/* === SBTI Y2K Futuristic Theme === */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Exo+2:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg: #050510;
  --bg-card: rgba(15, 10, 40, 0.7);
  --bg-card-hover: rgba(25, 15, 60, 0.85);
  --border: rgba(0, 212, 255, 0.15);
  --border-glow: rgba(255, 45, 149, 0.4);
  --text: #e8e0ff;
  --text-muted: #9b8ec4;
  --text-dim: #6b5e8a;
  --pink: #FF2D95;
  --cyan: #00D4FF;
  --purple: #B537F2;
  --green: #39FF14;
  --silver: #C0C0D0;
  --chrome-1: #e8e0ff;
  --chrome-2: #b0a8d0;
  --chrome-3: #706890;
  --glow-pink: rgba(255, 45, 149, 0.3);
  --glow-cyan: rgba(0, 212, 255, 0.3);
  --glow-purple: rgba(181, 55, 242, 0.3);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: 'Orbitron', 'Inter', sans-serif;
  --font-body: 'Exo 2', 'Noto Sans TC', -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

/* Animated background mesh */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 20%, rgba(181, 55, 242, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 80% 80%, rgba(255, 45, 149, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 60% 40%, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: bgPulse 8s ease-in-out infinite alternate;
}

@keyframes bgPulse {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 212, 255, 0.015) 2px,
    rgba(0, 212, 255, 0.015) 4px
  );
  pointer-events: none;
  z-index: 1;
}

a { color: var(--cyan); text-decoration: none; }

/* Glassmorphism mixin via class */
.glass {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 5, 16, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.05);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 4px;
  background: linear-gradient(135deg, var(--cyan), var(--pink), var(--purple));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: chromeShift 4s ease-in-out infinite;
  text-shadow: 0 0 30px var(--glow-cyan);
}

@keyframes chromeShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.nav-links { display: flex; gap: 8px; }

.nav-links a {
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid transparent;
  transition: all 0.3s;
}

.nav-links a:hover {
  color: var(--cyan);
  border-color: var(--border);
  background: rgba(0, 212, 255, 0.05);
  text-shadow: 0 0 10px var(--glow-cyan);
}

/* === Sections === */
.section {
  min-height: 100vh;
  padding: 100px 24px 60px;
  position: relative;
  z-index: 2;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--cyan), var(--purple), var(--pink));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: chromeShift 6s ease-in-out infinite;
}

.section-desc {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 48px;
  font-size: 0.95rem;
  line-height: 1.8;
}

/* === Hero === */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  padding-top: 60px;
}

.hero-content { max-width: 500px; }

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 45, 149, 0.1));
  border: 1px solid rgba(0, 212, 255, 0.25);
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 28px;
  text-transform: uppercase;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1), inset 0 0 20px rgba(0, 212, 255, 0.05);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 5.5rem;
  font-weight: 900;
  letter-spacing: 10px;
  background: linear-gradient(
    135deg,
    var(--cyan) 0%,
    var(--purple) 30%,
    var(--pink) 60%,
    var(--cyan) 100%
  );
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: chromeShift 4s ease-in-out infinite;
  line-height: 1.1;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 40px var(--glow-purple));
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 36px;
}

/* === Buttons === */
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  border: none;
  border-radius: 28px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
  margin-right: 12px;
  box-shadow:
    0 4px 20px var(--glow-pink),
    0 0 40px rgba(255, 45, 149, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before { left: 100%; }

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 8px 32px var(--glow-pink),
    0 0 60px rgba(255, 45, 149, 0.2);
}

.btn-secondary {
  display: inline-block;
  padding: 14px 36px;
  background: transparent;
  color: var(--cyan);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 28px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.btn-secondary:hover {
  border-color: var(--cyan);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 24px var(--glow-cyan);
  text-shadow: 0 0 10px var(--glow-cyan);
}

/* === Hero Visual === */
.hero-visual {
  position: relative;
  width: 300px;
  height: 300px;
  flex-shrink: 0;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  animation: spin 20s linear infinite;
}

.ring-1 {
  width: 200px; height: 200px;
  top: 50px; left: 50px;
  animation-duration: 12s;
  border: 1.5px solid;
  border-image: linear-gradient(135deg, var(--cyan), transparent, var(--pink)) 1;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 212, 255, 0.3);
  box-shadow: 0 0 15px var(--glow-cyan), inset 0 0 15px rgba(0, 212, 255, 0.05);
}

.ring-2 {
  width: 260px; height: 260px;
  top: 20px; left: 20px;
  animation-duration: 20s;
  animation-direction: reverse;
  border: 1px solid rgba(255, 45, 149, 0.2);
  box-shadow: 0 0 20px var(--glow-pink), inset 0 0 20px rgba(255, 45, 149, 0.03);
}

