/* ===== RESET & BASE ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1A2151;--primary-light:#2D3A7B;--accent:#3B6DF5;
  --accent-glow:rgba(59,109,245,0.4);--dark:#0A0E1A;--gray-50:#F5F6FA;
  --gray-100:#E4E8F1;--gray-200:#C8CEDF;--gray-400:#8E95A9;
  --gray-600:#5A607A;--gray-800:#2A2F45;--white:#fff;--radius:16px;
  --shadow:0 8px 32px rgba(10,14,26,0.12);--transition:0.4s cubic-bezier(0.25,0.1,0.25,1);
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,'Helvetica Neue','Segoe UI',sans-serif;color:var(--gray-800);line-height:1.7;overflow-x:hidden;background:var(--white)}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1440px;margin:0 auto;padding:0 40px}
.section{padding:100px 0}
.section-alt{background:var(--gray-50)}
.section-dark{background:var(--dark);color:var(--white)}
.section-label{font-size:14px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.section-title{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.3;margin-bottom:16px;letter-spacing:-0.02em}
.section-desc{font-size:18px;color:var(--gray-600);max-width:640px;margin-bottom:40px;line-height:1.8}

/* ===== NOISE TEXTURE OVERLAY ===== */
.section-dark::after,
.cta-section::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-repeat:repeat;
  background-size:256px 256px;
  pointer-events:none;
  z-index:3;
  mix-blend-mode:overlay;
}
.section-dark{position:relative}
.cta-section{position:relative}

/* ===== SCROLL REVEAL (Z-axis Dolly-in) ===== */
.reveal-up{
  opacity:0;
  transform:perspective(1200px) translateZ(-80px) translateY(30px);
  transition:opacity 0.8s cubic-bezier(0.25,0.1,0.25,1),transform 0.8s cubic-bezier(0.25,0.1,0.25,1);
}
.reveal-up.visible{
  opacity:1;
  transform:perspective(1200px) translateZ(0) translateY(0);
}

/* ===== GLASSMORPHISM CARDS ===== */
.glass-card{
  background:rgba(255,255,255,0.72);
  backdrop-filter:blur(24px) saturate(180%);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(255,255,255,0.6);
  border-radius:var(--radius);
  box-shadow:
    var(--shadow),
    inset 0 1px 2px rgba(255,255,255,0.8);
  position:relative;
  overflow:hidden;
}
.glass-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.9) 50%,transparent);
  z-index:1;
}

.glass-card-dark{
  background:rgba(255,255,255,0.04);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--radius);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.3),
    inset 0 1px 1px rgba(255,255,255,0.1);
  position:relative;
  overflow:hidden;
}
.glass-card-dark::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15) 50%,transparent);
  z-index:1;
}

/* ===== 3D TILT CARDS ===== */
.tilt-card{
  transform-style:preserve-3d;
  transition:transform 0.4s cubic-bezier(0.25,0.1,0.25,1),box-shadow 0.4s ease;
}
.tilt-card:hover{
  box-shadow:
    0 20px 60px rgba(10,14,26,0.18),
    inset 0 1px 2px rgba(255,255,255,0.8);
}
.tilt-float{
  transition:transform 0.4s cubic-bezier(0.25,0.1,0.25,1);
}
.tilt-card:hover .tilt-float{
  transform:translateZ(40px) scale(1.1);
}

/* ===== BUTTONS (Puffy UI) ===== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:15px 34px;border-radius:14px;font-size:16px;font-weight:600;
  transition:all 0.3s cubic-bezier(0.25,0.1,0.25,1);
  cursor:pointer;border:none;position:relative;
  box-shadow:0 4px 16px rgba(0,0,0,0.1),0 1px 3px rgba(0,0,0,0.08);
}
.btn:active{
  transform:scale(0.92);
  box-shadow:0 2px 8px rgba(0,0,0,0.1);
  transition:transform 0.1s,box-shadow 0.1s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#5B85F7);
  color:var(--white);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#2a5ce0,#4B75E7);
  transform:translateY(-2px);
  box-shadow:0 8px 24px var(--accent-glow);
}
.btn-primary:active{transform:scale(0.92)}
.btn-outline{
  background:rgba(255,255,255,0.08);
  color:var(--white);
  border:1.5px solid rgba(255,255,255,0.25);
  backdrop-filter:blur(12px);
}
.btn-outline:hover{
  border-color:var(--accent);color:var(--accent);
  background:rgba(59,109,245,0.08);
  transform:translateY(-2px);
}
.btn-outline:active{transform:scale(0.92)}
.btn-kakao{
  background:linear-gradient(135deg,#FEE500,#FFD700);
  color:#3C1E1E;
}
.btn-kakao:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(254,229,0,0.3)}
.btn-kakao:active{transform:scale(0.92)}

