/* Alverita marketing pages — shares font / color tokens with styles.css */

@import url('https://fonts.googleapis.com/css2?family=Epilogue:wght@500;600;700;800;900&family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --charcoal: #2e3746;
  --charcoal-900: #1c232e;
  --charcoal-800: #242c38;
  --charcoal-700: #2e3746;
  --charcoal-600: #3a4456;
  --orange: #ee7444;
  --orange-600: #da5a2a;
  --orange-100: #fef0e8;
  --silver-50: #f8f9ff;
  --silver-100: #eef0f6;
  --silver-200: #dde1eb;
  --silver-300: #c5c8d3;
  --silver-400: #96a2b6;
  --silver-500: #6b7689;
  --silver-600: #4a5363;
  --silver-700: #2f3643;
  --ink: #161c23;
  --ink-2: #45474b;
  --font-headline: 'Epilogue', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin:0; padding:0; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--silver-50);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }

.font-headline { font-family: var(--font-headline); letter-spacing: -0.01em; }
.font-mono { font-family: var(--font-mono); }
.label { text-transform: uppercase; letter-spacing: 0.14em; font-weight: 700; font-size: 11px; }
.eyebrow { color: var(--orange); }

.container { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248, 249, 255, 0.88);
  backdrop-filter: saturate(120%) blur(14px);
  -webkit-backdrop-filter: saturate(120%) blur(14px);
  border-bottom: 1px solid rgba(221, 225, 235, 0.7);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 18px 32px;
  display: flex; align-items: center; gap: 36px;
}
.nav-logo img { height: 22px; display: block; }
.nav-links { display: flex; gap: 28px; flex: 1; }
.nav-links a {
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  padding: 6px 0; transition: color 120ms;
}
.nav-links a:hover { color: var(--orange); }
.nav-links a.accent { color: var(--orange); position: relative; }
.nav-links a.accent::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--orange); border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-actions .link { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.nav-actions .link:hover { color: var(--orange); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 10px;
  font-weight: 700; font-size: 14px; white-space: nowrap;
  transition: all 150ms ease-out;
}
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 6px 18px -6px rgba(238,116,68,0.55); }
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost { color: var(--ink-2); border: 1px solid var(--silver-200); background: #fff; }
.btn-ghost:hover { background: var(--silver-100); border-color: var(--silver-300); }
.btn-dark { background: var(--charcoal); color: #fff; }
.btn-dark:hover { background: var(--charcoal-800); }
.btn-outline-light { color: #fff; border: 1px solid rgba(255,255,255,0.25); }
.btn-outline-light:hover { background: rgba(255,255,255,0.08); }

/* ---------- hero ---------- */
.hero { padding: 72px 0 96px; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px;
  align-items: center;
}
.hero-eyebrow-line {
  border-left: 3px solid var(--charcoal);
  padding-left: 18px;
}
.hero h1 {
  margin: 0; font-family: var(--font-headline);
  font-size: clamp(38px, 4.4vw, 58px);
  font-weight: 800; letter-spacing: -0.025em; line-height: 1.02;
}
.hero h1 .orange { color: var(--orange); }
.hero p.lede {
  margin: 22px 0 30px; color: var(--silver-600);
  font-size: 15px; line-height: 1.6; max-width: 440px;
}
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-bold-line { font-weight: 700; color: var(--ink); margin: 18px 0 26px; font-size: 14px; }

/* Hero visual — dark frame with scan-line pattern */
.hero-visual {
  position: relative; aspect-ratio: 4 / 3;
  border-radius: 14px; overflow: hidden;
  background: #0e141c;
  box-shadow: 0 30px 60px -30px rgba(20, 30, 50, 0.45);
}
.hero-visual .scanlines { position: absolute; inset: 0; opacity: 0.85; }
.hero-visual .chip {
  position: absolute; left: 18px; right: 18px; bottom: 18px;
  background: rgba(20, 28, 40, 0.78);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  color: #fff;
}
.hero-visual .chip-eyebrow {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--orange); letter-spacing: 0.12em;
}
.hero-visual .chip-line {
  font-size: 13px; font-weight: 700;
}

