:root {
  --espresso: #1A1512;
  --champagne: #D4C5B0;
  --ivory: #F5F1EB;
  --warm-white: #FEFDFB;
  --accent: #C9A876;
  --muted: #8B7E6F;
  --step: 10px;
  --section-y: 128px;
  --gap: 56px;
  --radius: 2px;
  --serif: 'Didot', 'Bodoni MT', 'Playfair Display', Georgia, serif;
  --sans: 'Avenir Next', 'Helvetica Neue', system-ui, sans-serif;
}

:root.theme-dark {
  --espresso: #FEFDFB;
  --champagne: #3A3228;
  --ivory: #1A1512;
  --warm-white: #0E0C0A;
  --accent: #8B7350;
  --muted: #A89B8C;
}

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

body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.7;
  background: var(--warm-white);
  color: var(--espresso);
  transition: background 0.35s ease, color 0.35s ease;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 calc(var(--step) * 4);
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--warm-white);
  border-bottom: 1px solid var(--champagne);
  padding: calc(var(--step) * 2) 0;
  transition: background 0.35s ease;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: calc(var(--step) * 3);
}

.wordmark {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--espresso);
  text-decoration: none;
  transition: letter-spacing 0.35s ease;
}

.wordmark:hover {
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: calc(var(--step) * 3);
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--espresso);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
  transition: letter-spacing 0.35s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--espresso);
  transition: width 0.35s ease;
}

.nav-links a:hover {
  letter-spacing: 0.05em;
}

.nav-links a:hover::after {
  width: 100%;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 1);
  padding: calc(var(--step) * 0.8) calc(var(--step) * 1.5);
  background: transparent;
  border: 1px solid var(--champagne);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.35s ease;
}

.theme-toggle:hover {
  background: var(--ivory);
}

.theme-toggle-option {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.35s ease;
  opacity: 0.4;
}

.theme-toggle-option.active {
  opacity: 1;
  background: var(--champagne);
}

/* Hero */
.hero {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
}

.hero-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(26, 21, 18, 0.95), transparent);
  padding: calc(var(--step) * 8) calc(var(--step) * 4) calc(var(--step) * 4);
  color: var(--warm-white);
}

.hero-caption::before {
  content: '';
  position: absolute;
  top: 0;
  left: calc(var(--step) * 4);
  right: calc(var(--step) * 4);
  height: 1px;
  background: var(--champagne);
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: calc(var(--step) * 2);
  max-width: 900px;
}

.hero-subtitle {
  font-size: 17px;
  font-weight: 300;
  line-height: 1.6;
  max-width: 600px;
  opacity: 0.9;
}

/* Editorial Split */
.editorial-split {
  padding: var(--section-y) 0;
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: center;
}

.split-content h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: calc(var(--step) * 3);
}

.split-content p {
  margin-bottom: calc(var(--step) * 2);
  color: var(--muted);
}

.waitlist-form {
  margin-top: calc(var(--step) * 4);
}

.form-group {
  position: relative;
  margin-bottom: calc(var(--step) * 2);
}

.form-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: calc(var(--step) * 1);
  color: var(--muted);
}

.form-input {
  width: 100%;
  padding: calc(var(--step) * 1.8) calc(var(--step) * 2);
  background: var(--ivory);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--espresso);
  transition: all 0.35s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--warm-white);
}

.form-input.error {
  border-color: #C85A54;
}

.error-message {
  display: none;
  font-size: 13px;
  color: #C85A54;
  margin-top: calc(var(--step) * 0.8);
}

.error-message.visible {
  display: block;
}

.submit-btn {
  width: 100%;
  padding: calc(var(--step) * 1.8) calc(var(--step) * 3);
  background: var(--espresso);
  color: var(--warm-white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.submit-btn:hover:not(:disabled) {
  letter-spacing: 0.12em;
  background: var(--accent);
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--warm-white);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.submit-btn.loading .btn-text {
  display: none;
}

.submit-btn.loading .btn-spinner {
  display: block;
}

.success-message {
  display: none;
  padding: calc(var(--step) * 3);
  background: var(--ivory);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  margin-top: calc(var(--step) * 2);
}

.success-message.visible {
  display: block;
  animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.success-message h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 1);
}

.progress-container {
  margin-top: calc(var(--step) * 4);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: calc(var(--step) * 1.5);
  color: var(--muted);
}

.progress-bar {
  height: 2px;
  background: var(--champagne);
  position: relative;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--espresso);
  transition: width 1s ease;
}

.split-visual {
  position: relative;
}

.split-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  filter: brightness(0.95);
}

