/* Layout + component styles — shared structure, themed via CSS variables.
   Each theme paints the same DOM very differently (HUD = dense tactical, Atelier = editorial print). */

/* ─────────────────────────────────────────────────────── NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 32px;
  padding: 16px 40px;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav-logo {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--font-display); font-size: 22px; letter-spacing: 0.04em;
}
.logo-mark { color: var(--accent); }
.logo-word { color: var(--ink); font-size: 18px; }
.nav-mid { display: flex; gap: 28px; justify-self: start; }
.nav-link {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-3); transition: color 0.15s;
}
.nav-link:hover { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-user {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-3); padding-right: 4px;
  letter-spacing: 0.12em;
}
[data-theme="atelier"] .nav-logo { font-style: italic; }
[data-theme="atelier"] .logo-mark { color: var(--accent); font-style: italic; }

/* ─────────────────────────────────────────────────────── MAIN */
.main { position: relative; z-index: 1; }

/* ─────────────────────────────────────────────────────── HERO */
.hero {
  padding: 80px 40px 0; border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px;
  min-height: 78vh; padding-bottom: 40px;
}
.hero-left { display: flex; flex-direction: column; justify-content: space-between; }
.hero-meta { display: flex; gap: 24px; margin-bottom: 40px; }
.hero-meta .mono-only { color: var(--ink-3); }
.hero-title {
  font-size: clamp(80px, 13vw, 200px);
  letter-spacing: -0.01em;
}
.hero-title .dim { color: var(--ink-4); }
.hero-title .accent { color: var(--accent); }
[data-theme="atelier"] .hero-title { font-style: italic; }
[data-theme="atelier"] .hero-title .accent { font-style: italic; }
.hero-foot {
  display: grid; grid-template-columns: 1fr auto; gap: 32px;
  align-items: end; margin-top: 40px;
}
.hero-desc {
  max-width: 460px; font-size: 16px; line-height: 1.65; color: var(--ink-2);
  border-left: 2px solid var(--accent); padding-left: 18px;
}
[data-theme="atelier"] .hero-desc {
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  font-size: 19px; line-height: 1.45; border-left: none;
  padding-left: 0; max-width: 520px; color: var(--ink-2);
}
.hero-actions { display: flex; gap: 12px; flex-shrink: 0; }

/* Hero card / featured render */
.hero-right { display: flex; align-items: stretch; }
.hero-card {
  flex: 1; display: flex; flex-direction: column;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 18px;
}
.hero-card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.hero-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--hot);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--hot) 30%, transparent);
  animation: pulse-dot 1.6s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px color-mix(in oklab, var(--hot) 30%, transparent); }
  50% { box-shadow: 0 0 0 8px color-mix(in oklab, var(--hot) 0%, transparent); }
}
.hero-card-foot {
  display: flex; align-items: end; justify-content: space-between;
  gap: 16px; margin-top: 16px;
}
.hero-card-title { font-family: var(--font-display); font-size: 22px; line-height: 1; margin-top: 4px; }
.hero-card-link {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent);
}

.hero-bar {
  display: flex; align-items: center; gap: 32px;
  padding: 18px 0; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; color: var(--ink-3); text-transform: uppercase;
  overflow-x: auto;
}
.hero-bar strong { font-family: var(--font-display); color: var(--ink); font-size: 18px; margin-right: 6px; letter-spacing: 0.02em; }
.hero-bar .bar-tail { margin-left: auto; color: var(--ink-4); white-space: nowrap; }

/* ───────────────────────────────────────── PROMISE STRIP */
.promise { padding: 120px 40px; border-bottom: 1px solid var(--line); }
.section-head { max-width: 920px; margin-bottom: 48px; }
.section-head.row {
  max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 24px;
}
.section-title {
  font-size: clamp(48px, 6vw, 84px);
  margin-top: 12px;
}
.section-title .dim { color: var(--ink-4); }
[data-theme="atelier"] .section-title { font-style: italic; letter-spacing: -0.025em; }
.section-sub {
  font-size: 15px; color: var(--ink-2); max-width: 560px; margin-top: 16px; line-height: 1.6;
}
.promise-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.promise-cell { background: var(--bg); padding: 32px 28px 36px; display: flex; flex-direction: column; gap: 14px; }
.promise-num { font-size: 64px; color: var(--accent); line-height: 0.9; }
.promise-h { font-family: var(--font-display); font-size: 26px; line-height: 1.1; color: var(--ink); }
[data-theme="atelier"] .promise-h { font-style: italic; }
.promise-d { font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }

/* ─────────────────────────────────── CATALOG BLOCK */
.catalog-block { padding: 120px 40px; border-bottom: 1px solid var(--line); }
.catalog-block.alt { background: var(--bg-2); }
[data-theme="atelier"] .catalog-block.alt { background: var(--bg-2); }

.course-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}

/* ───────────── CARD STYLES — three card variants picked via Tweaks */
[data-card="grid"] .cc {
  display: flex; flex-direction: column;
  background: var(--bg); transition: background 0.2s;
}
[data-card="grid"] .cc:hover { background: var(--bg-2); }
[data-card="grid"] .cc-thumb { position: relative; }
[data-card="grid"] .cc-body { padding: 24px 24px 28px; display: flex; flex-direction: column; gap: 10px; }

