/* ==========================================================================
   Bridgetree Learn — Bodaswift Design System
   Structure, scale and component vocabulary from Bodaswift.
   Colour anchored to the Bridgetree brand (orange primary, gold accent).
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. FONTS
   Display: Bricolage Grotesque · Body: Manrope · Mono: JetBrains Mono
   -------------------------------------------------------------------------- */
/* Fonts are loaded with <link> tags in the page <head> (faster than @import). */

/* --------------------------------------------------------------------------
   2. TOKENS
   -------------------------------------------------------------------------- */
:root {

  /* --- Ink (neutral ramp, from Bodaswift) --- */
  --ink-50:  #F4F4F5;
  --ink-100: #E5E6E8;
  --ink-200: #C9CBD0;
  --ink-300: #9CA0A8;
  --ink-400: #6B707A;
  --ink-500: #474C55;
  --ink-600: #2E323A;
  --ink-700: #1C2026;
  --ink-800: #14171C;
  --ink-900: #0B0E11;

  /* --- Paper (warm ground, from Bodaswift) --- */
  --paper:   #FBF8F2;
  --paper-2: #F3EFE6;
  --paper-3: #E8E3D5;

  /* --- Brand: Bridgetree orange, ramped Bodaswift-style --- */
  --brand-50:  #FFF2ED;
  --brand-100: #FFDECF;
  --brand-200: #FFB998;
  --brand-300: #FB9264;
  --brand-400: #F66C3C;
  --brand-500: #F04A22;  /* Bridgetree "LEARN" orange */
  --brand-600: #D63A14;
  --brand-700: #AB2C0D;
  --brand-800: #7D1F06;
  --brand-900: #4E1200;

  /* --- Accent: Bridgetree gold (occupies Bodaswift's "spark" slot) --- */
  --gold-50:  #FDF6E7;
  --gold-100: #F8E7BE;
  --gold-200: #F0D08A;
  --gold-300: #E6B95A;
  --gold-400: #DCA83C;
  --gold-500: #C8912A;
  --gold-600: #A5741F;
  --gold-700: #7E5716;
  --gold-800: #573B0E;
  --gold-900: #332106;

  /* --- Semantic --- */
  --success-500: #1F7A4A;
  --success-100: #DCEEDF;
  --success-text:#17603A;   /* AA-safe on --success-100 */
  --warning-500: #E8A500;
  --warning-100: #FCEFC7;
  --warning-text:#8A6300;
  --danger-500:  #C4291A;
  --danger-100:  #F8D6CF;
  --danger-text: #A32115;
  --info-500:    #1B5BB8;
  --info-100:    #D5E2F4;

  /* --- Roles --- */
  --bg:          var(--paper);
  --bg-sunken:   var(--paper-2);
  --bg-elevated: #FFFFFF;
  --bg-inverse:  var(--ink-900);

  --fg:          var(--ink-900);
  --fg-muted:    var(--ink-500);
  --fg-subtle:   var(--ink-400);
  --fg-on-dark:  var(--paper);
  --fg-on-brand: #FFFFFF;

  --border:         rgba(11, 14, 17, 0.10);
  --border-strong:  rgba(11, 14, 17, 0.18);
  --border-on-dark: rgba(251, 248, 242, 0.12);

  /* --brand is the identity hue (accents, rings, glows).
     --brand-solid is the fill used behind white text — one step darker
     so it clears WCAG AA at normal text size (4.69:1 vs 3.68:1). */
  --brand:       var(--brand-500);
  --brand-solid: var(--brand-600);
  --brand-hover: var(--brand-700);
  --brand-press: var(--brand-800);
  --brand-soft:  var(--brand-50);
  --brand-text:  var(--brand-700);  /* brand colour safe for body-size text */

  --accent:      var(--gold-400);
  --accent-soft: var(--gold-50);

  /* --- Type --- */
  --font-display: 'Bricolage Grotesque', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Manrope', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --text-xs:   0.75rem;    /* 12 */
  --text-sm:   0.875rem;   /* 14 */
  --text-base: 1rem;       /* 16 */
  --text-lg:   1.125rem;   /* 18 */
  --text-xl:   1.375rem;   /* 22 */
  --text-2xl:  1.75rem;    /* 28 */
  --text-3xl:  2.25rem;    /* 36 */
  --text-4xl:  3rem;       /* 48 */
  --text-5xl:  4rem;       /* 64 */
  --text-6xl:  5.25rem;    /* 84 */

