/* Base */
:root {
  --bg: #FFFFFF;
  --surface: #F4F4F5;
  --surface-2: #E4E4E7;
  --fg: #18181B;
  --fg-muted: #52525B;
  --fg-subtle: #A1A1AA;
  --accent: #F97316;
  --accent-light: #FFF7ED;
  --accent-dim: rgba(249,115,22,0.08);
  --border: #E4E4E7;
  --font-head: 'Syne', sans-serif;
  --font-body: 'Figtree', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
.section-title {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.nav-tag {
  font-size: 11px;
  color: var(--fg-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249,115,22,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 80%);
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 30%;
  width: 600px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(249,115,22,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 48px;
  max-width: 480px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 32px 0 0;
}

.stat:first-child { padding-left: 0; }

.stat-num {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin: 0 32px;
}

/* PLC Simulator */
.plc-display {
  position: relative;
}

.plc-screen {
  background: #0F1117;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(249,115,22,0.1), 0 24px 60px rgba(0,0,0,0.15);
}

.plc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.plc-title {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--fg-muted);
  font-weight: 600;
}

.plc-status {
  font-size: 11px;
  color: #22c55e;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.plc-blink {
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.plc-ladder {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.rung {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--fg-subtle);
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 4px;
}

.rung-active {
  color: #FAFAFA;
  background: rgba(249,115,22,0.08);
  padding: 5px 10px;
  margin: 3px 0;
}

.rung-num {
  color: var(--fg-subtle);
  min-width: 30px;
}

.rung-code { color: inherit; }

.plc-io {
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.io-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--fg-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 8px;
}

.io-chips {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chip {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: var(--fg-subtle);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
}

.chip-on {
  color: #22c55e;
  border-color: rgba(34,197,94,0.3);
  background: rgba(34,197,94,0.08);
}

/* Differentiator Section */
.diff-section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.diff-intro {
  margin-bottom: 60px;
}

.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.diff-card {
  background: var(--surface);
  padding: 40px;
}

.diff-icon {
  margin-bottom: 20px;
}

.diff-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.diff-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Curriculum Section */
.curriculum-section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.curriculum-visual {
  margin-bottom: 48px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}

.curriculum-feature-img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  display: block;
  min-height: 300px;
}

.curriculum-list {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.curriculum-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.curriculum-item:last-child { border-bottom: none; }

.curriculum-num {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  padding-top: 4px;
  letter-spacing: 0.04em;
}

.curriculum-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.curriculum-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.curriculum-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(249,115,22,0.2);
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Outcomes Section */
.outcomes-section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.outcomes-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.outcomes-title {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.15;
}

.outcomes-sub {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

.outcomes-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.5;
}

.outcome-item svg { flex-shrink: 0; margin-top: 1px; }

.outcomes-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-subtle);
  line-height: 1.5;
}

.outcomes-note svg { flex-shrink: 0; margin-top: 2px; }

/* Career Card */
.career-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}

.career-header {
  margin-bottom: 20px;
}

.career-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.career-figure {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
}

.career-currency {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg-muted);
}

.career-amount {
  font-family: var(--font-head);
  font-size: 64px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.04em;
  line-height: 1;
}

.career-unit {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}

.career-note {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.6;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.career-breakdown {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--fg-muted);
}

.breakdown-val {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--fg);
  font-size: 14px;
}

/* Closing Section */
.closing-section {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 680px;
}

.closing-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.closing-badge::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--accent);
}

.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}

.closing-body {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.closing-location {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  font-size: 14px;
  color: var(--fg-subtle);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 12px;
  color: var(--fg-subtle);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-subtle);
}

.footer-dot {
  width: 3px;
  height: 3px;
  background: var(--fg-subtle);
  border-radius: 50%;
}

/* Course Page */
.course-hero {
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.course-hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249,115,22,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
}

.course-hero-glow {
  position: absolute;
  top: -10%;
  left: 25%;
  width: 500px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(249,115,22,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.course-hero-inner {
  position: relative;
  z-index: 1;
}

.course-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
}

.course-headline {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.course-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 48px;
  max-width: 560px;
}

.course-hero-meta {
  display: flex;
  align-items: center;
  gap: 0;
}

.course-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 40px 0 0;
}

.course-meta-item:first-child { padding-left: 0; }

.course-meta-num {
  font-family: var(--font-head);
  font-size: 32px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
  line-height: 1;
}

.course-meta-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.course-meta-divider {
  width: 1px;
  height: 44px;
  background: var(--border);
  margin: 0 40px;
}

/* Format Strip */
.format-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 48px 0;
}

.format-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.format-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.format-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.format-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-subtle);
  margin-bottom: 4px;
}

.format-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 6px;
}

.format-note {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* Timeline Section */
.timeline-section {
  padding: 100px 0;
}

.timeline {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.phase-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--border);
}

.phase-phase {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(249,115,22,0.2);
  padding: 3px 10px;
  border-radius: 4px;
  font-family: var(--font-head);
}

