@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@300;400;500;600;700;900&display=swap');

/* ─── DESIGN TOKENS ─── */
:root {
  --bg-deep:        #050710;
  --bg-dark:        #0A0E27;
  --bg-card:        #0f1535;
  --bg-card-hover:  #131a3d;
  --border:         rgba(0, 245, 255, 0.12);
  --border-strong:  rgba(0, 245, 255, 0.3);
  --cyan:           #00F5FF;
  --cyan-dim:       rgba(0, 245, 255, 0.7);
  --cyan-glow:      rgba(0, 245, 255, 0.15);
  --aws-orange:     #FF9900;
  --aws-orange-dim: rgba(255, 153, 0, 0.8);
  --purple:         #B026FF;
  --text-primary:   #F0F4FF;
  --text-secondary: #9BA8C9;
  --text-muted:     #6B7799;
  --success:        #22D45E;
  --danger:         #FF4466;
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      20px;
  --font-mono:      'JetBrains Mono', 'Courier New', monospace;
  --font-sans:      'Inter', system-ui, sans-serif;
  --transition:     all 0.2s ease;
}

/* ─── RESET ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── AMBIENT BACKGROUND ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 40%, rgba(0, 245, 255, 0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 70%, rgba(176, 38, 255, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 10%, rgba(255, 153, 0, 0.04) 0%, transparent 45%);
  pointer-events: none;
  z-index: 0;
}

/* ─── SOCIAL FLOAT ─── */
.social-float {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.social-float a {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 245, 255, 0.08);
  border: 2px solid var(--cyan);
  color: var(--cyan);
  text-decoration: none;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.social-float a:hover {
  transform: scale(1.15) rotate(360deg);
  background: var(--cyan);
  color: var(--bg-deep);
  box-shadow: 0 0 24px rgba(0, 245, 255, 0.4);
}

@media (max-width: 768px) {
  .social-float { display: none; }
}

/* ─── UTILITIES ─── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.text-cyan   { color: var(--cyan); }
.text-orange { color: var(--aws-orange); }
.text-muted  { color: var(--text-muted); }

section { position: relative; z-index: 1; }

/* ─── NAV BAR ─── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 7, 16, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 0;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.navbar__brand {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--aws-orange);
  color: #000;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}

.navbar__cta:hover { background: #e68900; transform: translateY(-1px); }

/* ─── HERO ─── */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34, 212, 94, 0.12);
  border: 1px solid rgba(34, 212, 94, 0.35);
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 99px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero__eyebrow::before { content: '●'; font-size: 0.55rem; }

.hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  max-width: 820px;
  margin: 0 auto 1rem;
}

.hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.hero__subtitle {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hero__stat {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.hero__stat strong { color: var(--text-primary); }

.stars { color: #f5c518; letter-spacing: -1px; }

.hero__stack {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.stack-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  color: var(--cyan);
  background: rgba(0, 245, 255, 0.05);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.stack-badge.orange {
  border-color: rgba(255, 153, 0, 0.4);
  color: var(--aws-orange);
  background: rgba(255, 153, 0, 0.06);
}

.hero__ctas {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.hero__cta-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--aws-orange);
  color: #000;
  border-color: var(--aws-orange);
  box-shadow: 0 0 28px rgba(255, 153, 0, 0.25);
}

.btn-primary:hover {
  background: #e68900;
  border-color: #e68900;
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(255, 153, 0, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--cyan);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--cyan-glow);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.btn-sm {
  font-size: 0.875rem;
  padding: 0.6rem 1.2rem;
}

.btn-microcopy {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* ─── DIVIDER ─── */
.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ─── SECTION HEADINGS ─── */
.section { padding: 5rem 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.6rem;
  display: block;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 580px;
  line-height: 1.7;
}

.curriculum-wip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.9rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.curriculum-wip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--aws-orange);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}

.section-header { margin-bottom: 3rem; }
.section-header.center { text-align: center; }
.section-header.center .section-sub { margin: 0 auto; }

/* ─── CARDS ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.card__icon {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
  display: block;
}

