/* ============================================================
   CURRICULUM — landing track map & module index layer
   Loaded AFTER base.css. Adds only the track-specific pieces;
   colours, buttons, nav, footer and reveal all come from base.
   ============================================================ */

/* ---------- Hero stat rail ---------- */
.hero-stats {
  margin-top: 42px;
  display: flex; flex-wrap: wrap; gap: 14px 40px;
}
.hero-stat { display: flex; flex-direction: column; gap: 2px; }
.hero-stat .num {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 3vw, 2.3rem); line-height: 1;
  color: var(--gold-deep);
}
[data-theme="dark"] .hero-stat .num { color: var(--gold); }
.hero-stat .cap {
  font-family: var(--font-mono); font-size: .7rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--text-subtle);
}

.path-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.path-panel-head span {
  display: block; color: var(--text-subtle); font: 600 .68rem/1.3 var(--font-mono);
  letter-spacing: .14em; text-transform: uppercase;
}
.path-panel-head strong { display: block; margin-top: 6px; font: 600 1.08rem/1.35 var(--font-display); }
.path-panel-head b { color: var(--gold-ink); font: 700 1.65rem/1 var(--font-display); }
.path-panel-bar { height: 7px; margin: 20px 0 18px; border-radius: 999px; overflow: hidden; background: var(--border); }
.path-panel-bar i { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--gold), var(--gold-ink)); transition: width .5s var(--ease-out); }
.path-today {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 14px;
  margin: -4px 0 16px; padding: 12px 14px; border-radius: 14px;
  background: color-mix(in srgb, var(--gold) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--gold) 38%, var(--border));
}
.path-today a { display: flex; flex-direction: column; gap: 2px; }
.path-today a span { color: var(--text-subtle); font: 600 .64rem/1.2 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.path-today a strong { font: 600 1rem/1.3 var(--font-display); }
.path-today a:hover strong { color: var(--gold-ink); }
.path-today small { color: var(--text-muted); font: 500 .74rem var(--font-mono); }
[data-theme="dark"] .path-today a:hover strong { color: var(--gold); }
.path-panel ol { display: flex; flex-direction: column; }
.path-panel li {
  display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; align-items: center; gap: 10px;
  min-height: 46px; border-top: 1px solid var(--border);
}
.path-panel li > span { color: var(--accent-ink); font: 600 .7rem var(--font-mono); }
.path-panel li a { font-weight: 600; line-height: 1.3; }
.path-panel li a:hover { color: var(--accent-ink); }
.path-panel li small { color: var(--text-subtle); font: 500 .67rem var(--font-mono); white-space: nowrap; }

.section-head p.track-aside { font-size: 1rem; }
.track-aside a {
  color: var(--gold-ink); font-weight: 600;
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px;
}
[data-theme="dark"] .track-aside a { color: var(--gold); }

.stage-jump {
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: thin;
  margin: -14px 0 44px; padding: 4px 1px 10px;
}
.stage-jump a {
  min-height: 42px; flex: 0 0 auto; display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 13px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--text-muted); font-size: .88rem; font-weight: 600;
  transition: border-color .2s, color .2s, transform .2s;
}
.stage-jump a span { color: var(--accent-ink); font: 600 .68rem var(--font-mono); }
.stage-jump a:hover { color: var(--text); border-color: var(--accent); transform: translateY(-1px); }
.section-alt { background: var(--surface-2); }
.start-actions { margin-top: 30px; }

/* ============================================================
   STAGES
   ============================================================ */
.stage { margin-bottom: clamp(56px, 7vw, 92px); }
.stage:last-child { margin-bottom: 0; }

.stage-head {
  display: flex; align-items: flex-start; gap: 20px;
  padding-bottom: 22px; margin-bottom: clamp(24px, 3vw, 36px);
  border-bottom: 1px solid var(--border);
}
.stage-num {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 3rem); line-height: .9;
  color: var(--border-strong); flex: none;
  font-variant-numeric: tabular-nums;
}
.stage-head h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.stage-head p { color: var(--text-muted); margin-top: 8px; font-size: 1rem; max-width: 62ch; }
.stage-meta {
  font-family: var(--font-mono); font-size: .73rem; letter-spacing: .05em;
  color: var(--accent-ink, var(--accent)); margin-top: 12px; font-weight: 600;
}
/* Tint the stage number with the section accent so the six sections
   read as six distinct blocks while scrolling. */
.stage { --accent: var(--gold); scroll-margin-top: 90px; }
.stage-num { color: color-mix(in srgb, var(--accent) 45%, transparent); }
.stage-head { border-bottom-color: color-mix(in srgb, var(--accent) 28%, var(--border)); }

/* ---------- Module grid ---------- */
.mod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(18px, 2.2vw, 26px);
}

/* ---------- Module card ---------- */
.mod-card {
  --accent: var(--gold);
  position: relative; display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 26px 22px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out), border-color .3s;
}
/* Accent rail along the bottom edge */
.mod-card::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 4px;
  background: var(--accent); opacity: .9;
}
a.mod-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  box-shadow: 0 26px 54px -28px color-mix(in srgb, var(--accent) 75%, transparent);
}

