/* ==========================================================================
   TAKE MY COURSE FOR ME — Hallmark Hum Theme Adaptation
   Based on: usehallmark.com/examples/hum-07
   Warm cream palette · Multi-accent · Rounded sans · 3D pill buttons
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,800;1,400&display=swap');

/* ═══ DESIGN TOKENS · Hum palette adapted for academic brand ═══ */
:root {
  color-scheme: light;

  /* Cream paper palette */
  --color-paper:       oklch(97% 0.012 95);
  --color-paper-2:     oklch(94% 0.016 95);
  --color-paper-3:     oklch(91% 0.020 95);
  --color-rule:        oklch(86% 0.014 90);
  --color-rule-2:      oklch(70% 0.018 85);
  --color-muted:       oklch(52% 0.014 90);
  --color-neutral:     oklch(38% 0.014 100);
  --color-ink-2:       oklch(28% 0.014 250);
  --color-ink:         oklch(20% 0.012 250);

  /* Gold accent (brand) */
  --color-gold:        oklch(76% 0.14 85);
  --color-gold-deep:   oklch(66% 0.16 85);
  --color-gold-glow:   oklch(76% 0.14 85 / 0.25);

  /* Multi-accent support */
  --color-mint:        oklch(80% 0.16 150);
  --color-mint-deep:   oklch(70% 0.18 150);
  --color-accent:      oklch(86% 0.18 95);
  --color-accent-deep: oklch(76% 0.20 95);
  --color-accent-2:    oklch(66% 0.18 235);
  --color-accent-2-deep: oklch(56% 0.20 235);
  --color-accent-3:    oklch(68% 0.24 18);
  --color-accent-3-deep: oklch(58% 0.26 18);

  /* Tint overlays */
  --tint-gold:   oklch(76% 0.14 85 / 0.14);
  --tint-mint:   oklch(80% 0.16 150 / 0.18);
  --tint-pear:   oklch(86% 0.18 95 / 0.16);
  --tint-coral:  oklch(68% 0.24 18 / 0.12);
  --tint-cyan:   oklch(66% 0.18 235 / 0.14);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Plus Jakarta Sans', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-serif:   'Playfair Display', Georgia, serif;
  --font-label:   'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Sizing */
  --radius-card:  20px;
  --radius-pill:  999px;
  --radius-input: 12px;
  --page-max:     78rem;
  --page-gutter:  clamp(1.25rem, 4vw, 3rem);
  --section-gap:  6.5rem;
  --bar-h:        66px;

  /* Shadows */
  --shadow-card:  0 12px 32px -16px oklch(20% 0.012 250 / 0.14),
                  0 1px 2px oklch(20% 0.012 250 / 0.06);
  --shadow-card-hover: 0 24px 56px -20px oklch(20% 0.012 250 / 0.18),
                       0 2px 6px oklch(20% 0.012 250 / 0.08);

  /* Motion */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:   cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══ BASE RESET ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  width: 100%;
  max-width: 100vw;
}
body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-top: var(--bar-h);
  font-feature-settings: "ss01" on;
  font-variant-numeric: tabular-nums;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  min-height: 100vh;
  overflow-wrap: break-word;
}
img, svg { display: block; max-width: 100%; }
::selection { background: oklch(76% 0.14 85 / 0.32); color: var(--color-ink); }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--color-accent-2); outline-offset: 3px; border-radius: 6px; }
ul, ol { list-style: none; }

/* ═══ UTILITY ═══ */
.container {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
  width: 100%;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.margin-top-lg { margin-top: 3rem; }
.margin-top-md { margin-top: 2rem; }

.gold-text { color: var(--color-gold); }

/* ═══ BUTTON SYSTEM · Hum 3D pill buttons ═══ */
.btn {
  --btn-face: var(--color-gold);
  --btn-ink: var(--color-ink);
  --btn-edge: var(--color-gold-deep);
  --btn-cast: oklch(66% 0.16 85 / 0.42);
  --btn-line: var(--color-gold-deep);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  padding: 0.8rem 1.4rem;
  font-family: var(--font-body); font-weight: 600; font-size: 0.9375rem; letter-spacing: -0.005em;
  border: 0; border-radius: var(--radius-pill);
  color: var(--btn-ink); background: var(--btn-face);
  cursor: pointer; white-space: nowrap; user-select: none; position: relative; isolation: isolate;
  box-shadow: 0 4px 0 0 var(--btn-edge), 0 6px 12px -3px var(--btn-cast);
  transform: translateY(0);
  transition: transform 140ms cubic-bezier(0.2, 0.7, 0.3, 1),
              box-shadow 140ms cubic-bezier(0.2, 0.7, 0.3, 1), background-color 160ms ease;
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 0 var(--btn-edge), 0 12px 22px -4px var(--btn-cast); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 0 var(--btn-edge), 0 2px 6px -2px var(--btn-cast); transition-duration: 70ms; }

.btn-sm { padding: 0.5rem 0.95rem; font-size: 0.85rem; }
.btn-lg { padding: 1rem 1.7rem; font-size: 1.0625rem; }
.btn-block { width: 100%; }

.btn-gold, .btn.btn-gold {
  --btn-face: var(--color-gold);
  --btn-ink: var(--color-ink);
  --btn-edge: var(--color-gold-deep);
  --btn-cast: oklch(66% 0.16 85 / 0.42);
}

.btn-outline, .btn.btn-outline {
  background: transparent;
  color: var(--btn-line);
  border: 1.5px solid color-mix(in oklch, var(--btn-line) 42%, var(--color-rule));
  box-shadow: none;
  overflow: hidden;
  transition: color 240ms ease, border-color 240ms ease, transform 140ms cubic-bezier(0.2, 0.7, 0.3, 1);
}
.btn-outline::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--btn-face);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 300ms cubic-bezier(0.2, 0.7, 0.3, 1);
}
.btn-outline:hover { color: var(--btn-ink); border-color: var(--btn-face); }
.btn-outline:hover::before { transform: scaleY(1); }
.btn-outline:active { transform: translateY(1px); }

.btn-dark {
  --btn-face: var(--color-ink);
  --btn-ink: var(--color-paper);
  --btn-edge: oklch(8% 0.01 250);
  --btn-cast: oklch(20% 0.012 250 / 0.4);
}

/* ═══ 1. NAVBAR · N10 floating-on-scroll morph ═══ */
header.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  display: flex; justify-content: center;
  height: var(--bar-h);
  width: 100%;
  max-width: 100vw;
  overflow: visible;
}