/* ---------- section layout ---------- */
.section { padding: 84px 0; }
.section-light { background: var(--silver-100); }
.section-eyebrow { color: var(--orange); font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; }
.section h2 {
  font-family: var(--font-headline);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 800; letter-spacing: -0.02em;
  margin: 10px 0 0;
}
.section-lede { color: var(--silver-600); max-width: 620px; margin: 14px auto 0; text-align: center; font-size: 15px; }
.center { text-align: center; }

/* Feature grid ("Engineered for Learning") */
.feature-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1.25fr 1.25fr 1fr;
  grid-template-rows: auto auto;
  gap: 14px;
}
.feature-card {
  background: #fff; border: 1px solid var(--silver-200);
  border-radius: 14px; padding: 26px 24px;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 180px;
}
.feature-card .glyph { width: 26px; height: 26px; color: var(--orange); }
.feature-card h3 { margin: 2px 0 0; font-family: var(--font-headline); font-size: 19px; font-weight: 800; letter-spacing: -0.01em; }
.feature-card p { margin: 0; color: var(--silver-600); font-size: 13px; line-height: 1.55; }
.feature-card .cta {
  margin-top: auto; font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  color: var(--orange); text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 6px;
}
.feature-card.dark {
  grid-row: 1 / span 2; grid-column: 3;
  background: var(--charcoal-900); color: #fff;
  border-color: var(--charcoal-900);
}
.feature-card.dark h3 { color: #fff; }
.feature-card.dark p { color: rgba(255,255,255,0.62); }
.feature-card.dark .bullets { margin-top: 8px; display: flex; flex-direction: column; gap: 8px; }
.feature-card.dark .bullets li {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  color: rgba(255,255,255,0.7); display: flex; align-items: center; gap: 8px;
}
.feature-card.dark .bullets li::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--orange);
}

/* CTA band */
.cta-band {
  background: var(--charcoal-900);
  border-radius: 18px; padding: 56px 48px;
  position: relative; overflow: hidden;
  color: #fff;
  box-shadow: 0 30px 60px -30px rgba(28,35,46,0.55);
}
.cta-band::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0;
  height: 3px; background: var(--orange);
}
.cta-band h2 { font-size: clamp(26px, 3vw, 38px); margin: 0; text-align: center; color: #fff; }
.cta-band p { margin: 12px auto 26px; text-align: center; color: rgba(255,255,255,0.65); max-width: 520px; }
.cta-band .actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--charcoal-900); color: rgba(255,255,255,0.6); padding: 56px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
.footer-logo img { height: 22px; }
.footer-tagline { margin-top: 10px; font-size: 13px; line-height: 1.6; max-width: 280px; }
.footer-col h4 { color: var(--orange); font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; margin: 0 0 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13px; color: rgba(255,255,255,0.65); }
.footer-col a:hover { color: #fff; }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.08); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.4); }

/* ---------- Experts-page specific ---------- */
.methodology {
  margin-top: 44px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.method-card {
  background: #fff; border: 1px solid var(--silver-200); border-radius: 14px;
  padding: 28px 24px; position: relative; min-height: 200px;
  display: flex; flex-direction: column; gap: 8px;
}
.method-card .num {
  position: absolute; top: 16px; right: 20px;
  font-family: var(--font-headline); font-size: 54px; font-weight: 800;
  color: var(--silver-100); letter-spacing: -0.04em;
}
.method-card .glyph { width: 22px; height: 22px; color: var(--orange); position: relative; z-index: 1; }
.method-card h3 { margin: 4px 0 0; font-family: var(--font-headline); font-size: 18px; font-weight: 800; position: relative; z-index: 1; }
.method-card p { margin: 0; color: var(--silver-600); font-size: 13px; line-height: 1.55; position: relative; z-index: 1; }

/* Mosaic: Expert dashboard + revenue share + AI Generator + Community */
.mosaic {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: auto auto;
  gap: 14px;
}
.mosaic .m1 { grid-column: 1; grid-row: 1; }
.mosaic .m2 { grid-column: 2; grid-row: 1; }
.mosaic .m3 { grid-column: 1; grid-row: 2; }
.mosaic .m4 { grid-column: 2; grid-row: 2; }

