/* ============================================================================
   CommitLab Landing Page — Handcrafted CSS (Bolder Chunky Pastel Aesthetic)
   Saturated pastel blocks, 2px dark outlines, 4px hard offset shadows,
   large mascot hero character, full-bleed rhythm breaker, WCAG AA verified.
   Budget: < 25 KB unminified.
   ========================================================================== */

/* --- Font Faces ---------------------------------------------------------- */
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../assets/fonts/bricolage-grotesque.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("../assets/fonts/dm-sans.woff2") format("woff2");
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../assets/fonts/jetbrains-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../assets/fonts/jetbrains-mono-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --- Tokens -------------------------------------------------------------- */
:root {
  --color-ink: #1e1b3a;
  --color-ink-muted: #3c395a;
  --color-ink-faint: #565478;
  --color-on-ink: #ffffff;

  --color-page: #f6f7ff;
  --color-page-2: #f0f4ff;
  --color-surface: #ffffff;

  /* Saturated Pastel Block Fills */
  --color-peri-soft: #e4e9ff;
  --color-peri-base: #aebbf7;
  --color-peri-ink: #2b3a8f;

  --color-lav-soft: #ede6ff;
  --color-lav-base: #c7b2f7;
  --color-lav-ink: #4a2e8f;

  --color-mint-soft: #dff6ec;
  --color-mint-base: #9ee4c7;
  --color-mint-ink: #14624a;

  --color-sky-soft: #deefff;
  --color-sky-base: #a6d2f8;
  --color-sky-ink: #10457e;

  --color-coral-soft: #ffe6e6;
  --color-coral-base: #f7b4b4;
  --color-coral-ink: #9b1c31;

  --color-butter-soft: #fff4d6;
  --color-butter-base: #f7dd8e;
  --color-butter-ink: #6b4e00;

  /* Code Editor */
  --color-code-bg: #171533;
  --color-code-bar: #211d45;
  --color-code-text: #edebff;
  --color-code-gutter: #a49bd0;
  --color-code-comment: #9b94c7;
  --color-code-string: #a9e8c9;
  --color-code-number: #b9c8ff;
  --color-code-keyword: #ffafa3;
  --color-code-hl: #2f2a5c;

  /* Geometry & Chunky Shadows */
  --radius-card: 24px;
  --radius-inner: 18px;
  --radius-badge: 12px;
  --radius-pill: 9999px;

  /* Hard offset shadows */
  --shadow-hard: 4px 4px 0 var(--color-ink);
  --shadow-hard-lg: 6px 6px 0 var(--color-ink);
  --shadow-btn: 3px 3px 0 var(--color-ink);
  --shadow-btn-hover: 5px 5px 0 var(--color-ink);

  --font-display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --font-body: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base -------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-page);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--color-page);
  background-image:
    radial-gradient(120% 80% at 12% 0%, #ede6ff 0%, transparent 55%),
    radial-gradient(110% 75% at 88% 4%, #dff6ec 0%, transparent 50%),
    linear-gradient(180deg, var(--color-page) 0%, var(--color-page-2) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

code, pre, kbd, .font-mono {
  font-family: var(--font-mono);
  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; font-size: inherit; cursor: pointer; border: none; background: none; }

:focus-visible {
  outline: 3px solid var(--color-ink);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px #ffffff;
  border-radius: var(--radius-badge);
}

/* --- Layout -------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 768px) {
  .container { padding-inline: 2rem; }
}

.section-gap {
  padding-block: 4.5rem;
}
@media (min-width: 768px) {
  .section-gap { padding-block: 5.5rem; }
}

/* Full-bleed color band (Breaks visual rhythm) */
.section-bleed {
  background: var(--color-code-bg);
  color: #edeaff;
  padding-block: 5rem;
  border-block: 2px solid var(--color-ink);
  position: relative;
}

/* --- Typography ---------------------------------------------------------- */
.cl-disp {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.cl-disp2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.cl-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-peri-ink);
}

.highlight-word {
  color: var(--color-lav-ink);
  position: relative;
  display: inline-block;
}
.highlight-word::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: 2px;
  height: 10px;
  background: var(--color-butter-base);
  opacity: 0.7;
  border-radius: 4px;
  z-index: -1;
}