/* ===== MAGNETIC BUTTON ===== */
.btn-magnetic{
  transition:transform 0.25s cubic-bezier(0.25,0.1,0.25,1),box-shadow 0.3s ease;
  will-change:transform;
}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:18px 0;transition:var(--transition)}
.nav.scrolled{background:rgba(255,255,255,0.85);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);box-shadow:0 1px 0 rgba(0,0,0,0.06);padding:12px 0}
.nav-inner{max-width:1440px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:800;color:var(--white)}
.nav.scrolled .nav-logo{color:var(--primary)}
.nav-logo-img{height:36px;width:auto;filter:brightness(0) invert(1);transition:var(--transition)}
.nav.scrolled .nav-logo-img{filter:none}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:14px;font-weight:500;color:rgba(255,255,255,0.8);transition:var(--transition);letter-spacing:-0.01em}
.nav.scrolled .nav-links a{color:var(--gray-600)}
.nav-links a:hover{color:var(--accent)}
.nav-cta{background:var(--accent)!important;color:var(--white)!important;padding:9px 22px;border-radius:10px;font-weight:600!important}
.nav-cta:hover{background:#2a5ce0!important}
/* ===== MOBILE TAB BAR ===== */
.mob-tab-bar{display:none;position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(255,255,255,0.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 8px rgba(0,0,0,0.08);overflow-x:auto;overflow-y:hidden;white-space:nowrap;-webkit-overflow-scrolling:touch;padding:0 16px;transform:translateY(-100%);transition:transform 0.3s ease;scrollbar-width:none}
.mob-tab-bar::-webkit-scrollbar{display:none}
.mob-tab-bar.visible{transform:translateY(0)}
.mob-tab-bar a{display:inline-block;padding:14px 14px;font-size:13px;font-weight:600;color:var(--gray-400);transition:color 0.2s;flex-shrink:0}
.mob-tab-bar a.active{color:var(--accent)}
.mob-tab-cta{color:var(--accent)!important;font-weight:700!important}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:var(--dark)}
.hero-video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0;transform:scale(1.1);will-change:transform;object-position:center center;transition:object-position 0.8s ease}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.55);z-index:1;will-change:opacity}
.hero-content{position:relative;z-index:2;max-width:1200px;padding:0 24px;will-change:transform,opacity;text-align:left}
@keyframes gold-pulse{0%,100%{filter:drop-shadow(0 2px 0 #8B6914) drop-shadow(0 4px 6px rgba(0,0,0,0.5)) drop-shadow(0 0 0 rgba(191,149,63,0))}50%{filter:drop-shadow(0 2px 0 #8B6914) drop-shadow(0 4px 6px rgba(0,0,0,0.5)) drop-shadow(0 0 20px rgba(252,246,186,0.6))}}
.hero-year{font-size:clamp(48px,7vw,88px);font-weight:900;margin-bottom:0;letter-spacing:-0.02em;color:#fff;display:inline-block;line-height:1.1;text-shadow:0 0 20px rgba(59,109,245,0.8),0 0 40px rgba(59,109,245,0.4),0 4px 8px rgba(0,0,0,0.5);-webkit-text-stroke:1px rgba(59,109,245,0.6)}
.hero-badge{display:inline-block;background:rgba(59,109,245,0.12);color:var(--accent);padding:8px 22px;border-radius:40px;font-size:14px;font-weight:600;margin-bottom:28px;border:1px solid rgba(59,109,245,0.25);backdrop-filter:blur(12px)}
.hero h1{font-size:clamp(40px,8vw,100px);font-weight:900;line-height:1.1;margin-bottom:28px;letter-spacing:-0.03em;word-break:keep-all;color:#fff}
.hero h1 em{font-style:normal}
.hero-desc{font-size:18px;color:rgba(255,255,255,0.7);line-height:1.8;margin-bottom:40px}
.hero-actions{display:flex;gap:16px;justify-content:flex-start;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,0.35);font-size:11px;letter-spacing:3px;text-align:center;z-index:2;will-change:opacity}
.scroll-line{width:1px;height:40px;background:rgba(255,255,255,0.15);margin:8px auto 0}

/* ===== ABOUT / RESEARCH ===== */
.section-alt{background:var(--gray-50,#f8f9fa)}

/* S2 Header */
.s2-header{margin-bottom:48px}
.s2-label{display:inline-block;font-size:13px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.s2-sub{font-size:20px;color:var(--gray-600);line-height:1.8;margin-top:8px}
.s2-highlight{color:var(--accent);font-weight:800}

/* Research Cards — 3-column grid */
.research-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-bottom:48px}
.research-card{
  background:var(--white);
  border-radius:20px;
  padding:36px 32px 32px;
  box-shadow:0 2px 16px rgba(0,0,0,0.06);
  transition:transform 0.35s cubic-bezier(0.25,0.1,0.25,1),box-shadow 0.35s ease;
  position:relative;
  overflow:hidden;
}
.research-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:4px;
  background:linear-gradient(90deg,var(--accent),#6B8DF7);
}
.research-card:hover{
  transform:translateY(-6px);
  box-shadow:0 12px 36px rgba(0,0,0,0.1);
}

/* Card — university row */
.research-card-uni{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.research-card-uni-logo{width:32px;height:32px;object-fit:contain;flex-shrink:0}
.research-card-uni-name{font-size:13px;font-weight:600;color:var(--gray-600);flex:1}
.research-card-year{font-size:14px;font-weight:700;color:var(--accent);background:rgba(59,109,245,0.08);padding:3px 10px;border-radius:20px;white-space:nowrap}

/* Card — content */
.research-card-headline{font-size:20px;font-weight:800;color:var(--primary);line-height:1.4;margin-bottom:14px}
.research-card-desc{font-size:15px;color:var(--gray-600);line-height:1.7;margin-bottom:20px}
.research-card-source{font-size:14px;color:var(--gray-400);line-height:1.6}
.research-card-source a{color:var(--accent);font-weight:600;transition:color 0.2s}
.research-card-source a:hover{color:#2a5ce0}

/* Support / related research */
.research-support{margin-bottom:32px}
.research-support-title{font-size:14px;font-weight:700;color:var(--gray-400);letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;padding-left:4px}
.support-list{display:flex;flex-direction:column;gap:8px}
.support-item{
  display:flex;
  align-items:center;
  gap:16px;
  padding:14px 20px;
  background:var(--white);
  border-radius:12px;
  border:1px solid var(--gray-100);
  transition:background 0.25s,border-color 0.25s,transform 0.25s;
}
.support-item:hover{
  background:rgba(59,109,245,0.04);
  border-color:rgba(59,109,245,0.15);
  transform:translateX(4px);
}
.support-uni{font-size:14px;font-weight:700;color:var(--primary);min-width:140px;flex-shrink:0}
.support-desc{font-size:14px;color:var(--gray-600);flex:1;line-height:1.5}
.support-year{font-size:14px;font-weight:600;color:var(--gray-400);min-width:40px;text-align:right;flex-shrink:0}
.support-link{font-size:14px;font-weight:600;color:var(--accent);white-space:nowrap;flex-shrink:0}