[data-card="stacked"] .course-grid {
  display: flex; flex-direction: column; background: transparent;
  border: none; gap: 1px;
}
[data-card="stacked"] .cc {
  display: grid; grid-template-columns: 280px 1fr auto; gap: 32px;
  align-items: center; padding: 28px 32px;
  background: var(--bg-2); border: 1px solid var(--line);
  transition: background 0.15s, border-color 0.15s;
}
[data-card="stacked"] .cc:hover { background: var(--bg-3); border-color: var(--accent); }
[data-card="stacked"] .cc-thumb { width: 100%; }
[data-card="stacked"] .cc-body { display: flex; flex-direction: column; gap: 10px; }

[data-card="archive"] .course-grid {
  display: flex; flex-direction: column; background: transparent; border: none; gap: 0;
}
[data-card="archive"] .cc {
  display: grid; grid-template-columns: 60px 1.2fr 2fr 110px 80px 80px;
  gap: 24px; align-items: center; padding: 24px 16px;
  background: transparent; border-bottom: 1px solid var(--line);
  transition: background 0.15s;
}
[data-card="archive"] .cc:first-child { border-top: 1px solid var(--line); }
[data-card="archive"] .cc:hover { background: var(--bg-2); }
[data-card="archive"] .cc-thumb { display: none; }
[data-card="archive"] .cc-body { display: contents; }
[data-card="archive"] .cc-tags { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase; }
[data-card="archive"] .cc-title { font-size: 22px; }
[data-card="archive"] .cc-desc { display: none; }
[data-card="archive"] .cc-meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-3); text-transform: uppercase; }
[data-card="archive"] .cc-meta span:not(:first-child) { display: none; }
[data-card="archive"] .cc::before {
  content: counter(cc-row, decimal-leading-zero); counter-increment: cc-row;
  font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.12em;
}
[data-card="archive"] .course-grid { counter-reset: cc-row; }

/* Card body shared */
.cc-thumb { position: relative; }
.cc-badge {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; padding: 5px 10px; border-radius: var(--r-sm);
}
.cc-free { background: var(--bg); border: 1px solid var(--line-2); color: var(--ink-2); }
.cc-paid { background: var(--accent); color: var(--bg); border: 1px solid var(--accent); }
[data-theme="atelier"] .cc-free { background: var(--bg-3); }
[data-theme="atelier"] .cc-paid { background: var(--ink); color: var(--bg-3); border-color: var(--ink); }
.cc-tags { display: flex; gap: 6px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.12em; text-transform: uppercase; }
.cc-title { font-size: 26px; line-height: 1.1; color: var(--ink); }
[data-theme="atelier"] .cc-title { font-style: italic; }
.cc-desc { font-size: 14px; line-height: 1.55; color: var(--ink-2); }
.cc-meta { display: flex; gap: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.1em; text-transform: uppercase; margin-top: 8px; }

/* ────────────────────────────────── WORKFLOW PROOF TABLE */
.workflow-proof { padding: 120px 40px; border-bottom: 1px solid var(--line); }
.proof-table {
  margin-top: 32px; border: 1px solid var(--line); background: var(--bg-2);
  font-family: var(--font-mono); font-size: 13px;
}
.proof-head, .proof-row {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 16px;
  padding: 16px 24px; border-bottom: 1px solid var(--line);
}
.proof-head { background: var(--bg-3); color: var(--ink-3); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }
.proof-row:last-child { border-bottom: none; }
.proof-row .mono { color: var(--ink-2); }
.proof-diff { color: var(--good); font-size: 12px; }
.proof-foot { padding-top: 16px; color: var(--ink-3); }

/* ────────────────────────────────── INSTRUCTOR */
.instructor { padding: 120px 40px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
[data-theme="atelier"] .instructor { background: var(--bg-2); }
.instructor-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.instructor-photo { position: sticky; top: 100px; }
.instructor-bio {
  font-size: 17px; line-height: 1.65; color: var(--ink-2); margin-top: 20px;
}
[data-theme="atelier"] .instructor-bio { font-size: 19px; line-height: 1.55; }
.instructor-bio em { color: var(--accent); font-style: italic; }
.instructor-credits {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 32px;
  margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line);
}
.cred { display: flex; flex-direction: column; gap: 6px; }
.cred-v { font-family: var(--font-display); font-size: 22px; color: var(--ink); }
[data-theme="atelier"] .cred-v { font-style: italic; }

/* ────────────────────────────────── FAQ */
.faq { padding: 120px 40px; border-bottom: 1px solid var(--line); }
.faq-list { display: flex; flex-direction: column; }
.faq-item {
  border-top: 1px solid var(--line); padding: 24px 0;
  transition: background 0.15s;
}
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-q {
  display: grid; grid-template-columns: 80px 1fr 32px;
  gap: 24px; align-items: center; cursor: pointer;
  list-style: none;
  font-family: var(--font-display); font-size: 26px; color: var(--ink);
}
[data-theme="atelier"] .faq-q { font-style: italic; }
.faq-q::-webkit-details-marker { display: none; }
.faq-num { color: var(--accent); font-size: 11px; }
.faq-toggle {
  font-family: var(--font-mono); font-size: 22px; color: var(--ink-3);
  transition: transform 0.2s, color 0.2s; text-align: right;
}
.faq-item[open] .faq-toggle { transform: rotate(45deg); color: var(--accent); }
.faq-a {
  margin-top: 16px; padding-left: 104px;
  font-size: 16px; line-height: 1.7; color: var(--ink-2); max-width: 720px;
}

