/* ============================================
   MFEPA - AI Education Association
   Purple Theme · Compact & Dynamic
   ============================================ */

:root {
  --purple: #7C3AED;
  --purple-dark: #6D28D9;
  --purple-deeper: #5B21B6;
  --purple-light: #A78BFA;
  --purple-lighter: #C4B5FD;
  --purple-subtle: #EDE9FE;
  --purple-glow: rgba(124, 58, 237, 0.5);
  --violet: #8B5CF6;
  --indigo: #6366F1;
  --fuchsia: #D946EF;
  --dark: #0C0A1D;
  --dark-card: #161233;
  --dark-soft: #1E1A3A;
  --dark-border: rgba(139, 92, 246, 0.15);
  --gray-50: #FAFAFF;
  --gray-100: #F4F3FF;
  --gray-200: #E5E4F0;
  --gray-300: #C9C8D8;
  --gray-400: #9896AA;
  --gray-500: #706E82;
  --gray-600: #504E62;
  --gray-700: #3D3B50;
  --white: #FFFFFF;
  --gradient-main: linear-gradient(135deg, #7C3AED 0%, #6366F1 50%, #D946EF 100%);
  --gradient-text: linear-gradient(135deg, #A78BFA, #D946EF, #7C3AED);
  --gradient-dark: linear-gradient(180deg, #0C0A1D 0%, #1a1145 50%, #0C0A1D 100%);
  --shadow-purple: 0 4px 30px rgba(124, 58, 237, 0.25);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 12px 40px rgba(124, 58, 237, 0.15);
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-600);
  line-height: 1.65;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 20px; }

/* --- Particles --- */
.particles-canvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; opacity: 0.4;
}

/* --- Gradient Text --- */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.gradient-text-light {
  background: linear-gradient(135deg, #C4B5FD, #F0ABFC, #FFF);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* --- Navigation --- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent;
  backdrop-filter: blur(0px); -webkit-backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.nav.scrolled {
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06), 0 4px 24px rgba(124, 58, 237, 0.06);
  border-bottom-color: rgba(0,0,0,0.05);
}

.nav-container {
  max-width: 1320px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 60px;
}
.nav-logo { display: flex; align-items: center; gap: 8px; }
.nav-logo img { height: 34px; width: auto; }
.nav-brand { font-size: 1rem; font-weight: 800; color: var(--purple-light); letter-spacing: -0.02em; transition: color var(--transition); }
.nav.scrolled .nav-brand { color: var(--purple-dark); }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links li a {
  padding: 6px 14px; font-size: 0.85rem; font-weight: 500;
  color: rgba(255,255,255,0.7); border-radius: 50px; transition: all var(--transition);
}
.nav-links li a:hover { color: var(--white); background: rgba(124, 58, 237, 0.2); }
.nav.scrolled .nav-links li a { color: var(--gray-700); font-weight: 600; }
.nav.scrolled .nav-links li a:hover { color: var(--purple-dark); background: var(--purple-subtle); }
.nav-cta {
  background: var(--purple) !important; color: var(--white) !important;
  font-weight: 700 !important; padding: 8px 22px !important;
}
.nav.scrolled .nav-cta { background: var(--purple-dark) !important; box-shadow: 0 2px 12px rgba(124, 58, 237, 0.25) !important; }
.nav-cta:hover { background: var(--purple-dark) !important; box-shadow: var(--shadow-purple) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: rgba(255,255,255,0.8); border-radius: 2px; transition: all var(--transition); }
.nav.scrolled .nav-toggle span { background: var(--gray-700); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; font-size: 0.9rem; font-weight: 600;
  border-radius: 50px; border: none; cursor: pointer;
  transition: all var(--transition); font-family: inherit;
  text-align: center; justify-content: center; position: relative; overflow: hidden;
}
.btn-glow { background: var(--gradient-main); color: var(--white); box-shadow: var(--shadow-purple); }
.btn-glow::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, transparent 50%);
  opacity: 0; transition: opacity var(--transition);
}
.btn-glow:hover { transform: translateY(-3px); box-shadow: 0 8px 40px rgba(124, 58, 237, 0.45); }
.btn-glow:hover::before { opacity: 1; }
.btn-glass {
  background: rgba(124, 58, 237, 0.08); color: var(--purple);
  border: 1.5px solid rgba(124, 58, 237, 0.2); backdrop-filter: blur(10px);
}
.btn-glass:hover { background: rgba(124, 58, 237, 0.15); border-color: var(--purple-light); transform: translateY(-2px); }
.btn-full { width: 100%; }