.mosaic-card { border-radius: 14px; overflow: hidden; padding: 26px; min-height: 200px; position: relative; display: flex; flex-direction: column; }
.mosaic-dark { background: var(--charcoal-900); color: #fff; }
.mosaic-dark .eyebrow-mono { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--orange); }
.mosaic-dark h3 { font-family: var(--font-headline); font-size: 22px; font-weight: 800; margin: 10px 0 8px; letter-spacing: -0.01em; }
.mosaic-dark p { color: rgba(255,255,255,0.62); font-size: 13px; margin: 0; line-height: 1.55; }
.mosaic-dark .metrics { margin-top: auto; padding-top: 22px; display: flex; gap: 10px; }
.mosaic-dark .metric {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; padding: 8px 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
}
.mosaic-dark .metric strong { color: #fff; display: block; font-size: 14px; letter-spacing: 0; }

.mosaic-orange {
  background: var(--orange); color: #fff;
  display: flex; flex-direction: column; justify-content: space-between;
}
.mosaic-orange .eyebrow-mono { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: rgba(255,255,255,0.85); }
.mosaic-orange .big {
  font-family: var(--font-headline); font-size: 54px; font-weight: 900;
  letter-spacing: -0.03em; margin: 6px 0 0; line-height: 1;
}
.mosaic-orange p { margin: 8px 0 0; font-size: 13px; line-height: 1.55; max-width: 260px; color: rgba(255,255,255,0.9); }
.mosaic-orange h3 { font-family: var(--font-headline); font-size: 20px; font-weight: 800; margin: 14px 0 0; letter-spacing: -0.01em; }

.mosaic-light { background: #fff; border: 1px solid var(--silver-200); }
.mosaic-light .glyph { width: 22px; height: 22px; color: var(--orange); }
.mosaic-light h3 { font-family: var(--font-headline); font-size: 18px; font-weight: 800; margin: 10px 0 6px; letter-spacing: -0.01em; }
.mosaic-light p { margin: 0; color: var(--silver-600); font-size: 13px; line-height: 1.55; }
.mosaic-light .community-chips { margin-top: auto; padding-top: 14px; display: flex; gap: 6px; }
.mosaic-light .chip {
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-headline); font-weight: 800; color: #fff; font-size: 13px;
}
.mosaic-light .chip.a { background: #2e3746; }
.mosaic-light .chip.b { background: #4a5363; }
.mosaic-light .chip.c { background: #6b7689; }
.mosaic-light .chip.d { background: var(--orange); }

/* Responsive */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 56px 0 56px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.dark { grid-column: 1; grid-row: auto; }
  .methodology, .footer-grid, .mosaic { grid-template-columns: 1fr; }
  .mosaic .m1, .mosaic .m2, .mosaic .m3, .mosaic .m4 { grid-column: 1; grid-row: auto; }
  .nav-links { display: none; }
}

/* ==========================================================
 * CATALOG PAGE
 * ========================================================== */

/* Compact hero — reuses vocabulary from main hero but tighter */
.cat-hero {
  padding: 56px 0 36px;
  background: linear-gradient(180deg, var(--silver-50) 0%, #fff 100%);
  border-bottom: 1px solid var(--silver-200);
}
.cat-hero-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cat-hero h1 {
  margin: 0; font-family: var(--font-headline);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800; letter-spacing: -0.025em; line-height: 1.05;
}
.cat-hero .eyebrow-line {
  border-left: 3px solid var(--charcoal);
  padding-left: 16px;
}
.cat-hero p {
  margin: 12px 0 0; color: var(--silver-600); max-width: 560px; font-size: 14px; line-height: 1.55;
}
.cat-hero-actions { display: flex; gap: 10px; }