/* ────────────────────────────────── CTA */
.cta {
  padding: 140px 40px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.cta-title { font-size: clamp(56px, 9vw, 120px); }
.cta-title .accent { color: var(--accent); }
[data-theme="atelier"] .cta-title { font-style: italic; }
.cta-sub { font-size: 16px; color: var(--ink-2); max-width: 560px; }
.cta-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; justify-content: center; }

/* ────────────────────────────────── PAGE HERO (catalog, dashboard, etc) */
.page-hero {
  padding: 100px 40px 60px;
  border-bottom: 1px solid var(--line);
}
.page-hero-title {
  font-size: clamp(64px, 9vw, 120px);
  margin-top: 16px;
}
.page-hero-title .dim { color: var(--ink-4); }
[data-theme="atelier"] .page-hero-title { font-style: italic; }
.page-hero-desc {
  max-width: 600px; font-size: 16px; color: var(--ink-2);
  margin-top: 20px; line-height: 1.65;
}

/* ────────────────────────────────── FILTER BAR */
.filter-bar {
  display: flex; align-items: center; gap: 28px; padding: 20px 40px;
  border-bottom: 1px solid var(--line); flex-wrap: wrap;
  background: var(--bg-2);
  position: sticky; top: 73px; z-index: 20;
}
.filter-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filter-group .kicker { margin-right: 4px; }
.filter-chip {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-2);
  border: 1px solid var(--line); padding: 6px 12px; border-radius: var(--r-sm);
  background: var(--bg); transition: all 0.15s;
}
.filter-chip:hover { border-color: var(--accent); color: var(--ink); }
.filter-chip.is-active { background: var(--accent); color: var(--bg); border-color: var(--accent); }
[data-theme="atelier"] .filter-chip.is-active { background: var(--ink); color: var(--bg-3); border-color: var(--ink); }
.filter-select {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-2);
  border: 1px solid var(--line); padding: 6px 28px 6px 12px; border-radius: var(--r-sm);
  background: var(--bg); appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 14px) center, calc(100% - 9px) center;
  background-size: 5px 5px; background-repeat: no-repeat;
}
.filter-meta { margin-left: auto; }
.empty-state {
  padding: 80px 40px; text-align: center; color: var(--ink-2);
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}

/* ────────────────────────────────── COURSE DETAIL */
.cd-hero {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px;
  padding: 80px 40px; border-bottom: 1px solid var(--line);
}
.cd-crumbs { display: flex; gap: 8px; margin-bottom: 16px; }
.cd-crumbs a:hover { color: var(--accent); }
.cd-title { font-size: clamp(40px, 5.5vw, 80px); margin: 12px 0 20px; }
[data-theme="atelier"] .cd-title { font-style: italic; }
.cd-desc { font-size: 18px; color: var(--ink-2); line-height: 1.6; max-width: 600px; }
[data-theme="atelier"] .cd-desc { font-family: var(--font-display); font-style: italic; font-size: 21px; line-height: 1.45; }
.cd-meta {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin: 36px 0; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cd-meta-item { display: flex; flex-direction: column; gap: 6px; }
.cd-meta-v { font-size: 28px; line-height: 1; }
[data-theme="atelier"] .cd-meta-v { font-style: italic; }
.cd-cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cd-progress { display: flex; align-items: center; gap: 12px; }
.cd-progress-bar { width: 140px; height: 4px; background: var(--line); }
.cd-progress-fill { height: 100%; background: var(--accent); transition: width 0.4s ease; }

.cd-body {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px;
  padding: 100px 40px; border-bottom: 1px solid var(--line);
}
.cd-h2 { font-size: 36px; margin-bottom: 20px; }
[data-theme="atelier"] .cd-h2 { font-style: italic; }
.cd-prose { font-size: 16px; line-height: 1.7; color: var(--ink-2); }
.cd-prose p { margin-bottom: 16px; }
.cd-prose strong { color: var(--ink); }
.cd-takeaways { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.cd-takeaways li { display: grid; grid-template-columns: 32px 1fr; gap: 12px; align-items: start; font-size: 15.5px; color: var(--ink); }
.cd-takeaways li .kicker { padding-top: 4px; }
.link { color: var(--accent); border-bottom: 1px solid currentColor; }
.link:hover { color: var(--accent-2); }