/* Big translucent module number, watermark style */
.mod-num {
  position: absolute; top: 16px; inset-inline-end: 22px;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.6rem, 4.5vw, 3.4rem); line-height: 1;
  color: color-mix(in srgb, var(--accent) 20%, transparent);
  font-variant-numeric: tabular-nums; pointer-events: none;
}

.mod-badge {
  width: 52px; height: 52px; border-radius: 15px;
  display: grid; place-items: center; font-size: 26px; line-height: 1;
  color: var(--accent-ink, var(--accent));
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 36%, transparent);
  margin-bottom: 18px;
}

.mod-card h4 { font-size: 1.28rem; letter-spacing: -.02em; }
.mod-tagline {
  font-family: var(--font-mono); font-size: .74rem;
  letter-spacing: .05em; color: var(--accent-ink, var(--accent));
  margin-top: 7px; font-weight: 500;
}
.mod-card > p {
  color: var(--text-muted); font-size: .96rem;
  margin-top: 13px; line-height: 1.6; flex: 1;
}

/* Tool chips */
.mod-tools { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.mod-tools span {
  font-family: var(--font-mono); font-size: .69rem; letter-spacing: .02em;
  border: 1px solid var(--border); border-radius: 8px; padding: 4px 8px;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

/* Footer row: lesson count + progress */
.mod-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--border);
}
.mod-meta {
  font-family: var(--font-mono); font-size: .74rem;
  color: var(--text-faint); letter-spacing: .04em;
}
.mod-meta b { color: var(--text-muted); font-weight: 600; }

/* Progress ring */
.mod-ring { display: flex; align-items: center; gap: 9px; }
.mod-ring svg { width: 34px; height: 34px; transform: rotate(-90deg); flex: none; }
.mod-ring .ring-bg { fill: none; stroke: var(--border); stroke-width: 3.5; }
.mod-ring .ring-fg {
  fill: none; stroke: var(--accent); stroke-width: 3.5; stroke-linecap: round;
  transition: stroke-dashoffset .6s var(--ease-out);
}
.mod-ring .ring-pct {
  font-family: var(--font-mono); font-size: .76rem; font-weight: 600;
  color: var(--accent-ink, var(--accent)); font-variant-numeric: tabular-nums;
}

/* Soon state — module has no published lessons yet */
.mod-card.is-progress { border-color: color-mix(in srgb, var(--accent) 42%, var(--border)); }
.mod-card.is-complete { border-color: color-mix(in srgb, var(--accent) 65%, var(--border)); }
.mod-card.is-complete::after { height: 6px; }
.mod-card.is-planned { background: color-mix(in srgb, var(--surface) 92%, var(--accent)); }
.mod-card.is-planned::after { opacity: .4; }
.mod-card.is-planned:hover { transform: translateY(-2px); }
.mod-soon-tag {
  font-family: var(--font-mono); font-size: .68rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-subtle);
  border: 1px dashed var(--border-strong); border-radius: 7px; padding: 4px 9px;
}

/* ============================================================
   HOW IT WORKS — the 9-layer protocol, as a numbered rail
   ============================================================ */
.protocol {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(16px, 2vw, 22px);
  counter-reset: layer;
}
.layer {
  position: relative; padding: 22px 22px 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
}
.layer::before {
  counter-increment: layer; content: counter(layer, decimal-leading-zero);
  font-family: var(--font-mono); font-size: .72rem; font-weight: 600;
  letter-spacing: .18em; color: var(--gold-deep); display: block; margin-bottom: 11px;
}
[data-theme="dark"] .layer::before { color: var(--gold); }
.layer h4 { font-size: 1.05rem; }
.layer p { color: var(--text-muted); font-size: .93rem; margin-top: 7px; line-height: 1.55; }

/* ============================================================
   MODULE INDEX PAGE
   ============================================================ */
.mod-hero { --accent: var(--gold); --accent-ink: var(--gold-ink); }
.mod-hero .eyebrow { color: var(--accent-ink); }
[data-theme="dark"] .mod-hero .eyebrow { color: var(--accent-ink); }
.mod-hero .eyebrow::before { background: var(--accent); }
.mod-hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(290px, .65fr);
  align-items: end; gap: clamp(36px, 6vw, 80px);
}
.mod-hero-badge {
  width: clamp(58px, 6vw, 74px); height: clamp(58px, 6vw, 74px);
  border-radius: 19px; display: grid; place-items: center;
  color: var(--accent-ink); margin-bottom: 24px;
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 20%, var(--surface)), var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  box-shadow: 0 16px 34px -18px color-mix(in srgb, var(--accent) 60%, transparent);
}
.mod-hero-badge svg { width: 36px; height: 36px; }
.module-progress-panel {
  padding: 24px; border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--border));
  border-radius: var(--radius-lg); background: color-mix(in srgb, var(--surface) 94%, var(--accent));
  box-shadow: var(--shadow-card);
}
.module-progress-panel .label {
  color: var(--text-subtle); font: 600 .7rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase;
}
.module-progress-panel strong { display: block; margin-top: 8px; font: 600 1.3rem/1.25 var(--font-display); }
.module-progress-panel p { color: var(--text-muted); margin: 8px 0 18px; font-size: .94rem; }
.module-progress-panel .progress-line { height: 7px; margin-bottom: 20px; border-radius: 999px; overflow: hidden; background: var(--border); }
.module-progress-panel .progress-line i { display: block; height: 100%; background: var(--accent); transition: width .45s var(--ease-out); }
.module-progress-panel .btn { width: 100%; }