.header-container {
  width: 100%; max-width: var(--page-max); height: var(--bar-h);
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding-inline: var(--page-gutter);
  background: oklch(97% 0.012 95 / 0.85);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid transparent; border-bottom-color: var(--color-rule); border-radius: 0;
  box-shadow: 0 0 0 0 oklch(20% 0.012 250 / 0);
  transform: translateY(0);
  will-change: transform, max-width;
  transition: max-width 420ms var(--ease-out), border-radius 420ms var(--ease-out),
              transform 420ms var(--ease-out), box-shadow 420ms var(--ease-out),
              border-color 420ms var(--ease-out), padding 420ms var(--ease-out), background-color 420ms var(--ease-out);
}

header.site-header.scrolled .header-container,
header.site-header.is-floating .header-container {
  max-width: min(78rem, calc(100% - 1.5rem));
  transform: translateY(0.4rem);
  border-color: var(--color-rule);
  border-radius: var(--radius-pill);
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.18);
  padding-inline: 1.25rem;
  background: oklch(97% 0.012 95 / 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Logo */
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-link {
  display: inline-flex; align-items: center; gap: 0.5em;
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  letter-spacing: -0.02em; color: var(--color-ink); text-decoration: none;
  white-space: nowrap;
}
.logo-icon { font-size: 1.3rem; line-height: 1; }
.logo-text {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  letter-spacing: -0.01em; color: var(--color-ink);
}

/* Navigation */
.main-nav { display: flex; align-items: center; flex-shrink: 1; min-width: 0; }
.main-nav ul {
  display: flex; align-items: center; gap: 0.15rem; margin-left: auto; list-style: none;
  flex-wrap: nowrap;
}
.main-nav ul li { flex-shrink: 0; }
.main-nav ul li a {
  padding: 0.4rem 0.6rem; font-size: 0.84rem; font-weight: 500;
  color: var(--color-ink-2); border-radius: 8px;
  transition: color 160ms, background 160ms; text-decoration: none;
  white-space: nowrap; display: inline-block;
}
.main-nav ul li a:hover { color: var(--color-ink); background: var(--color-paper-2); }

.header-cta { margin-left: 0.4rem; flex-shrink: 0; }
.header-cta .btn { white-space: nowrap; }



/* ═══ 2. HERO · Narrative Workflow opening ═══ */
.hero-wrapper {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: calc(var(--bar-h) + clamp(2rem, 4vh, 3.5rem)) var(--page-gutter) clamp(2rem, 4vh, 3.5rem);
  width: 100%;
  overflow: hidden;
}

.hero-container { display: grid; grid-template-columns: 1fr; gap: clamp(2.5rem, 5vw, 4rem); align-items: flex-start; }

@media (min-width: 1025px) {
  .hero-container {
    grid-template-columns: 1fr 450px;
    gap: 2.5rem;
  }
  .hero-container .calculator-box {
    margin-bottom: 0;
    padding: 1.6rem;
  }
  .hero-container .calc-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.hero-content { max-width: 780px; }

/* Hero Badge */
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.55em;
  font-family: var(--font-label); font-size: 11px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--color-ink-2); margin-bottom: 2rem;
  padding: 0.4rem 0.7rem; border-radius: var(--radius-pill);
  background: var(--color-paper-2); border: 1px solid var(--color-rule);
}

.badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-gold); flex: 0 0 auto;
  animation: badge-pulse 2s ease-in-out infinite;
}
@keyframes badge-pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.85); } }

.hero-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.4rem, 5vw + 0.5rem, 4.25rem);
  line-height: 1.04; letter-spacing: -0.03em;
  color: var(--color-ink); margin: 0 0 1.25rem;
  text-wrap: balance;
}

.hero-subtitle {
  font-size: 1.1875rem; line-height: 1.55; color: var(--color-ink-2);
  max-width: 46ch; margin: 0 0 1.9rem;
}
.hero-subtitle strong {
  font-weight: 600; color: var(--color-ink);
  background-image: linear-gradient(oklch(76% 0.14 85 / 0.45) 0 0);
  background-repeat: no-repeat; background-size: 100% 0.14em; background-position: 0 100%;
  padding-bottom: 0.18em;
}

/* Hero Feature Checklist */
.hero-features-list {
  display: flex; flex-direction: column; gap: 0.6rem;
  margin-bottom: 2rem;
}
.hero-feature-item {
  display: flex; align-items: flex-start; gap: 0.75rem;
  font-size: 0.98rem; color: var(--color-ink-2); line-height: 1.5;
}
.hero-feature-item strong { font-weight: 600; color: var(--color-ink); }

.check-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; min-width: 22px; border-radius: 50%;
  background: var(--tint-gold); color: var(--color-gold-deep);
  font-size: 0.72rem; font-weight: 700; margin-top: 2px;
  border: 1.5px solid var(--color-gold);
}

/* Hero Actions */
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center;
  margin-bottom: 2rem;
}

/* Social Proof */
.hero-social-proof {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-label); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--color-muted); margin-top: 1rem;
}
.rating-stars { color: var(--color-gold); font-size: 1rem; letter-spacing: 2px; }
.proof-text { font-family: var(--font-label); font-size: 11px; color: var(--color-muted); }
.proof-text strong { color: var(--color-ink); }

/* ═══ SECTION LAYOUT SYSTEM ═══ */
.section-dark {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--section-gap) var(--page-gutter);
  width: 100%;
  overflow: hidden;
}

.section-alt-bg {
  max-width: none;
  width: 100%;
  background: var(--color-paper-2);
  border-block: 1px solid var(--color-rule);
  overflow: hidden;
}
.section-alt-bg > .container {
  max-width: var(--page-max);
  margin: 0 auto;
  width: 100%;
}

.section-border-bottom {
  border-bottom: 1px solid var(--color-rule);
}

.section-header {
  margin-bottom: 3rem; max-width: 54rem;
}
.section-header.text-center {
  text-align: center; margin-inline: auto;
}

.section-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 3.5vw + 0.5rem, 3.25rem);
  line-height: 1.08; letter-spacing: -0.025em;
  color: var(--color-ink); margin: 0;
  text-wrap: balance;
}

.section-subtitle {
  font-size: 1.0625rem; line-height: 1.6; color: var(--color-ink-2);
  max-width: 52ch; margin: 1rem 0 0;
}
.section-header.text-center .section-subtitle { margin-inline: auto; }

/* ═══ 3. EXECUTIVE SUMMARY ═══ */
.summary-card-box {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 2.25rem 1.85rem;
  box-shadow: var(--shadow-card);
}