/* Hook */
.about-hook{text-align:center;font-size:18px;color:#444;margin-top:36px;line-height:1.8}
.about-hook strong{color:var(--primary)}

/* ===== RESEARCH AUTO-SLIDE ===== */
.slider-wrap{position:relative;width:100%;overflow:hidden;padding:8px 0 16px;cursor:grab}
.slider-wrap.grabbing{cursor:grabbing}
.slider-track{display:flex;gap:24px;width:max-content;animation:slideScroll 45s linear infinite}
.slider-wrap:hover .slider-track,.slider-wrap.dragging .slider-track{animation-play-state:paused}
@keyframes slideScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.rs-card{
  flex:0 0 380px;background:var(--white);border-radius:20px;
  padding:32px 28px 28px;position:relative;overflow:hidden;
  box-shadow:0 2px 16px rgba(0,0,0,0.06);
  transition:transform 0.35s ease,box-shadow 0.35s ease;cursor:default;
  user-select:none;
}
.rs-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent),#6B8DF7)}
.rs-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,0,0,0.10)}
.rs-uni{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.rs-uni-logo{display:none}
.rs-paper-badge{display:flex;align-items:center;gap:4px;order:2}
.rs-paper-badge svg{width:28px;height:28px;color:var(--accent)}
.rs-paper-badge-text{font-size:14px;font-weight:700;color:var(--gray-400)}
.rs-uni-name{font-size:19px;font-weight:800;color:var(--primary);letter-spacing:-0.2px;order:1}
.rs-year{font-size:14px;font-weight:700;color:var(--accent);background:rgba(59,109,245,0.08);padding:3px 10px;border-radius:20px;white-space:nowrap}
.rs-headline{font-size:17px;font-weight:800;color:var(--primary);line-height:1.4;margin-bottom:8px}
.rs-desc{font-size:16px;color:var(--gray-600);line-height:1.7;margin-bottom:14px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.rs-source{font-size:14px;color:var(--gray-400);line-height:1.6}
.rs-source a{color:var(--accent);font-weight:600;transition:color 0.2s}
.rs-source a:hover{color:#2a5ce0}


/* ===== NUMBERS ===== */
.numbers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.number-card{text-align:center;padding:44px 24px;transition:var(--transition)}
.number-card:hover{transform:translateY(-4px)}
.number-value{font-size:clamp(36px,5vw,56px);font-weight:900;color:var(--accent);line-height:1;margin-bottom:14px}
.number-label{font-size:18px;font-weight:700;color:var(--white);margin-bottom:6px}
.number-desc{font-size:15px;color:rgba(255,255,255,0.6)}
.number-value.glow{}

/* ===== MANAGEMENT SYSTEM (CARD GRID) ===== */
.system-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.system-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,0.06);transition:transform 0.3s ease,box-shadow 0.3s ease}
.system-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,0.12)}
.system-card-img{width:100%;height:220px;overflow:hidden;background:var(--gray-100);position:relative}
.system-card-img img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.08);transition:transform 0.4s ease}
.system-card:hover .system-card-img img{transform:scale(1.13)}
.system-card-num{position:absolute;top:12px;left:14px;z-index:2;font-size:32px;font-weight:900;color:#fff;line-height:1;text-shadow:0 2px 8px rgba(0,0,0,0.4)}
.system-card-body{padding:24px 24px 28px}
.system-card-body h3{font-size:18px;font-weight:800;color:var(--primary);margin-bottom:10px}
.system-card-body p{font-size:14px;color:var(--gray-600);line-height:1.7;margin-bottom:14px}
.system-card-body ul{display:flex;flex-direction:column;gap:6px}
.system-card-body li{font-size:13px;color:var(--gray-400);padding-left:14px;position:relative}
.system-card-body li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
@media(max-width:1024px){.system-cards-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(max-width:768px){.system-cards-grid{grid-template-columns:repeat(2,1fr);gap:16px}.system-card-body{padding:18px 16px 22px}}
@media(max-width:480px){.system-cards-grid{grid-template-columns:1fr;max-width:400px;margin-left:auto;margin-right:auto}}

/* ===== COMPARE ===== */
.compare-table{margin-top:40px;overflow-x:auto}
.compare-table table{width:100%;border-collapse:collapse;background:rgba(255,255,255,0.03);border-radius:var(--radius);overflow:hidden}
.compare-table th,.compare-table td{padding:18px 24px;text-align:left;font-size:16px;border-bottom:1px solid rgba(255,255,255,0.06)}
.compare-table thead th{background:rgba(255,255,255,0.06);font-weight:700;font-size:16px;color:var(--white)}
.compare-table td{color:rgba(255,255,255,0.75)}
.compare-table td:first-child{font-weight:600;color:var(--white)}
.compare-normal{color:rgba(255,255,255,0.35)!important}
.compare-ubase{color:var(--accent)!important;font-weight:600!important}
.compare-table tbody tr{transition:background 0.3s ease}
.compare-table tbody tr:hover{background:rgba(59,109,245,0.06)}

/* ===== AI / PARENT CARDS ===== */
.ai-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;perspective:1000px}
.ai-card{padding:36px;position:relative;transition:var(--transition)}
.ai-badge{position:absolute;top:18px;right:18px;background:linear-gradient(135deg,var(--accent),#6B8DF7);color:#fff;font-size:14px;font-weight:700;padding:5px 12px;border-radius:20px;letter-spacing:0.5px}
.ai-icon{font-size:36px;margin-bottom:18px}
.ai-card h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:12px}
.ai-card p{font-size:16px;color:var(--gray-600);line-height:1.7}