/* Lesson list */
.lesson-list { display: flex; flex-direction: column; gap: 10px; }
.lesson-row {
  --accent: var(--gold);
  display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  gap: 18px; padding: 17px 22px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .25s, transform .25s var(--ease-out), box-shadow .25s;
}
a.lesson-row:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  transform: translateX(4px);
  box-shadow: 0 14px 30px -20px color-mix(in srgb, var(--accent) 70%, transparent);
}
.lesson-n {
  font-family: var(--font-mono); font-size: .8rem; font-weight: 600;
  color: var(--accent-ink, var(--accent)); font-variant-numeric: tabular-nums; min-width: 26px;
}
.lesson-row h4 { font-size: 1.04rem; font-weight: 600; letter-spacing: -.015em; }
.lesson-row p { color: var(--text-muted); font-size: .9rem; margin-top: 4px; }
.lesson-side { display: flex; align-items: center; gap: 14px; flex: none; }
.lesson-mastery {
  padding: 4px 9px; border-radius: 7px; white-space: nowrap;
  color: var(--accent-ink, var(--gold-ink)); font: 600 .66rem var(--font-mono); letter-spacing: .04em;
  background: color-mix(in srgb, var(--accent, var(--gold)) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent, var(--gold)) 35%, transparent);
}
.lesson-time {
  font-family: var(--font-mono); font-size: .72rem; color: var(--text-subtle);
  white-space: nowrap;
}
.lesson-level {
  font-family: var(--font-mono); font-size: .66rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 9px; border-radius: 7px;
  border: 1px solid var(--border); color: var(--text-muted);
}
.lesson-level[data-level="Beginner"]     { color: #2E8B57; border-color: color-mix(in srgb, #2E8B57 40%, transparent); }
.lesson-level[data-level="Intermediate"] { color: #C77D2E; border-color: color-mix(in srgb, #C77D2E 40%, transparent); }
.lesson-level[data-level="Advanced"]     { color: #C0453C; border-color: color-mix(in srgb, #C0453C 40%, transparent); }
[data-theme="dark"] .lesson-level[data-level="Beginner"]     { color: #5FCB8B; }
[data-theme="dark"] .lesson-level[data-level="Intermediate"] { color: #E9A75C; }
[data-theme="dark"] .lesson-level[data-level="Advanced"]     { color: #EE7B72; }

/* Completion tick */
.lesson-tick {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  border: 1.5px solid var(--border-strong);
  display: grid; place-items: center;
  color: transparent; font-size: 12px; font-weight: 700;
  transition: .25s;
}
.lesson-row.is-done .lesson-tick {
  background: var(--accent); border-color: var(--accent); color: var(--navy-deep);
}
.lesson-row.is-done h4 { color: var(--text-muted); }

/* Unbuilt lesson */
.lesson-row.is-soon { background: var(--surface-2); }
.lesson-row.is-soon .lesson-time::after { content: " · planned"; }
.lesson-row.is-soon .lesson-tick { border-style: dashed; }
.lesson-row:target { outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 4px; }

/* ---------- Module project (capstone) ---------- */
.capstone {
  --accent: var(--gold);
  margin-top: 26px; padding: 24px 26px;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 13%, var(--surface)), var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
}
.capstone-tag {
  font-family: var(--font-mono); font-size: .68rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent-ink, var(--accent));
  display: block; margin-bottom: 10px;
}
.capstone p { font-size: 1.06rem; line-height: 1.6; margin: 0; font-weight: 500; }

.planned-module-state {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 18px;
  align-items: start; margin-bottom: 24px; padding: 22px 24px;
  border: 1px dashed color-mix(in srgb, var(--accent) 44%, var(--border));
  border-radius: var(--radius-lg); background: color-mix(in srgb, var(--surface) 94%, var(--accent));
}
.planned-module-state svg { width: 28px; height: 28px; color: var(--accent-ink); }
.planned-module-state h3 { font-size: 1.15rem; }
.planned-module-state p { color: var(--text-muted); margin-top: 7px; max-width: 64ch; }

@media (max-width: 620px) {
  .capstone { padding: 20px; }
  .lesson-row { grid-template-columns: auto 1fr; gap: 12px; padding: 15px 16px; }
  .lesson-side { grid-column: 2; flex-wrap: wrap; gap: 8px 14px; margin-top: 8px; }
  .mod-card { padding: 22px 20px 20px; }
  .stage-head { gap: 14px; }
}
@media (max-width: 820px) {
  .mod-hero-grid { grid-template-columns: 1fr; align-items: start; }
  .module-progress-panel { max-width: 560px; }
}