.summary-title {
  font-family: var(--font-display); font-weight: 700; font-size: 1.5rem;
  line-height: 1.15; letter-spacing: -0.02em; color: var(--color-ink);
  margin-bottom: 0.85rem;
}
.summary-intro {
  font-size: 0.98rem; color: var(--color-ink-2); line-height: 1.6; margin-bottom: 1.5rem;
}
.summary-intro strong { font-weight: 600; color: var(--color-ink); }

.summary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (max-width: 640px) { .summary-grid { grid-template-columns: 1fr; } }

.summary-item {
  background: var(--color-paper-2); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 1.25rem 1.25rem;
  transition: transform 320ms var(--ease-spring), box-shadow 320ms;
}
.summary-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }

.summary-label {
  font-family: var(--font-label); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--color-gold-deep); margin-bottom: 0.4rem;
}
.summary-value { font-size: 0.92rem; color: var(--color-ink-2); line-height: 1.55; }

/* ═══ 4. FEATURE CARDS (Why Us) ═══ */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 1rem;
}

.feature-card {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms, background 320ms;
}
.feature-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-card-hover);
  background: var(--tint-gold);
}

.card-icon { font-size: 2rem; margin-bottom: 0.85rem; line-height: 1; }

.feature-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  line-height: 1.2; letter-spacing: -0.01em; color: var(--color-ink);
  margin-bottom: 0.6rem;
}
.feature-card p { font-size: 0.92rem; color: var(--color-ink-2); line-height: 1.6; }

/* ═══ EXTENDED INFO BOX ═══ */
.extended-info-box {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 2rem 1.85rem;
  box-shadow: var(--shadow-card);
}
.extended-info-box h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  color: var(--color-ink); margin-bottom: 0.6rem; letter-spacing: -0.01em;
}
.extended-info-box p {
  font-size: 0.94rem; color: var(--color-ink-2); line-height: 1.65; margin-bottom: 0.85rem;
}
.extended-info-box p:last-child { margin-bottom: 0; }

/* Gold Bullet List */
.bullet-list-gold {
  list-style: none; padding: 0; margin-top: 1rem;
  display: flex; flex-direction: column; gap: 0.6rem;
}
.bullet-list-gold li {
  position: relative; padding-left: 1.5rem;
  font-size: 0.92rem; color: var(--color-ink-2); line-height: 1.65;
}
.bullet-list-gold li::before {
  content: ''; position: absolute; left: 0; top: 0.45em;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-gold);
  box-shadow: inset 0 0 0 3px var(--color-paper);
}
.bullet-list-gold li strong { font-weight: 600; color: var(--color-ink); }

/* ═══ 5. DEGREE TIER CARDS ═══ */
.grid-3-col {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 1rem;
}
.tier-card {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms;
}
.tier-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }

.tier-card-highlight {
  background: var(--tint-gold);
  border-color: var(--color-gold-deep);
}
.tier-header { margin-bottom: 0.75rem; }

.tier-badge {
  display: inline-flex; align-items: center;
  font-family: var(--font-label); font-size: 10.5px; letter-spacing: 0.10em; text-transform: uppercase;
  padding: 0.3rem 0.7rem; border-radius: var(--radius-pill);
  color: var(--color-muted); background: var(--color-paper-2);
  border: 1px solid var(--color-rule); margin-bottom: 0.6rem;
}
.badge-gold {
  background: var(--tint-gold); color: var(--color-gold-deep);
  border-color: var(--color-gold);
}

.tier-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  color: var(--color-ink); margin-bottom: 0.4rem; letter-spacing: -0.01em;
}
.tier-desc { font-size: 0.92rem; color: var(--color-ink-2); line-height: 1.55; margin-bottom: 1rem; }

.tier-list { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.tier-list li {
  position: relative; padding-left: 1.5rem;
  font-size: 0.9rem; color: var(--color-ink-2); line-height: 1.5;
}
.tier-list li::before {
  content: ''; position: absolute; left: 0; top: 0.4em;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--color-gold);
  box-shadow: inset 0 0 0 3px var(--color-paper);
}

/* ═══ 6. LMS GRID ═══ */
.lms-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 1rem;
}
.lms-card {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms, background 320ms;
}
.lms-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-card-hover);
  background: var(--tint-mint);
}
.lms-icon { font-size: 2rem; margin-bottom: 0.6rem; }
.lms-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  color: var(--color-ink); margin-bottom: 0.4rem;
}
.lms-card p { font-size: 0.9rem; color: var(--color-ink-2); line-height: 1.6; }

/* ═══ 7. SUBJECT DETAIL CARDS ═══ */
.subjects-detailed-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 1rem;
}
.subject-detail-card {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms;
}
.subject-detail-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }

.subject-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.85rem; }
.sub-icon { font-size: 1.6rem; line-height: 1; }
.subject-detail-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--color-ink);
}
.subject-detail-card p {
  font-size: 0.92rem; color: var(--color-ink-2); line-height: 1.6; margin-bottom: 1rem;
}

.subject-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.subject-tags span {
  font-family: var(--font-label); font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.3rem 0.65rem; border-radius: var(--radius-pill);
  background: var(--color-paper-2); color: var(--color-ink-2);
  border: 1px solid var(--color-rule);
  transition: background 200ms, color 200ms, border-color 200ms;
}
.subject-tags span:hover {
  background: var(--tint-gold); color: var(--color-gold-deep); border-color: var(--color-gold);
}

/* ═══ 8. DELIVERABLES GRID ═══ */
.deliverables-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 1rem;
}
.deliv-card {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms, background 320ms;
}
.deliv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); background: var(--tint-pear); }
.deliv-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  color: var(--color-ink); margin-bottom: 0.6rem;
}
.deliv-card p { font-size: 0.92rem; color: var(--color-ink-2); line-height: 1.65; }

/* ═══ 9. SECURITY GRID ═══ */
.security-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 1rem;
}
.security-card {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 2rem 1.75rem; text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms, background 320ms;
}
.security-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); background: var(--tint-cyan); }
.sec-icon { font-size: 2.5rem; margin-bottom: 0.85rem; line-height: 1; }
.security-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  color: var(--color-ink); margin-bottom: 0.6rem;
}
.security-card p { font-size: 0.92rem; color: var(--color-ink-2); line-height: 1.65; }

