/* ==========================================================================
   THE QUOTE THAT WINS — design tokens + component styles
   Art direction: blue-collar-meets-expert authority. Steel, charcoal, no
   orange. Engineered/technical type. Geometric cladding-panel motifs instead
   of stock photography. No SaaS gradients, no icon-in-circle grids.
   ========================================================================== */

/* ---------- Type scale (fluid clamp) ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 1rem + 6vw, 6.5rem);

  /* ---------- Spacing (4px base) ---------- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ---------- Radius ---------- */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  --transition-interactive: 160ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ---------- Content widths ---------- */
  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
  --content-full: 100%;

  /* ---------- Fonts ---------- */
  --font-display: 'Bricolage Grotesque', 'Arial Narrow', sans-serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* ---------- Light mode (default) — wabi-sabi × futuristic brutalism ---------- */
:root,
[data-theme='light'] {
  --color-bg: #eef0f0;
  --color-surface: #f5f6f5;
  --color-surface-2: #fafafa;
  --color-surface-offset: #e3e5e4;
  --color-surface-offset-2: #d6d9d8;
  --color-surface-dynamic: #c7cbca;
  --color-divider: #d0d3d2;
  --color-border: #b9bdbc;

  --color-text: #16171a;
  --color-text-muted: #5a5d60;
  --color-text-faint: #8f9294;
  --color-text-inverse: #f5f6f5;

  /* Primary: Slate Blue — text-safe accent for links, headings, icons */
  --color-primary: #3f4f63;
  --color-primary-hover: #33404f;
  --color-primary-active: #26303c;
  --color-primary-highlight: #dde3e8;

  /* Steel — same family, used for secondary surfaces */
  --color-steel: #3f4f63;
  --color-steel-hover: #33404f;
  --color-steel-highlight: #dde3e8;

  /* Neon Spark — button fills + glow only, never text-on-light */
  --color-neon: #17f1de;
  --color-neon-hover: #0fd9c8;
  --color-neon-text: #101214;

  --color-warning: #8a5a12;
  --color-warning-highlight: #e5d6bd;
  --color-error: #9c2b2b;
  --color-error-highlight: #e3cccc;
  --color-success: #3f6b34;
  --color-success-highlight: #d3ddc9;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 60 / 0.08);
  --shadow-md: 0 4px 14px oklch(0.2 0.02 60 / 0.12);
  --shadow-lg: 0 16px 40px oklch(0.2 0.02 60 / 0.18);

  --grid-line: oklch(from var(--color-text) l c h / 0.07);
}

[data-theme='dark'] {
  --color-bg: #101214;
  --color-surface: #16181b;
  --color-surface-2: #1b1e21;
  --color-surface-offset: #212427;
  --color-surface-offset-2: #292c30;
  --color-surface-dynamic: #34373b;
  --color-divider: #2a2d30;
  --color-border: #383b3f;

  --color-text: #eef0ef;
  --color-text-muted: #a3a6a8;
  --color-text-faint: #6b6e70;
  --color-text-inverse: #14161a;

  --color-primary: #9db2c4;
  --color-primary-hover: #b7c7d4;
  --color-primary-active: #d3dde4;
  --color-primary-highlight: #263440;

  --color-steel: #9db2c4;
  --color-steel-hover: #b7c7d4;
  --color-steel-highlight: #263440;

  --color-neon: #22ffe9;
  --color-neon-hover: #6bffef;
  --color-neon-text: #0a0c0d;

  --color-warning: #d1a153;
  --color-warning-highlight: #453727;
  --color-error: #d3736c;
  --color-error-highlight: #422925;
  --color-success: #8fbf74;
  --color-success-highlight: #2b3a25;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);

  --grid-line: oklch(from var(--color-text) l c h / 0.08);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #101214;
    --color-surface: #16181b;
    --color-surface-2: #1b1e21;
    --color-surface-offset: #212427;
    --color-surface-offset-2: #292c30;
    --color-surface-dynamic: #34373b;
    --color-divider: #2a2d30;
    --color-border: #383b3f;
    --color-text: #eef0ef;
    --color-text-muted: #a3a6a8;
    --color-text-faint: #6b6e70;
    --color-text-inverse: #14161a;
    --color-primary: #9db2c4;
    --color-primary-hover: #b7c7d4;
    --color-primary-active: #d3dde4;
    --color-primary-highlight: #263440;
    --color-steel: #9db2c4;
    --color-steel-hover: #b7c7d4;
    --color-steel-highlight: #263440;
    --color-neon: #22ffe9;
    --color-neon-hover: #6bffef;
    --color-neon-text: #0a0c0d;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 14px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
    --grid-line: oklch(from var(--color-text) l c h / 0.08);
  }
}