/* Browse/variation tab strips */
.tab-strip {
  background: #fff;
  border-bottom: 1px solid var(--silver-200);
  position: sticky; top: 61px; /* under the nav */
  z-index: 40;
}
.tab-strip-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  min-height: 54px;
}
.tab-group { display: flex; gap: 0; }
.tab-group button {
  padding: 18px 2px; margin-right: 24px;
  font-size: 13px; font-weight: 600; color: var(--silver-500);
  border-bottom: 2px solid transparent; transition: all 120ms; letter-spacing: 0.01em;
}
.tab-group button:last-child { margin-right: 0; }
.tab-group button.on { color: var(--ink); border-bottom-color: var(--orange); }
.tab-group button:hover:not(.on) { color: var(--ink-2); }

.variation-group {
  display: inline-flex; background: var(--silver-100); border-radius: 10px; padding: 3px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.variation-group button {
  padding: 7px 12px; border-radius: 8px; color: var(--silver-500);
  transition: all 120ms; font-weight: 700;
}
.variation-group button.on { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.variation-group .sep { width: 1px; height: 14px; align-self: center; background: var(--silver-200); margin: 0 2px; }

/* Filter row */
.cat-filters {
  max-width: 1120px; margin: 0 auto; padding: 24px 32px 0;
  display: flex; gap: 24px; align-items: center; flex-wrap: wrap;
}
.cat-search {
  position: relative; flex: 1 1 320px; min-width: 240px;
}
.cat-search input {
  width: 100%; padding: 11px 36px 11px 38px;
  border-radius: 10px; border: 1px solid var(--silver-200);
  background: #fff; font-size: 14px; color: var(--ink);
  outline: none; transition: border-color 120ms, box-shadow 120ms;
}
.cat-search input:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(238,116,68,0.15); }
.cat-search .icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--silver-400); font-size: 14px; pointer-events: none; }
.cat-search .clear {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px; border-radius: 50%; background: var(--silver-200);
  color: var(--silver-600); font-size: 13px;
  display: none; align-items: center; justify-content: center;
}
.cat-search.has-value .clear { display: flex; }

.cat-chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.genre-chip {
  padding: 8px 14px; border-radius: 20px; font-size: 12px; font-weight: 600;
  background: #fff; color: var(--silver-600); border: 1px solid var(--silver-200);
  transition: all 120ms;
}
.genre-chip:hover { background: var(--silver-100); }
.genre-chip.on { background: var(--charcoal); color: #fff; border-color: var(--charcoal); }

.cat-count { max-width: 1120px; margin: 0 auto; padding: 12px 32px 0; color: var(--silver-500); font-size: 12px; }
.cat-count .clear-link { color: var(--orange); font-weight: 700; margin-left: 8px; text-decoration: underline; }

/* Catalog body — variation containers */
.cat-body { padding: 24px 0 80px; }

/* ----- V1 & V2: Card grid ----- */
.cat-grid {
  max-width: 1120px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.cat-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cat-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