/* ═══ 10. COMPARISON TABLE ═══ */
.comparison-table-wrapper {
  overflow-x: auto; border-radius: var(--radius-card);
  border: 1.5px solid var(--color-rule); box-shadow: var(--shadow-card);
  background: var(--color-paper);
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}
.comparison-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.comparison-table th, .comparison-table td {
  padding: 1rem 1.25rem; text-align: left; border-bottom: 1px solid var(--color-rule);
}
.comparison-table thead { background: var(--color-paper-2); }
.comparison-table thead th {
  font-family: var(--font-display); font-weight: 700; font-size: 0.88rem;
  color: var(--color-ink); border-bottom: 1.5px solid var(--color-rule);
}
.comparison-table .highlight-col { background: var(--tint-gold); }
.comparison-table thead .highlight-col {
  background: var(--color-gold); color: var(--color-ink);
}
.comparison-table tbody tr { transition: background 200ms; }
.comparison-table tbody tr:hover { background: var(--color-paper-2); }
.comparison-table tbody td { color: var(--color-ink-2); }
.comparison-table tbody td:first-child { font-weight: 600; color: var(--color-ink); }
.comparison-table tbody tr:last-child td { border-bottom: none; }

/* Premium Checkmark and Cross Badges */
.check-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.18);
  color: #059669;
  margin-right: 0.5rem;
  vertical-align: middle;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.3);
}
.check-badge svg, .check-badge i {
  width: 13px;
  height: 13px;
  stroke-width: 3.5;
}
.cross-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
  margin-right: 0.5rem;
  vertical-align: middle;
  flex-shrink: 0;
}
.cross-badge svg, .cross-badge i {
  width: 13px;
  height: 13px;
  stroke-width: 3.5;
}

/* ═══ 11. STEPS GRID (How It Works) ═══ */
.steps-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 1rem;
}
.step-card {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 2rem 1.75rem;
  position: relative; text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }

.step-number {
  font-family: var(--font-display); font-size: 3.5rem; font-weight: 800;
  color: oklch(76% 0.14 85 / 0.12);
  position: absolute; top: 0.5rem; right: 1rem; line-height: 1; pointer-events: none;
}
.step-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  color: var(--color-ink); margin-bottom: 0.6rem;
}
.step-card p { font-size: 0.92rem; color: var(--color-ink-2); line-height: 1.65; }

/* ═══ 12. PRICING GRID ═══ */
.pricing-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1rem; max-width: 64rem; margin-inline: auto;
}
.pricing-card {
  display: flex; flex-direction: column; gap: 0.85rem;
  padding: 2rem 1.85rem; border-radius: var(--radius-card);
  border: 1.5px solid var(--color-rule); background: var(--color-paper);
  box-shadow: var(--shadow-card); position: relative;
  transition: transform 320ms var(--ease-spring);
}
.pricing-card:hover { transform: translateY(-4px); }

.pricing-card-featured {
  background: var(--tint-gold); border-color: var(--color-gold-deep);
}

.featured-badge {
  position: absolute; top: -0.7rem; left: 1.85rem;
  font-family: var(--font-label); font-size: 10.5px; letter-spacing: 0.10em; text-transform: uppercase;
  padding: 0.3rem 0.7rem; background: var(--color-ink); color: var(--color-paper);
  border-radius: var(--radius-pill);
}

.price-header {
  padding-bottom: 1rem; border-bottom: 1px solid var(--color-rule); margin-bottom: 0.5rem;
}
.price-header h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  color: var(--color-ink); margin-bottom: 0.5rem;
}
.price-amount {
  font-family: var(--font-display); font-weight: 700; font-size: 2.5rem;
  line-height: 1; letter-spacing: -0.03em; color: var(--color-ink);
}
.price-amount span {
  font-family: var(--font-label); font-size: 0.3em; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--color-muted); margin-left: 0.3em; vertical-align: 0.7em;
}
.price-desc { font-size: 0.9rem; color: var(--color-ink-2); margin-top: 0.5rem; line-height: 1.5; }

.price-features {
  list-style: none; display: flex; flex-direction: column; gap: 0.5rem; flex: 1;
  margin-bottom: 0.5rem;
}
.price-features li {
  font-size: 0.9375rem; color: var(--color-ink-2); padding-left: 1.5rem; position: relative;
}
.price-features li::before {
  content: ''; position: absolute; left: 0; top: 0.4em;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--color-gold);
  box-shadow: inset 0 0 0 3.5px var(--color-paper);
}

/* ═══ 13. REVIEWS / TESTIMONIALS ═══ */
.reviews-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 1rem;
}
.review-card {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); padding: 1.75rem;
  display: flex; flex-direction: column; gap: 1rem;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms, background 320ms;
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); background: var(--tint-pear); }
.review-card:nth-child(2):hover { background: var(--tint-mint); }
.review-card:nth-child(3):hover { background: var(--tint-cyan); }

.rev-stars { color: var(--color-gold); font-size: 1.1rem; letter-spacing: 2px; }
.rev-title {
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  line-height: 1.35; letter-spacing: -0.01em; color: var(--color-ink);
}
.rev-text {
  font-size: 0.94rem; color: var(--color-ink-2); line-height: 1.6;
  font-style: italic; flex: 1;
}
.rev-author {
  display: flex; flex-direction: column; gap: 0.1rem;
  padding-top: 0.85rem; border-top: 1px solid var(--color-rule);
}
.rev-author strong { font-size: 0.9rem; font-weight: 600; color: var(--color-ink); }
.rev-author span { font-size: 0.8rem; color: var(--color-muted); }

/* ═══ 14. FAQ ACCORDION ═══ */
.faq-accordion-wrapper {
  max-width: 48rem; margin: 0 auto;
  display: flex; flex-direction: column; gap: 0.6rem;
}
.faq-item {
  background: var(--color-paper); border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card); overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color 320ms, box-shadow 320ms;
}
.faq-item:hover { border-color: var(--color-gold); }
.faq-item.open { border-color: var(--color-gold-deep); box-shadow: var(--shadow-card-hover); }

.faq-question {
  padding: 1.1rem 1.5rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.98rem;
  color: var(--color-ink); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  transition: color 200ms; user-select: none;
}
.faq-question:hover { color: var(--color-gold-deep); }

.faq-question::after {
  content: '+'; font-size: 1.4rem; font-weight: 300; color: var(--color-gold);
  flex-shrink: 0;
  transition: transform 300ms var(--ease-spring);
}
.faq-item.open .faq-question::after { content: '−'; transform: rotate(180deg); }

.faq-answer { display: none; padding: 0 1.5rem 1.1rem; }
.faq-item.open .faq-answer { display: block; }
.faq-answer p { font-size: 0.94rem; color: var(--color-ink-2); line-height: 1.7; }

