/* 인트로 시네마틱 */

.intro {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 32px;
  overflow: hidden;
}

.intro::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(124, 58, 237, 0.15), transparent 70%),
    radial-gradient(ellipse 40% 30% at 50% 50%, rgba(6, 182, 212, 0.08), transparent 70%);
  pointer-events: none;
}

.intro__inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.intro__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gate-cyan);
  border: 1px solid currentColor;
  padding: 6px 14px;
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeInUp 0.8s 0.2s var(--ease-out) forwards;
}

.intro__line {
  font-size: clamp(18px, 2.5vw, 28px);
  line-height: 1.5;
  margin-bottom: 18px;
  color: var(--fg-secondary);
  min-height: 1.5em;
}

.intro__line--reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s var(--ease-out);
}

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

.intro__title {
  margin: 60px 0 32px;
  position: relative;
  opacity: 0;
  transform: scale(0.95);
  transition: all 1s var(--ease-out);
}

.intro__title.is-visible {
  opacity: 1;
  transform: scale(1);
}

.intro__title-row {
  font-family: var(--font-display);
  font-size: clamp(64px, 12vw, 180px);
  line-height: 0.85;
  letter-spacing: 0.06em;
}

.intro__title-2026 {
  display: block;
  background: linear-gradient(180deg, #FFFFFF, #8A93A8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 60px rgba(124, 58, 237, 0.6);
}

.intro__title-hunters {
  display: block;
  background: var(--gate-energy);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  filter: drop-shadow(0 0 24px rgba(124, 58, 237, 0.5));
}

.intro__title-hunters::before {
  content: 'HUNTERS';
  position: absolute;
  inset: 0;
  background: var(--gate-energy);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: glitchClip 4s steps(8) infinite, glitchShiftX 4s steps(8) infinite;
  opacity: 0.4;
}

.intro__caret {
  display: inline-block;
  width: 0.5ch;
  background: var(--gate-cyan);
  margin-left: 4px;
  animation: caretBlink 0.8s infinite;
}

.intro__cta {
  margin-top: 48px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 1s 0.4s var(--ease-out);
}

.intro__cta.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.intro__skip {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 10;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  border: 1px solid var(--border-subtle);
  padding: 6px 12px;
  border-radius: 4px;
  transition: all 0.2s;
}

.intro__skip:hover {
  color: var(--fg-primary);
  border-color: var(--border-strong);
}

.intro__crack-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(110deg, transparent 0px, transparent 8px, rgba(124, 58, 237, 0.03) 8px, rgba(124, 58, 237, 0.03) 9px);
  opacity: 0;
  animation: introCrackPulse 6s ease-in-out infinite 1s;
}

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

.intro--done {
  pointer-events: none;
  animation: introOut 0.8s var(--ease-out) forwards;
}

@keyframes introOut {
  to { opacity: 0; transform: scale(1.03); }
}

/* ==== 메인 허브 ==== */
.hub {
  position: relative;
  min-height: 100vh;
  padding: 120px 32px 80px;
}

.hub__hero {
  text-align: center;
  margin-bottom: 80px;
}

.hub__hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gate-cyan);
  margin-bottom: 16px;
}

.hub__hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 9vw, 140px);
  letter-spacing: 0.05em;
  line-height: 0.9;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #FFFFFF 30%, #4B5366 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hub__hero-sub {
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--fg-secondary);
  max-width: 720px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hub__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.hub__card {
  position: relative;
  display: block;
  padding: 32px 28px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  transition: all 0.4s var(--ease-out);
  text-decoration: none;
  overflow: hidden;
}

.hub__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-color, var(--gate-violet)), transparent);
  opacity: 0.6;
}

.hub__card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--card-color, transparent) 12%, transparent), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

.hub__card:hover {
  border-color: var(--card-color, var(--border-strong));
  transform: translateY(-4px);
  box-shadow: 0 20px 60px -20px color-mix(in srgb, var(--card-color, #7C3AED) 40%, transparent);
}

.hub__card:hover::after { opacity: 1; }

.hub__card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.hub__card-title {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  color: var(--fg-primary);
}

.hub__card-sub {
  font-size: 14px;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.hub__card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--card-color, var(--gate-cyan));
}

.hub__card-arrow::after {
  content: '→';
  transition: transform 0.3s var(--ease-out);
}

.hub__card:hover .hub__card-arrow::after {
  transform: translateX(6px);
}

/* Floating crystals decoration */
.hub__crystals {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.hub__crystal {
  position: absolute;
  width: 80px; height: 80px;
  background: var(--gate-energy);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  opacity: 0.05;
  filter: blur(0.5px);
  animation: float 6s ease-in-out infinite;
}