/* Curriculum sidebar */
.cd-curriculum-head {
  display: flex; justify-content: space-between; align-items: end; margin-bottom: 20px;
}
.cd-lessons { list-style: none; border: 1px solid var(--line); }
.cd-lesson { border-bottom: 1px solid var(--line); }
.cd-lesson:last-child { border-bottom: none; }
.cd-lesson-link {
  display: grid; grid-template-columns: 50px 1fr auto;
  gap: 20px; padding: 18px 20px; transition: background 0.15s;
}
.cd-lesson.is-open .cd-lesson-link:hover { background: var(--bg-3); }
.cd-lesson.is-locked .cd-lesson-link { cursor: not-allowed; opacity: 0.5; }
.cd-lesson-num { padding-top: 4px; }
.cd-lesson-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cd-lesson-title { font-size: 16px; color: var(--ink); font-weight: 500; }
[data-theme="atelier"] .cd-lesson-title { font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: 19px; }
.cd-lesson-tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 2px 8px; border-radius: var(--r-sm);
}
.cd-lesson-tag.preview { background: color-mix(in oklab, var(--accent) 15%, transparent); color: var(--accent); border: 1px solid var(--accent); }
.cd-lesson-tag.done { background: color-mix(in oklab, var(--good) 15%, transparent); color: var(--good); border: 1px solid var(--good); }
.cd-lesson-d { font-size: 13.5px; color: var(--ink-3); margin-top: 6px; line-height: 1.55; }
.cd-lesson-side { display: flex; flex-direction: column; align-items: end; gap: 6px; }
.cd-lesson-state {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
}
.cd-lesson.is-locked .cd-lesson-state { color: var(--ink-4); }

/* ────────────────────────────────── LESSON PLAYER */
.lp-layout { display: grid; grid-template-columns: 320px 1fr; min-height: calc(100vh - 73px); }
.lp-sidebar {
  background: var(--bg-2); border-right: 1px solid var(--line);
  position: sticky; top: 73px; height: calc(100vh - 73px); overflow-y: auto;
}
.lp-sidebar-head { padding: 20px 24px; border-bottom: 1px solid var(--line); }
.lp-back {
  display: flex; align-items: center; gap: 6px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 16px;
}
.lp-back:hover { color: var(--accent); }
.lp-back span { font-size: 13px; text-transform: none; letter-spacing: 0.04em; color: var(--ink); font-family: var(--font-body); }
.lp-progress-bar { height: 3px; background: var(--line); margin-bottom: 8px; }
.lp-progress-fill { height: 100%; background: var(--accent); transition: width 0.5s ease; }
.lp-progress-meta { display: flex; justify-content: space-between; }
.lp-nav { list-style: none; }
.lp-nav-item {
  display: grid; grid-template-columns: 32px 1fr auto auto;
  gap: 10px; padding: 14px 24px; border-bottom: 1px solid var(--line);
  align-items: center; transition: background 0.15s, border-left-color 0.15s;
  border-left: 3px solid transparent;
}
.lp-nav-item:hover { background: var(--bg-3); }
.lp-nav-item.is-active {
  background: var(--bg-3); border-left-color: var(--accent);
}
.lp-nav-item.is-locked { opacity: 0.4; cursor: not-allowed; }
.lp-nav-num { color: var(--ink-3); }
.lp-nav-title { font-size: 13px; color: var(--ink-2); line-height: 1.4; }
.lp-nav-item.is-active .lp-nav-title { color: var(--ink); font-weight: 500; }
.lp-nav-dur { color: var(--ink-3); }
.lp-nav-check { color: var(--good); font-size: 14px; }
.lp-nav-lock { color: var(--ink-4); }

.lp-main { padding: 32px 40px 80px; max-width: 1100px; }
.lp-head-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.lp-title { font-size: 48px; line-height: 1; }
[data-theme="atelier"] .lp-title { font-style: italic; }

/* Mock player */
.player { margin-top: 32px; }
.player-stage {
  border: 1px solid var(--line); background: #000;
  border-radius: var(--r-md); overflow: hidden;
}
.player-viewport {
  position: relative; aspect-ratio: 16/9; background:
    radial-gradient(ellipse at 30% 40%, #1a2030 0%, #0a0d14 60%, #050608 100%);
  overflow: hidden; cursor: pointer;
}
.player-vp-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 75%);
}
.player-vp-cursor {
  position: absolute; width: 14px; height: 14px;
  border: 2px solid #4f9eff; border-radius: 50%;
  transition: left 0.5s linear, top 0.5s linear;
  box-shadow: 0 0 0 6px rgba(79,158,255,0.15), 0 0 24px rgba(79,158,255,0.4);
}
.player-vp-overlay {
  position: absolute; inset: 0; padding: 20px;
  display: flex; flex-direction: column; justify-content: space-between;
  pointer-events: none;
}
.player-vp-ol-row {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
}
.player-vp-ol-row .accent { color: #4f9eff; }
.player-watermark {
  position: absolute; bottom: 60px; right: 20px;
  font-size: 10px !important; color: rgba(255,255,255,0.2) !important;
  letter-spacing: 0.2em;
}
.player-play-big {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 84px; height: 84px; border: 2px solid #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.4); transition: background 0.15s, transform 0.15s;
}
.player-play-big:hover { background: var(--accent); transform: translate(-50%, -50%) scale(1.05); }
.player-play-tri { width: 0; height: 0; border-top: 14px solid transparent; border-bottom: 14px solid transparent; border-left: 22px solid #fff; margin-left: 6px; }

