@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --bg-dark: #090d16;
  --bg-card: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(6, 182, 212, 0.4);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  
  --gradient-brand: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  --gradient-glow: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, rgba(9, 13, 22, 0) 70%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background Atmosphere */
.ambient-glow {
  position: fixed;
  top: -250px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: 0;
  filter: blur(60px);
}

.ambient-glow-bottom {
  position: fixed;
  bottom: -300px;
  right: -100px;
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(9, 13, 22, 0) 70%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(9, 13, 22, 0.75);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: contain;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand-name span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Reusable Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.35rem;
  border-radius: 9999px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}

/* Hero Section */
.hero {
  position: relative;
  z-index: 10;
  max-width: 1240px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 5rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 1.75rem;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}

.hero-heading .gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats-row {
  display: flex;
  gap: 2rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
}

.stat-item h4 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.15rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 500;
}

/* Hero Art Frame */
.hero-visual {
  position: relative;
}

.visual-frame {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 1rem;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(16px);
  overflow: hidden;
}

.visual-frame img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
}

.floating-chip {
  position: absolute;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-hover);
  backdrop-filter: blur(12px);
  padding: 0.75rem 1.25rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.floating-chip-top {
  top: -15px;
  right: -15px;
  animation: floatSlow 4s ease-in-out infinite;
}

.floating-chip-bottom {
  bottom: 25px;
  left: -20px;
  animation: floatSlow 4.5s ease-in-out infinite reverse;
}

@keyframes floatSlow {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

.chip-icon {
  font-size: 1.5rem;
}

.chip-text h5 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.chip-text p {
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

/* Section Title Generic */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Exam Cards Section */
.exams-section {
  position: relative;
  z-index: 10;
  max-width: 1240px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.exams-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.exam-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.exam-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.exam-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  align-self: flex-start;
  margin-bottom: 1.25rem;
}

.badge-bdes { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.badge-mdes { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.badge-arch { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-design { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }

.exam-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.exam-subtitle {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.exam-features {
  list-style: none;
  margin-bottom: 2rem;
  flex: 1;
}

.exam-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.exam-features li::before {
  content: '✓';
  color: var(--accent-cyan);
  font-weight: 800;
}

/* Features Showcase with Art */
.showcase-section {
  position: relative;
  z-index: 10;
  max-width: 1240px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.showcase-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.showcase-img-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #0b1120;
}

.showcase-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.showcase-card:hover .showcase-img-wrap img {
  transform: scale(1.05);
}

.showcase-content {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.showcase-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.showcase-content p {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex: 1;
}

.showcase-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.2s ease;
}

.showcase-link:hover {
  gap: 0.6rem;
  color: #38bdf8;
}

/* CTA Banner */
.cta-banner-wrap {
  max-width: 1240px;
  margin: 3rem auto 5rem;
  padding: 0 1.5rem;
  position: relative;
  z-index: 10;
}

.cta-banner {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(99, 102, 241, 0.2) 100%);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 28px;
  padding: 4rem 2rem;
  text-align: center;
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.cta-banner p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 2.25rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  background: #060911;
  padding: 4rem 1.5rem 2rem;
  position: relative;
  z-index: 10;
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.65rem;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--text-main);
}

.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Mobile Responsive */
@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 2.5rem;
  }
  .hero-description {
    margin: 0 auto 2.5rem;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats-row {
    justify-content: center;
  }
  .showcase-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav-menu {
    display: none;
  }
  .hero-heading {
    font-size: 2.25rem;
  }
  .hero-stats-row {
    flex-direction: column;
    gap: 1rem;
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
}