.phase-label {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--fg-muted);
  letter-spacing: -0.01em;
}

.week-row {
  display: grid;
  grid-template-columns: 80px 1fr 220px;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.week-row:last-child { border-bottom: none; }

.week-num {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  color: var(--fg-subtle);
  letter-spacing: 0.04em;
  padding-top: 4px;
}

.week-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.week-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.week-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.week-outcome {
  border-left: 1px solid var(--border);
  padding-left: 24px;
}

.week-outcome-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-subtle);
  margin-bottom: 8px;
}

.week-outcome-val {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.4;
}

/* Modules Summary Grid */
.modules-section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.modules-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.module-card {
  background: var(--surface);
  padding: 40px;
}

.module-num {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.module-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.module-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.module-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* CTA Section */
.course-cta-section {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.course-cta-inner {
  max-width: 680px;
}

.course-cta-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.course-cta-badge::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--accent);
}

.course-cta-headline {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}

.course-cta-body {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}

.course-cta-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: opacity 0.15s ease;
}

.btn-primary:hover { opacity: 0.9; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  color: var(--fg-muted);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--border);
  letter-spacing: -0.01em;
  transition: border-color 0.15s ease;
}

.btn-secondary:hover { border-color: var(--fg-subtle); }

.course-cta-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fg-subtle);
}

.course-cta-note a {
  color: var(--fg-muted);
  text-decoration: none;
}

.course-cta-note a:hover { color: var(--fg); }

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-right {
    order: -1;
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }

  .outcomes-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .curriculum-item {
    grid-template-columns: 48px 1fr;
    gap: 20px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .stat-sep {
    margin: 0 16px;
  }

  .stat {
    padding-right: 16px;
  }

  .hero-stats {
    gap: 0;
  }

  .stat-num {
    font-size: 22px;
  }

  .career-amount {
    font-size: 48px;
  }

  /* Course page */
  .format-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .week-row {
    grid-template-columns: 64px 1fr;
    gap: 20px;
  }

  .week-outcome {
    display: none;
  }

  .modules-grid {
    grid-template-columns: 1fr;
  }

  .course-hero-meta {
    flex-wrap: wrap;
    gap: 24px;
  }

  .course-meta-divider {
    display: none;
  }

  .course-meta-item {
    padding-right: 0;
  }

  .course-cta-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .plc-io {
    grid-template-columns: 1fr;
  }

  .stat-sep {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .format-grid {
    grid-template-columns: 1fr;
  }

  .week-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .week-num {
    display: none;
  }
}
/* ============================================
   ANIMATIONS — Scroll triggers, counters, effects
   ============================================ */

/* Scroll animate base */
.scroll-animate {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-animate.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for grids */
.curriculum-section .curriculum-item:nth-child(1) { transition-delay: 0ms; }
.curriculum-section .curriculum-item:nth-child(2) { transition-delay: 80ms; }
.curriculum-section .curriculum-item:nth-child(3) { transition-delay: 160ms; }
.curriculum-section .curriculum-item:nth-child(4) { transition-delay: 240ms; }
.curriculum-section .curriculum-item:nth-child(5) { transition-delay: 320ms; }
.curriculum-section .curriculum-item:nth-child(6) { transition-delay: 400ms; }

/* Module card stagger */
.modules-section .module-card:nth-child(1) { transition-delay: 0ms; }
.modules-section .module-card:nth-child(2) { transition-delay: 80ms; }
.modules-section .module-card:nth-child(3) { transition-delay: 160ms; }
.modules-section .module-card:nth-child(4) { transition-delay: 240ms; }
.modules-section .module-card:nth-child(5) { transition-delay: 320ms; }
.modules-section .module-card:nth-child(6) { transition-delay: 400ms; }

/* Testimonial card stagger */
.testimonials-grid .testimonial-card:nth-child(1) { transition-delay: 0ms; }
.testimonials-grid .testimonial-card:nth-child(2) { transition-delay: 80ms; }
.testimonials-grid .testimonial-card:nth-child(3) { transition-delay: 160ms; }
.testimonials-grid .testimonial-card:nth-child(4) { transition-delay: 240ms; }
.testimonials-grid .testimonial-card:nth-child(5) { transition-delay: 320ms; }
.testimonials-grid .testimonial-card:nth-child(6) { transition-delay: 400ms; }

/* Ken Burns effect on hero image */
@keyframes kenBurns {
  0% { transform: scale(1.0) translateY(0); }
  50% { transform: scale(1.04) translateY(-8px); }
  100% { transform: scale(1.0) translateY(0); }
}

.hero-image {
  animation: kenBurns 18s ease-in-out infinite;
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats-section {
  position: relative;
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.stats-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249,115,22,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 20%, transparent 80%);
}

.stats-header {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
  z-index: 1;
}

.stats-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.stats-title {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--fg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  z-index: 1;
  margin-bottom: 48px;
}