/* --- Chunky Pastel Cards ------------------------------------------------- */
.cl-card {
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-hard);
  transition: transform 180ms var(--ease-soft), box-shadow 180ms var(--ease-soft);
}

.cl-card-lg {
  box-shadow: var(--shadow-hard-lg);
}

.cl-tint-peri { background: var(--color-peri-soft); color: var(--color-peri-ink); }
.cl-tint-lav { background: var(--color-lav-soft); color: var(--color-lav-ink); }
.cl-tint-mint { background: var(--color-mint-soft); color: var(--color-mint-ink); }
.cl-tint-sky { background: var(--color-sky-soft); color: var(--color-sky-ink); }
.cl-tint-coral { background: var(--color-coral-soft); color: var(--color-coral-ink); }
.cl-tint-butter { background: var(--color-butter-soft); color: var(--color-butter-ink); }

/* --- Badges & Chips (Readable >= 13px) ----------------------------------- */
.cl-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-ink);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  background: var(--color-surface);
  color: var(--color-ink);
}

.cl-tag-solid {
  background: var(--color-ink);
  color: var(--color-on-ink);
}

.cl-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  flex: none;
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-on-ink);
  font-size: 1rem;
  font-weight: 800;
  font-family: var(--font-display);
}

.cl-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  flex: none;
  border-radius: var(--radius-badge);
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-ink);
}

/* --- Chunky Buttons with Hard Offset Shadows ----------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: 2px solid var(--color-ink);
  transition: transform 160ms var(--ease-soft), box-shadow 160ms var(--ease-soft), background-color 160ms var(--ease-soft);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-on-ink);
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-btn-hover);
}
.btn-primary:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--color-ink);
}

.btn-sec {
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-btn);
}
.btn-sec:hover {
  background: var(--color-peri-soft);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-btn-hover);
}
.btn-sec:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--color-ink);
}

.btn-accent {
  background: var(--color-lav-soft);
  color: var(--color-lav-ink);
  box-shadow: var(--shadow-btn);
}
.btn-accent:hover {
  background: var(--color-lav-base);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-btn-hover);
}

.btn-lg {
  padding: 0.95rem 2.25rem;
  font-size: 1.1rem;
  min-height: 52px;
}
.btn-md {
  padding: 0.65rem 1.4rem;
  font-size: 0.95rem;
  min-height: 44px;
}
.btn-sm {
  padding: 0.45rem 1.15rem;
  font-size: 0.875rem;
  min-height: 38px;
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: 2px 2px 0 var(--color-ink) !important;
}

/* --- Header -------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 247, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-ink);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.55rem;
  color: var(--color-ink);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}
@media (min-width: 900px) {
  .nav-links { display: flex; }
}

.nav-link {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-ink-muted);
  transition: color 150ms ease;
}
.nav-link:hover { color: var(--color-ink); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-badge);
  border: 2px solid var(--color-ink);
  background: var(--color-surface);
  box-shadow: 2px 2px 0 var(--color-ink);
  padding: 8px;
}
@media (min-width: 900px) {
  .mobile-menu-btn { display: none; }
}
.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-ink);
  box-shadow: var(--shadow-hard);
}

/* --- Hero Section & Mascot Placement ------------------------------------- */
.hero {
  padding-top: 4.5rem;
  padding-bottom: 5rem;
  position: relative;
}
@media (min-width: 992px) {
  .hero {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.05fr 1fr;
    gap: 3.5rem;
  }
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.85rem);
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 1.8vw, 1.25rem);
  line-height: 1.6;
  color: var(--color-ink-muted);
  max-width: 36rem;
  margin-bottom: 1.25rem;
}

.hero-subtext-free-paid {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-lav-ink);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Large Illustrated Mascot Character beside/overlapping Hero Demo */
.mascot-hero-wrap {
  position: relative;
}