/* Countdown */
.countdown-section {
  padding: calc(var(--section-y) * 0.6) 0;
  background: var(--ivory);
  border-top: 1px solid var(--champagne);
  border-bottom: 1px solid var(--champagne);
}

.countdown-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 4);
  letter-spacing: -0.01em;
}

.countdown-grid {
  display: flex;
  justify-content: center;
  gap: calc(var(--step) * 4);
  flex-wrap: wrap;
}

.countdown-unit {
  text-align: center;
  min-width: 100px;
}

.countdown-value {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 400;
  line-height: 1;
  display: block;
  margin-bottom: calc(var(--step) * 1);
}

.countdown-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Ticker */
.ticker-section {
  padding: calc(var(--step) * 3) 0;
  background: var(--warm-white);
  border-bottom: 1px solid var(--champagne);
  overflow: hidden;
}

.ticker-label {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: calc(var(--step) * 2);
}

.ticker-track {
  display: flex;
  gap: calc(var(--step) * 5);
  animation: scroll 40s linear infinite;
  width: max-content;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 1.5);
  white-space: nowrap;
  font-size: 14px;
}

.ticker-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.ticker-time {
  color: var(--muted);
  font-size: 12px;
}

/* Stats */
.stats-section {
  padding: var(--section-y) 0;
}

.stats-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 6);
  letter-spacing: -0.01em;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--step) * 4);
  margin-bottom: calc(var(--step) * 8);
}

.stat-card {
  text-align: center;
  padding: calc(var(--step) * 3);
  border-top: 1px solid var(--champagne);
}

.stat-value {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
  display: block;
  margin-bottom: calc(var(--step) * 1.5);
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.chart-container {
  max-width: 900px;
  margin: 0 auto;
  padding: calc(var(--step) * 4);
  background: var(--ivory);
  border-radius: var(--radius);
}

.chart-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 3);
}

#growthChart {
  width: 100%;
  height: 300px;
  display: block;
}

/* Quiz */
.quiz-section {
  padding: var(--section-y) 0;
  background: var(--ivory);
  border-top: 1px solid var(--champagne);
}

.quiz-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 2);
  letter-spacing: -0.01em;
}

.quiz-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto calc(var(--step) * 6);
  color: var(--muted);
}

.quiz-options {
  max-width: 700px;
  margin: 0 auto;
  display: grid;
  gap: calc(var(--step) * 2);
}

.quiz-option {
  padding: calc(var(--step) * 3);
  background: var(--warm-white);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.35s ease;
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 2);
}

.quiz-option:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.quiz-option.selected {
  background: var(--espresso);
  color: var(--warm-white);
  border-color: var(--espresso);
}

.quiz-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.quiz-option.selected .quiz-icon {
  background: var(--accent);
}

.quiz-result {
  display: none;
  max-width: 700px;
  margin: calc(var(--step) * 4) auto 0;
  padding: calc(var(--step) * 4);
  background: var(--warm-white);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  text-align: center;
}

.quiz-result.visible {
  display: block;
  animation: fadeIn 0.35s ease;
}

.quiz-result h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 2);
}

/* Timeline */
.timeline-section {
  padding: var(--section-y) 0;
}

.timeline-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 8);
  letter-spacing: -0.01em;
}

.timeline-track {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.timeline-line {
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--champagne);
}

.timeline-item {
  position: relative;
  padding-left: calc(var(--step) * 10);
  margin-bottom: calc(var(--step) * 8);
}

.timeline-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--espresso);
  color: var(--warm-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
}

.timeline-content h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 1.5);
}

.timeline-content p {
  color: var(--muted);
  line-height: 1.7;
}

/* Mentors */
.mentors-section {
  padding: var(--section-y) 0;
  background: var(--ivory);
  border-top: 1px solid var(--champagne);
}

.mentors-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 2);
  letter-spacing: -0.01em;
}

.mentors-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto calc(var(--step) * 4);
  color: var(--muted);
}

.filter-bar {
  display: flex;
  justify-content: center;
  gap: calc(var(--step) * 1.5);
  flex-wrap: wrap;
  margin-bottom: calc(var(--step) * 6);
}

.filter-btn {
  padding: calc(var(--step) * 1.2) calc(var(--step) * 2.5);
  background: transparent;
  border: 1px solid var(--champagne);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.35s ease;
  position: relative;
}

.filter-btn:hover {
  background: var(--warm-white);
  letter-spacing: 0.08em;
}

.filter-btn.active {
  background: var(--espresso);
  color: var(--warm-white);
  border-color: var(--espresso);
}