/* ===== MENTORING ===== */
.mentor-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.mentor-features{display:flex;flex-direction:column;gap:28px}
.mentor-feature{display:flex;gap:20px;align-items:flex-start}
.mentor-feature-num{font-size:24px;font-weight:900;color:var(--accent);min-width:40px}
.mentor-feature h4{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--primary)}
.mentor-feature p{font-size:15px;color:var(--gray-600);line-height:1.7}

/* ===== MENTOR PROFILES ===== */
.mentor-profiles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:40px}
.mentor-profile-card{border-radius:var(--radius);cursor:pointer;transition:transform 0.3s ease,box-shadow 0.3s ease;overflow:hidden}
.mentor-profile-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,0.15)}
.mentor-video-wrap{position:relative;width:100%;aspect-ratio:9/14;overflow:hidden;border-radius:var(--radius);background:var(--dark)}
.mentor-video-wrap .mentor-video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;object-position:center bottom}
.mentor-video-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,0.7) 0%,rgba(0,0,0,0.35) 30%,transparent 55%)}
.mentor-video-info{position:absolute;bottom:0;left:0;right:0;padding:28px 24px;z-index:2}
.mentor-univ{font-size:18px;font-weight:700;color:rgba(255,255,255,0.9);margin-bottom:12px;letter-spacing:0.06em;text-shadow:0 2px 8px rgba(0,0,0,0.7)}
.mentor-name-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.mentor-name-tag{font-size:28px;font-weight:800;color:var(--white);text-shadow:0 2px 8px rgba(0,0,0,0.7)}
.mentor-more-arrow{color:#fff;display:flex;align-items:center;filter:drop-shadow(0 2px 6px rgba(0,0,0,0.7));transition:transform 0.3s ease}
.mentor-profile-card:hover .mentor-more-arrow{transform:translateX(6px)}
.mentor-summary{font-size:13.5px;line-height:1.65;color:rgba(255,255,255,0.7);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

@media(max-width:1024px){.mentor-profiles-grid{grid-template-columns:repeat(3,1fr);gap:20px}}
@media(max-width:768px){.mentor-profiles-grid{grid-template-columns:1fr;max-width:360px;margin-left:auto;margin-right:auto}}

/* ===== MENTOR MODAL ===== */
.mentor-modal-overlay{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,0.6);backdrop-filter:blur(4px);justify-content:center;align-items:center;padding:0;overflow:hidden}
.mentor-modal-overlay.active{display:flex}
.mentor-modal{position:relative;background:var(--white);border-radius:16px;max-width:640px;width:calc(100% - 48px);height:auto;max-height:100vh;max-height:100dvh;overflow-y:auto;padding:40px 36px;box-shadow:0 24px 64px rgba(0,0,0,0.25);animation:modalIn 0.3s ease;-webkit-overflow-scrolling:touch}
@keyframes modalIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.mentor-modal-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:28px;color:var(--gray-600);cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background 0.2s}
.mentor-modal-close:hover{background:var(--gray-100)}
.mentor-modal-header{display:flex;align-items:center;gap:16px;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--gray-100)}
.mentor-modal-header h3{font-size:22px;font-weight:800;color:var(--primary)}
.mentor-modal-header .mentor-modal-univ{font-size:14px;color:var(--gray-500);font-weight:500}
.mentor-modal-intro{font-size:15px;line-height:1.8;color:var(--gray-600);margin-bottom:24px}
.mentor-modal-qa{margin-bottom:20px}
.mentor-modal-qa h4{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:8px;padding-left:12px;border-left:3px solid var(--accent)}
.mentor-modal-qa p{font-size:14.5px;line-height:1.75;color:var(--gray-600)}
@media(max-width:768px){.mentor-modal{padding:28px 20px;margin:0;width:100%;max-height:100vh;max-height:100dvh;border-radius:0}.mentor-modal-header h3{font-size:19px}}

/* ===== FACILITY ===== */

/* (timetable removed - merged into system card grid) */

/* ===== REVIEWS ===== */
/* 네이버 블로그 캡처 리뷰 - 겹침 레이아웃 */
.nb-pile{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;padding:20px 0}
.nb-card{background:#fff;border-radius:4px;overflow:hidden;box-shadow:2px 4px 24px rgba(0,0,0,0.12),0 1px 3px rgba(0,0,0,0.08);transition:transform 0.4s ease,box-shadow 0.4s ease,z-index 0s;transform:rotate(var(--r,0deg)) translate(var(--x,0),var(--y,0));position:relative;z-index:1}
.nb-card:hover{box-shadow:4px 8px 32px rgba(0,0,0,0.22);z-index:10;transform:rotate(0deg) translate(0,0) scale(1.03)}
.nb-header{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid #f0f0f0;position:relative}
.nb-logo-bar{position:absolute;top:0;left:0;right:0;height:3px;background:#03C75A}
.nb-naver-icon{width:18px;height:18px;flex-shrink:0}
.nb-blog-label{font-size:13px;font-weight:700;color:#03C75A}
.nb-author{margin-left:auto;font-size:12px;color:#999;font-weight:500}
.nb-body{padding:20px 20px 16px}
.nb-stars{color:#FF5353;font-size:14px;margin-bottom:12px;letter-spacing:2px}
.nb-text{font-size:15px;color:#333;line-height:1.85;word-break:keep-all}
.nb-footer{display:flex;align-items:center;justify-content:space-between;padding:10px 20px 14px;border-top:1px solid #f5f5f5}
.nb-date{font-size:12px;color:#bbb}
.nb-source{font-size:11px;color:#03C75A;font-weight:600;letter-spacing:-0.3px}