.mascot-hero-char {
  width: 160px;
  height: 160px;
  position: absolute;
  top: -85px;
  right: 15px;
  z-index: 10;
  filter: drop-shadow(4px 4px 0 var(--color-ink));
  transition: transform 220ms var(--ease-bounce);
}
@media (min-width: 768px) {
  .mascot-hero-char {
    width: 195px;
    height: 195px;
    top: -95px;
    right: 25px;
  }
}

/* --- Hero Live Problem Demo Card ---------------------------------------- */
.demo-card {
  position: relative;
  border-radius: var(--radius-card);
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  box-shadow: var(--shadow-hard-lg);
  padding: 1.5rem;
  margin-top: 55px;
}
@media (min-width: 640px) {
  .demo-card {
    padding: 2rem;
    margin-top: 45px;
  }
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.demo-prompt {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--color-ink);
}

.code-panel {
  background: var(--color-code-bg);
  color: var(--color-code-text);
  border-radius: var(--radius-inner);
  border: 2px solid var(--color-ink);
  overflow: hidden;
  margin-bottom: 1.25rem;
  box-shadow: 3px 3px 0 var(--color-ink);
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0.65rem 1rem;
  background: var(--color-code-bar);
  border-bottom: 2px solid rgba(255, 255, 255, 0.08);
}

.traffic-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1.5px solid var(--color-ink);
}
.traffic-dot.coral { background: var(--color-coral-base); }
.traffic-dot.butter { background: var(--color-butter-base); }
.traffic-dot.mint { background: var(--color-mint-base); }

.code-filename {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-code-comment);
}
.code-lang-tag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-code-text);
}

.code-body {
  padding: 1.15rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.code-line {
  display: flex;
  border-radius: 4px;
  padding-inline: 4px;
}
.code-line.hl {
  background: var(--color-code-hl);
}

.line-num {
  width: 2rem;
  text-align: right;
  margin-right: 1.25rem;
  color: var(--color-code-gutter);
  user-select: none;
  flex-shrink: 0;
}

.tok-comment { color: var(--color-code-comment); font-style: italic; }
.tok-string { color: var(--color-code-string); }
.tok-number { color: var(--color-code-number); }
.tok-keyword { color: var(--color-code-keyword); font-weight: 700; }

/* Options Grid */
.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}
@media (min-width: 580px) {
  .options-grid { grid-template-columns: 1fr 1fr; }
}

.option-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-inner);
  border: 2px solid var(--color-ink);
  background: var(--color-surface);
  box-shadow: 2px 2px 0 var(--color-ink);
  text-align: left;
  transition: all 160ms var(--ease-soft);
  cursor: pointer;
}
.option-btn:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--color-ink);
  background: var(--color-peri-soft);
}
.option-btn.selected {
  background: var(--color-peri-base) !important;
  box-shadow: 3px 3px 0 var(--color-ink);
  transform: translate(-1px, -1px);
}
.option-btn.correct {
  background: var(--color-mint-soft) !important;
  color: var(--color-mint-ink);
}
.option-btn.incorrect {
  background: var(--color-coral-soft) !important;
  color: var(--color-coral-ink);
}

.option-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  flex: 1;
}

.option-status-icon {
  margin-left: auto;
  font-weight: 800;
  font-size: 1.2rem;
}

/* Feedback States */
.feedback-box {
  padding: 1.25rem;
  border-radius: var(--radius-inner);
  border: 2px solid var(--color-ink);
  box-shadow: 3px 3px 0 var(--color-ink);
  margin-top: 1.25rem;
}
.feedback-box.correct {
  background: var(--color-mint-soft);
  color: var(--color-mint-ink);
}
.feedback-box.incorrect {
  background: var(--color-coral-soft);
  color: var(--color-coral-ink);
}
.feedback-content {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.misconception-label {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.35rem;
  margin-bottom: 0.35rem;
}
.socratic-nudge {
  font-size: 1rem;
  line-height: 1.55;
  font-weight: 600;
}

.variant-strip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.25rem;
  padding-top: 1.15rem;
  border-top: 2px dashed rgba(30, 27, 58, 0.15);
  flex-wrap: wrap;
}