/* ==========================================================================
   Base layout
   ========================================================================== */

body {
  overflow-x: hidden;
}

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--default {
  max-width: var(--content-default);
}
.container--narrow {
  max-width: var(--content-narrow);
}

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--color-primary);
  display: inline-block;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

h2.section-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: var(--space-3);
  max-width: 22ch;
}
.section-head {
  margin-bottom: var(--space-12);
}
.section-head p {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  margin-top: var(--space-4);
  max-width: 58ch;
}

p {
  color: var(--color-text-muted);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  min-height: 48px;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-neon);
  color: var(--color-neon-text);
  box-shadow: var(--shadow-sm), 0 0 0 0 oklch(from var(--color-neon) l c h / 0);
  transition: box-shadow 0.2s ease, transform 0.15s ease, background 0.15s ease;
}
.btn-primary:hover {
  background: var(--color-neon-hover);
  box-shadow: var(--shadow-md), 0 0 26px oklch(from var(--color-neon) l c h / 0.55);
  transform: translateY(-1px);
}
.btn-primary:active {
  background: var(--color-neon);
  transform: translateY(0);
}
.btn-outline {
  background: transparent;
  border-color: oklch(from var(--color-text) l c h / 0.22);
  color: var(--color-text);
}
.btn-outline:hover {
  border-color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.04);
}
.btn-block {
  width: 100%;
}
.btn-lg {
  padding: var(--space-5) var(--space-8);
  font-size: var(--text-base);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header--hidden {
  transform: translateY(-100%);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}
.brand-logo {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  line-height: 1.1;
}
.brand-name span {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}
.main-nav {
  display: none;
  align-items: center;
  gap: var(--space-8);
}
.main-nav a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
}
.main-nav a:hover {
  color: var(--color-text);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.header-actions .btn {
  display: none;
}
@media (min-width: 900px) {
  .main-nav {
    display: flex;
  }
  .header-actions .btn {
    display: inline-flex;
  }
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(var(--space-16), 12vw, var(--space-32)) clamp(var(--space-12), 8vw, var(--space-24));
  overflow: hidden;
}
.hero-grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 1000px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}
.hero-tag {
  display: inline-block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 100%;
}
.hero-tag strong {
  color: var(--color-primary);
  font-weight: 600;
}
.hero h1 {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.02;
  color: var(--color-text);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-tagline {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-6);
  max-width: 46ch;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.hero-meta-item strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}
.hero-meta-item span {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Hero visual: facade photo */
.hero-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-steel);
  box-shadow: var(--shadow-lg);
}
.hero-visual img {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Problem / Agitation ---------- */
.problem-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.problem-grid {
  display: grid;
  gap: var(--space-8);
  margin-top: var(--space-12);
}
@media (min-width: 800px) {
  .problem-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.problem-card {
  padding-top: var(--space-6);
  border-top: 2px solid var(--color-text);
}
.problem-card .num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.08em;
}
.problem-card h3 {
  font-size: var(--text-lg);
  margin-top: var(--space-3);
  font-weight: 700;
}
.problem-card p {
  margin-top: var(--space-3);
  font-size: var(--text-base);
}
.problem-lede {
  font-size: var(--text-lg);
  color: var(--color-text);
  max-width: 62ch;
  font-weight: 500;
}
.problem-lede strong {
  color: var(--color-primary);
}

/* ---------- Who it's for ---------- */
.audience-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-12);
}
@media (min-width: 700px) {
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.audience-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-8);
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
}
.audience-card .mark {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-full);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.audience-card h3 {
  font-size: var(--text-lg);
  font-weight: 800;
  font-family: var(--font-display);
}
.audience-card p {
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}
.positioning-callout {
  margin-top: var(--space-8);
  margin-bottom: var(--space-12);
  padding: var(--space-8) var(--space-8) var(--space-8) var(--space-7);
  border-left: 6px solid var(--color-primary-highlight);
  background: var(--color-steel);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: var(--space-3);
}
.positioning-callout .eyebrow {
  color: var(--color-primary-highlight);
  font-weight: 700;
}
.positioning-callout .eyebrow::before {
  background: var(--color-primary-highlight);
}
.positioning-callout p {
  color: var(--color-text-inverse);
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-display);
  line-height: 1.3;
  max-width: 62ch;
}