.filter-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.mentors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: calc(var(--step) * 4);
}

.mentor-card {
  background: var(--warm-white);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  padding: calc(var(--step) * 3);
  cursor: pointer;
  transition: all 0.35s ease;
}

.mentor-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.mentor-header {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 2);
  margin-bottom: calc(var(--step) * 2);
}

.mentor-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  flex-shrink: 0;
}

.mentor-name {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 0.5);
}

.mentor-title {
  font-size: 13px;
  color: var(--muted);
}

.mentor-expertise {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--step) * 1);
  margin-bottom: calc(var(--step) * 2);
}

.expertise-tag {
  padding: calc(var(--step) * 0.6) calc(var(--step) * 1.2);
  background: var(--ivory);
  border: 1px solid var(--champagne);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mentor-bio {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: calc(var(--step) * 2);
}

.mentor-status {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 1);
  font-size: 13px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.status-dot.available {
  background: #5A8F7B;
}

.status-dot.limited {
  background: #C9A876;
}

.apply-mentor {
  text-align: center;
  margin-top: calc(var(--step) * 6);
}

.apply-btn {
  padding: calc(var(--step) * 1.5) calc(var(--step) * 3);
  background: transparent;
  color: var(--espresso);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.35s ease;
  text-decoration: none;
  display: inline-block;
}

.apply-btn:hover {
  background: var(--warm-white);
  letter-spacing: 0.08em;
}

/* Gallery Rail */
.gallery-section {
  padding: var(--section-y) 0;
}

.gallery-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 6);
  letter-spacing: -0.01em;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: calc(var(--step) * 4);
}

.gallery-card {
  background: var(--ivory);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  padding: calc(var(--step) * 3);
  cursor: pointer;
  transition: all 0.35s ease;
}

.gallery-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.gallery-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: calc(var(--step) * 2);
}

.gallery-card-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 1.5);
}

.gallery-card-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: calc(var(--step) * 2);
}

.gallery-meta {
  display: flex;
  gap: calc(var(--step) * 2);
  font-size: 12px;
  color: var(--muted);
}

/* Social Proof */
.social-section {
  padding: calc(var(--section-y) * 0.6) 0;
  background: var(--ivory);
  border-top: 1px solid var(--champagne);
  border-bottom: 1px solid var(--champagne);
}

.social-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 4);
}

.social-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(var(--step) * 6);
  flex-wrap: wrap;
  opacity: 0.5;
}

.social-logo {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.05em;
}

/* Testimonials */
.testimonials-section {
  padding: var(--section-y) 0;
}

.testimonials-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 6);
  letter-spacing: -0.01em;
}

.carousel-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel-slide {
  min-width: 100%;
  padding: 0 calc(var(--step) * 2);
}

.testimonial-card {
  background: var(--ivory);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  padding: calc(var(--step) * 4);
}

.testimonial-quote {
  font-size: 18px;
  line-height: 1.7;
  font-style: italic;
  margin-bottom: calc(var(--step) * 3);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: calc(var(--step) * 2);
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--champagne);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
}

.testimonial-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 0.5);
}

.testimonial-role {
  font-size: 13px;
  color: var(--muted);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: calc(var(--step) * 2);
  margin-top: calc(var(--step) * 4);
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--champagne);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.35s ease;
}

.carousel-btn:hover {
  background: var(--ivory);
  letter-spacing: 0.05em;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: calc(var(--step) * 1.5);
  margin-top: calc(var(--step) * 3);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--champagne);
  border: none;
  cursor: pointer;
  transition: all 0.35s ease;
}

.carousel-dot.active {
  background: var(--espresso);
  transform: scale(1.3);
}

/* FAQ */
.faq-section {
  padding: var(--section-y) 0;
  background: var(--ivory);
  border-top: 1px solid var(--champagne);
}

.faq-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  text-align: center;
  margin-bottom: calc(var(--step) * 6);
  letter-spacing: -0.01em;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--champagne);
  margin-bottom: calc(var(--step) * 2);
}

.faq-question {
  width: 100%;
  padding: calc(var(--step) * 2) 0;
  background: transparent;
  border: none;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--espresso);
  transition: all 0.35s ease;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  font-size: 24px;
  transition: transform 0.35s ease;
  flex-shrink: 0;
  margin-left: calc(var(--step) * 2);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-content {
  padding-bottom: calc(var(--step) * 3);
  color: var(--muted);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

/* Footer */
.footer {
  padding: calc(var(--section-y) * 0.8) 0 calc(var(--step) * 4);
  background: var(--espresso);
  color: var(--ivory);
  border-top: 1px solid var(--champagne);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--step) * 6);
  margin-bottom: calc(var(--step) * 6);
}