.stat-item {
  background: var(--bg);
  padding: 40px 32px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-head);
  font-size: 56px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 12px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.stat-suffix {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-item .stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.stats-image-row {
  position: relative;
  z-index: 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 40px;
}

.stats-infographic {
  width: 100%;
  display: block;
  border-radius: 12px;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  min-height: 280px;
}

/* ============================================
   TESTIMONIALS SECTION — Students Speak
   ============================================ */

.testimonials-section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.testimonials-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 60px;
}

.testimonials-header-img {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.testimonials-header-text {
  flex: 1;
}

.testimonials-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.testimonials-title {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 8px;
}

.testimonials-sub {
  font-size: 16px;
  color: var(--fg-muted);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: box-shadow 0.2s ease, transform 0.2s ease, opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0;
  transform: translateY(28px);
}

.testimonial-card.in-view {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.testimonial-photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--border);
}

.testimonial-content {
  flex: 1;
}

.testimonial-quote {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}

.testimonial-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.testimonial-name {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--fg);
}

.testimonial-batch {
  font-size: 12px;
  color: var(--fg-subtle);
}

.testimonial-company {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}

/* ============================================
   HERO — Cinematic image + video placeholder
   ============================================ */

.hero-image-wrap {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  overflow: hidden;
  border-radius: 0;
  z-index: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(255,255,255,0.95) 0%,
    rgba(255,255,255,0.7) 40%,
    rgba(255,255,255,0.1) 100%
  );
}

/* Hero video section */
.hero-video-section {
  position: relative;
  z-index: 1;
  padding: 0 0 80px;
}

.hero-video-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.video-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.video-placeholder {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 16 / 9;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--fg-subtle);
}

.video-play-icon {
  width: 64px;
  height: 64px;
  color: var(--fg-subtle);
  transition: color 0.2s ease, transform 0.2s ease;
}

.video-placeholder:hover .video-play-icon {
  color: var(--accent);
  transform: scale(1.1);
}

.video-placeholder-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
}

/* Hero feature image (right panel, below video section) */
.hero-feature-img {
  width: 100%;
  max-width: 560px;
  border-radius: 16px;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--border);
  box-shadow: 0 12px 48px rgba(0,0,0,0.12);
}

/* Hero actions (CTA buttons) */
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* ============================================
   COURSE PAGE — Hero image
   ============================================ */

.course-hero-image-wrap {
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  overflow: hidden;
}

.course-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.course-hero-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(255,255,255,0.95) 0%,
    rgba(255,255,255,0.6) 50%,
    rgba(255,255,255,0.1) 100%
  );
}

/* ============================================
   HOVER EFFECTS — Buttons scale + shadow
   ============================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(249,115,22,0.3);
  opacity: 1 \!important;
}

.btn-primary:active {
  transform: translateY(0) scale(0.99);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  color: var(--fg-muted);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid var(--border);
  letter-spacing: -0.01em;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  border-color: var(--fg-subtle);
  color: var(--fg);
}

/* Smooth anchor scrolling */
html {
  scroll-behavior: smooth;
}

/* ============================================
   RESPONSIVE UPDATES
   ============================================ */

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .hero-image-wrap {
    position: relative;
    width: 100%;
    height: 280px;
    border-radius: 0 0 16px 16px;
  }

  .hero-image-overlay {
    background: linear-gradient(
      to bottom,
      rgba(255,255,255,0.4) 0%,
      rgba(255,255,255,0.1) 100%
    );
  }

  .course-hero-image-wrap {
    position: relative;
    width: 100%;
    height: 240px;
  }

  .course-hero-image-overlay {
    background: linear-gradient(
      to bottom,
      rgba(255,255,255,0.6) 0%,
      rgba(255,255,255,0.1) 100%
    );
  }

  .testimonials-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .stats-section {
    padding: 60px 0;
  }

  .stat-value {
    font-size: 40px;
  }

  .testimonials-section {
    padding: 60px 0;
  }

  .testimonial-card {
    flex-direction: column;
    gap: 16px;
  }

  .testimonials-grid {
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .stat-item {
    padding: 24px 16px;
  }

  .stat-value {
    font-size: 32px;
  }

  .hero-feature-img {
    max-width: 100%;
  }
}

/* ============================================
   TRAINING ENVIRONMENT SECTION
   ============================================ */

.training-section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.training-header {
  margin-bottom: 48px;
}

.training-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.training-main {
  position: relative;
}

.training-main-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}

.training-main-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
}

.training-label-icon {
  flex-shrink: 0;
}

.training-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.training-side-img {
  position: relative;
}

.training-side-img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.training-img-label {
  position: absolute;
  bottom: 12px;
  left: 16px;
  font-size: 11px;
  font-weight: 600;
  color: white;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .training-section {
    padding: 60px 0;
  }

  .training-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .training-side {
    flex-direction: row;
    gap: 16px;
  }

  .training-side-img img {
    aspect-ratio: 1 / 1;
  }
}

@media (max-width: 480px) {
  .training-side {
    flex-direction: column;
  }
}