.variant-btn {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-ink);
  background: var(--color-surface);
  color: var(--color-ink-muted);
  box-shadow: 2px 2px 0 var(--color-ink);
}
.variant-btn.active {
  background: var(--color-ink);
  color: var(--color-on-ink);
  box-shadow: 3px 3px 0 var(--color-ink);
}

/* --- Section 2: The Loop ------------------------------------------------- */
#loop-title .highlight-word {
  display: inline-block;
  transition: transform 260ms var(--ease-bounce);
}
#loop-title .highlight-word:hover {
  transform: translateY(-3px);
}

.loop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}
@media (min-width: 640px) {
  .loop-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .loop-grid { grid-template-columns: repeat(4, 1fr); }
}

.loop-step-card {
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  will-change: transform, box-shadow;
  transition:
    transform 280ms var(--ease-soft),
    box-shadow 280ms var(--ease-soft);
}

.loop-step-card:hover {
  transform: translateY(-8px);
  box-shadow: 4px 12px 0 var(--color-ink);
  transition:
    transform 260ms var(--ease-bounce),
    box-shadow 260ms var(--ease-bounce);
}

.loop-step-card:active {
  transform: translateY(-2px);
  box-shadow: 4px 6px 0 var(--color-ink);
  transition:
    transform 120ms ease,
    box-shadow 120ms ease;
}

.loop-step-card .cl-num {
  transition: transform 280ms var(--ease-soft);
}

.loop-step-card:hover .cl-num {
  transform: scale(1.12) rotate(-4deg);
  transition: transform 260ms var(--ease-bounce);
}

.loop-step-card .loop-pill {
  transition: transform 280ms var(--ease-soft);
}

.loop-step-card:hover .loop-pill {
  transform: translateX(4px);
  transition: transform 260ms var(--ease-bounce);
}

.loop-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.loop-step-title {
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
}
.loop-step-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-ink);
}
.loop-step-footer {
  margin-top: auto;
  padding-top: 1.25rem;
  display: flex;
  align-items: center;
}
.loop-pill {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
}

/* Research Citation Callout */
.research-quote-card {
  margin-top: 2.5rem;
  padding: 1.5rem 2rem;
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-inner);
  box-shadow: var(--shadow-hard);
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: transform 280ms var(--ease-soft), box-shadow 280ms var(--ease-soft);
}
.research-quote-card:hover {
  transform: translateY(-3px);
  box-shadow: 4px 7px 0 var(--color-ink);
}

/* --- Section 3: Full-Bleed Feedback Band --------------------------------- */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}
@media (min-width: 860px) {
  .comparison-grid { grid-template-columns: 1fr 1fr; }
}

.comparison-card {
  border-radius: var(--radius-card);
  padding: 2.25rem;
  border: 2px solid var(--color-ink);
  box-shadow: var(--shadow-hard);
}

/* --- Section 4: Course Preview & Unified Pricing Card ------------------- */
.course-card-unified {
  border-radius: var(--radius-card);
  border: 2px solid var(--color-ink);
  background: var(--color-surface);
  box-shadow: var(--shadow-hard-lg);
  overflow: hidden;
  margin-top: 2.5rem;
}

.course-header-banner {
  background: linear-gradient(135deg, var(--color-lav-soft), var(--color-peri-soft) 50%, var(--color-mint-soft));
  padding: 2.5rem 2rem;
  border-bottom: 2px solid var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.course-body-grid {
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .course-body-grid { grid-template-columns: 1.2fr 0.9fr; }
}

.course-left-pane {
  padding: 2.25rem;
  border-bottom: 2px solid var(--color-ink);
}
@media (min-width: 900px) {
  .course-left-pane { border-bottom: none; border-right: 2px solid var(--color-ink); }
}

.course-right-pricing-pane {
  padding: 2.25rem;
  background: var(--color-butter-soft);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* --- Section 5: FAQ Accordion -------------------------------------------- */
.faq-container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  margin-top: 2.5rem;
}

.faq-item {
  border-radius: var(--radius-inner);
  border: 2px solid var(--color-ink);
  background: var(--color-surface);
  box-shadow: 3px 3px 0 var(--color-ink);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  padding: 1.15rem 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-ink);
  cursor: pointer;
  background: none;
  border: none;
  transition: color 180ms ease;
}