/* === HERO === */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 50%, #1a1145 0%, #0f0b2a 40%, #0C0A1D 70%);
}
.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 1; pointer-events: none;
}
.hero-bg-effects { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); animation: float 10s ease-in-out infinite; }
.hero-orb-1 { width: 700px; height: 700px; background: rgba(124, 58, 237, 0.3); top: -25%; right: -15%; }
.hero-orb-2 { width: 600px; height: 600px; background: rgba(217, 70, 239, 0.18); bottom: -20%; left: -15%; animation-delay: -4s; }
.hero-orb-3 { width: 450px; height: 450px; background: rgba(99, 102, 241, 0.2); top: 40%; left: 45%; animation-delay: -7s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -40px) scale(1.08); }
  66% { transform: translate(-30px, 30px) scale(0.92); }
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(124, 58, 237, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 58, 237, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 65%);
}

/* Animated Rings */
.hero-rings {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  pointer-events: none; z-index: 0;
}
.hero-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(124, 58, 237, 0.1);
  animation: ringExpand 8s ease-in-out infinite;
}
.ring-1 { width: 300px; height: 300px; border-color: rgba(124, 58, 237, 0.18); }
.ring-2 { width: 520px; height: 520px; border-color: rgba(217, 70, 239, 0.12); animation-delay: -2.6s; }
.ring-3 { width: 740px; height: 740px; border-color: rgba(99, 102, 241, 0.08); animation-delay: -5.3s; }
@keyframes ringExpand {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.3; }
}

/* Mouse Glow */
.hero-mouse-glow {
  position: absolute; width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, rgba(217, 70, 239, 0.05) 40%, transparent 70%);
  pointer-events: none; z-index: 1;
  transform: translate(-50%, -50%);
  transition: left 0.3s ease-out, top 0.3s ease-out;
  left: 50%; top: 50%;
}

/* Central Glow */
.hero-center-glow {
  position: absolute; top: 50%; left: 50%;
  width: 600px; height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle,
    rgba(124, 58, 237, 0.2) 0%,
    rgba(217, 70, 239, 0.08) 30%,
    rgba(99, 102, 241, 0.04) 50%,
    transparent 70%
  );
  border-radius: 50%; z-index: 1; pointer-events: none;
  animation: centerGlow 5s ease-in-out infinite;
}
@keyframes centerGlow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 0.7; }
}

/* Hero Center Content */
.hero-center {
  position: relative; z-index: 2;
  text-align: center; max-width: 720px; padding: 0 24px;
}
.hero-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 18px; background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3); border-radius: 50px;
  font-size: 0.75rem; font-weight: 700; color: var(--purple-light);
  margin-bottom: 24px; letter-spacing: 1.5px; text-transform: uppercase;
  animation: shimmer 3s ease-in-out infinite;
}
.hero-chip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--purple-light); animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(167, 139, 250, 0.5); }
  50% { opacity: 0.5; box-shadow: 0 0 0 6px rgba(167, 139, 250, 0); }
}
@keyframes shimmer {
  0%, 100% { border-color: rgba(124, 58, 237, 0.3); }
  50% { border-color: rgba(217, 70, 239, 0.6); box-shadow: 0 0 20px rgba(124, 58, 237, 0.2); }
}
.hero-title { margin-bottom: 20px; }
.hero-title-line {
  display: block; font-size: 3.8rem; font-weight: 900;
  color: var(--white); line-height: 1.15; letter-spacing: -0.03em;
}
.hero-title-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  background-size: 200% auto; animation: textShine 4s ease-in-out infinite;
}
@keyframes textShine {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}
.hero-desc {
  font-size: 1.05rem; color: var(--gray-400); line-height: 1.7;
  margin-bottom: 36px; max-width: 480px; margin-left: auto; margin-right: auto;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; margin-bottom: 48px; }