/* ---------- Curriculum ---------- */
.curriculum-list {
  margin-top: var(--space-12);
  border-top: 1px solid var(--color-divider);
}
.module {
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-8);
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 860px) {
  .module {
    grid-template-columns: 200px 1fr;
  }
}
.module-label {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.module-label .module-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.module-label .module-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.module-body h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  font-family: var(--font-body);
}
.module-body .module-frame {
  color: var(--color-text);
  font-size: var(--text-base);
  margin-top: var(--space-2);
  font-style: italic;
}
.lesson-list {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-3);
}
.lesson-list li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  align-items: baseline;
}
.lesson-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-steel);
  flex-shrink: 0;
  margin-top: 0.45em;
}
.module-deliverable {
  margin-top: var(--space-5);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-steel);
  background: var(--color-steel-highlight);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}
[data-theme='dark'] .module-deliverable {
  color: var(--color-steel-hover);
}

.bonus-grid {
  margin-top: var(--space-16);
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 800px) {
  .bonus-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.bonus-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.bonus-card .bonus-letter {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-primary);
}
.bonus-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-body);
  margin-top: var(--space-3);
}
.bonus-card p {
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* ---------- Preview / lead magnet ---------- */
.preview-section {
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-xl);
  margin-inline: var(--space-5);
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
[data-theme='dark'] .preview-section {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}
.preview-section .eyebrow {
  color: var(--color-primary);
}
.preview-section .eyebrow::before {
  background: var(--color-primary);
}
.preview-section h2.section-title {
  color: var(--color-text-inverse);
}
[data-theme='dark'] .preview-section h2.section-title {
  color: var(--color-text);
}
.preview-section .section-head p {
  color: oklch(from var(--color-text-inverse) l c h / 0.65);
}
[data-theme='dark'] .preview-section .section-head p {
  color: var(--color-text-muted);
}
.preview-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-10);
}
@media (min-width: 900px) {
  .preview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.preview-card {
  background: oklch(from var(--color-text-inverse) l c h / 0.06);
  border: 1px solid oklch(from var(--color-text-inverse) l c h / 0.14);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}
[data-theme='dark'] .preview-card {
  background: var(--color-surface);
  border-color: var(--color-border);
}
.preview-card .preview-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.preview-card blockquote {
  margin-top: var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-inverse);
  font-style: italic;
  flex-grow: 1;
}
[data-theme='dark'] .preview-card blockquote {
  color: var(--color-text);
}
.preview-card cite {
  display: block;
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: oklch(from var(--color-text-inverse) l c h / 0.55);
  font-style: normal;
}
[data-theme='dark'] .preview-card cite {
  color: var(--color-text-faint);
}
.swap-table-wrap {
  margin-top: var(--space-10);
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid oklch(from var(--color-text-inverse) l c h / 0.14);
}
[data-theme='dark'] .swap-table-wrap {
  border-color: var(--color-border);
}
table.swap-table {
  width: 100%;
  min-width: 560px;
  font-size: var(--text-sm);
}
table.swap-table th,
table.swap-table td {
  text-align: left;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid oklch(from var(--color-text-inverse) l c h / 0.1);
  vertical-align: top;
}
[data-theme='dark'] table.swap-table th,
[data-theme='dark'] table.swap-table td {
  border-color: var(--color-border);
}
table.swap-table th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: oklch(from var(--color-text-inverse) l c h / 0.55);
  font-weight: 500;
}
[data-theme='dark'] table.swap-table th {
  color: var(--color-text-faint);
}
table.swap-table td {
  color: var(--color-text-inverse);
}
[data-theme='dark'] table.swap-table td {
  color: var(--color-text);
}
table.swap-table td.dont {
  color: oklch(from var(--color-text-inverse) l c h / 0.5);
  text-decoration: line-through;
  text-decoration-color: var(--color-primary);
}
[data-theme='dark'] table.swap-table td.dont {
  color: var(--color-text-faint);
}
table.swap-table td.do {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}
.preview-note {
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: oklch(from var(--color-text-inverse) l c h / 0.6);
  max-width: 60ch;
}
[data-theme='dark'] .preview-note {
  color: var(--color-text-muted);
}
.preview-note strong {
  color: var(--color-text-inverse);
}
[data-theme='dark'] .preview-note strong {
  color: var(--color-text);
}