.ring-3 {
  width: 300px; height: 300px;
  top: 0; left: 0;
  animation-duration: 30s;
  border: 1px solid rgba(181, 55, 242, 0.15);
  box-shadow: 0 0 25px var(--glow-purple);
}

.center-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px var(--glow-cyan));
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* === About === */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.about-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink));
  opacity: 0;
  transition: opacity 0.3s;
}

.about-card:hover::before { opacity: 1; }

.about-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  background: var(--bg-card-hover);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 20px var(--glow-cyan);
  transform: translateY(-2px);
}

.about-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(255, 45, 149, 0.15));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  line-height: 1;
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.about-card p {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* === Comparison Table === */
.comparison-table {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.comparison-table::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink));
}

.comparison-title {
  text-align: center;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.08);
  font-size: 0.85rem;
}

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

.comparison-row.header {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--text);
}

.comparison-row span:first-child { color: var(--text-muted); }
.comparison-row span:nth-child(2) { text-align: center; }
.comparison-row span:nth-child(3) {
  text-align: center;
  color: var(--cyan);
  font-weight: 600;
  text-shadow: 0 0 8px var(--glow-cyan);
}

/* === Dimensions === */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.model-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.model-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  opacity: 0;
  transition: opacity 0.3s;
}

.model-card:hover::after { opacity: 1; }

.model-card:hover {
  border-color: rgba(181, 55, 242, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--glow-purple);
}

.model-icon { font-size: 2rem; margin-bottom: 12px; }

.model-card h3 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.dim-list { display: flex; flex-direction: column; gap: 10px; }

.dim-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dim-code {
  display: inline-block;
  padding: 3px 10px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(181, 55, 242, 0.12));
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 6px;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-display);
  min-width: 40px;
  text-align: center;
  letter-spacing: 1px;
}

.dim-eng {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-display);
  letter-spacing: 1px;
}

/* === Types Grid === */
.types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.type-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  cursor: pointer;
  transition: all 0.4s;
  position: relative;
  overflow: hidden;
}

.type-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.03), rgba(255, 45, 149, 0.03));
  opacity: 0;
  transition: opacity 0.3s;
}

.type-card:hover::before { opacity: 1; }

.type-card:hover {
  border-color: rgba(255, 45, 149, 0.4);
  transform: translateY(-4px) scale(1.02);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.4),
    0 0 30px var(--glow-pink),
    inset 0 0 30px rgba(255, 45, 149, 0.02);
}

.type-card .type-code {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--cyan), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
  filter: drop-shadow(0 0 8px var(--glow-cyan));
}

.type-card .type-name {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.type-card .type-name-cn {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.type-card .type-pattern {
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 1.5px;
}

/* Type detail modal */
.type-modal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(16px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.type-modal.active { display: flex; }

.type-modal-content {
  background: linear-gradient(135deg, rgba(15, 10, 40, 0.95), rgba(25, 10, 50, 0.95));
  backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius);
  padding: 44px;
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.6),
    0 0 60px var(--glow-purple),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  position: relative;
}

.type-modal-content::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink), var(--cyan));
  background-size: 200% 100%;
  animation: borderFlow 3s linear infinite;
}

@keyframes borderFlow {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}

.type-modal-content .modal-code {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: 5px;
  background: linear-gradient(135deg, var(--cyan), var(--purple), var(--pink));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: chromeShift 4s ease-in-out infinite;
  filter: drop-shadow(0 0 20px var(--glow-purple));
}

.type-modal-content .modal-name {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.type-modal-content .modal-name-cn {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.type-modal-content .modal-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.type-modal-content .modal-traits {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.modal-trait-tag {
  padding: 5px 14px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(181, 55, 242, 0.1));
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--cyan);
}

.modal-pattern {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-align: center;
  padding: 14px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 212, 255, 0.08);
  border-radius: var(--radius-sm);
}

.modal-close {
  display: block;
  margin: 24px auto 0;
  padding: 10px 28px;
  background: transparent;
  border: 1px solid rgba(255, 45, 149, 0.3);
  border-radius: 24px;
  color: var(--pink);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all 0.3s;
}

.modal-close:hover {
  border-color: var(--pink);
  background: rgba(255, 45, 149, 0.08);
  box-shadow: 0 0 20px var(--glow-pink);
}

/* === Test Section === */
.test-progress { margin-bottom: 32px; }

.progress-bar {
  height: 4px;
  background: rgba(0, 212, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 8px;
  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.3);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink));
  border-radius: 2px;
  transition: width 0.3s;
  width: 0%;
  box-shadow: 0 0 12px var(--glow-cyan);
}