.footer-section h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 2);
  color: var(--warm-white);
}

.footer-section p {
  color: var(--champagne);
  line-height: 1.7;
  margin-bottom: calc(var(--step) * 2);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: calc(var(--step) * 1.5);
}

.footer-links a {
  color: var(--champagne);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.35s ease;
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--champagne);
  transition: width 0.35s ease;
}

.footer-links a:hover::after {
  width: 100%;
}

.newsletter-form {
  display: flex;
  gap: calc(var(--step) * 1);
}

.newsletter-input {
  flex: 1;
  padding: calc(var(--step) * 1.5) calc(var(--step) * 2);
  background: transparent;
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 14px;
}

.newsletter-input::placeholder {
  color: var(--champagne);
  opacity: 0.6;
}

.newsletter-btn {
  padding: calc(var(--step) * 1.5) calc(var(--step) * 2.5);
  background: var(--champagne);
  color: var(--espresso);
  border: none;
  border-radius: var(--radius);
  font-size: 18px;
  cursor: pointer;
  transition: all 0.35s ease;
}

.newsletter-btn:hover {
  background: var(--accent);
}

.footer-bottom {
  text-align: center;
  padding-top: calc(var(--step) * 4);
  border-top: 1px solid var(--champagne);
  color: var(--champagne);
  font-size: 13px;
  opacity: 0.7;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 21, 18, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: calc(var(--step) * 3);
  animation: fadeIn 0.35s ease;
}

.modal.visible {
  display: flex;
}

.modal-content {
  background: var(--warm-white);
  border: 1px solid var(--champagne);
  border-radius: var(--radius);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: calc(var(--step) * 4);
  border-bottom: 1px solid var(--champagne);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: calc(var(--step) * 2);
}

.modal-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--champagne);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: all 0.35s ease;
  flex-shrink: 0;
}

.modal-close:hover {
  background: var(--ivory);
  transform: rotate(90deg);
}

.modal-body {
  padding: calc(var(--step) * 4);
}

.modal-title {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 1);
}

.modal-subtitle {
  font-size: 14px;
  color: var(--muted);
}

.modal-section {
  margin-bottom: calc(var(--step) * 4);
}

.modal-section h4 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: calc(var(--step) * 2);
}

.modal-section p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: calc(var(--step) * 1.5);
}

.modal-section ul {
  list-style: none;
  padding: 0;
}

.modal-section li {
  padding: calc(var(--step) * 1.5) 0;
  border-bottom: 1px solid var(--champagne);
  color: var(--muted);
}

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

.portfolio-links {
  display: flex;
  gap: calc(var(--step) * 1.5);
  flex-wrap: wrap;
}

.portfolio-link {
  padding: calc(var(--step) * 1.2) calc(var(--step) * 2);
  background: var(--espresso);
  color: var(--warm-white);
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all 0.35s ease;
  display: inline-block;
}

.portfolio-link:hover {
  background: var(--accent);
  letter-spacing: 0.08em;
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --section-y: 80px;
    --gap: 32px;
  }

  .container {
    padding: 0 calc(var(--step) * 2);
  }

  .nav-links {
    display: none;
  }

  .hero {
    height: 70vh;
    min-height: 500px;
  }

  .hero-caption {
    padding: calc(var(--step) * 4) calc(var(--step) * 2) calc(var(--step) * 3);
  }

  .hero-caption::before {
    left: calc(var(--step) * 2);
    right: calc(var(--step) * 2);
  }

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

  .timeline-line {
    left: 20px;
  }

  .timeline-item {
    padding-left: calc(var(--step) * 6);
  }

  .timeline-number {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }

  .stats-grid,
  .mentors-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .countdown-grid {
    gap: calc(var(--step) * 2);
  }

  .countdown-unit {
    min-width: 80px;
  }

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

  .filter-bar {
    gap: calc(var(--step) * 1);
  }

  .filter-btn {
    padding: calc(var(--step) * 1) calc(var(--step) * 2);
    font-size: 11px;
  }
}

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

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Obsidian / Aetheris credit block */
.obsidian-credit {
  text-align: center;
}
.obsidian-credit-line {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.02em;
}
.obsidian-credit-line a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.35s ease;
}
.obsidian-credit-line a:hover {
  border-bottom-color: var(--accent);
}
.obsidian-credit-tagline {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: calc(var(--step) * 1);
}
.obsidian-credit-body {
  max-width: 62ch;
  margin: calc(var(--step) * 2) auto calc(var(--step) * 2.5);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}