/* ===== SCHOLARSHIP ===== */
.schol-hero{text-align:center;padding:48px 40px;margin-top:40px;margin-bottom:28px;position:relative;overflow:hidden}
.schol-hero-badge{position:absolute;top:18px;right:18px;background:linear-gradient(135deg,#FFD700,#FFA500);color:#3C1E1E;font-size:13px;font-weight:800;padding:5px 14px;border-radius:20px;letter-spacing:1px}
.schol-hero-amount{font-size:clamp(56px,10vw,96px);font-weight:900;color:var(--accent);line-height:1;margin-bottom:4px;text-shadow:0 0 60px rgba(59,109,245,0.35)}
.schol-hero-pct{font-size:clamp(36px,6vw,60px)}
.schol-hero-label{font-size:24px;font-weight:800;color:#fff;margin-bottom:16px}
.schol-hero-desc{font-size:16px;color:rgba(255,255,255,0.65);line-height:1.8;max-width:560px;margin:0 auto 16px}
.schol-hero-desc strong{color:var(--accent);font-weight:700}
.schol-hero-example{font-size:14px;color:rgba(255,255,255,0.45);margin-bottom:20px}
.schol-hero-example strong{color:rgba(255,255,255,0.8);font-weight:700}
.schol-hero-conditions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.schol-condition{font-size:13px;color:rgba(255,255,255,0.45);padding:6px 16px;border:1px solid rgba(255,255,255,0.1);border-radius:20px}
.schol-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}
.schol-card{padding:36px 32px;text-align:center}
.schol-card-icon{font-size:32px;margin-bottom:14px}
.schol-card-amount{font-size:clamp(36px,6vw,52px);font-weight:900;color:var(--accent);line-height:1;margin-bottom:4px}
.schol-card-pct{font-size:clamp(24px,4vw,36px)}
.schol-card-unit{font-size:clamp(18px,3vw,24px);font-weight:700}
.schol-card-label{font-size:18px;font-weight:700;color:#fff;margin-bottom:12px}
.schol-card-desc{font-size:15px;color:rgba(255,255,255,0.55);line-height:1.7;margin-bottom:12px}
.schol-card-cond{font-size:12px;color:rgba(255,255,255,0.35);padding-top:12px;border-top:1px solid rgba(255,255,255,0.08)}
.schol-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.schol-card-sm{padding:28px 24px;text-align:center}
.schol-sm-amount{font-size:clamp(24px,4vw,32px);font-weight:900;color:var(--accent);line-height:1;margin-bottom:8px}
.schol-sm-per{font-size:16px;font-weight:600;color:rgba(255,255,255,0.4)}
.schol-sm-label{font-size:16px;font-weight:700;color:#fff;margin-bottom:10px}
.schol-sm-desc{font-size:14px;color:rgba(255,255,255,0.45);line-height:1.6}
.schol-footnote{text-align:center;font-size:13px;color:rgba(255,255,255,0.35);margin-top:32px}

/* ===== DISCOUNT POPUP ===== */
.discount-overlay{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,0.35);backdrop-filter:blur(4px);justify-content:center;align-items:center;padding:24px}
.discount-overlay.active{display:flex}
.discount-modal{position:relative;background:#fff;border-radius:20px;max-width:900px;width:100%;overflow:hidden;box-shadow:0 16px 48px rgba(59,109,245,0.18),0 8px 24px rgba(0,0,0,0.1);animation:modalIn 0.3s ease}
.discount-close{position:absolute;top:16px;right:16px;background:rgba(0,0,0,0.3);border:none;font-size:24px;color:#fff;cursor:pointer;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background 0.2s;z-index:2}
.discount-close:hover{background:rgba(0,0,0,0.5)}
.discount-layout{display:grid;grid-template-columns:2fr 3fr}
.discount-img{background:linear-gradient(135deg,#4A7CFF,#6DD5FA);min-height:400px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.discount-img-placeholder{text-align:center;padding:40px}
.discount-img-sub{font-size:16px;font-weight:600;color:rgba(255,255,255,0.85);letter-spacing:2px;margin-bottom:8px}
.discount-img-highlight{font-size:32px;font-weight:900;color:#fff;line-height:1.2}
.discount-img-highlight span{font-size:84px;display:block;margin:8px 0;text-shadow:0 4px 24px rgba(0,0,0,0.2);letter-spacing:-2px}
.discount-img-sub2{font-size:30px;font-weight:800;color:#fff;letter-spacing:6px}
.discount-content{padding:32px 36px;display:flex;flex-direction:column;justify-content:center}
.discount-list{list-style:none;display:flex;flex-direction:column;gap:20px;margin-bottom:32px}
.discount-list li{display:flex;align-items:center;gap:18px;padding:18px 22px;background:rgba(74,124,255,0.06);border-radius:14px;border:1px solid rgba(74,124,255,0.12);transition:background 0.2s}
.discount-list li:hover{background:rgba(74,124,255,0.12)}
.discount-list-tag{font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,#4A7CFF,#6B8FFF);padding:6px 0;border-radius:20px;white-space:nowrap;flex-shrink:0;text-align:center;letter-spacing:0.5px;width:76px;box-sizing:border-box}
.discount-list-desc{font-size:16px;color:var(--gray-700);font-weight:600;line-height:1.5}
.discount-list-desc strong{color:#FF5522;font-weight:900;font-size:22px}
.discount-note{font-size:12px;color:var(--gray-400);margin-bottom:24px}
.discount-actions{display:flex;gap:12px;flex-wrap:wrap}
.discount-cta,.discount-cta-sub{flex:1;justify-content:center;text-align:center;font-size:15px;padding:14px 20px}
@media(min-width:1440px){.discount-modal{max-width:620px}.discount-layout{grid-template-columns:1fr}.discount-img{min-height:200px}.discount-content{padding:32px 36px}.discount-list-tag{font-size:14px;padding:7px 16px}.discount-list-desc{font-size:18px}.discount-list-desc strong{font-size:24px}.discount-list li{padding:14px 18px;gap:16px}.discount-cta,.discount-cta-sub{font-size:16px;padding:16px 24px}}