/* Poster-style course card (streaming feel) */
.course-card {
  background: #fff; border: 1px solid var(--silver-200);
  border-radius: 12px; overflow: hidden; display: flex; flex-direction: column;
  transition: transform 180ms, box-shadow 180ms, border-color 180ms;
  text-align: left; font-family: inherit; cursor: pointer;
}
.course-card:hover { transform: translateY(-3px); box-shadow: 0 16px 30px -18px rgba(28, 35, 46, 0.3); border-color: var(--silver-300); }
.course-card .cover {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--charcoal-700) 0%, var(--charcoal-900) 100%);
  position: relative; overflow: hidden;
}
.course-card .cover .monogram {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-headline); font-weight: 900; font-size: 84px;
  color: rgba(255,255,255,0.14); letter-spacing: -0.04em;
}
.course-card .cover .hours-badge {
  position: absolute; bottom: 12px; left: 12px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  color: var(--orange); background: rgba(0,0,0,0.45);
  padding: 4px 8px; border-radius: 4px; font-weight: 700;
}
.course-card .body { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.course-card .genre {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--silver-500); font-weight: 700;
}
.course-card .title {
  font-family: var(--font-headline); font-size: 16px; font-weight: 800;
  color: var(--ink); line-height: 1.25; margin: 0;
}
.course-card .expert {
  font-size: 12px; color: var(--silver-600); display: flex; align-items: center; gap: 6px;
}
.course-card .expert .disk {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--charcoal); color: #fff; font-family: var(--font-headline);
  font-weight: 800; font-size: 10px;
  display: inline-flex; align-items: center; justify-content: center;
}
.course-card .tagline {
  font-size: 13px; color: var(--ink-2); line-height: 1.5; margin: 4px 0 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ----- V2: Editorial hero ----- */
.cat-editorial-hero {
  max-width: 1120px; margin: 0 auto 18px; padding: 0 32px;
}
.editorial-hero-card {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0;
  background: var(--charcoal-900); border-radius: 14px; overflow: hidden;
  color: #fff; box-shadow: 0 30px 60px -30px rgba(28,35,46,0.5);
  cursor: pointer;
}
.editorial-hero-card .art {
  aspect-ratio: 1 / 1; position: relative;
  background: linear-gradient(135deg, var(--orange) 0%, #b63d1f 100%);
}
.editorial-hero-card .art .mono {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-headline); font-weight: 900; font-size: 220px;
  color: rgba(255,255,255,0.14); letter-spacing: -0.05em;
}
.editorial-hero-card .art .spine {
  position: absolute; bottom: 18px; left: 18px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  color: rgba(255,255,255,0.85); background: rgba(0,0,0,0.35);
  padding: 5px 10px; border-radius: 4px; font-weight: 700;
}
.editorial-hero-card .copy {
  padding: 44px; display: flex; flex-direction: column; gap: 14px; justify-content: center;
}
.editorial-hero-card .copy .eyebrow-mono {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--orange); font-weight: 700;
}
.editorial-hero-card .copy h2 {
  margin: 0; font-family: var(--font-headline); font-size: 34px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1;
}
.editorial-hero-card .copy .expert-line {
  font-size: 13px; color: rgba(255,255,255,0.7); display: flex; align-items: center; gap: 8px;
}
.editorial-hero-card .copy .expert-line .disk {
  width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,0.12); color: #fff;
  font-family: var(--font-headline); font-weight: 800; font-size: 13px;
  display: inline-flex; align-items: center; justify-content: center;
}
.editorial-hero-card .copy .tagline {
  font-size: 16px; color: rgba(255,255,255,0.85); line-height: 1.5;
}
.editorial-hero-card .copy .actions { margin-top: 10px; display: flex; gap: 10px; }

/* ----- V3: Genre rails ----- */
.cat-rail { max-width: 1120px; margin: 0 auto 32px; padding: 0 32px; }
.cat-rail-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.cat-rail-head h3 {
  margin: 0; font-family: var(--font-headline); font-size: 20px; font-weight: 800; letter-spacing: -0.01em;
}
.cat-rail-head .count { font-size: 11px; color: var(--silver-500); font-family: var(--font-mono); letter-spacing: 0.1em; }
.cat-rail-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(250px, 1fr);
  gap: 14px; overflow-x: auto; padding-bottom: 8px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.cat-rail-track::-webkit-scrollbar { height: 6px; }
.cat-rail-track::-webkit-scrollbar-thumb { background: var(--silver-300); border-radius: 4px; }
.cat-rail-track::-webkit-scrollbar-track { background: transparent; }
.cat-rail-track > * { scroll-snap-align: start; }

/* Interstitial subscribe card (sits inside the grid) */
.subscribe-card {
  grid-column: span 2;
  background: var(--charcoal-900); color: #fff;
  border-radius: 12px; padding: 28px; position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center; gap: 14px;
  border: 1px solid var(--charcoal-900);
}
.subscribe-card::before {
  content: ""; position: absolute; right: -30px; top: -30px;
  width: 160px; height: 160px; border-radius: 50%; background: var(--orange); opacity: 0.12;
}
.subscribe-card .eyebrow-mono {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--orange); font-weight: 700;
  position: relative;
}
.subscribe-card h3 {
  margin: 0; font-family: var(--font-headline); font-size: 22px; font-weight: 800; letter-spacing: -0.01em;
  position: relative;
}
.subscribe-card p {
  margin: 0; color: rgba(255,255,255,0.7); font-size: 13px; line-height: 1.55; position: relative;
}
.subscribe-card .actions { display: flex; gap: 10px; margin-top: 4px; position: relative; }

