/* SkillLynk marketing site -- "Verified Signal" tokens.
   Mirrors SkillLynk-Backend's design/tokens.css; see that file for the
   full rationale. This site keeps its own copy rather than a cross-origin
   import, same choice already made for the mobile app's Dart mirror. */

:root {
  --bg: #F3F4F8;
  --surface: #FFFFFF;
  --surface-2: #E9ECF6;
  --border: #DCE0EE;
  --text: #12182B;
  --text-dim: #454F74;
  --text-faint: #767FA0;
  --accent: #B8790A;
  --accent-strong: #8F5D06;
  --on-accent: #14100A;
  --success: #1F7A50;

  --font-display: 'Lexend', system-ui, sans-serif;
  --font-body: 'Public Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --radius-sm: 6px; --radius-md: 12px; --radius-lg: 20px;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12182B;
    --surface: #1B2340;
    --surface-2: #232C4E;
    --border: #2B3560;
    --text: #EDEFF7;
    --text-dim: #A9B2D6;
    --text-faint: #6E77A0;
    --accent: #E3A008;
    --accent-strong: #F5B82E;
    --on-accent: #14100A;
    --success: #3DAE7A;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-body); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; } }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; margin: 0; text-wrap: balance; color: var(--text); }
p { margin: 0; }
a { color: var(--accent-strong); }
@media (prefers-color-scheme: dark) { a { color: var(--accent); } }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-narrow { max-width: 720px; margin: 0 auto; text-align: center; }

.eyebrow {
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent-strong); display: block; margin-bottom: 0.75rem;
}
@media (prefers-color-scheme: dark) { .eyebrow { color: var(--accent); } }

/* ---- header ---- */
.site-header {
  position: sticky; top: 0; z-index: 20; background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px; background: var(--accent);
  display: flex; align-items: center; justify-content: center; flex: none;
}
.brand-mark svg { width: 18px; height: 18px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--text); }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.95rem;
  padding: 12px 22px; border-radius: var(--radius-md); border: none; cursor: pointer;
  text-decoration: none; transition: transform 160ms var(--ease-standard), background 160ms var(--ease-standard);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--text-faint); }

.menu-toggle { display: none; background: none; border: none; color: var(--text); padding: 8px; cursor: pointer; }
.menu-toggle svg { width: 24px; height: 24px; }

/* ---- hero ---- */
.hero { padding: 96px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); letter-spacing: -0.01em; line-height: 1.08; margin-bottom: 20px; }
.hero h1 .accent { color: var(--accent-strong); }
@media (prefers-color-scheme: dark) { .hero h1 .accent { color: var(--accent); } }
.hero p.lede { font-size: 1.15rem; color: var(--text-dim); max-width: 46ch; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }
.hero-note { font-size: 0.85rem; color: var(--text-faint); }

.hero-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: 0 1px 2px rgba(18,24,43,0.04), 0 16px 40px rgba(18,24,43,0.08);
}
.hero-card .card-eyebrow { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 6px; }
.hero-card .card-score { font-family: var(--font-display); font-size: 2.1rem; font-weight: 700; margin-bottom: 18px; }
.hero-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.chip { font-family: var(--font-mono); font-size: 0.75rem; padding: 5px 11px; border-radius: 20px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-dim); }
.chip.gold { color: var(--accent-strong); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
@media (prefers-color-scheme: dark) { .chip.gold { color: var(--accent); } }
.hero-card .bar-row { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 10px; }
.hero-card .bar-track { flex: 1; height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; }
.hero-card .bar-fill { height: 100%; background: var(--accent); border-radius: 3px; }

/* ---- feature grid ---- */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 14px; }
.section-head p { color: var(--text-dim); font-size: 1.05rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.feature-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; height: 100%;
}
.feature-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--surface-2);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--accent-strong);
}
@media (prefers-color-scheme: dark) { .feature-icon { color: var(--accent); } }
.feature-icon svg { width: 22px; height: 22px; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-dim); font-size: 0.95rem; }

/* ---- passport section (dark, always) ---- */
.passport-section { background: #12182B; color: #EDEFF7; border-radius: var(--radius-lg); margin: 0 24px; }
.passport-inner { max-width: 1072px; margin: 0 auto; padding: 72px 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.passport-inner .eyebrow { color: #E3A008; }
.passport-inner h2 { color: #EDEFF7; font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 16px; }
.passport-inner p.lede { color: #A9B2D6; font-size: 1.05rem; margin-bottom: 24px; max-width: 46ch; }
.passport-list { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 12px; }
.passport-list li { display: flex; gap: 10px; color: #C7CEEA; font-size: 0.95rem; }
.passport-list li svg { flex: none; width: 18px; height: 18px; color: #3DAE7A; margin-top: 2px; }

.passport-card { background: #1B2340; border: 1px solid #2B3560; border-radius: var(--radius-lg); padding: 26px; }
.passport-card .card-eyebrow { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: #6E77A0; margin-bottom: 6px; }
.passport-card .card-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: #EDEFF7; margin-bottom: 2px; }
.passport-card .card-role { font-size: 0.9rem; color: #A9B2D6; margin-bottom: 20px; }
.passport-card .score-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 20px; }
.passport-card .score-row .num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: #E3A008; }
.passport-card .score-row .label { font-family: var(--font-mono); font-size: 0.75rem; color: #6E77A0; text-transform: uppercase; letter-spacing: 0.08em; }
.passport-card .strength-row { display: flex; justify-content: space-between; font-size: 0.85rem; color: #C7CEEA; padding: 8px 0; border-top: 1px solid #2B3560; }