.btn-glass-hero {
  background: rgba(255, 255, 255, 0.06); color: var(--purple-light);
  border: 1.5px solid rgba(124, 58, 237, 0.3); backdrop-filter: blur(10px);
}
.btn-glass-hero:hover {
  background: rgba(124, 58, 237, 0.15); border-color: var(--purple-light);
  transform: translateY(-2px); box-shadow: 0 0 30px rgba(124, 58, 237, 0.2);
}

/* Hero Inline Stats */
.hero-inline-stats {
  display: flex; align-items: center; justify-content: center; gap: 32px;
  padding: 20px 36px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: 60px; backdrop-filter: blur(16px);
}
.hero-stat { text-align: center; }
.hero-stat strong {
  display: block; font-size: 1.3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--purple-light), var(--fuchsia));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-stat span { font-size: 0.7rem; color: var(--gray-500); font-weight: 500; }
.hero-stat-divider { width: 1px; height: 32px; background: rgba(124, 58, 237, 0.15); }

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 2;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--purple-light), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.6); }
}
.hero-scroll-indicator span {
  font-size: 0.6rem; color: var(--gray-500); letter-spacing: 3px;
  text-transform: uppercase; font-weight: 600;
}

/* Floating AI Brand Badges */
.ai-badge {
  position: absolute; display: flex; align-items: center; gap: 8px;
  padding: 9px 16px; background: rgba(255,255,255,0.04);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 12px;
  font-size: 0.72rem; font-weight: 600; z-index: 2;
  animation: badgeFloat 8s ease-in-out infinite;
  pointer-events: none;
}
.ai-badge svg { flex-shrink: 0; }
.afb-chatgpt {
  top: 20%; left: 8%;
  color: #74AA9C; border-color: rgba(116, 170, 156, 0.15);
  background: rgba(116, 170, 156, 0.06);
}
.afb-gemini {
  top: 28%; right: 7%;
  color: #8AB4F8; border-color: rgba(138, 180, 248, 0.15);
  background: rgba(138, 180, 248, 0.06);
  animation-delay: -2.8s;
}
.afb-grok {
  bottom: 24%; right: 10%;
  color: rgba(255,255,255,0.5); border-color: rgba(255,255,255,0.08);
  animation-delay: -5.5s;
}
@keyframes badgeFloat {
  0%, 100% { transform: translateY(0px); }
  30% { transform: translateY(-14px); }
  70% { transform: translateY(8px); }
}

/* Geometric Accents */
.geo-accent {
  position: absolute; z-index: 1; pointer-events: none;
  animation: geoFloat 10s ease-in-out infinite;
}
.geo-1 {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--purple-light); opacity: 0.35;
  top: 16%; left: 22%; animation-delay: -1s;
}
.geo-2 {
  width: 16px; height: 16px; border-radius: 50%;
  border: 1px solid rgba(167, 139, 250, 0.2);
  top: 68%; left: 10%; animation-delay: -4s;
}
.geo-3 {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--fuchsia); opacity: 0.3;
  top: 22%; right: 18%; animation-delay: -6s;
}
.geo-4 {
  width: 20px; height: 20px;
  border: 1px solid rgba(99, 102, 241, 0.12);
  transform: rotate(45deg); opacity: 0.4;
  bottom: 30%; left: 6%; animation-delay: -3s;
}
@keyframes geoFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
  50% { transform: translateY(-20px) rotate(180deg); opacity: 0.6; }
}
.geo-4 { animation-name: geoFloatRot; }
@keyframes geoFloatRot {
  0%, 100% { transform: translateY(0) rotate(45deg); opacity: 0.3; }
  50% { transform: translateY(-16px) rotate(225deg); opacity: 0.5; }
}