.player-controls {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px; background: #0a0c14; border-top: 1px solid #1a1f2e;
}
.player-btn {
  font-family: var(--font-mono); font-size: 12px; color: #cfd6e8;
  padding: 6px 10px; border-radius: 3px; transition: background 0.15s, color 0.15s;
  letter-spacing: 0.1em;
}
.player-btn:hover { background: #1a1f2e; color: #fff; }
.player-time { color: #6b7a96; min-width: 110px; }
.player-scrub {
  flex: 1; height: 4px; background: #1a1f2e;
  appearance: none; border-radius: 2px; cursor: pointer;
}
.player-scrub::-webkit-slider-thumb {
  appearance: none; width: 12px; height: 12px; background: var(--accent);
  border-radius: 50%; cursor: pointer;
}
.player-progress { height: 3px; background: #0a0c14; }
.player-progress-fill { height: 100%; background: var(--accent); transition: width 0.1s linear; }

.lp-actions {
  display: flex; align-items: center; justify-content: space-between;
  margin: 32px 0; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  gap: 16px; flex-wrap: wrap;
}
.lp-actions .btn:disabled { background: var(--bg-3); color: var(--good); cursor: default; border-color: var(--good); }
.lp-nav-btns { display: flex; gap: 8px; }
.lp-body { display: flex; flex-direction: column; gap: 56px; }
.lp-section { }
.lp-section h2 { margin-bottom: 16px; }
.lp-prose { font-size: 16px; line-height: 1.7; color: var(--ink-2); }
.lp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.lp-files { list-style: none; }
.lp-files li {
  display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: center;
  padding: 14px 0; border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: 13px;
}
.lp-file-name { color: var(--ink-2); }
.lp-file-size { color: var(--ink-3); }
.lp-file-dl { color: var(--accent); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 10px; border: 1px solid var(--line); }
.lp-file-dl:hover { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.lp-shortcuts { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.lp-shortcuts li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2); }
.lp-shortcuts kbd {
  font-family: var(--font-mono); font-size: 11px; padding: 3px 8px;
  border: 1px solid var(--line-2); background: var(--bg-2); color: var(--ink);
  border-radius: 3px; min-width: 32px; text-align: center;
}
.lp-comments { display: flex; flex-direction: column; gap: 20px; }
.lp-comment { padding: 16px 20px; background: var(--bg-2); border-left: 3px solid var(--line); }
.lp-comment header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.lp-comment-user { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.05em; }
.lp-comment p { font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }

.lesson-locked {
  padding: 200px 40px; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.lesson-locked h1 { font-size: 56px; }
.lesson-locked p { color: var(--ink-2); max-width: 480px; }

/* ────────────────────────────────── AUTH */
.auth-page { padding: 40px; min-height: calc(100vh - 73px); display: flex; align-items: stretch; }
.auth-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  width: 100%; max-width: 1280px; margin: 40px auto;
  border: 1px solid var(--line); background: var(--bg-2);
}
.auth-rail {
  padding: 56px; display: flex; flex-direction: column; gap: 24px;
  background: var(--bg-3); border-right: 1px solid var(--line);
}
.auth-rail-title { font-size: 64px; margin-top: 12px; }
[data-theme="atelier"] .auth-rail-title { font-style: italic; }
.auth-rail-sub { color: var(--ink-2); max-width: 380px; line-height: 1.6; }
.auth-rail-bullets { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.auth-rail-bullet { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: start; font-size: 14.5px; color: var(--ink); }
.auth-rail-foot { margin-top: auto; padding-top: 32px; border-top: 1px solid var(--line); }
.auth-rail-num { display: block; font-size: 56px; color: var(--accent); margin-top: 4px; }
[data-theme="atelier"] .auth-rail-num { font-style: italic; }
.auth-rail-numlbl { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.14em; text-transform: uppercase; }
.auth-card { padding: 56px; display: flex; flex-direction: column; gap: 16px; }
.auth-title { font-size: 56px; margin: 8px 0 16px; }
[data-theme="atelier"] .auth-title { font-style: italic; }
.auth-form { display: flex; flex-direction: column; gap: 18px; margin-top: 16px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.auth-err { color: var(--hot); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em; }
.auth-switch { font-size: 14px; color: var(--ink-2); margin-top: 8px; }
.auth-note { color: var(--ink-2); font-size: 14.5px; padding: 12px 14px; background: var(--bg-3); border-left: 3px solid var(--accent); }

/* ────────────────────────────────── DASHBOARD */
.dash {  }
.dash-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; }
.dash-hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.dash-stat {
  background: var(--bg); padding: 28px 24px;
  display: flex; flex-direction: column; gap: 6px;
}
.dash-stat-v { font-size: 56px; line-height: 1; color: var(--accent); }
[data-theme="atelier"] .dash-stat-v { font-style: italic; }
.dash-section { padding: 80px 40px; border-bottom: 1px solid var(--line); }
.dash-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.dash-card { background: var(--bg); display: grid; grid-template-columns: 280px 1fr; gap: 0; }
.dash-card-thumb { display: block; }
.dash-card-body { padding: 24px 28px; display: flex; flex-direction: column; gap: 14px; }
.dash-card-title { font-size: 22px; line-height: 1.15; }
[data-theme="atelier"] .dash-card-title { font-style: italic; }
.dash-card-progress { display: flex; align-items: center; gap: 12px; }
.dash-progress-bar { flex: 1; height: 4px; background: var(--line); }
.dash-progress-fill { height: 100%; background: var(--accent); transition: width 0.4s ease; }
.dash-card-next { padding-top: 12px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.dash-card-next-t { font-size: 14px; color: var(--ink); line-height: 1.4; }
.dash-card-actions { display: flex; gap: 8px; margin-top: auto; }
.dash-empty { padding: 60px; text-align: center; border: 1px dashed var(--line-2); }
.dash-empty-h { font-size: 36px; margin-bottom: 12px; }
[data-theme="atelier"] .dash-empty-h { font-style: italic; }
.dash-log { display: flex; flex-direction: column; }
.dash-log-row {
  display: grid; grid-template-columns: 110px 1fr 200px 80px;
  gap: 24px; padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: 14px; color: var(--ink-2); align-items: center;
}
.dash-log-row span:first-child { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; }
.dash-log-empty { color: var(--ink-3); padding: 40px 0; justify-items: start; grid-template-columns: 1fr; }