  --leading-tight: 1.05;
  --leading-snug:  1.25;
  --leading-body:  1.6;

  --tracking-tight: -0.03em;
  --tracking-eyebrow: 0.12em;

  /* --- Spacing: 4px base, 12-step ramp --- */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-7:  32px;
  --sp-8:  40px;
  --sp-9:  48px;
  --sp-10: 64px;
  --sp-11: 80px;
  --sp-12: 96px;

  /* --- Radii --- */
  --r-sm:    8px;
  --r-md:    12px;   /* default: inputs, small controls */
  --r-lg:    20px;   /* cards */
  --r-xl:    28px;   /* sheets, large panels */
  --r-pill:  999px;

  /* --- Motion: snap is the signature --- */
  --dur-snap: 140ms;
  --dur-base: 220ms;
  --dur-slow: 360ms;
  --ease-snap: cubic-bezier(0.2, 0.9, 0.2, 1);
  --ease-out:  cubic-bezier(0.22, 1, 0.36, 1);

  /* --- Shadows: soft, low contrast; speed shadow is brand-tinted --- */
  --shadow-sm:    0 1px 2px rgba(11, 14, 17, 0.05),
                  0 1px 3px rgba(11, 14, 17, 0.04);
  --shadow-md:    0 2px 4px rgba(11, 14, 17, 0.04),
                  0 6px 16px rgba(11, 14, 17, 0.06);
  --shadow-lg:    0 4px 8px rgba(11, 14, 17, 0.04),
                  0 16px 40px rgba(11, 14, 17, 0.08);
  --shadow-speed: 0 6px 20px rgba(240, 74, 34, 0.28),
                  0 2px 6px rgba(240, 74, 34, 0.18);

  --ring: 0 0 0 3px rgba(240, 74, 34, 0.28);

  /* --- Layout --- */
  --container: 1160px;
  --container-narrow: 780px;
}

/* --------------------------------------------------------------------------
   3. BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--sp-4);
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 6vw, var(--text-6xl)); }
h2 { font-size: clamp(2rem, 4.4vw, var(--text-4xl)); }
h3 { font-size: clamp(1.25rem, 2.4vw, var(--text-2xl)); }
h4 { font-size: var(--text-xl); }

p { margin: 0 0 var(--sp-4); max-width: 68ch; }

a { color: var(--brand-text); text-decoration: none; }
a:hover { color: var(--brand-800); }

img, svg { max-width: 100%; display: block; }

::selection { background: var(--brand-200); color: var(--ink-900); }

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: var(--r-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   4. LAYOUT
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: clamp(var(--sp-10), 9vw, var(--sp-12)); }
.section--sunken  { background: var(--bg-sunken); }
.section--inverse { background: var(--bg-inverse); color: var(--fg-on-dark); }
.section--inverse h1,
.section--inverse h2,
.section--inverse h3 { color: var(--fg-on-dark); }
.section--inverse p  { color: var(--ink-200); }

.stack > * + * { margin-top: var(--sp-4); }

.grid { display: grid; gap: var(--sp-6); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

/* --------------------------------------------------------------------------
   5. TYPOGRAPHY HELPERS
   -------------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--gold-700);
  margin-bottom: var(--sp-3);
}
.section--inverse .eyebrow { color: var(--gold-300); }

.lead {
  font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
  color: var(--fg-muted);
  line-height: 1.5;
}
.section--inverse .lead { color: var(--ink-200); }

.display-italic {
  font-style: italic;
  font-weight: 800;
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.text-muted  { color: var(--fg-muted); }
.text-subtle { color: var(--fg-subtle); }
.text-brand  { color: var(--brand-text); }