/* ===== LOCATION ===== */
.location-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:40px}
.location-card{overflow:hidden}
.location-map{height:300px;background:var(--gray-100)}
.location-info{padding:28px}
.location-info h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:14px}
.location-info p{font-size:16px;color:var(--gray-600);margin-bottom:8px}

/* ===== CTA — AURORA GRADIENT ===== */
.cta-section{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  padding:100px 0;text-align:center;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  top:-50%;left:-50%;
  width:200%;height:200%;
  background:
    radial-gradient(ellipse at 20% 50%,rgba(59,109,245,0.4) 0%,transparent 50%),
    radial-gradient(ellipse at 80% 20%,rgba(99,102,241,0.3) 0%,transparent 50%),
    radial-gradient(ellipse at 60% 80%,rgba(139,92,246,0.25) 0%,transparent 50%);
  animation:auroraMove 8s ease-in-out infinite alternate;
  z-index:0;
  pointer-events:none;
}
@keyframes auroraMove{
  0%{transform:translate(0,0) rotate(0deg)}
  100%{transform:translate(-5%,3%) rotate(8deg)}
}
.cta-section .container{position:relative;z-index:2}
.cta-section .section-title{color:var(--white)}
.cta-desc{color:rgba(255,255,255,0.75);font-size:17px;margin-bottom:36px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.cta-phone{color:rgba(255,255,255,0.5);font-size:15px}

/* ===== FOOTER ===== */
.footer{background:var(--dark);padding:70px 0 36px;color:rgba(255,255,255,0.55)}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand span{font-size:24px;font-weight:800;color:var(--white);display:block;margin-bottom:14px}
.footer-brand p{font-size:15px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:700;color:var(--white);margin-bottom:18px}
.footer-col a{display:block;font-size:14px;margin-bottom:12px;transition:var(--transition)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:28px;font-size:14px;text-align:center}

/* ===== STICKY MOBILE CTA ===== */
.sticky-cta{
  display:none;
  position:fixed;
  bottom:0;left:0;right:0;
  z-index:999;
  padding:12px 16px;
  padding-bottom:calc(12px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-top:1px solid rgba(0,0,0,0.06);
  box-shadow:0 -4px 20px rgba(0,0,0,0.08);
  transform:translateY(100%);
  transition:transform 0.4s cubic-bezier(0.25,0.1,0.25,1);
}
.sticky-cta.visible{
  transform:translateY(0);
}
.sticky-cta-inner{
  display:flex;gap:10px;
  max-width:500px;margin:0 auto;
}
.sticky-cta .btn{
  flex:1;
  justify-content:center;
  padding:14px 16px;
  font-size:15px;
  border-radius:12px;
}
@media(max-width:768px){
  .sticky-cta{display:block}
}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .container{padding:0 28px}
  .nav-inner{padding:0 28px}
  .mgmt-grid,.ai-grid{grid-template-columns:repeat(2,1fr)}
  .numbers-grid{grid-template-columns:repeat(3,1fr)}
  .research-cards{grid-template-columns:repeat(2,1fr)}
  .mentor-grid{gap:48px}
}
@media(max-width:768px){
  .container{padding:0 20px}
  .nav-inner{padding:0 20px}
  .section{padding:72px 0}
  .nav-links{display:none!important}
  .mob-tab-bar{display:block}
  .mentor-grid{grid-template-columns:1fr}
  .location-grid{grid-template-columns:1fr}
  .schol-grid-2{grid-template-columns:1fr}
  .schol-grid-3{grid-template-columns:1fr;max-width:400px;margin-left:auto;margin-right:auto}
  .schol-hero{padding:36px 24px}
  .discount-layout{grid-template-columns:1fr}
  .discount-img{min-height:120px}
  .discount-img-sub{font-size:12px}
  .discount-img-highlight{font-size:22px}
  .discount-img-highlight span{font-size:48px;margin:4px 0}
  .discount-img-sub2{font-size:20px}
  .discount-modal{max-height:92vh;max-height:92dvh;overflow-y:auto}
  .discount-content{padding:16px 18px}
  .discount-list{gap:8px;margin-bottom:16px}
  .discount-list li{padding:10px 14px;flex-direction:row;align-items:center;gap:10px}
  .discount-list-tag{font-size:11px;padding:4px 10px;min-width:54px}
  .discount-list-desc{font-size:14px}
  .discount-list-desc strong{font-size:18px}
  .discount-close{background:rgba(255,255,255,0.2)}
  .discount-cta{padding:12px 16px;font-size:14px}
  .mgmt-grid,.nb-pile,.ai-grid{grid-template-columns:1fr}
  .nb-pile{gap:16px}
  .nb-card{--x:0%!important;--y:0!important;--r:0deg!important}
  .numbers-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .footer-inner{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .hero-year{font-size:36px}
  .number-value{font-size:36px}
  .number-card{padding:32px 16px}
  .number-label{font-size:16px}
  .number-desc{font-size:14px}
  .mentor-grid{gap:32px}
  .research-cards{grid-template-columns:1fr}
  .support-item{flex-wrap:wrap;gap:8px}
  .support-uni{min-width:auto}
  .support-desc{min-width:100%;order:4}
  .support-year{order:2}
  .support-link{order:3}
  .rs-card{flex:0 0 300px;padding:28px 22px 24px}
  .rs-headline{font-size:17px}
  .rs-desc{font-size:13px}
  .slider-track{gap:16px}
  /* sticky CTA 있을때 하단 여백 */
  .footer{padding-bottom:90px}
}