/* ═══ 15. GOLD CTA BANNER ═══ */
.section-gold-cta {
  max-width: none;
  width: 100%;
  background: var(--tint-gold);
  border-block: 1px solid var(--color-rule);
  padding: clamp(4rem, 8vh, 6rem) var(--page-gutter);
  overflow: hidden;
}
.section-gold-cta .container { max-width: var(--page-max); margin: 0 auto; width: 100%; }
.cta-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.25rem, 5vw + 0.5rem, 4rem);
  line-height: 1.04; letter-spacing: -0.03em;
  color: var(--color-ink); margin: 0 0 1rem; text-wrap: balance;
}
.cta-subtitle {
  font-size: 1.125rem; color: var(--color-ink-2);
  max-width: 44ch; margin: 0 auto 2rem; line-height: 1.6;
}
.cta-btn-wrapper { display: flex; justify-content: center; }

/* ═══ 16. FOOTER ═══ */
footer.site-footer {
  background: var(--color-paper-2); border-top: 1px solid var(--color-rule);
  width: 100%;
  overflow: hidden;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 2rem; padding: clamp(4rem, 8vh, 6rem) 0 clamp(2rem, 4vh, 3rem);
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-tagline { font-size: 0.9rem; color: var(--color-ink-2); line-height: 1.6; max-width: 340px; }
.footer-links h4, .footer-contact h4 {
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  color: var(--color-ink); margin-bottom: 1rem;
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.footer-links ul li a {
  font-size: 0.88rem; color: var(--color-muted); transition: color 180ms;
}
.footer-links ul li a:hover { color: var(--color-ink); }
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 0.65rem;
  line-height: 1.5;
}
.footer-disclaimer {
  padding: 1.5rem 0; border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule); margin-bottom: 1.25rem;
}
.footer-disclaimer p { font-size: 0.82rem; color: var(--color-muted); line-height: 1.65; }
.footer-disclaimer strong { color: var(--color-ink-2); }
.footer-bottom p { font-size: 0.82rem; color: var(--color-muted); }

/* ═══ SCROLL-DRIVEN REVEAL (Progressive Enhancement) ═══ */
@supports (animation-timeline: view()) {
  .feature-card, .tier-card, .lms-card, .subject-detail-card,
  .deliv-card, .security-card, .step-card, .pricing-card, .review-card, .faq-item {
    animation: card-in linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 25%;
  }
  @keyframes card-in {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

/* ═══ MOBILE HAMBURGER BUTTON ═══ */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: var(--color-paper-2);
  border: 1.5px solid var(--color-rule);
  border-radius: 10px;
  cursor: pointer;
  z-index: 600;
  box-shadow: inset 0 1px 1px #ffffff, 0 2px 6px rgba(0, 0, 0, 0.05);
  transition: background 200ms, border-color 200ms, transform 200ms;
}
.mobile-menu-toggle:hover {
  background: var(--color-paper-3);
  border-color: var(--color-ink);
  transform: scale(1.04);
}
.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform 300ms var(--ease-spring), opacity 200ms;
}
.mobile-menu-toggle.is-active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Prevent body scroll when mobile nav is open */
body.mobile-nav-open {
  overflow: hidden;
}

/* ═══ INTERACTIVE CALCULATOR WIDGET ═══ */
.calculator-box {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: 2.25rem;
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-card);
}
.calc-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: center;
}
.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.calc-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.calc-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-ink);
  display: flex;
  justify-content: space-between;
}
.calc-label span.val-badge {
  font-family: var(--font-label);
  background: var(--tint-gold);
  color: var(--color-gold-deep);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.8rem;
}
.calc-select, .calc-range, .calc-input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-input);
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 150ms, box-shadow 150ms;
}
.calc-select:focus, .calc-input:focus {
  border-color: var(--color-gold-deep);
  box-shadow: 0 0 0 3px var(--color-gold-glow);
}
.calc-range {
  accent-color: var(--color-gold-deep);
  cursor: pointer;
  padding: 0;
  height: 8px;
}
.calc-summary-card {
  background: var(--color-ink);
  color: var(--color-paper);
  border-radius: 16px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  box-shadow: 0 16px 40px -10px oklch(20% 0.012 250 / 0.4);
  position: relative;
  overflow: hidden;
}
.calc-summary-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--color-gold-glow) 0%, transparent 60%);
  pointer-events: none;
}
.calc-price-display {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-gold);
  line-height: 1;
}
.calc-price-display sub {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-paper-3);
}
.calc-breakdown {
  font-size: 0.85rem;
  color: var(--color-paper-2);
  line-height: 1.4;
}

/* ═══ MODAL DIALOG STYLES ═══ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 30, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 250ms var(--ease-out), visibility 250ms;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal-card {
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  max-width: 520px;
  width: 100%;
  padding: 2.25rem;
  box-shadow: 0 32px 80px -16px rgba(0, 0, 0, 0.35);
  position: relative;
  transform: translateY(20px) scale(0.96);
  transition: transform 250ms var(--ease-spring);
}
.modal-overlay.active .modal-card {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: bold;
  color: var(--color-ink);
  transition: background 150ms, transform 150ms;
}
.modal-close:hover {
  background: var(--color-rule);
  transform: scale(1.08);
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: 0.3rem;
}
.modal-subtitle {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.modal-form label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.2rem;
  display: block;
}
.modal-toast {
  background: oklch(40% 0.16 140);
  color: #ffffff;
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-input);
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  display: none;
  margin-top: 0.75rem;
}

/* ═══ LUCIDE ICON HARMONIZATION ═══ */
.lucide {
  display: inline-block;
  vertical-align: middle;
  stroke-width: 2.2px;
}
.icon-gold, .icon-mint, .icon-coral, .icon-cyan { stroke: var(--color-ink); color: var(--color-ink); }

/* ═══ VERTICAL TIMELINE LAYOUT (Hallmark Hum Step Flow) ═══ */
.timeline-flow-container {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding-left: 3.5rem;
}
.timeline-flow-container::before {
  content: '';
  position: absolute;
  top: 1.5rem;
  bottom: 1.5rem;
  left: 1.45rem;
  width: 3.5px;
  background: linear-gradient(180deg, oklch(52% 0.18 150) 0%, oklch(50% 0.18 235) 33%, oklch(62% 0.16 85) 66%, oklch(55% 0.24 18) 100%);
  border-radius: 999px;
}
.timeline-step-row {
  display: flex;
  align-items: flex-start;
  position: relative;
}
.timeline-node-badge {
  position: absolute;
  left: -3.5rem;
  top: 1.25rem;
  transform: translateX(-50%);
  font-family: var(--font-label);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(0,0,0,0.22);
  z-index: 2;
  white-space: nowrap;
}
.node-1 { background: oklch(52% 0.18 150); }
.node-2 { background: oklch(50% 0.18 235); }
.node-3 { background: oklch(62% 0.16 85); }
.node-4 { background: oklch(55% 0.24 18); }