/* === SECTIONS === */
.section { position: relative; padding: 70px 0; z-index: 1; }
.section-gradient { background: var(--gradient-dark); }
.section-stats { background: var(--gradient-dark); overflow: hidden; }
.stats-bg-pattern {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(217, 70, 239, 0.12) 0%, transparent 50%);
}
.section-header { text-align: center; margin-bottom: 40px; }
.section-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; background: var(--purple-subtle); color: var(--purple);
  border-radius: 50px; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px;
}
.section-chip-light { background: rgba(124, 58, 237, 0.15); color: var(--purple-light); }
.section-title {
  font-size: 2.2rem; font-weight: 900; color: var(--dark);
  margin-bottom: 10px; letter-spacing: -0.03em; line-height: 1.25;
}
.section-header-light .section-title { color: var(--white); }
.section-header-light .section-subtitle { color: var(--gray-400); }
.section-subtitle { font-size: 0.92rem; color: var(--gray-500); max-width: 520px; margin: 0 auto; line-height: 1.6; }

/* === BENTO GRID (About) === */
.bento-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 16px; }
.bento-card {
  position: relative; padding: 28px 24px;
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); overflow: hidden; transition: all var(--transition);
}
.bento-card:hover {
  border-color: var(--purple-lighter); box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.bento-large { grid-row: span 1; }
.bento-glow {
  position: absolute; top: -50%; right: -50%; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
  pointer-events: none; transition: all 0.6s ease;
}
.bento-card:hover .bento-glow { top: -30%; right: -30%; width: 300px; height: 300px; }
.bento-card-img {
  width: 100%; border-radius: 12px; overflow: hidden; margin-bottom: 16px;
  height: 200px;
}
.bento-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.bento-card:hover .bento-card-img img { transform: scale(1.05); }
.bento-card h3 { font-size: 1.1rem; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.bento-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; }

/* === PROGRAMS === */
.programs-showcase { display: flex; flex-direction: column; gap: 16px; }
.program-card-v2 {
  position: relative; display: grid; grid-template-columns: auto 260px 1fr;
  align-items: center; gap: 28px; padding: 24px 28px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: var(--radius-xl); overflow: hidden;
  transition: all var(--transition); backdrop-filter: blur(10px);
}
.program-card-v2:hover {
  background: rgba(255,255,255,0.08); border-color: rgba(124, 58, 237, 0.35);
  transform: translateX(6px); box-shadow: -6px 0 40px rgba(124, 58, 237, 0.2);
}
.program-card-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at right, rgba(124, 58, 237, 0.06), transparent 60%);
  pointer-events: none;
}
.program-number { font-size: 3.5rem; font-weight: 900; color: rgba(124, 58, 237, 0.15); line-height: 1; min-width: 64px; }
.program-img { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16/11; }
.program-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.program-card-v2:hover .program-img img { transform: scale(1.05); }
.program-body { position: relative; }
.program-level {
  display: inline-block; padding: 3px 12px; background: var(--gradient-main);
  color: var(--white); border-radius: 50px; font-size: 0.68rem; font-weight: 700; margin-bottom: 8px;
}
.program-body h3 { font-size: 1.15rem; font-weight: 800; color: var(--white); margin-bottom: 6px; }
.program-body > p { font-size: 0.82rem; color: var(--gray-400); margin-bottom: 12px; line-height: 1.5; }
.program-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.program-tags li {
  padding: 4px 12px; background: rgba(124, 58, 237, 0.12);
  color: var(--purple-light); border-radius: 50px; font-size: 0.7rem; font-weight: 600;
}
.program-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--purple-light); font-weight: 600; font-size: 0.82rem; transition: all var(--transition);
}
.program-link:hover { color: var(--fuchsia); gap: 10px; }