.progress-text {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-display);
  letter-spacing: 2px;
}

.question-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px;
  max-width: 650px;
  margin: 0 auto;
  animation: fadeIn 0.3s ease;
  position: relative;
  overflow: hidden;
}

.question-card::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink));
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.question-model {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 18px;
  text-transform: uppercase;
  text-shadow: 0 0 10px var(--glow-cyan);
}

.question-text {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 30px;
  line-height: 1.7;
}

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

.option-btn {
  padding: 16px 22px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s;
  line-height: 1.5;
  font-family: var(--font-body);
  position: relative;
  overflow: hidden;
}

.option-btn::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 2px; height: 100%;
  background: linear-gradient(180deg, var(--cyan), var(--pink));
  opacity: 0;
  transition: opacity 0.3s;
}

.option-btn:hover {
  border-color: rgba(0, 212, 255, 0.4);
  background: rgba(0, 212, 255, 0.06);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2), 0 0 15px var(--glow-cyan);
  transform: translateX(4px);
}

.option-btn:hover::before { opacity: 1; }

/* === Result === */
.result-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 52px;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  animation: fadeIn 0.5s ease;
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--pink), var(--cyan));
  background-size: 200% 100%;
  animation: borderFlow 3s linear infinite;
}

.result-badge {
  display: inline-block;
  padding: 6px 20px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 45, 149, 0.1));
  border: 1px solid rgba(181, 55, 242, 0.25);
  border-radius: 24px;
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--purple);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.result-type {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: 6px;
  background: linear-gradient(135deg, var(--cyan), var(--purple), var(--pink));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: chromeShift 4s ease-in-out infinite;
  margin-bottom: 6px;
  filter: drop-shadow(0 0 30px var(--glow-purple));
}

.result-name {
  font-size: 1.15rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 22px;
}

.result-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.9;
  margin-bottom: 22px;
}

.result-confidence {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-bottom: 22px;
}

.result-confidence span {
  color: var(--green);
  font-weight: 700;
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.4);
}

.result-traits {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}

.trait-tag {
  padding: 5px 16px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(181, 55, 242, 0.08));
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--cyan);
  transition: all 0.3s;
}

.trait-tag:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--glow-cyan);
}

.result-pattern { margin-bottom: 36px; }

.result-pattern h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.pattern-visual {
  display: flex;
  justify-content: center;
  gap: 4px;
  flex-wrap: wrap;
}

.pattern-cell {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-display);
  transition: all 0.3s;
}

.pattern-cell.level-H {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.25), rgba(181, 55, 242, 0.25));
  color: var(--cyan);
  border: 1px solid rgba(0, 212, 255, 0.3);
  box-shadow: 0 0 8px var(--glow-cyan);
}

.pattern-cell.level-M {
  background: rgba(181, 55, 242, 0.1);
  color: var(--text-muted);
  border: 1px solid rgba(181, 55, 242, 0.15);
}

.pattern-cell.level-L {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.pattern-sep {
  width: 2px;
  height: 30px;
  background: linear-gradient(180deg, var(--cyan), var(--pink));
  opacity: 0.2;
  margin: 0 4px;
  border-radius: 1px;
}

/* === Footer === */
.footer {
  text-align: center;
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.8rem;
  position: relative;
  z-index: 2;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.footer-note {
  margin-top: 8px;
  font-size: 0.7rem;
  color: var(--text-dim);
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyan), var(--purple));
  border-radius: 3px;
}

/* === Selection === */
::selection {
  background: rgba(255, 45, 149, 0.3);
  color: #fff;
}

/* === Responsive === */
@media (max-width: 768px) {
  .hero-section {
    flex-direction: column;
    text-align: center;
    gap: 40px;
    padding-top: 80px;
  }

  .hero-visual { width: 200px; height: 200px; }

  .ring-1 { width: 130px; height: 130px; top: 35px; left: 35px; }
  .ring-2 { width: 170px; height: 170px; top: 15px; left: 15px; }
  .ring-3 { width: 200px; height: 200px; }

  .hero-title { font-size: 3.5rem; letter-spacing: 6px; }

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

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

  .types-grid { grid-template-columns: repeat(2, 1fr); }

  .question-card { padding: 28px; }

  .result-card { padding: 36px; }

  .nav-links { gap: 4px; }
  .nav-links a { font-size: 0.65rem; padding: 5px 10px; letter-spacing: 1px; }

  .section { padding: 80px 16px 40px; }

  .section-title { font-size: 1.4rem; letter-spacing: 2px; }
}

@media (max-width: 400px) {
  .types-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.8rem; letter-spacing: 4px; }
  .nav-links a { font-size: 0.6rem; padding: 4px 6px; }
}