/* ---- how it works ---- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-strong);
  display: block; margin-bottom: 12px;
}
@media (prefers-color-scheme: dark) { .step::before { color: var(--accent); } }
.step h3 { font-size: 1.02rem; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 0.92rem; }

/* ---- final CTA ---- */
.cta-section { text-align: center; padding: 96px 0; }
.cta-section h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin-bottom: 16px; }
.cta-section p { color: var(--text-dim); font-size: 1.05rem; max-width: 46ch; margin: 0 auto 32px; }
.store-row { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.store-btn {
  display: flex; align-items: center; gap: 10px; padding: 11px 20px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
  text-decoration: none; color: var(--text);
}
.store-btn svg { width: 22px; height: 22px; flex: none; }
.store-btn .label-small { font-size: 0.68rem; color: var(--text-faint); display: block; }
.store-btn .label-big { font-family: var(--font-display); font-weight: 600; font-size: 0.92rem; }
.store-btn.disabled { opacity: 0.55; pointer-events: none; }

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--border); padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { color: var(--text-dim); font-size: 0.92rem; margin-top: 12px; max-width: 36ch; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { color: var(--text-dim); text-decoration: none; font-size: 0.92rem; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--text-faint); flex-wrap: wrap; gap: 12px; }

/* ---- legal pages ---- */
.legal { padding: 64px 0 96px; }
.legal .legal-inner { max-width: 720px; margin: 0 auto; }
.legal h1 { font-size: 2rem; margin-bottom: 8px; }
.legal .updated { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-faint); margin-bottom: 40px; display: block; }
.legal h2 { font-size: 1.2rem; margin: 36px 0 12px; }
.legal p, .legal li { color: var(--text-dim); font-size: 0.98rem; line-height: 1.7; }
.legal ul { padding-left: 20px; margin: 12px 0; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--accent-strong); }
@media (prefers-color-scheme: dark) { .legal a { color: var(--accent); } }

/* ---- blog: article ---- */
.article { padding: 56px 0 96px; }
.article-inner { max-width: 700px; margin: 0 auto; }
.article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.article-meta .tag { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-strong); background: var(--surface-2); padding: 4px 10px; border-radius: 20px; }
@media (prefers-color-scheme: dark) { .article-meta .tag { color: var(--accent); } }
.article-meta .meta-text { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-faint); }
.article h1 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); line-height: 1.2; margin-bottom: 24px; }
.article .lede { font-size: 1.1rem; color: var(--text-dim); margin-bottom: 36px; line-height: 1.6; }
.article h2 { font-size: 1.35rem; margin: 40px 0 14px; }
.article h3 { font-size: 1.1rem; margin: 28px 0 10px; }
.article p { color: var(--text); font-size: 1rem; line-height: 1.75; margin-bottom: 18px; }
.article ul, .article ol { padding-left: 22px; margin: 0 0 18px; }
.article li { color: var(--text); font-size: 1rem; line-height: 1.7; margin-bottom: 8px; }
/* :not(.btn) is load-bearing, not decorative -- without it, this rule's
   specificity (0,1,1) beats .btn-primary's (0,1,0) for any CTA button
   living inside article body text, silently overriding its intended
   --on-accent (dark ink) text color with this gold-ish --accent-strong
   instead -- gold text on a gold button, functionally invisible. Every
   blog post's .article-cta button had this bug until found 2026-09-12. */
.article a:not(.btn) { color: var(--accent-strong); }
@media (prefers-color-scheme: dark) { .article a:not(.btn) { color: var(--accent); } }
.article blockquote { margin: 28px 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--accent); color: var(--text-dim); font-style: italic; font-size: 1.05rem; }
.article-cta { margin-top: 48px; padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); text-align: center; }
.article-cta p { margin-bottom: 16px; color: var(--text-dim); }
.article-back { display: inline-block; margin-bottom: 32px; color: var(--text-faint); text-decoration: none; font-size: 0.9rem; }
.article-back:hover { color: var(--text); }

/* ---- blog: index ---- */
.blog-index { padding: 72px 0 96px; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; margin-top: 40px; }
.post-card { display: block; text-decoration: none; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; color: inherit; }
.post-card:hover { border-color: var(--text-faint); }
.post-card .tag { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-strong); }
@media (prefers-color-scheme: dark) { .post-card .tag { color: var(--accent); } }
.post-card h3 { font-size: 1.15rem; margin: 10px 0 10px; color: var(--text); }
.post-card p { color: var(--text-dim); font-size: 0.92rem; line-height: 1.6; margin: 0; }
.post-card .meta-text { display: block; margin-top: 16px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); }

/* ---- responsive ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-2, .grid-4, .steps { grid-template-columns: 1fr; }
  .passport-inner { grid-template-columns: 1fr; padding: 48px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}