/* === INSTRUCTORS === */
.instructor-hero {
  display: flex; align-items: center; gap: 32px; padding: 28px 36px;
  background: linear-gradient(135deg, var(--purple-subtle), rgba(237, 233, 254, 0.5));
  border: 2px solid var(--purple-lighter); border-radius: var(--radius-xl); margin-bottom: 24px;
}
.instructor-hero-image { position: relative; width: 120px; height: 120px; flex-shrink: 0; }
.instructor-hero-image img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
  border: 3px solid var(--white); box-shadow: var(--shadow-purple);
}
.instructor-hero-ring {
  position: absolute; inset: -6px; border: 2px solid var(--purple-light);
  border-radius: 50%; animation: ringPulse 3s ease-in-out infinite;
}
@keyframes ringPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.06); }
}
.instructor-hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 14px; background: var(--gradient-main); color: var(--white);
  border-radius: 50px; font-size: 0.72rem; font-weight: 700; margin-bottom: 8px;
}
.instructor-hero-info h3 { font-size: 1.5rem; font-weight: 900; color: var(--dark); margin-bottom: 10px; }
.instructor-hero-career {
  list-style: none; padding: 0; margin: 0 0 12px 0;
  display: flex; flex-wrap: wrap; gap: 4px 16px;
}
.instructor-hero-career li {
  font-size: 0.82rem; color: var(--gray-600); font-weight: 500;
  position: relative; padding-left: 14px;
}
.instructor-hero-career li::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 5px; height: 5px; border-radius: 50%; background: var(--purple);
}
.instructor-hero-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.instructor-hero-tags span {
  padding: 4px 14px; background: var(--white); border: 1px solid var(--purple-lighter);
  border-radius: 50px; font-size: 0.78rem; font-weight: 500; color: var(--purple-dark);
}
.instructor-hero-lectures {
  padding: 12px 16px; background: rgba(255,255,255,0.7); border-radius: 12px;
  border: 1px solid var(--purple-lighter);
}
.instructor-hero-lectures h4 {
  font-size: 0.82rem; font-weight: 700; color: var(--purple-dark); margin-bottom: 6px;
  display: flex; align-items: center; gap: 6px;
}
.instructor-hero-lectures h4 i { color: var(--purple); font-size: 0.85rem; }
.instructor-hero-lectures ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.instructor-hero-lectures ul li {
  font-size: 0.78rem; color: var(--gray-600); font-weight: 500;
  position: relative; padding-left: 12px;
}
.instructor-hero-lectures ul li::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 4px; height: 4px; border-radius: 50%; background: var(--fuchsia);
}

.instructors-grid-v2 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.instructor-card-v2 {
  text-align: center; padding: 18px 8px; background: var(--gray-50);
  border-radius: var(--radius-lg); border: 1px solid transparent; transition: all var(--transition);
}
.instructor-card-v2:hover {
  background: var(--white); border-color: var(--purple-lighter);
  box-shadow: var(--shadow-card-hover); transform: translateY(-5px);
}
.instructor-card-v2 img {
  width: 72px; height: 72px; object-fit: cover; border-radius: 50%;
  margin: 0 auto 10px; border: 3px solid var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08); transition: all var(--transition);
}
.instructor-card-v2:hover img { border-color: var(--purple-lighter); box-shadow: var(--shadow-purple); }
.instructor-card-info h4 { font-size: 0.88rem; font-weight: 700; color: var(--dark); margin-bottom: 2px; }
.instructor-card-info span { font-size: 0.68rem; color: var(--gray-500); }