.timeline-card {
  width: 100%;
  background: var(--color-paper-2);
  border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: 2rem 2.25rem;
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 1.75rem;
  align-items: center;
  box-shadow: var(--shadow-card);
  transition: transform 320ms var(--ease-spring), box-shadow 320ms;
}
.timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.timeline-illu-box {
  border-radius: 18px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 140px;
  text-align: center;
}
.illu-mint { background: var(--tint-mint); border: 1.5px solid oklch(80% 0.16 150 / 0.4); }
.illu-cyan { background: var(--tint-cyan); border: 1.5px solid oklch(66% 0.18 235 / 0.4); }
.illu-gold { background: var(--tint-gold); border: 1.5px solid oklch(76% 0.14 85 / 0.4); }
.illu-coral { background: var(--tint-coral); border: 1.5px solid oklch(68% 0.24 18 / 0.4); }

/* Soft Highlight Text Banners */
.text-highlight-mint {
  background: var(--tint-mint);
  color: var(--color-ink);
  padding: 3px 10px;
  border-radius: 8px;
  font-weight: 800;
  display: inline-block;
}
.text-highlight-gold {
  background: var(--tint-gold);
  color: var(--color-ink);
  padding: 3px 10px;
  border-radius: 8px;
  font-weight: 800;
  display: inline-block;
}

/* ═══ IMPECCABLE DESIGN SYSTEM · TACTILE ICON BADGES ═══ */
.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  flex-shrink: 0;
  transition: transform 220ms var(--ease-spring), box-shadow 220ms;
}
.icon-badge-micro { width: 26px; height: 26px; padding: 4px; border-radius: 8px; }
.icon-badge-micro i, .icon-badge-micro svg { width: 14px !important; height: 14px !important; }

.icon-badge-sm { width: 38px; height: 38px; padding: 8px; border-radius: 10px; }
.icon-badge-sm i, .icon-badge-sm svg { width: 20px !important; height: 20px !important; }

.icon-badge-md { width: 48px; height: 48px; padding: 10px; border-radius: 12px; }
.icon-badge-md i, .icon-badge-md svg { width: 24px !important; height: 24px !important; }

.icon-badge-lg { width: 60px; height: 60px; padding: 12px; border-radius: 14px; }
.icon-badge-lg i, .icon-badge-lg svg { width: 30px !important; height: 30px !important; }

.icon-gold, .icon-mint, .icon-coral, .icon-cyan {
  stroke: var(--color-ink) !important;
  color: var(--color-ink) !important;
}

/* Monochrome Icon Badges (Matching Sharpie / Notion Light Grey & Dark Ink Spec) */
.badge-mint, .badge-gold, .badge-cyan, .badge-coral, .star-badge {
  background: #f0f0ec !important;
  border: 1.5px solid #dcdcd6 !important;
  color: var(--color-ink) !important;
  box-shadow: inset 0 1px 1px #ffffff, 0 3px 10px rgba(0, 0, 0, 0.08) !important;
}
.badge-mint i, .badge-mint svg,
.badge-gold i, .badge-gold svg,
.badge-cyan i, .badge-cyan svg,
.badge-coral i, .badge-coral svg,
.star-badge i, .star-badge svg {
  stroke: var(--color-ink) !important;
  color: var(--color-ink) !important;
  fill: none;
}
.star-badge i, .star-badge svg {
  fill: var(--color-ink) !important;
}

/* Timeline illustration boxes monochrome */
.illu-mint, .illu-cyan, .illu-gold, .illu-coral {
  background: #f5f5f0 !important;
  border: 1.5px solid #dcdcd6 !important;
}

.icon-badge:hover {
  transform: translateY(-2px) scale(1.06);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.8), 0 6px 18px rgba(0, 0, 0, 0.15);
}

/* Helper rule for connected micro hero steps flow bar */
.hero-badge.hero-badge-steps {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  box-shadow: none !important;
  display: inline-flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
  max-width: 100%;
}
.hero-badge-steps .step-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-paper-2);
  border: 1.5px solid var(--color-rule);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.85rem;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink);
  box-shadow: inset 0 1px 1px #ffffff, 0 3px 8px rgba(0, 0, 0, 0.05);
  transition: transform 200ms var(--ease-spring), box-shadow 200ms;
}
.hero-badge-steps .step-pill:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 1px 1px #ffffff, 0 6px 14px rgba(0, 0, 0, 0.1);
}

.hero-badge-steps .step-line,
.hero-badge-steps .step-sep {
  width: 28px;
  height: 2px;
  background: var(--color-rule);
  display: inline-block;
  flex-shrink: 0;
  color: transparent;
  font-size: 0;
  user-select: none;
}

.rating-stars {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.rating-stars .star-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--tint-gold);
  border: 1.5px solid oklch(76% 0.14 85 / 0.45);
  color: var(--color-gold-deep);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.6), 0 2px 6px oklch(76% 0.14 85 / 0.18);
  transition: transform 200ms var(--ease-spring);
}
.rating-stars .star-badge:hover {
  transform: scale(1.15) translateY(-1px);
}
.rating-stars .star-badge i, .rating-stars .star-badge svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

/* ═══ RESPONSIVE · TABLET (≤ 1024px) ═══ */
@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex;
    order: 3;
  }

  .main-nav {
    display: none;
  }
  .main-nav.nav-open {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 99999 !important;
    background-color: #f7f7f3 !important;
    padding: 5rem 1.5rem 2rem !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    animation: nav-fade-in 250ms var(--ease-out);
  }
  body.mobile-nav-open .mobile-menu-toggle {
    position: fixed !important;
    top: 1rem !important;
    right: 1.25rem !important;
    z-index: 100000 !important;
  }
  @keyframes nav-fade-in {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
  }
  .main-nav.nav-open ul {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 0.6rem !important;
    width: 100% !important;
    max-width: 320px !important;
    margin: 0 auto !important;
  }
  .main-nav.nav-open ul li { width: 100% !important; }
  .main-nav.nav-open ul li a {
    display: block !important;
    text-align: center !important;
    padding: 0.85rem 1.25rem !important;
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    color: var(--color-ink) !important;
    background: #ebebe5 !important;
    border: 1.5px solid #dcdcd6 !important;
    border-radius: 12px !important;
    box-shadow: inset 0 1px 1px #ffffff, 0 2px 6px rgba(0, 0, 0, 0.04) !important;
    transition: background 200ms, transform 150ms !important;
  }
  .main-nav.nav-open ul li a:hover {
    background: #e2e2dc !important;
    transform: translateY(-1px) !important;
  }