/* ----- Expert grid ----- */
.expert-grid {
  max-width: 1120px; margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.expert-card {
  background: #fff; border: 1px solid var(--silver-200); border-radius: 12px;
  padding: 24px; display: flex; flex-direction: column; gap: 14px;
  transition: transform 180ms, box-shadow 180ms, border-color 180ms;
  cursor: pointer; text-align: left; font-family: inherit;
}
.expert-card:hover { transform: translateY(-3px); box-shadow: 0 16px 30px -18px rgba(28, 35, 46, 0.3); border-color: var(--silver-300); }
.expert-card .head { display: flex; align-items: center; gap: 14px; }
.expert-card .disk {
  width: 54px; height: 54px; border-radius: 50%;
  background: linear-gradient(135deg, var(--charcoal-700) 0%, var(--charcoal-900) 100%);
  color: #fff; font-family: var(--font-headline); font-weight: 800; font-size: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.expert-card h3 { margin: 0; font-family: var(--font-headline); font-size: 17px; font-weight: 800; letter-spacing: -0.01em; }
.expert-card .area { font-size: 12px; color: var(--silver-500); margin-top: 2px; }
.expert-card .courses-mini {
  display: flex; flex-direction: column; gap: 8px;
}
.expert-card .course-row {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: 8px; background: var(--silver-50);
  font-size: 13px; color: var(--ink-2);
  border: 1px solid var(--silver-100);
}
.expert-card .course-row .row-hours {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  color: var(--orange); font-weight: 700;
}
.expert-card .more { font-size: 11px; color: var(--silver-500); margin-top: 2px; }

/* Empty state */
.cat-empty {
  max-width: 640px; margin: 48px auto; text-align: center;
  background: #fff; border: 1px solid var(--silver-200); border-radius: 14px;
  padding: 44px 32px;
}
.cat-empty .big { font-size: 32px; color: var(--silver-300); margin-bottom: 10px; }
.cat-empty h3 { font-family: var(--font-headline); font-size: 18px; font-weight: 800; margin: 0 0 6px; }
.cat-empty p { margin: 0 0 16px; color: var(--silver-500); font-size: 14px; }

/* Sticky bottom conversion bar */
.sticky-cta {
  position: fixed; left: 20px; right: 20px; bottom: 20px; z-index: 60;
  max-width: 780px; margin: 0 auto;
  background: var(--charcoal-900); color: #fff; border-radius: 14px;
  padding: 14px 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  box-shadow: 0 20px 50px -20px rgba(28,35,46,0.6);
  transform: translateY(140%); transition: transform 280ms ease-out;
  border: 1px solid rgba(255,255,255,0.08);
}
.sticky-cta.on { transform: translateY(0); }
.sticky-cta .msg { font-size: 13px; font-weight: 600; }
.sticky-cta .msg .sub { display: block; color: rgba(255,255,255,0.55); font-weight: 400; font-size: 11px; margin-top: 2px; }
.sticky-cta .acts { display: flex; gap: 8px; }

/* Signup modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(20, 26, 36, 0.55);
  z-index: 100; display: none; align-items: center; justify-content: center;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  padding: 20px;
}
.modal-backdrop.on { display: flex; }
.modal {
  background: #fff; border-radius: 16px; padding: 36px; max-width: 460px; width: 100%;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.3);
  position: relative; animation: modalIn 200ms ease-out;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}
.modal h2 { margin: 0; font-family: var(--font-headline); font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.modal .teaser {
  margin: 6px 0 22px; color: var(--silver-600); font-size: 14px; line-height: 1.55;
}
.modal .teaser .course-name { color: var(--ink); font-weight: 700; }
.modal .actions { display: flex; flex-direction: column; gap: 10px; }
.modal .sep { text-align: center; color: var(--silver-400); font-size: 11px; margin: 8px 0; letter-spacing: 0.1em; text-transform: uppercase; }
.modal .close {
  position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; border-radius: 50%;
  background: var(--silver-100); color: var(--silver-600); font-size: 18px;
  display: flex; align-items: center; justify-content: center;
}
.modal .close:hover { background: var(--silver-200); color: var(--ink); }