.card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.card__body { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ─── GRID ─── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }

/* ─── BUILD VISUAL ─── */
.build-section { background: var(--bg-dark); }

.build-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  overflow: hidden;
  position: relative;
}

.build-visual::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 245, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.bv-line { margin-bottom: 0.35rem; }
.bv-comment { color: var(--text-muted); }
.bv-cyan    { color: var(--cyan); }
.bv-orange  { color: var(--aws-orange); }
.bv-green   { color: var(--success); }
.bv-purple  { color: var(--purple); }

.build-flow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.flow-node {
  background: rgba(0, 245, 255, 0.08);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
}

.flow-arrow { color: var(--text-muted); font-size: 0.9rem; }

.flow-step {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ─── CHECK LIST ─── */
.checklist { list-style: none; }

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.checklist li:last-child { border-bottom: none; }

.checklist li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05em;
}

/* ─── FOR WHOM ─── */
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.audience-card { border-radius: var(--radius-md); padding: 1.5rem; }

.audience-card.yes {
  background: rgba(34, 212, 94, 0.05);
  border: 1px solid rgba(34, 212, 94, 0.2);
}

.audience-card.no {
  background: rgba(255, 68, 102, 0.05);
  border: 1px solid rgba(255, 68, 102, 0.2);
}

.audience-card__title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.audience-card.yes .audience-card__title { color: var(--success); }
.audience-card.no  .audience-card__title { color: var(--danger); }

.audience-list { list-style: none; }

.audience-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.35rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.audience-list li span { flex-shrink: 0; }

/* ─── OUTCOME LIST ─── */
.outcome-list {
  max-width: 680px;
}

/* ─── INSTRUCTOR BULLETS ─── */
.instructor-bullets {
  list-style: none;
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.instructor-bullets li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.instructor-bullets li::before {
  content: '—';
  color: var(--cyan);
  flex-shrink: 0;
  font-weight: 700;
}

.instructor-bullets a {
  color: var(--cyan);
  text-decoration: none;
  transition: var(--transition);
}

.instructor-bullets a:hover { opacity: 0.75; }

/* ─── PROOF SOURCE ─── */
.proof-source {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 2rem;
  margin-top: -1.5rem;
}

/* ─── AUDIENCE NOTE ─── */
.audience-note {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-align: center;
}

.audience-note a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.audience-note a:hover { opacity: 0.75; }

/* ─── DIFFERENTIATORS ─── */
.diff-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: var(--transition);
}

.diff-card:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }

.diff-card__num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
  flex-shrink: 0;
  line-height: 1;
  opacity: 0.5;
}

.diff-card__content h3 { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.3rem; }
.diff-card__content p  { font-size: 0.87rem; color: var(--text-secondary); line-height: 1.5; }

/* ─── CURRICULUM ─── */
.curriculum-section { background: var(--bg-dark); }

.module-list { display: flex; flex-direction: column; gap: 0.75rem; }

.module-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  transition: var(--transition);
}

.module-item:hover { border-color: var(--border-strong); }

.module-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  background: rgba(0, 245, 255, 0.08);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.5rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.module-content h3 { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.25rem; }
.module-content p  { font-size: 0.85rem; color: var(--text-muted); }

.module-tag {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--aws-orange);
  white-space: nowrap;
  align-self: center;
  flex-shrink: 0;
}

/* ─── INSTRUCTOR ─── */
.instructor-link {
  color: var(--cyan);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-block;
  margin-top: 0.5rem;
}

.instructor-link:hover { opacity: 0.75; }

.instructor-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.instructor-card__avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.2);
}

.instructor-card__name { font-size: 1.4rem; font-weight: 800; color: var(--text-primary); margin-bottom: 0.2rem; }
.instructor-card__role { font-size: 0.9rem; color: var(--cyan); margin-bottom: 1rem; font-family: var(--font-mono); }
.instructor-card__bio { font-size: 0.93rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 1.25rem; }

.instructor-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cert-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 153, 0, 0.1);
  border: 1px solid rgba(255, 153, 0, 0.3);
  color: var(--aws-orange);
}