/* ─────────────────────────────────────────────── ADMIN / STUDIO */
.adm {  }
.adm-hero { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: end; }
.adm-tabs { display: flex; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.adm-tab { background: var(--bg); padding: 14px 22px; transition: background 0.15s; }
.adm-tab.is-on { background: var(--accent); color: var(--bg); }
.adm-tab.is-on .kicker { color: var(--bg); }
.adm-tab:hover:not(.is-on) { background: var(--bg-3); }
.adm-stats { grid-template-columns: repeat(4, 1fr); }
.adm-chart { display: grid; grid-template-columns: repeat(9, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); padding: 0; height: 320px; align-items: stretch; }
.adm-bar-col { background: var(--bg); padding: 16px 12px 12px; display: flex; flex-direction: column; justify-content: flex-end; align-items: stretch; gap: 10px; min-height: 0; }
.adm-bar { background: var(--accent); position: relative; min-height: 4px; transition: filter 0.15s; }
.adm-bar:hover { filter: brightness(1.15); }
.adm-bar-v { position: absolute; top: -22px; left: 50%; transform: translateX(-50%); white-space: nowrap; color: var(--ink); }
.adm-bar-lbl { text-align: center; }
.adm-courses { display: flex; flex-direction: column; }
.adm-course-row { display: grid; grid-template-columns: 120px 1fr 120px 140px; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); align-items: center; transition: background 0.15s; }
.adm-course-row:hover { background: var(--bg-3); }
.adm-course-t { color: var(--ink); font-weight: 500; }
.adm-course-v { font-size: 32px; text-align: right; color: var(--accent); }
[data-theme="atelier"] .adm-course-v { font-style: italic; }
.adm-search { display: flex; gap: 12px; align-items: center; }
.adm-search .input { width: 320px; }
.adm-table { display: flex; flex-direction: column; border: 1px solid var(--line); }
.adm-table-head, .adm-table-row { display: grid; grid-template-columns: 2fr 80px 1.4fr 120px 100px; gap: 24px; padding: 16px 20px; align-items: center; border-bottom: 1px solid var(--line); }
.adm-table-head { background: var(--bg-3); }
.adm-table-row { background: var(--bg); transition: background 0.12s; }
.adm-table-row:hover { background: var(--bg-3); }
.adm-table-row:last-child { border-bottom: 0; }
.adm-student { display: flex; gap: 12px; align-items: center; }
.adm-avatar { width: 36px; height: 36px; background: var(--bg-4); color: var(--accent); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 12px; font-weight: 500; flex: 0 0 auto; border: 1px solid var(--line-2); }
.adm-student-n { color: var(--ink); font-weight: 500; font-size: 14.5px; }
.adm-cell { font-size: 14px; color: var(--ink-2); }
.adm-prog { display: flex; align-items: center; gap: 12px; }
.adm-prog .dash-progress-bar { flex: 1; }
.adm-status { padding: 4px 10px; background: var(--bg-3); border: 1px solid var(--line); display: inline-flex; }
.adm-status-active .kicker { color: var(--good); }
.adm-status-completed .kicker { color: var(--accent); }
.adm-status-new .kicker { color: var(--warn); }
.adm-author-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.adm-author-card { background: var(--bg); padding: 28px; display: flex; flex-direction: column; gap: 14px; min-height: 220px; }
.adm-author-head { display: flex; justify-content: space-between; }
.adm-author-t { font-size: 24px; line-height: 1.15; }
[data-theme="atelier"] .adm-author-t { font-style: italic; }
.adm-author-desc { font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.adm-author-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); gap: 12px; }
.adm-author-actions { display: flex; gap: 8px; }