/* === STATS === */
.stats-dashboard { position: relative; z-index: 1; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 16px; }
.stat-glass {
  padding: 24px 16px; background: rgba(255,255,255,0.04);
  border: 1px solid rgba(124, 58, 237, 0.15); border-radius: var(--radius-lg);
  text-align: center; backdrop-filter: blur(16px); transition: all var(--transition);
}
.stat-glass:hover {
  background: rgba(124, 58, 237, 0.1); border-color: rgba(124, 58, 237, 0.35);
  transform: translateY(-4px); box-shadow: var(--shadow-glow);
}
.stat-icon-bg {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-main); border-radius: 12px; font-size: 1rem;
  color: var(--white); margin: 0 auto 12px; box-shadow: 0 4px 16px rgba(124, 58, 237, 0.35);
}
.stat-value {
  font-size: 2.4rem; font-weight: 900;
  background: linear-gradient(135deg, var(--purple-light), var(--fuchsia));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 4px;
}
.stat-value span { font-size: 1.1rem; }
.stat-name { font-size: 0.8rem; color: var(--gray-400); font-weight: 500; margin-bottom: 12px; }
.stat-bar { height: 3px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.stat-bar-fill { height: 100%; background: var(--gradient-main); border-radius: 3px; transition: width 1.5s ease; }
.partners-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.partner-glass {
  padding: 20px 16px; text-align: center;
  background: rgba(217, 70, 239, 0.06); border: 1px solid rgba(217, 70, 239, 0.12);
  border-radius: var(--radius-lg); transition: all var(--transition);
}
.partner-glass:hover { background: rgba(217, 70, 239, 0.12); transform: translateY(-3px); }
.partner-num { font-size: 1.7rem; font-weight: 900; color: var(--white); margin-bottom: 2px; }
.partner-num span { color: var(--fuchsia); }
.partner-name { font-size: 0.78rem; color: var(--gray-400); font-weight: 500; }

/* === PARTNERS === */
.section-partners { background: linear-gradient(180deg, var(--gray-50), var(--white)); }
.partner-categories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 36px; }
.partner-category-card {
  padding: 28px 24px; text-align: center;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl); transition: all var(--transition);
  position: relative; overflow: hidden;
}
.partner-category-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-main); opacity: 0; transition: opacity var(--transition);
}
.partner-category-card:hover {
  border-color: var(--purple-lighter); box-shadow: var(--shadow-card-hover);
  transform: translateY(-5px);
}
.partner-category-card:hover::before { opacity: 1; }
.partner-category-icon {
  width: 52px; height: 52px; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-main); color: var(--white); border-radius: 14px;
  font-size: 1.2rem; margin: 0 auto 14px;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}
.partner-category-num {
  font-size: 2.2rem; font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 6px;
}
.partner-category-num span { font-size: 1.2rem; }
.partner-category-card h4 { font-size: 0.95rem; font-weight: 800; color: var(--dark); margin-bottom: 4px; }
.partner-category-card p { font-size: 0.78rem; color: var(--gray-500); }

.partner-marquee-wrapper {
  padding: 32px 0; background: var(--white);
  border: 1px solid var(--gray-200); border-radius: var(--radius-xl);
  overflow: hidden; position: relative;
}
.partner-marquee-wrapper::before,
.partner-marquee-wrapper::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none;
}
.partner-marquee-wrapper::before { left: 0; background: linear-gradient(to right, var(--white), transparent); }
.partner-marquee-wrapper::after { right: 0; background: linear-gradient(to left, var(--white), transparent); }
.partner-count {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 4px 14px; background: var(--gradient-main); color: var(--white);
  border-radius: 50px; font-size: 0.85rem; font-weight: 700;
  vertical-align: middle; margin-left: 4px;
  -webkit-text-fill-color: var(--white);
}
.partner-marquee-wrapper .section-header { position: relative; z-index: 3; }
.partner-marquee { overflow: hidden; padding: 4px 0; }
.partner-marquee-track {
  display: flex; gap: 10px; width: max-content;
  animation: marqueeScroll 40s linear infinite;
}
.partner-marquee-reverse .partner-marquee-track {
  animation: marqueeScrollReverse 35s linear infinite;
}
.partner-marquee-slow .partner-marquee-track {
  animation: marqueeScroll 50s linear infinite;
}
.partner-marquee:hover .partner-marquee-track {
  animation-play-state: paused;
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes marqueeScrollReverse {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}
.partner-tag {
  padding: 7px 18px; background: var(--gray-100);
  border: 1px solid var(--gray-200); border-radius: 50px;
  font-size: 0.78rem; font-weight: 500; color: var(--gray-600);
  transition: all 0.25s ease; cursor: default; white-space: nowrap; flex-shrink: 0;
}
.partner-tag:hover {
  background: var(--purple-subtle); border-color: var(--purple-lighter);
  color: var(--purple-dark); transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.15);
}