/* --------------------------------------------------------------------------
   6. BUTTONS
   Primary · secondary · soft · ghost · danger · pill
   -------------------------------------------------------------------------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--fg);
  --btn-border: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  min-height: 48px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid var(--btn-border);
  border-radius: var(--r-md);
  background: var(--btn-bg);
  color: var(--btn-fg);
  transition:
    background var(--dur-snap) var(--ease-snap),
    border-color var(--dur-snap) var(--ease-snap),
    transform var(--dur-snap) var(--ease-snap),
    box-shadow var(--dur-base) var(--ease-out);
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  --btn-bg: var(--brand-solid);
  --btn-fg: var(--fg-on-brand);
  box-shadow: var(--shadow-speed);
}
.btn--primary:hover { --btn-bg: var(--brand-hover); color: var(--fg-on-brand); }
.btn--primary:active { --btn-bg: var(--brand-press); }

.btn--secondary {
  --btn-fg: var(--fg);
  --btn-border: var(--border-strong);
  --btn-bg: transparent;
}
.btn--secondary:hover { --btn-bg: var(--paper-2); color: var(--fg); }

.btn--soft {
  --btn-bg: var(--brand-soft);
  --btn-fg: var(--brand-700);
}
.btn--soft:hover { --btn-bg: var(--brand-100); color: var(--brand-800); }

.btn--ghost { --btn-fg: var(--fg-muted); }
.btn--ghost:hover { --btn-bg: var(--paper-2); color: var(--fg); }

.btn--danger {
  --btn-bg: var(--danger-500);
  --btn-fg: #FFFFFF;
}

.btn--pill { border-radius: var(--r-pill); padding-inline: var(--sp-7); }

.btn--lg { min-height: 56px; font-size: var(--text-lg); padding-inline: var(--sp-7); }
.btn--block { width: 100%; }

.section--inverse .btn--secondary {
  --btn-fg: var(--fg-on-dark);
  --btn-border: var(--border-on-dark);
}
.section--inverse .btn--secondary:hover { --btn-bg: rgba(251,248,242,0.08); color: var(--fg-on-dark); }

/* --------------------------------------------------------------------------
   7. CARDS
   Default · dark · brand · 20px radius
   -------------------------------------------------------------------------- */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-7);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
.card--interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card--dark {
  background: var(--ink-900);
  border-color: var(--border-on-dark);
  color: var(--fg-on-dark);
}
.card--dark h3 { color: var(--fg-on-dark); }
.card--dark p  { color: var(--ink-200); }

.card--brand {
  background: var(--brand-solid);
  border-color: transparent;
  color: var(--fg-on-brand);
}
.card--brand h3, .card--brand p { color: var(--fg-on-brand); }

.card--featured {
  border-color: var(--brand-300);
  box-shadow: var(--shadow-md);
  position: relative;
}

.card__header { margin-bottom: var(--sp-5); }
.card__footer {
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}
.card--dark .card__footer { border-color: var(--border-on-dark); }

/* --------------------------------------------------------------------------
   8. BADGES & STATUS PILLS
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-pill);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--paper-2);
  color: var(--fg-muted);
  white-space: nowrap;
}
.badge--brand   { background: var(--brand-soft);   color: var(--brand-text); }
.badge--gold    { background: var(--gold-50);      color: var(--gold-700); }
.badge--success { background: var(--success-100);  color: var(--success-text); }
.badge--warning { background: var(--warning-100);  color: var(--warning-text); }
.badge--danger  { background: var(--danger-100);   color: var(--danger-text); }
.badge--info    { background: var(--info-100);     color: var(--info-500); }
.badge--solid   { background: var(--brand-solid);  color: var(--fg-on-brand); }

/* Tech / topic chips — lighter weight than badges */
.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-elevated);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--fg-muted);
}
.chip--new {
  border-color: var(--gold-300);
  background: var(--gold-50);
  color: var(--gold-700);
}

/* --------------------------------------------------------------------------
   9. INPUTS & FIELDS
   12px radius · 1.5px border · brand focus ring
   -------------------------------------------------------------------------- */
.field { display: block; margin-bottom: var(--sp-5); }

.label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--fg);
}
.label__req { color: var(--brand-600); }

.input,
.select,
.textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  min-height: 48px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--fg);
  background: var(--bg-elevated);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-md);
  transition:
    border-color var(--dur-snap) var(--ease-snap),
    box-shadow var(--dur-snap) var(--ease-snap);
}
.input::placeholder, .textarea::placeholder { color: var(--fg-subtle); }

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: var(--ring);
}

.textarea { min-height: 120px; resize: vertical; line-height: var(--leading-body); }