/* CERTIFICATE */
.cert-hero { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: end; }
.cert-actions { display: flex; gap: 12px; }
.cert-doc { position: relative; padding: 64px; background: var(--bg-3); border: 1px solid var(--line-2); display: flex; flex-direction: column; gap: 36px; max-width: 880px; margin: 0 auto; }
.cert-doc[data-locked="true"] > *:not(.cert-lock) { filter: blur(2px); opacity: 0.4; pointer-events: none; user-select: none; }
.cert-doc-head, .cert-doc-foot { display: flex; justify-content: space-between; align-items: end; }
.cert-doc-body { text-align: center; display: flex; flex-direction: column; gap: 14px; align-items: center; padding: 24px 0; }
.cert-doc-title { font-size: 44px; }
[data-theme="atelier"] .cert-doc-title { font-style: italic; }
.cert-doc-name { font-size: 72px; color: var(--accent); margin-top: 18px; line-height: 1; }
[data-theme="atelier"] .cert-doc-name { font-style: italic; }
.cert-doc-for { color: var(--ink-2); font-size: 14px; margin-top: 6px; }
.cert-doc-course { font-size: 36px; line-height: 1.2; max-width: 600px; }
[data-theme="atelier"] .cert-doc-course { font-style: italic; }
.cert-doc-desc { color: var(--ink-3); font-size: 13.5px; max-width: 520px; line-height: 1.6; margin-top: 6px; }
.cert-sig { display: flex; flex-direction: column; gap: 4px; }
.cert-sig-line { font-family: var(--font-display); font-size: 22px; padding-bottom: 4px; border-bottom: 1px solid var(--line-2); min-width: 240px; }
[data-theme="atelier"] .cert-sig-line { font-style: italic; }
.cert-stamp { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.cert-stamp-pct { font-size: 56px; color: var(--accent); line-height: 1; }
[data-theme="atelier"] .cert-stamp-pct { font-style: italic; }
.cert-lock { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; background: color-mix(in srgb, var(--bg) 70%, transparent); backdrop-filter: blur(2px); }
.cert-list { display: flex; flex-direction: column; list-style: none; }
.cert-list-row { display: grid; grid-template-columns: 110px 60px 1fr 80px 80px; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--line); align-items: center; color: var(--ink-2); }
.cert-list-row.is-on { color: var(--ink); }
.cert-list-row.is-on > .kicker:first-child { color: var(--good); }
.cert-list-n { color: var(--ink-3); }
.cert-list-t { font-size: 14.5px; }

/* SETTINGS */
.settings-grid { display: grid; grid-template-columns: 240px 1fr; padding: 0 40px 80px; gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.settings-nav { background: var(--bg); padding: 24px 0; display: flex; flex-direction: column; }
.settings-nav-btn { padding: 14px 24px; text-align: left; border-left: 2px solid transparent; transition: background 0.12s, border-color 0.12s; }
.settings-nav-btn:hover { background: var(--bg-3); }
.settings-nav-btn.is-on { border-left-color: var(--accent); background: var(--bg-3); }
.settings-nav-btn.is-on .kicker { color: var(--accent); }
.settings-body { background: var(--bg); padding: 48px 56px; }
.settings-section { display: flex; flex-direction: column; gap: 20px; max-width: 640px; }
.settings-section .section-title { font-size: 36px; margin-bottom: 8px; }
[data-theme="atelier"] .settings-section .section-title { font-style: italic; }
.settings-actions { display: flex; gap: 10px; margin-top: 8px; }
.settings-toggle { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.settings-toggle input { width: 18px; height: 18px; accent-color: var(--accent); }
.settings-plan { display: grid; grid-template-columns: 1fr auto; gap: 24px; padding: 24px; background: var(--bg-3); border: 1px solid var(--line); align-items: center; }
.settings-plan-t { font-size: 28px; margin-top: 6px; }
[data-theme="atelier"] .settings-plan-t { font-style: italic; }
.settings-plan-sub { color: var(--ink-3); font-size: 13.5px; margin-top: 4px; }
.settings-plan-amt { text-align: right; }
.settings-plan-amt .display { display: block; font-size: 48px; color: var(--accent); line-height: 1; }
[data-theme="atelier"] .settings-plan-amt .display { font-style: italic; }
.settings-h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: 0.01em; font-size: 22px; margin-top: 12px; color: var(--ink); }
[data-theme="atelier"] .settings-h3 { font-style: italic; }
.settings-card { display: grid; grid-template-columns: 110px 1fr auto; gap: 20px; padding: 18px 22px; background: var(--bg-3); border: 1px solid var(--line); align-items: center; }
.settings-receipts { list-style: none; display: flex; flex-direction: column; }
.settings-rcpt-row { display: grid; grid-template-columns: 110px 1fr 160px 90px 60px; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: center; font-size: 14px; color: var(--ink-2); }
.settings-rcpt-v { text-align: right; color: var(--accent); }
[data-theme="atelier"] .settings-rcpt-v { font-style: italic; }
.settings-p { color: var(--ink-2); line-height: 1.6; }
.kbd { font-family: var(--font-mono); background: var(--bg-3); padding: 2px 6px; border: 1px solid var(--line); font-size: 0.9em; }
.settings-danger { border-left: 3px solid var(--hot); padding-left: 24px; }
.settings-row-warn { display: grid; grid-template-columns: 1fr auto; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: center; }
.settings-row-warn-t { font-weight: 500; color: var(--ink); margin-bottom: 4px; }
.btn-danger { background: var(--hot); color: #fff; border: 1px solid var(--hot); padding: 10px 18px; }
.btn-danger:hover { filter: brightness(1.1); }