/* ─── SOCIAL PROOF ─── */
.social-section { background: var(--bg-dark); }

.proof-numbers {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.proof-number { text-align: center; }

.proof-number__val {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.proof-number__label { font-size: 0.82rem; color: var(--text-muted); letter-spacing: 0.04em; }
.proof-separator { width: 1px; background: var(--border); align-self: stretch; }

.testimonials { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }

.testimonial {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
}

.testimonial:hover { border-color: var(--border-strong); }
.testimonial__stars  { color: #f5c518; font-size: 0.9rem; margin-bottom: 0.75rem; }
.testimonial__text   { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.65; margin-bottom: 1rem; font-style: italic; }
.testimonial__author { font-size: 0.82rem; color: var(--text-muted); font-weight: 600; }

.testimonial--invite {
  border-style: dashed;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.testimonial--invite .testimonial__stars {
  color: var(--text-muted);
}

.testimonial__invite-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.testimonial__invite-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.testimonial__invite-cta {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  transition: var(--transition);
  align-self: flex-start;
}

.testimonial__invite-cta:hover { opacity: 0.75; }

/* ─── REQUIREMENTS ─── */
.req-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }

.req-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
}

.req-item__icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.05rem; }
.req-item__text { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }
.req-item__text strong { color: var(--text-primary); display: block; margin-bottom: 0.1rem; font-size: 0.9rem; }

/* ─── FINAL CTA ─── */
.cta-section {
  padding: 6rem 0;
  text-align: center;
  background: var(--bg-dark);
}

.cta-box {
  background: linear-gradient(135deg, rgba(0, 245, 255, 0.05) 0%, rgba(176, 38, 255, 0.05) 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0, 245, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(176, 38, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-box > p:not([class]) {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.cta-box .actions { position: relative; z-index: 1; }

.cta-free-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.cta-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  color: var(--cyan);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.cta-linkedin:hover { opacity: 0.75; }

.cta-wip-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2rem;
  text-align: left;
  position: relative;
  z-index: 1;
}

.cta-review-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.cta-youtube {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.cta-youtube__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #FF4444;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.cta-youtube__link:hover { opacity: 0.8; }

.cta-youtube__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.cta-youtube__sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  line-height: 1.6;
}

/* ─── LEAD CAPTURE ─── */
.lead-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  max-width: 460px;
  margin: 2.5rem auto 0;
}

.lead-form h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.lead-form p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.1rem !important;
}

.form-row {
  display: flex;
  gap: 0.5rem;
}

.form-input {
  flex: 1;
  background: var(--bg-deep);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  outline: none;
  transition: var(--transition);
}

.form-input::placeholder { color: var(--text-muted); }
.form-input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1); }

.form-btn {
  background: var(--cyan);
  color: #000;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.65rem 1.1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: var(--font-sans);
}

.form-btn:hover { background: #00d4df; }
.form-privacy { font-size: 0.74rem; color: var(--text-muted); margin-top: 0.6rem; text-align: center; }
.form-success { display: none; color: var(--success); font-size: 0.9rem; text-align: center; padding: 0.5rem 0; font-weight: 600; }

/* ─── FOOTER ─── */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.footer__links a {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer__links a:hover { color: var(--cyan); }
.footer__copy { font-size: 0.78rem; color: var(--text-muted); }

/* ─── SCROLL FADE ─── */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero { padding: 3.5rem 0 3rem; }
  .section { padding: 3.5rem 0; }
  .hero__cta-group { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 340px; justify-content: center; }
  .instructor-card { grid-template-columns: 1fr; text-align: center; padding: 1.75rem; }
  .instructor-card__avatar { margin: 0 auto; }
  .instructor-certs { justify-content: center; }
  .proof-separator { display: none; }
  .cta-box { padding: 2.5rem 1.25rem; }
  .form-row { flex-direction: column; }
  .form-btn { width: 100%; }
}

@media (max-width: 640px) {
  .audience-grid { grid-template-columns: 1fr; }
}