/* ---------- Instructor ---------- */
.instructor-grid {
  display: grid;
  gap: var(--space-12);
  align-items: start;
  margin-top: var(--space-12);
}
@media (min-width: 900px) {
  .instructor-grid {
    grid-template-columns: 0.8fr 1.2fr;
  }
}
.instructor-portrait {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-steel);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}
.instructor-badge-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary-highlight);
  line-height: 1;
}
.instructor-badge-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-inverse);
  opacity: 0.75;
}
.instructor-body .credentials {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-4);
}
.instructor-body .credential {
  display: flex;
  gap: var(--space-4);
  align-items: baseline;
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-divider);
}
.instructor-body .credential .yrs {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-primary);
  flex-shrink: 0;
  min-width: 3.5ch;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  gap: var(--space-8);
  margin-top: var(--space-12);
}
@media (min-width: 800px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
}
.price-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.price-card--featured::before {
  content: 'Founding Member';
  position: absolute;
  top: 0;
  right: var(--space-8);
  transform: translateY(-50%);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}
.price-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
}
.price-card .price-desc {
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}
.price-line {
  margin-top: var(--space-8);
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}
.price-line .was {
  font-size: var(--text-lg);
  color: var(--color-text-faint);
  text-decoration: line-through;
}
.price-line .now {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
}
.price-line .cur {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.price-sub {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-2);
}
.price-features {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-3);
  flex-grow: 1;
}
.price-features li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  align-items: flex-start;
}
.price-features li svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}
.price-card .btn {
  margin-top: var(--space-8);
}
.pricing-note {
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 66ch;
}

/* ---------- FAQ ---------- */
.faq-list {
  margin-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}
.faq-item {
  border-bottom: 1px solid var(--color-divider);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-6);
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}
.faq-question .icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-interactive);
}
.faq-item[data-open='true'] .faq-question .icon {
  transform: rotate(45deg);
}
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item[data-open='true'] .faq-answer {
  max-height: 400px;
}
.faq-answer-inner {
  padding-bottom: var(--space-6);
  font-size: var(--text-sm);
  max-width: 68ch;
}

/* ---------- Final CTA ---------- */
.final-cta {
  background: var(--color-steel);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  margin-inline: var(--space-5);
  padding: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-6), 6vw, var(--space-16));
  text-align: left;
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 900px) {
  .final-cta {
    grid-template-columns: 1.2fr auto;
    align-items: center;
  }
}
.final-cta h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #fff;
}
.final-cta p {
  color: #cfdce3;
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  max-width: 44ch;
}
.final-cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.final-cta .btn-primary {
  background: var(--color-neon);
}

/* ---------- Email capture form ---------- */
.capture-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  max-width: 420px;
}
.capture-form .field-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.capture-form input[type='email'],
.capture-form input[type='text'] {
  flex: 1;
  min-width: 180px;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: var(--text-sm);
  min-height: 48px;
}
.capture-form input::placeholder {
  color: var(--color-text-faint);
}
.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.final-cta .capture-form input[type='email'],
.final-cta .capture-form input[type='text'] {
  background: oklch(from var(--color-text-inverse) l c h / 0.1);
  border-color: oklch(from var(--color-text-inverse) l c h / 0.25);
  color: #fff;
}
.final-cta .capture-form input::placeholder {
  color: oklch(from var(--color-text-inverse) l c h / 0.5);
}
.final-cta .form-note {
  color: oklch(from var(--color-text-inverse) l c h / 0.55);
}
.final-cta .form-note a {
  color: var(--color-text-inverse);
  text-decoration: underline;
}
.form-success {
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-success);
  padding: var(--space-3) 0;
}
[data-theme='dark'] .form-success {
  color: var(--color-success);
}
.final-cta .form-success {
  color: #bfe3a8;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: oklch(0.1 0 0 / 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 100;
}
.modal-overlay[data-open='true'] {
  display: flex;
}
.modal {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.modal-close:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.modal h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  padding-right: var(--space-8);
}
.modal p {
  font-size: var(--text-sm);
  margin-top: var(--space-3);
}
.modal .capture-form {
  margin-top: var(--space-6);
  max-width: none;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
}
.footer-grid {
  display: grid;
  gap: var(--space-10);
}
@media (min-width: 800px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}
.footer-brand .brand-name {
  font-size: var(--text-base);
}
.footer-brand p {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  max-width: 34ch;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: grid;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-col a:hover {
  color: var(--color-text);
}
.footer-bottom {
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ---------- Utility: scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Mobile nav ---------- */
.mobile-nav-toggle {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
@media (min-width: 900px) {
  .mobile-nav-toggle {
    display: none;
  }
}
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5) var(--space-6);
  border-top: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.mobile-nav[data-open='true'] {
  display: flex;
}
.mobile-nav a {
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav .btn {
  margin-top: var(--space-4);
}
@media (min-width: 900px) {
  .mobile-nav {
    display: none !important;
  }
}