/* === TESTIMONIALS === */
.testimonials-masonry { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.testimonial-glass {
  padding: 28px; background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); transition: all var(--transition);
  position: relative; overflow: hidden;
}
.testimonial-glass::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-main); opacity: 0; transition: opacity var(--transition);
}
.testimonial-glass:hover { border-color: var(--purple-lighter); box-shadow: var(--shadow-card-hover); transform: translateY(-5px); }
.testimonial-glass:hover::before { opacity: 1; }
.testimonial-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.testimonial-stars { display: flex; gap: 2px; }
.testimonial-stars i { color: #FBBF24; font-size: 0.8rem; }
.testimonial-quote-icon { font-size: 1.2rem; color: var(--purple-lighter); }
.testimonial-glass blockquote { font-size: 0.9rem; color: var(--gray-600); line-height: 1.7; margin-bottom: 18px; font-style: normal; }
.testimonial-author { display: flex; align-items: center; gap: 10px; }
.testimonial-avatar {
  width: 38px; height: 38px; border-radius: 50%; background: var(--gradient-main);
  color: var(--white); display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.88rem;
}
.testimonial-author strong { display: block; font-size: 0.85rem; color: var(--dark); margin-bottom: 1px; }
.testimonial-author span { font-size: 0.72rem; color: var(--gray-500); }
.testimonial-cta { text-align: center; margin-top: 40px; }

/* === CONTACT (Compact) === */
.section-contact { background: linear-gradient(180deg, var(--white), var(--purple-subtle)); }
.contact-compact { text-align: center; max-width: 800px; margin: 0 auto; }
.contact-row {
  display: flex; justify-content: center; gap: 16px; margin-bottom: 28px; flex-wrap: wrap;
}
.contact-pill {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; background: var(--white);
  border: 1px solid var(--gray-200); border-radius: var(--radius);
  transition: all var(--transition); text-align: left;
}
.contact-pill:hover { border-color: var(--purple-lighter); box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.contact-pill-icon {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  background: var(--gradient-main); color: var(--white); border-radius: 10px;
  font-size: 0.85rem; flex-shrink: 0;
}
.contact-pill span { display: block; font-size: 0.65rem; color: var(--gray-400); font-weight: 500; }
.contact-pill strong { display: block; font-size: 0.82rem; color: var(--dark); font-weight: 600; }
.btn-kakao-main {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 40px; background: #FEE500; color: #3C1E1E;
  font-size: 0.95rem; font-weight: 700; border-radius: 50px;
  border: none; cursor: pointer; font-family: inherit;
  box-shadow: 0 4px 20px rgba(254, 229, 0, 0.3);
  transition: all var(--transition); margin-bottom: 24px;
}
.btn-kakao-main:hover { background: #F5DC00; transform: translateY(-3px); box-shadow: 0 8px 30px rgba(254, 229, 0, 0.5); }
.btn-kakao-main i { font-size: 1rem; }
.contact-socials-row { display: flex; justify-content: center; gap: 10px; }
.contact-socials-row a {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  background: var(--white); color: var(--gray-500); border: 1px solid var(--gray-200);
  border-radius: 50%; font-size: 0.95rem; transition: all var(--transition);
}
.contact-socials-row a:hover {
  background: var(--gradient-main); color: var(--white);
  border-color: transparent; transform: translateY(-3px); box-shadow: var(--shadow-purple);
}