.select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236B707A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-4) center;
  padding-right: var(--sp-10);
}

.help { margin-top: var(--sp-2); font-size: var(--text-sm); color: var(--fg-subtle); }

/* Selectable option card (e.g. track picker) */
.option-card {
  display: block;
  padding: var(--sp-5);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-lg);
  background: var(--bg-elevated);
  cursor: pointer;
  transition:
    border-color var(--dur-snap) var(--ease-snap),
    background var(--dur-snap) var(--ease-snap),
    box-shadow var(--dur-base) var(--ease-out);
}
.option-card:hover { border-color: var(--brand-300); }
.option-card input { position: absolute; opacity: 0; pointer-events: none; }
.option-card:has(input:checked) {
  border-color: var(--brand);
  background: var(--brand-soft);
  box-shadow: var(--ring);
}

/* --------------------------------------------------------------------------
   10. LIST ROWS
   -------------------------------------------------------------------------- */
.row {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border);
}
.row:last-child { border-bottom: 0; }
.row__icon {
  flex: none;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--brand-soft);
  color: var(--brand-600);
}
.row__body { flex: 1 1 auto; min-width: 0; }
.row__title { font-weight: 700; }
.row__meta  { font-size: var(--text-sm); color: var(--fg-subtle); }
.row__trail { flex: none; margin-left: auto; font-weight: 700; }

/* Numbered step list */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: var(--sp-10);
  margin-bottom: var(--sp-6);
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: 0;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: var(--r-pill);
  background: var(--ink-900);
  color: var(--gold-300);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   11. NAVIGATION
   -------------------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 248, 242, 0.82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  min-height: 68px;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
  color: var(--fg);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  margin-left: auto;
}
.nav__link {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--fg-muted);
  padding-block: var(--sp-2);
  position: relative;
}
.nav__link:hover { color: var(--fg); }
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  border-radius: var(--r-pill);
  background: var(--brand);
  transform: scaleX(0);
  transition: transform var(--dur-snap) var(--ease-snap);
}
.nav__link:hover::after,
.nav__link[aria-current='true']::after { transform: scaleX(1); }

@media (max-width: 860px) { .nav__links { display: none; } }

/* Segmented control (e.g. Foundation / Professional curriculum toggle) */
.segmented {
  display: inline-flex;
  padding: var(--sp-1);
  gap: var(--sp-1);
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
}
.segmented__item {
  padding: var(--sp-3) var(--sp-6);
  border: 0;
  border-radius: var(--r-pill);
  background: transparent;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--fg-muted);
  cursor: pointer;
  transition:
    background var(--dur-snap) var(--ease-snap),
    color var(--dur-snap) var(--ease-snap);
}
.segmented__item[aria-selected='true'] {
  background: var(--bg-elevated);
  color: var(--fg);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   12. STICKY CTA BAR & FAB
   -------------------------------------------------------------------------- */
.cta-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  padding: var(--sp-4) var(--sp-6);
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 32px rgba(11, 14, 17, 0.08);
  transform: translateY(100%);
  transition: transform var(--dur-slow) var(--ease-out);
}
.cta-bar[data-visible='true'] { transform: translateY(0); }
.cta-bar__price { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; }
.cta-bar__note  { font-size: var(--text-sm); color: var(--fg-subtle); }
.cta-bar .btn   { margin-left: auto; }

.fab {
  position: fixed;
  right: var(--sp-6);
  bottom: var(--sp-6);
  z-index: 55;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-pill);
  background: var(--success-500);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  transition: transform var(--dur-snap) var(--ease-snap), opacity var(--dur-slow) var(--ease-out), bottom var(--dur-slow) var(--ease-out);
}
.fab:hover { transform: scale(1.04); color: #FFFFFF; }
/* Hidden over the hero (it covered the hero buttons); once the sticky CTA bar
   appears, sit just above it instead of behind it. */
.fab[data-visible='false'] { opacity: 0; pointer-events: none; }
.fab[data-visible='true'] { bottom: calc(var(--cta-bar-h, 0px) + var(--sp-4)); }