  .header-cta {
    order: 2;
    margin-left: auto;
  }

  /* Adjust grids that use large minmax values */
  .subjects-detailed-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  }

  /* Comparison table: ensure scroll hint */
  .comparison-table-wrapper {
    position: relative;
  }
  .comparison-table-wrapper::after {
    content: '← Scroll →';
    display: block;
    text-align: center;
    font-family: var(--font-label);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    padding: 0.5rem 0;
  }

  /* Footer grid to 2-column */
  .footer-grid {
    grid-template-columns: 1.2fr 1fr;
  }
  .footer-contact {
    grid-column: 1 / -1;
  }
}

/* ═══ RESPONSIVE · LARGE PHONES / SMALL TABLETS (≤ 768px) ═══ */
@media (max-width: 768px) {
  :root {
    --section-gap: 4rem;
  }

  /* Hero */
  .hero-wrapper {
    padding: clamp(1rem, 3vh, 2rem) var(--page-gutter);
  }
  .hero-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }
  .hero-subtitle {
    font-size: 1rem;
    max-width: 100%;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }
  .hero-social-proof {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  .hero-badge {
    font-size: 9px;
    gap: 0.4rem;
    padding: 0.3rem 0.5rem;
  }
  .hero-badge.hero-badge-steps {
    flex-wrap: wrap;
    gap: 0.4rem 0;
  }
  .hero-badge-steps .step-line,
  .hero-badge-steps .step-sep {
    width: 14px;
  }

  /* Section titles */
  .section-title {
    font-size: clamp(1.55rem, 5vw, 2.2rem);
  }
  .section-subtitle {
    font-size: 0.95rem;
    max-width: 100%;
  }

  /* All grid layouts to single column */
  .features-grid,
  .subjects-detailed-grid,
  .lms-grid,
  .deliverables-grid,
  .security-grid,
  .steps-grid,
  .pricing-grid,
  .reviews-grid,
  .grid-3-col {
    grid-template-columns: 1fr;
  }

  /* Summary grid */
  .summary-grid {
    grid-template-columns: 1fr;
  }

  /* Timeline */
  .timeline-flow-container {
    padding-left: 2.2rem;
  }
  .timeline-flow-container::before {
    left: 0.85rem;
  }
  .timeline-node-badge {
    left: -2.2rem;
    font-size: 0.78rem;
    padding: 0.3rem 0.6rem;
  }
  .timeline-card {
    grid-template-columns: 1fr;
    padding: 1.35rem;
    gap: 1.25rem;
  }
  .timeline-illu-box {
    height: 100px;
  }

  /* Calculator */
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .calculator-box {
    padding: 1.5rem;
  }
  .calc-price-display {
    font-size: 2.25rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 0.7rem 0.85rem;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .footer-contact {
    grid-column: auto;
  }

  /* CTA */
  .cta-title {
    font-size: clamp(1.6rem, 5vw, 2.5rem);
  }
  .cta-subtitle {
    font-size: 1rem;
    max-width: 100%;
  }

  /* Cards padding reduction */
  .feature-card,
  .tier-card,
  .lms-card,
  .subject-detail-card,
  .deliv-card,
  .security-card,
  .step-card,
  .pricing-card,
  .review-card {
    padding: 1.35rem;
  }

  /* Extended info box */
  .extended-info-box {
    padding: 1.5rem;
  }

  /* Modal */
  .modal-card {
    padding: 1.75rem;
    max-width: 100%;
    margin: 0.5rem;
  }
}

/* ═══ RESPONSIVE · SMARTPHONES (≤ 480px) ═══ */
@media (max-width: 480px) {
  :root {
    --page-gutter: 1rem;
    --section-gap: 3rem;
    --bar-h: 58px;
  }

  /* Header */
  .header-container {
    padding-inline: 0.75rem;
  }
  .logo-text {
    font-size: 0.95rem;
  }
  .header-cta .btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.78rem;
  }

  /* Hero */
  .hero-title {
    font-size: clamp(1.5rem, 7vw, 2rem);
    letter-spacing: -0.02em;
  }
  .hero-subtitle {
    font-size: 0.92rem;
    line-height: 1.5;
  }
  .hero-badge {
    font-size: 8.5px;
    letter-spacing: 0.06em;
  }
  .hero-feature-item {
    font-size: 0.88rem;
    gap: 0.55rem;
  }
  .hero-feature-item .icon-badge-sm {
    width: 30px;
    height: 30px;
    padding: 5px;
  }
  .btn-lg {
    padding: 0.85rem 1.3rem;
    font-size: 0.95rem;
  }

  /* Section titles */
  .section-title {
    font-size: clamp(1.35rem, 5.5vw, 1.8rem);
  }
  .section-header {
    margin-bottom: 2rem;
  }

  /* Summary box */
  .summary-card-box {
    padding: 1.15rem;
  }
  .summary-title {
    font-size: 1.15rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .summary-item {
    padding: 1rem;
  }

  /* Cards */
  .feature-card,
  .tier-card,
  .lms-card,
  .subject-detail-card,
  .deliv-card,
  .security-card,
  .step-card,
  .pricing-card,
  .review-card {
    padding: 1.15rem;
  }
  .feature-card h3,
  .tier-card h3,
  .lms-card h3,
  .subject-detail-card h3 {
    font-size: 1rem;
  }
  .feature-card p,
  .tier-card p,
  .lms-card p,
  .subject-detail-card p,
  .deliv-card p,
  .security-card p,
  .step-card p,
  .review-card .rev-text {
    font-size: 0.88rem;
  }

  /* Icon badges smaller on mobile */
  .icon-badge-lg {
    width: 50px;
    height: 50px;
    padding: 10px;
  }
  .icon-badge-md {
    width: 40px;
    height: 40px;
    padding: 8px;
  }

  /* Subject tags */
  .subject-tags span {
    font-size: 9.5px;
    padding: 0.25rem 0.5rem;
  }

  /* Extended info box */
  .extended-info-box {
    padding: 1.15rem;
  }
  .extended-info-box h3 {
    font-size: 1.05rem;
  }
  .extended-info-box p {
    font-size: 0.88rem;
  }
  .bullet-list-gold li {
    font-size: 0.86rem;
  }

  /* Timeline */
  .timeline-flow-container {
    padding-left: 1.75rem;
    gap: 1.75rem;
  }
  .timeline-flow-container::before {
    left: 0.6rem;
    width: 2.5px;
  }
  .timeline-node-badge {
    left: -1.75rem;
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
  }
  .timeline-card {
    padding: 1.1rem;
    gap: 1rem;
  }
  .timeline-card h3 {
    font-size: 1.05rem !important;
  }
  .timeline-card p {
    font-size: 0.88rem !important;
  }
  .timeline-illu-box {
    height: 80px;
    padding: 0.85rem;
    border-radius: 12px;
  }
  .timeline-illu-box .lucide {
    width: 28px !important;
    height: 28px !important;
  }