/* === FOOTER === */
.footer { background: var(--dark); color: var(--gray-400); padding-top: 48px; }
.footer-top {
  display: grid; grid-template-columns: 1fr 2fr; gap: 40px;
  padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-logo-link { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.footer-logo { height: 28px; width: auto; }
.footer-logo-link span { font-size: 0.95rem; font-weight: 800; color: var(--purple-light); }
.footer-tagline { font-size: 0.82rem; color: var(--gray-500); line-height: 1.6; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 { font-size: 0.78rem; font-weight: 700; color: var(--gray-300); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 1px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col li, .footer-col a { font-size: 0.82rem; color: var(--gray-500); }
.footer-col a:hover { color: var(--purple-light); }
.footer-bottom { padding: 18px 0; text-align: center; font-size: 0.75rem; color: var(--gray-600); }

/* === BACK TO TOP === */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px;
  background: var(--gradient-main); color: var(--white); border: none;
  border-radius: 50%; cursor: pointer; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-purple); opacity: 0; visibility: hidden;
  transform: translateY(10px); transition: all var(--transition); z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5); }

/* === ANIMATIONS === */
.animate-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate-in.visible { opacity: 1; transform: translateY(0); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero-title-line { font-size: 2.8rem; }
  .hero-inline-stats { gap: 20px; padding: 16px 28px; }
  .hero-stat strong { font-size: 1.1rem; }
  .hero-ring.ring-3 { display: none; }
  .bento-grid { grid-template-columns: 1fr; }
  .program-card-v2 { grid-template-columns: 1fr; gap: 16px; text-align: center; }
  .program-number { display: none; }
  .program-img { max-width: 360px; margin: 0 auto; }
  .instructor-hero { flex-direction: column; text-align: center; padding: 24px; }
  .instructors-grid-v2 { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .stats-row, .partners-row { grid-template-columns: repeat(2, 1fr); }
  .testimonials-masonry { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .ai-badge { font-size: 0.65rem; padding: 7px 12px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .partner-categories { grid-template-columns: repeat(3, 1fr); gap: 12px; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: var(--white); flex-direction: column; padding: 12px 20px;
    border-top: 1px solid var(--gray-200); box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  }
  .nav-links.active { display: flex; }
  .nav-toggle { display: flex; }
  .hero { min-height: 100vh; }
  .hero-title-line { font-size: 2.2rem; }
  .hero-desc br { display: none; }
  .hero-inline-stats { flex-wrap: wrap; gap: 16px; border-radius: 20px; padding: 16px 20px; }
  .hero-stat-divider { display: none; }
  .hero-ring { display: none; }
  .section { padding: 50px 0; }
  .section-title { font-size: 1.8rem; }
  .section-subtitle br { display: none; }
  .instructors-grid-v2 { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .instructor-card-v2 { padding: 12px 6px; }
  .instructor-card-v2 img { width: 56px; height: 56px; }
  .ai-badge { display: none; }
  .geo-accent { display: none; }
  .contact-row { flex-direction: column; align-items: center; }
  .contact-pill { width: 100%; max-width: 340px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 20px; }
  .partner-categories { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto 36px; }
  .partner-marquee-wrapper { padding: 20px 0; }
  .partner-marquee-wrapper::before, .partner-marquee-wrapper::after { width: 40px; }
  .partner-tag { font-size: 0.72rem; padding: 5px 12px; }
}

@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .hero-title-line { font-size: 1.7rem; }
  .hero-desc { font-size: 0.9rem; margin-bottom: 28px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-inline-stats { gap: 12px; padding: 14px 16px; }
  .hero-stat strong { font-size: 0.95rem; }
  .hero-stat span { font-size: 0.62rem; }
  .hero-scroll-indicator { bottom: 16px; }
  .section-title { font-size: 1.5rem; }
  .section { padding: 40px 0; }
  .instructors-grid-v2 { grid-template-columns: repeat(2, 1fr); }
  .stats-row, .partners-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-glass { padding: 18px 10px; }
  .stat-value { font-size: 1.8rem; }
  .footer-links { grid-template-columns: 1fr; }
}