/* --------------------------------------------------------------------------
   13. HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink-900);
  color: var(--fg-on-dark);
  overflow: hidden;
  padding-block: clamp(var(--sp-11), 12vw, 160px);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 85% 20%, rgba(240, 74, 34, 0.22), transparent 70%),
    radial-gradient(50% 70% at 10% 90%, rgba(220, 168, 60, 0.14), transparent 70%);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 { color: var(--fg-on-dark); }
.hero .lead { color: var(--ink-200); max-width: 60ch; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-8);
}

.hero .btn--secondary {
  --btn-fg: var(--fg-on-dark);
  --btn-border: var(--border-on-dark);
}
.hero .btn--secondary:hover {
  --btn-bg: rgba(251, 248, 242, 0.08);
  color: var(--fg-on-dark);
}

/* Announcement strip above the fold */
.announce {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-5);
  border: 1px solid var(--border-on-dark);
  border-radius: var(--r-pill);
  background: rgba(251, 248, 242, 0.06);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--gold-300);
  margin-bottom: var(--sp-6);
}
.announce__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--brand-400);
  box-shadow: 0 0 0 4px rgba(240, 74, 34, 0.22);
}

/* --------------------------------------------------------------------------
   14. STAT STRIP
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-6);
  margin-top: var(--sp-9);
  padding-top: var(--sp-7);
  border-top: 1px solid var(--border-on-dark);
}
.stat__label {
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-300);
  margin-bottom: var(--sp-2);
}
.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
}
@media (max-width: 620px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* --------------------------------------------------------------------------
   15. PRICE BLOCK
   -------------------------------------------------------------------------- */
.price { display: flex; align-items: baseline; gap: var(--sp-3); }
.price__amount {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
}
.price__was {
  font-size: var(--text-lg);
  color: var(--fg-subtle);
  text-decoration: line-through;
}
.price__note { font-size: var(--text-sm); color: var(--fg-muted); margin-top: var(--sp-2); }

/* --------------------------------------------------------------------------
   16. MARQUEE (tech stack ticker)
   -------------------------------------------------------------------------- */
.marquee {
  overflow: hidden;
  padding-block: var(--sp-6);
  border-block: 1px solid var(--border);
  background: var(--bg-sunken);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  gap: var(--sp-6);
  width: max-content;
  animation: marquee 42s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* --------------------------------------------------------------------------
   17. ACCORDION (FAQ)
   -------------------------------------------------------------------------- */
.accordion { border-top: 1px solid var(--border); }
.accordion__item { border-bottom: 1px solid var(--border); }
.accordion__item > summary {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-6) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.accordion__item > summary::-webkit-details-marker { display: none; }
.accordion__item > summary::after {
  content: '';
  margin-left: auto;
  width: 20px; height: 20px;
  flex: none;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
          mask: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform var(--dur-base) var(--ease-snap);
}
.accordion__item[open] > summary::after { transform: rotate(180deg); }
.accordion__panel { padding-bottom: var(--sp-6); color: var(--fg-muted); }

/* --------------------------------------------------------------------------
   18. TIMELINE (curriculum weeks)
   -------------------------------------------------------------------------- */
.timeline { position: relative; padding-left: var(--sp-8); }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--brand-200), var(--gold-200));
  border-radius: var(--r-pill);
}
.timeline__item { position: relative; padding-bottom: var(--sp-7); }
.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(var(--sp-8) * -1);
  top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--brand);
}
.timeline__week {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-text);
  margin-bottom: var(--sp-1);
}
.timeline__title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); }
.timeline__body  { color: var(--fg-muted); font-size: var(--text-sm); }

/* --------------------------------------------------------------------------
   19. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background: var(--ink-900);
  color: var(--ink-200);
  padding-block: var(--sp-10) var(--sp-7);
}
.footer a { color: var(--ink-200); }
.footer a:hover { color: var(--gold-300); }
.footer__bottom {
  margin-top: var(--sp-8);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-on-dark);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
  font-size: var(--text-sm);
  color: var(--ink-300);
}

/* --------------------------------------------------------------------------
   20. UTILITIES
   -------------------------------------------------------------------------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.center { text-align: center; }
.center p, .center .lead { margin-inline: auto; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.flex { display: flex; gap: var(--sp-4); flex-wrap: wrap; align-items: center; }

/* Reveal-on-scroll (pair with an IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}
.reveal[data-in='true'] { opacity: 1; transform: none; }