  /* Calculator */
  .calculator-box {
    padding: 1.1rem;
  }
  .calc-summary-card {
    padding: 1.25rem;
  }
  .calc-price-display {
    font-size: 2rem;
  }
  .calc-breakdown {
    font-size: 0.8rem;
  }

  /* Pricing cards */
  .price-amount {
    font-size: 2rem;
  }
  .price-header h3 {
    font-size: 1.05rem;
  }
  .price-features li {
    font-size: 0.88rem;
  }
  .featured-badge {
    font-size: 9px;
    padding: 0.2rem 0.55rem;
  }

  /* Comparison table */
  .comparison-table th,
  .comparison-table td {
    padding: 0.6rem 0.7rem;
    font-size: 0.78rem;
    white-space: nowrap;
  }

  /* FAQ */
  .faq-question {
    padding: 0.9rem 1rem;
    font-size: 0.9rem;
  }
  .faq-answer {
    padding: 0 1rem 0.9rem;
  }
  .faq-answer p {
    font-size: 0.88rem;
  }

  /* Reviews */
  .rev-title {
    font-size: 0.95rem;
  }
  .rev-text {
    font-size: 0.88rem;
  }

  /* CTA */
  .cta-title {
    font-size: clamp(1.4rem, 6vw, 2rem);
  }
  .cta-subtitle {
    font-size: 0.92rem;
  }

  /* Footer */
  .footer-tagline {
    max-width: 100%;
    font-size: 0.85rem;
  }
  .footer-disclaimer p {
    font-size: 0.78rem;
  }
  .footer-bottom p {
    font-size: 0.78rem;
  }
  .footer-contact p {
    font-size: 0.82rem;
    flex-wrap: wrap;
  }

  /* Modal */
  .modal-card {
    padding: 1.35rem;
    border-radius: 16px;
  }
  .modal-title {
    font-size: 1.2rem;
  }
  .modal-subtitle {
    font-size: 0.82rem;
  }
  .modal-form label {
    font-size: 0.78rem;
  }
  .calc-input {
    padding: 0.55rem 0.75rem;
    font-size: 0.88rem;
  }
}

/* ═══ RESPONSIVE · SMALL SMARTPHONES (≤ 360px) ═══ */
@media (max-width: 360px) {
  :root {
    --page-gutter: 0.75rem;
    --bar-h: 54px;
  }

  .logo-text {
    font-size: 0.85rem;
  }
  .hero-title {
    font-size: 1.35rem;
  }
  .hero-subtitle {
    font-size: 0.85rem;
  }
  .hero-badge {
    font-size: 8px;
    padding: 0.25rem 0.4rem;
    gap: 0.3rem;
  }
  .hero-badge-steps .step-pill {
    gap: 0.25rem;
  }
  .hero-feature-item {
    font-size: 0.82rem;
  }
  .btn-lg {
    padding: 0.75rem 1rem;
    font-size: 0.88rem;
  }
  .section-title {
    font-size: 1.25rem;
  }
  .section-subtitle {
    font-size: 0.86rem;
  }

  /* Shrink cards further */
  .feature-card,
  .tier-card,
  .lms-card,
  .subject-detail-card,
  .deliv-card,
  .security-card,
  .step-card,
  .pricing-card,
  .review-card {
    padding: 1rem;
    border-radius: 14px;
  }
  .summary-card-box {
    padding: 1rem;
    border-radius: 14px;
  }
  .extended-info-box {
    padding: 1rem;
    border-radius: 14px;
  }

  .calc-price-display {
    font-size: 1.75rem;
  }
  .price-amount {
    font-size: 1.75rem;
  }

  .timeline-flow-container {
    padding-left: 1.4rem;
  }
  .timeline-flow-container::before {
    left: 0.4rem;
  }
  .timeline-node-badge {
    left: -1.4rem;
    font-size: 0.65rem;
    padding: 0.2rem 0.4rem;
  }


  /* Footer */
  .footer-grid {
    gap: 1.25rem;
  }

  .modal-card {
    padding: 1.1rem;
  }
}

/* ═══ REDUCED MOTION ═══ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ═══ LEGAL & UTILITY PAGES ═══ */
.legal-header {
  padding: calc(var(--bar-h) + clamp(2rem, 4vh, 3rem)) var(--page-gutter) clamp(2rem, 4vh, 3rem);
  background: var(--color-paper-2);
  border-bottom: 1px solid var(--color-rule);
}
.legal-header .container {
  max-width: var(--page-max);
  margin: 0 auto;
}
.legal-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-label);
  font-size: 0.82rem;
  color: var(--color-ink-2);
  margin-bottom: 1rem;
}
.legal-breadcrumb a {
  color: var(--color-ink-2);
  text-decoration: none;
  transition: color 150ms;
}
.legal-breadcrumb a:hover {
  color: var(--color-ink);
}
.legal-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}
.legal-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--color-ink-2);
}

.legal-wrapper {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) var(--page-gutter);
}
.legal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 992px) {
  .legal-grid {
    grid-template-columns: 280px 1fr;
    align-items: flex-start;
  }
}

.legal-sidebar {
  position: sticky;
  top: calc(var(--bar-h) + 1.5rem);
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: 1.25rem;
}
.legal-sidebar h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-rule);
}
.legal-sidebar ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}
.legal-sidebar ul li a {
  font-size: 0.88rem;
  color: var(--color-ink-2);
  text-decoration: none;
  display: block;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-input);
  transition: all 150ms;
}
.legal-sidebar ul li a:hover {
  color: var(--color-ink);
  background: var(--color-paper);
}

.legal-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.legal-card {
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-card);
}
.legal-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.legal-card p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--color-ink-2);
  margin-bottom: 1rem;
}
.legal-card p:last-child {
  margin-bottom: 0;
}
.legal-card ul, .legal-card ol {
  margin: 0 0 1.25rem 1.25rem;
  color: var(--color-ink-2);
  line-height: 1.7;
  font-size: 0.96rem;
}
.legal-card li {
  margin-bottom: 0.4rem;
}
.legal-callout {
  background: var(--tint-gold);
  border-left: 4px solid var(--color-gold);
  padding: 1.25rem;
  border-radius: var(--radius-input);
  margin: 1.25rem 0;
}
.legal-callout p {
  color: var(--color-ink);
  font-size: 0.92rem;
  margin: 0;
}