/* BENTO GRID */
.bento-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:180px;grid-auto-flow:dense;gap:10px;margin-top:36px;max-height:470px;overflow:hidden;transition:max-height .5s ease}
.bento-card{position:relative;border-radius:14px;overflow:hidden;cursor:pointer}
.bento-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s,filter .3s}
.bento-card:hover img{transform:scale(1.06);filter:brightness(1.05)}
.bento-card--lg{grid-column:span 2;grid-row:span 2}
.bento-cap{position:absolute;bottom:0;left:0;right:0;padding:16px 18px;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff;font-size:14px;font-weight:500;opacity:0;transition:opacity .3s;letter-spacing:-.01em}
.bento-card:hover .bento-cap{opacity:1}
.bento-card--lg .bento-cap{font-size:16px;padding:20px 24px}
.bento-more{display:block;margin:24px auto 0;padding:12px 40px;border:1px solid var(--gray-300);border-radius:28px;background:transparent;color:var(--gray-700);font-size:14px;font-weight:500;cursor:pointer;transition:all .3s}
.bento-more:hover{border-color:var(--accent);color:var(--accent)}
.bento-more.hidden{display:none}
@media(max-width:1024px){.bento-grid{grid-template-columns:repeat(3,1fr);grid-auto-rows:150px;max-height:395px}}
@media(max-width:768px){
  .bento-grid{grid-template-columns:repeat(3,1fr);grid-auto-rows:120px;gap:4px;margin-top:24px;max-height:308px}
  .bento-card{border-radius:6px}
  .bento-card--lg{grid-column:span 2;grid-row:span 2}
  .bento-cap{display:none}
}
@media(max-width:480px){.bento-grid{grid-auto-rows:100px;gap:3px;max-height:256px}}
/* 인스타 뷰어 (모바일 풀스크린) */
.insta-viewer{display:none;position:fixed;inset:0;background:#000;z-index:10000;flex-direction:column}
.insta-viewer.active{display:flex}
.insta-close{position:absolute;top:16px;right:16px;font-size:32px;color:#fff;background:none;border:none;cursor:pointer;z-index:10;line-height:1}
.insta-counter{display:none}
.insta-scroll{flex:1;overflow-y:auto;scroll-snap-type:y mandatory;-webkit-overflow-scrolling:touch}
.insta-slide{height:100vh;height:100dvh;scroll-snap-align:start;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:60px 16px 24px}
.insta-slide img{max-width:100%;max-height:calc(100vh - 120px);max-height:calc(100dvh - 120px);object-fit:contain;border-radius:8px;touch-action:pan-y}
.insta-slide-cap{color:#fff;font-size:14px;margin-top:12px;text-align:center;opacity:.8}
@media(max-width:480px){
  .numbers-grid{grid-template-columns:1fr;gap:12px}
  .number-card{padding:24px 20px}
  .number-value{font-size:32px}
  .number-label{font-size:15px}
  .number-desc{font-size:14px}
  .section-title{font-size:24px}
}

/* LIGHTBOX */
.lightbox{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.95);z-index:9999;align-items:center;justify-content:center;flex-direction:column}
.lightbox.active{display:flex}
.lightbox-img{max-width:90vw;max-height:68vh;border-radius:12px;object-fit:contain;user-select:none;transition:opacity .3s;touch-action:none}
.lightbox-close{position:absolute;top:20px;right:28px;font-size:40px;color:#fff;background:none;border:none;cursor:pointer;z-index:10;line-height:1}
.lightbox-prev,.lightbox-next{position:absolute;top:50%;transform:translateY(-50%);font-size:36px;color:#fff;background:rgba(255,255,255,.1);border:none;cursor:pointer;padding:16px 20px;border-radius:50%;transition:background .2s}
.lightbox-prev:hover,.lightbox-next:hover{background:rgba(255,255,255,.22)}
.lightbox-prev{left:20px}
.lightbox-next{right:20px}
.lightbox-caption{color:#fff;font-size:15px;margin-top:12px;font-weight:500}
.lightbox-counter{display:none}
.lightbox-spinner{display:none;width:36px;height:36px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:lbSpin .7s linear infinite;position:absolute}
@keyframes lbSpin{to{transform:rotate(360deg)}}
.lightbox-thumbs{display:flex;gap:6px;margin-top:16px;overflow-x:auto;max-width:90vw;padding:4px 0;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent}
.lb-thumb{width:56px;height:40px;object-fit:cover;border-radius:6px;opacity:.4;cursor:pointer;transition:opacity .2s,border .2s;border:2px solid transparent;flex-shrink:0}
.lb-thumb.active{opacity:1;border-color:#fff}
.lb-thumb:hover{opacity:.8}
@media(max-width:600px){.lightbox-prev,.lightbox-next{padding:10px 14px;font-size:24px}.lightbox-thumbs{display:none}}
/* RESEARCH MODAL */
.rs-modal-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.55);z-index:9998;align-items:center;justify-content:center;padding:24px}
.rs-modal-overlay.active{display:flex}
.rs-modal{background:var(--white);border-radius:20px;max-width:520px;width:100%;padding:36px 32px 32px;position:relative;animation:rsModalIn .3s ease}
@keyframes rsModalIn{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.rs-modal-close{position:absolute;top:16px;right:20px;font-size:28px;color:var(--gray-400);background:none;border:none;cursor:pointer;line-height:1;transition:color .2s}
.rs-modal-close:hover{color:var(--primary)}
.rs-modal-badge{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.rs-modal-badge svg{width:32px;height:32px;color:var(--accent)}
.rs-modal-uni{font-size:22px;font-weight:800;color:var(--primary)}
.rs-modal-title{font-size:19px;font-weight:800;color:var(--primary);line-height:1.5;margin-bottom:8px}
.rs-modal-meta{font-size:14px;color:var(--gray-400);margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid rgba(0,0,0,.06)}
.rs-modal-body{margin-bottom:24px}
.rs-modal-body p{font-size:16px;color:var(--gray-600);line-height:1.8;margin-bottom:12px}
.rs-modal-body p:last-child{margin-bottom:0}
.rs-modal-body strong{color:var(--primary);font-weight:700}
.rs-modal-link{display:inline-flex;align-items:center;gap:6px;font-size:16px;font-weight:700;color:var(--white);background:var(--accent);padding:14px 28px;border-radius:12px;text-decoration:none;transition:background .2s,transform .2s}
.rs-modal-link:hover{background:#2a5ce0;transform:translateY(-2px)}
.rs-card[data-modal]{cursor:pointer}
@media(max-width:480px){.rs-modal{padding:28px 20px 24px;margin:12px}.rs-modal-uni{font-size:19px}.rs-modal-title{font-size:17px}.rs-modal-body p{font-size:15px}}