/* ----- List view ----- */
.cat-list {
  max-width: 1120px; margin: 0 auto; padding: 0 32px;
  display: flex; flex-direction: column; gap: 10px;
}
.course-row-item {
  display: grid; grid-template-columns: 72px 1fr auto;
  gap: 20px; align-items: center;
  padding: 18px 22px;
  background: #fff; border: 1px solid var(--silver-200); border-radius: 12px;
  text-align: left; font-family: inherit; cursor: pointer;
  transition: border-color 150ms, box-shadow 150ms, transform 150ms;
}
.course-row-item:hover {
  border-color: var(--silver-300);
  box-shadow: 0 10px 24px -14px rgba(28,35,46,0.2);
  transform: translateY(-1px);
}
.course-row-item:hover .cta .label { color: var(--orange); }
.course-row-item .mono {
  width: 72px; height: 72px; border-radius: 10px;
  background: linear-gradient(135deg, var(--charcoal-700) 0%, var(--charcoal-900) 100%);
  color: rgba(255,255,255,0.22);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-headline); font-weight: 900; font-size: 38px; letter-spacing: -0.03em;
}
.course-row-item .meta { min-width: 0; }
.course-row-item .top {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--silver-500); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.course-row-item .top .dot { color: var(--silver-300); }
.course-row-item .top .expert {
  display: inline-flex; align-items: center; gap: 6px;
  text-transform: none; letter-spacing: 0; font-size: 12px; color: var(--silver-600);
}
.course-row-item .top .expert .disk {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--charcoal); color: #fff;
  font-family: var(--font-headline); font-weight: 800; font-size: 10px;
  display: inline-flex; align-items: center; justify-content: center;
}
.course-row-item .title {
  margin: 0 0 4px; font-family: var(--font-headline);
  font-size: 18px; font-weight: 800; letter-spacing: -0.01em; color: var(--ink);
  line-height: 1.2;
}
.course-row-item .tagline {
  margin: 0; font-size: 13px; color: var(--silver-600); line-height: 1.45;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.course-row-item .cta .label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  color: var(--silver-500); text-transform: uppercase;
  transition: color 150ms;
  white-space: nowrap;
}

.list-interstitial {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  background: var(--charcoal-900); color: #fff;
  padding: 22px 26px; border-radius: 12px;
  position: relative; overflow: hidden;
}
.list-interstitial::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--orange);
}
.list-interstitial .copy { flex: 1; }
.list-interstitial .eyebrow-mono {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--orange); font-weight: 700;
}
.list-interstitial h3 {
  margin: 6px 0 4px; font-family: var(--font-headline); font-size: 18px; font-weight: 800; letter-spacing: -0.01em;
}
.list-interstitial p { margin: 0; color: rgba(255,255,255,0.65); font-size: 13px; }
.list-interstitial .actions { display: flex; gap: 10px; }
.list-interstitial .btn-ghost { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.15); color: #fff; }
.list-interstitial .btn-ghost:hover { background: rgba(255,255,255,0.12); }

/* Small-screen overrides for catalog */
@media (max-width: 980px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .editorial-hero-card { grid-template-columns: 1fr; }
  .editorial-hero-card .art { aspect-ratio: 16 / 9; }
  .editorial-hero-card .copy { padding: 28px; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .subscribe-card { grid-column: span 2; }
}
@media (max-width: 620px) {
  .cat-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .subscribe-card { grid-column: span 1; }
  .tab-group button { margin-right: 16px; }
  .course-row-item { grid-template-columns: 56px 1fr; grid-template-rows: auto auto; padding: 14px 16px; gap: 14px; }
  .course-row-item .mono { width: 56px; height: 56px; font-size: 28px; }
  .course-row-item .cta { grid-column: 1 / -1; }
  .course-row-item .tagline { white-space: normal; }
  .list-interstitial { flex-direction: column; align-items: flex-start; }
}