:root {
  --bg-deep: #1A1A1A;
  --bg-surface: #2A2A2A;
  --bg-card: #222222;
  --accent: #D97757;
  --accent-hover: #E08A6D;
  --accent-light: #D9775718;
  --accent-ai: #D97757;
  --accent-ai-dim: #D9775730;
  --text-primary: #ECECEC;
  --text-secondary: #A0A0A0;
  --text-dim: #666666;
  --border-subtle: #333333;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* === BACKGROUND === */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, #D9775708 0%, transparent 60%);
  pointer-events: none;
}

/* === LAYOUT === */
.content { position: relative; z-index: 2; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

/* === NAV === */
nav {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-subtle);
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.logo-text {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 20px;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.logo-text span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text-primary); }

.user-menu { position: relative; }

.user-menu-btn, #user-menu-btn {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  min-width: 160px;
  padding: 6px 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  z-index: 100;
}

.user-dropdown.open { display: block; }

.user-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.user-dropdown a:hover {
  background: var(--accent-light);
  color: var(--text-primary);
}

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF !important;
  background: var(--accent);
  padding: 10px 24px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 16px var(--accent-light);
}

/* (hero styles in compact hero section above) */

.btn-primary {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--accent);
  padding: 16px 36px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 4px 24px var(--accent-light);
  transform: translateY(-1px);
}

.btn-secondary {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  padding: 16px 36px;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--text-dim);
  color: var(--text-primary);
  background: var(--bg-surface);
}

/* === COMPACT HERO === */
.hero-compact {
  padding: 48px 0 32px;
  text-align: center;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.hero-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero-compact h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 400;
  line-height: 1.15;
  color: var(--text-primary);
  animation: fadeSlideUp 0.8s ease-out;
}

.hero-compact h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === FEATURED CAROUSEL === */
.featured-section {
  padding: 20px 0 40px;
}

.carousel {
  position: relative;
}

.carousel-track {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: background 0.2s, border-color 0.2s;
  line-height: 1;
  padding: 0 0 2px 0;
}

.carousel-arrow:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.carousel-prev { left: -20px; }
.carousel-next { right: -20px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border-subtle);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}

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

.featured-card {
  grid-template-columns: 1fr 1fr;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  position: absolute;
  inset: 0;
  display: grid;
  opacity: 0;
  transform: translateX(40px);
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.featured-card.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  position: relative;
}

.featured-card.leaving {
  opacity: 0;
  transform: translateX(-40px);
}

.featured-card:hover {
  border-color: var(--accent-ai-dim);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.featured-art {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.featured-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.featured-card:hover .featured-art img {
  transform: scale(1.03);
}

.featured-info {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-status {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.3px;
  background: linear-gradient(135deg, #D97757, #E08A6D);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
  width: fit-content;
}

.featured-title {
  font-family: 'DM Serif Display', serif;
  font-size: 42px;
  font-weight: 400;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.featured-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.featured-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

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

.featured-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  border: 1px solid var(--border-subtle);
  padding: 4px 12px;
  border-radius: 6px;
}

/* (try-demo removed — merged into developer section) */

@media (max-width: 900px) {
  .featured-card { grid-template-columns: 1fr; }
  .featured-art { aspect-ratio: 16/9; }
}

@media (max-width: 600px) {
  .featured-info { padding: 20px; }
  .featured-title { font-size: 28px; }
}

/* === SECTION HEADERS === */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 36px;
  font-weight: 400;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 16px;
  color: var(--text-secondary);
}

/* === DEVELOPERS === */
.dev-section {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.dev-demo {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 32px;
}

.dev-demo h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 10px;
}

.dev-demo p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.dev-demo-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.dev-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.dev-feature {
  background: var(--bg-surface);
  padding: 20px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.dev-feature-icon {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  padding: 6px 10px;
  border: 1px solid var(--accent-ai-dim);
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
  background: var(--accent-light);
}

.dev-feature-icon.coming-soon-icon {
  color: var(--text-dim);
  border-color: var(--border-subtle);
  background: transparent;
}

.dev-feature h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.dev-feature p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.coming-soon-inline {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 8px;
  vertical-align: middle;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* === CTA === */
.cta-section {
  padding: 100px 0;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-light) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 400;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* === FOOTER === */
footer {
  padding: 32px 0;
  border-top: 1px solid var(--border-subtle);
}

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

.footer-left {
  font-size: 13px;
  color: var(--text-dim);
}

.footer-right {
  display: flex;
  gap: 24px;
}

.footer-right a {
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-right a:hover { color: var(--text-secondary); }

/* === ANIMATIONS === */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === SCROLL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .dev-features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .steps { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .dev-demo-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
  footer .container { flex-direction: column; gap: 16px; text-align: center; }
}