/* CHATBOT */
.chatbot-fab{position:fixed;bottom:48px;right:48px;z-index:2000;width:76px;height:76px;border-radius:50%;border:none;background:linear-gradient(135deg,#3B6DF5,#6C5CE7);color:#fff;cursor:pointer;box-shadow:0 6px 24px rgba(59,109,245,.45);transition:transform .3s,box-shadow .3s;display:flex;align-items:center;justify-content:center;animation:chatFabBounce 2s ease-in-out infinite}
@keyframes chatFabBounce{0%,100%{transform:translateY(0) scale(1);box-shadow:0 6px 24px rgba(59,109,245,.45),0 0 0 0 rgba(59,109,245,.35)}25%{transform:translateY(-10px) scale(1.05);box-shadow:0 14px 36px rgba(59,109,245,.35),0 0 0 8px rgba(59,109,245,.15)}50%{transform:translateY(0) scale(1);box-shadow:0 6px 24px rgba(59,109,245,.45),0 0 0 16px rgba(59,109,245,0)}75%{transform:translateY(-5px) scale(1.02);box-shadow:0 10px 28px rgba(59,109,245,.4),0 0 0 4px rgba(59,109,245,.1)}}
.chatbot-fab:hover{transform:scale(1.15)!important;box-shadow:0 10px 36px rgba(59,109,245,.55)!important;animation:none}
.chatbot-fab.active{animation:none}
.chatbot-fab svg{width:36px;height:36px;transition:opacity .2s,transform .2s}
.fab-star{animation:fabStarTwinkle 1.8s ease-in-out infinite}
.fab-star2{animation-delay:.6s}
.fab-star3{animation-delay:1.2s}
@keyframes fabStarTwinkle{0%,100%{opacity:.3;r:1}50%{opacity:1;r:2.2}}
.fab-pencil{animation:fabPencilWrite 2.5s ease-in-out infinite}
@keyframes fabPencilWrite{0%,100%{stroke-dashoffset:0}50%{stroke-dashoffset:4}}
.chatbot-fab-close{position:absolute;opacity:0;transform:rotate(-90deg)}
.chatbot-fab.active .chatbot-fab-icon{opacity:0;transform:rotate(90deg)}
.chatbot-fab.active .chatbot-fab-close{opacity:1;transform:rotate(0)}
.chatbot-panel{position:fixed;bottom:136px;right:48px;z-index:2000;width:440px;max-height:620px;background:#fff;border-radius:24px;box-shadow:0 16px 56px rgba(0,0,0,.2);display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(20px) scale(.95);pointer-events:none;transition:opacity .3s,transform .3s}
.chatbot-panel.active{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.chatbot-header{background:linear-gradient(135deg,#3B6DF5,#6C5CE7);color:#fff;padding:18px 24px;display:flex;align-items:center;justify-content:space-between}
.chatbot-header-title{font-size:18px;font-weight:700}
.chatbot-header-status{font-size:13px;opacity:.9;display:flex;align-items:center;gap:6px}
.chatbot-header-status::before{content:'';width:9px;height:9px;border-radius:50%;background:#4ade80}
.chatbot-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px;min-height:360px;max-height:440px}
.chatbot-msg{display:flex}
.chatbot-msg-bot{justify-content:flex-start}
.chatbot-msg-user{justify-content:flex-end}
.chatbot-msg-bubble{max-width:80%;padding:12px 16px;border-radius:18px;font-size:15px;line-height:1.6;word-break:break-word}
.chatbot-msg-bot .chatbot-msg-bubble{background:#f0f4ff;color:#333;border-bottom-left-radius:4px}
.chatbot-msg-user .chatbot-msg-bubble{background:linear-gradient(135deg,#3B6DF5,#6C5CE7);color:#fff;border-bottom-right-radius:4px}
.chatbot-msg-typing .chatbot-msg-bubble{display:flex;gap:5px;padding:14px 20px}
.chatbot-msg-typing .chatbot-msg-bubble span{width:9px;height:9px;border-radius:50%;background:#b0c4ff;animation:chatTyping 1.4s infinite}
.chatbot-msg-typing .chatbot-msg-bubble span:nth-child(2){animation-delay:.2s}
.chatbot-msg-typing .chatbot-msg-bubble span:nth-child(3){animation-delay:.4s}
@keyframes chatTyping{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}
.chatbot-input{display:flex;padding:14px;gap:10px;border-top:1px solid rgba(0,0,0,.06)}
.chatbot-input input{flex:1;border:1.5px solid rgba(59,109,245,.2);border-radius:14px;padding:12px 16px;font-size:15px;outline:none;transition:border-color .2s}
.chatbot-input input:focus{border-color:#3B6DF5}
.chatbot-input button{width:46px;height:46px;border:none;background:linear-gradient(135deg,#3B6DF5,#6C5CE7);color:#fff;border-radius:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .2s}
.chatbot-input button:hover{opacity:.85}
.chatbot-input button svg{width:20px;height:20px}
@media(max-width:768px){.chatbot-fab{bottom:80px;right:16px;width:60px;height:60px}.chatbot-fab svg{width:28px;height:28px}.chatbot-panel{bottom:0;right:0;left:0;width:100%;max-height:100vh;border-radius:20px 20px 0 0}.chatbot-panel.active{height:70vh}.chatbot-messages{min-height:0;max-height:none;flex:1}}