.faq-trigger:hover {
  color: var(--color-lav-ink);
}

.faq-trigger:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: -2px;
}

.faq-icon-box {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-peri-soft);
  border: 2px solid var(--color-ink);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
  box-shadow: 1.5px 1.5px 0 var(--color-ink);
  transition:
    transform 280ms var(--ease-bounce),
    background-color 220ms ease,
    color 220ms ease;
}

.faq-icon-svg {
  display: block;
  width: 12px;
  height: 12px;
  overflow: visible;
}

.faq-icon-line-v {
  transform-origin: center;
  transform-box: fill-box;
  transition:
    transform 220ms ease,
    opacity 180ms ease;
}

.faq-icon-box.is-open {
  background: var(--color-mint-soft);
  color: var(--color-mint-ink);
  transform: rotate(90deg);
}

.faq-icon-box.is-open .faq-icon-line-v {
  transform: scaleY(0);
  opacity: 0;
}

.faq-body {
  padding: 0.85rem 1.6rem 1.35rem 1.6rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-ink);
  border-top: 1.5px dashed rgba(30, 27, 58, 0.15);
}

/* Accordion Opening & Closing Animations */
:root {
  --faq-max-h: 260px;
}
@media (min-width: 640px) {
  :root {
    --faq-max-h: 120px;
  }
}

.faq-enter-active {
  transition:
    opacity 240ms ease,
    transform 240ms cubic-bezier(0.16, 1, 0.3, 1),
    max-height 260ms cubic-bezier(0.16, 1, 0.3, 1),
    padding 240ms cubic-bezier(0.16, 1, 0.3, 1),
    border-top-color 200ms ease;
  overflow: hidden;
}

.faq-enter-from {
  opacity: 0;
  transform: translateY(-6px);
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-top-color: transparent;
}

.faq-enter-to {
  opacity: 1;
  transform: translateY(0);
  max-height: var(--faq-max-h);
  padding-top: 0.85rem;
  padding-bottom: 1.35rem;
  border-top-color: rgba(30, 27, 58, 0.15);
}

.faq-leave-active {
  transition:
    opacity 180ms ease,
    transform 200ms ease,
    max-height 220ms cubic-bezier(0.4, 0, 0.2, 1),
    padding 200ms ease,
    border-top-color 160ms ease;
  overflow: hidden;
}

.faq-leave-from {
  opacity: 1;
  transform: translateY(0);
  max-height: var(--faq-max-h);
  padding-top: 0.85rem;
  padding-bottom: 1.35rem;
  border-top-color: rgba(30, 27, 58, 0.15);
}

.faq-leave-to {
  opacity: 0;
  transform: translateY(-6px);
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-top-color: transparent;
}

/* --- Section 6: Final CTA Banner ----------------------------------------- */
.final-cta-card {
  padding: 3.5rem 2rem;
  border-radius: var(--radius-card);
  background: var(--color-mint-soft);
  border: 2px solid var(--color-ink);
  box-shadow: var(--shadow-hard-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) {
  .final-cta-card { padding: 4.5rem 3rem; }
}

/* --- Footer -------------------------------------------------------------- */
.site-footer {
  padding-block: 3.5rem;
  border-top: 2px solid var(--color-ink);
  background: var(--color-surface);
  text-align: center;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

/* --- Micro-animations & Reduced Motion ----------------------------------- */
@keyframes cl-pop {
  0% { transform: scale(1); }
  38% { transform: scale(1.04); }
  100% { transform: scale(1); }
}
@keyframes cl-wobble {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-2deg); }
  60% { transform: rotate(1.5deg); }
  82% { transform: rotate(-0.75deg); }
}
@keyframes cl-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (prefers-reduced-motion: no-preference) {
  .cl-anim-pop { animation: cl-pop 480ms var(--ease-bounce) both; }
  .cl-anim-wobble { animation: cl-wobble 420ms var(--ease-soft) both; }
  .cl-anim-float { animation: cl-float 3.5s ease-in-out infinite; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Decorative Doodles */
.doodle {
  position: absolute;
  pointer-events: none;
  opacity: 0.85;
}