/* COMMUNITY */
.community-hero { display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: end; }
.community-tabs { display: flex; gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 32px; max-width: max-content; }
.community-tab { background: var(--bg); padding: 12px 22px; display: flex; gap: 12px; align-items: center; transition: background 0.15s; }
.community-tab:hover { background: var(--bg-3); }
.community-tab.is-on { background: var(--accent); }
.community-tab.is-on .kicker { color: var(--bg); }
.community-tab-n { opacity: 0.6; }
.community-list { list-style: none; display: flex; flex-direction: column; }
.community-row { display: flex; flex-direction: column; gap: 8px; padding: 22px 24px; border: 1px solid var(--line); border-bottom: 0; transition: background 0.15s, border-color 0.15s; background: var(--bg); }
.community-list li:last-child .community-row { border-bottom: 1px solid var(--line); }
.community-row:hover { background: var(--bg-3); border-color: var(--line-2); }
.community-row-meta { display: flex; gap: 14px; }
.community-row-t { font-size: 18px; font-weight: 500; color: var(--ink); line-height: 1.3; }
.community-row-body { color: var(--ink-2); font-size: 14px; line-height: 1.5; max-width: 80ch; }
.community-row-foot { display: flex; gap: 18px; align-items: center; }
.community-row-replies { color: var(--ink-3); margin-left: auto; }
.community-thread .page-hero { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.community-bc { display: flex; gap: 8px; align-items: center; }
.community-thread-t { font-size: 56px; max-width: 900px; }
[data-theme="atelier"] .community-thread-t { font-style: italic; }
.community-post { padding: 24px; background: var(--bg); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px; margin-bottom: 12px; }
.community-op { background: var(--bg-3); border-color: var(--line-2); }
.community-post.is-instructor { border-left: 3px solid var(--accent); }
.community-post-head { display: flex; gap: 12px; align-items: center; }
.community-post-head > div:last-child { display: flex; flex-direction: column; gap: 2px; }
.community-post-name { color: var(--ink); font-size: 14.5px; font-weight: 500; }
.community-post-body { color: var(--ink-2); line-height: 1.65; font-size: 15px; max-width: 75ch; }
.community-replies { list-style: none; display: flex; flex-direction: column; }
.community-reply { display: flex; flex-direction: column; gap: 12px; padding: 24px; background: var(--bg-3); border: 1px solid var(--line); margin-top: 24px; }
.community-reply-area { resize: vertical; font-family: var(--font-body); }

/* ─────────────────────────────────────────────── FOOTER */
.footer {
  padding: 56px 40px 32px;
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 20px;
}
.footer-row {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.footer-brand {
  font-family: var(--font-display); font-size: 32px; color: var(--ink);
  letter-spacing: 0.02em;
}
[data-theme="atelier"] .footer-brand { font-style: italic; }
.footer-brand .accent { color: var(--accent); }
.footer-line { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--ink-3); text-transform: uppercase; }
.footer-meta { padding-top: 16px; border-top: 1px solid var(--line); }
.footer-links { display: flex; gap: 20px; }
.footer-links a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-3); transition: color 0.15s;
}
.footer-links a:hover { color: var(--accent); }

/* ────────────────────────────────── 404 / generic centerpage */
.centerpage {
  padding: 200px 40px; text-align: center;
  display: flex; flex-direction: column; align-items: center;
}

/* ────────────────────────────────── Thumb slot variants */
.thumb-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 32px 32px;
}
[data-theme="atelier"] .thumb-grid {
  background-image:
    linear-gradient(rgba(20,17,13,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,17,13,0.06) 1px, transparent 1px);
}
.thumb-tag {
  position: relative; z-index: 1; padding: 14px 18px;
  background: color-mix(in oklab, var(--bg) 90%, transparent);
  border: 1px solid var(--line);
  font-family: var(--font-mono); display: flex; flex-direction: column; gap: 4px;
  max-width: 260px;
}
.thumb-tag-num {
  font-size: 10px; letter-spacing: 0.2em; color: var(--accent); text-transform: uppercase;
}
.thumb-tag-slug {
  font-size: 10px; letter-spacing: 0.16em; color: var(--ink-2); text-transform: uppercase; line-height: 1.4;
}
.thumb-tag-soft {
  font-size: 10px; letter-spacing: 0.06em; color: var(--ink-3); text-transform: none; margin-top: 4px; font-style: italic;
}

/* ────────────────────────────────── Responsive (basic) */
@media (max-width: 1100px) {
  .hero-grid, .cd-hero, .cd-body, .auth-grid, .dash-hero, .instructor-grid, .hero-foot {
    grid-template-columns: 1fr; gap: 32px;
  }
  .course-grid, .promise-grid, .cd-meta, .dash-hero-stats, .dash-grid { grid-template-columns: 1fr; }
  .promise-grid > .promise-cell + .promise-cell { border-top: 1px solid var(--line); }
  .nav { grid-template-columns: auto auto; padding: 14px 20px; }
  .nav-mid { display: none; }
  .lp-layout { grid-template-columns: 1fr; }
  .lp-sidebar { position: static; height: auto; max-height: 320px; }
  .nav, .hero, .promise, .catalog-block, .workflow-proof, .instructor, .faq, .cta, .page-hero, .filter-bar, .cd-hero, .cd-body, .auth-page, .dash-section, .footer, .lp-main { padding-left: 20px; padding-right: 20px; }
  [data-card="stacked"] .cc, [data-card="archive"] .cc { grid-template-columns: 1fr; }
}