padding: 16px 18px; border: 1px solid color-mix(in oklch, var(--accent-strong) 40%, var(--border)); background: var(--accent-soft); color: var(--primary); font-size: var(--text-small); }
.legal-note strong { color: var(--accent-strong); }

.footer { padding: 34px 0 44px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; justify-content: space-between; color: var(--secondary); font-size: var(--text-small); }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; list-style: none; margin: 0; padding: 0; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

@media (max-width: 640px) {
  .page-hero { padding: 40px 0 36px; }
  .section { padding: 44px 0; }
  .step, .card { padding: 20px; }
  .nav-inner { min-height: 60px; }
  .button, .app-badge { width: 100%; justify-content: center; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}