:root {
  --primary:      #800000;
  --primary-dark: #5c0000;
  --primary-light:#a52a2a;
  --secondary:    #f5e6e6;
  --accent:       #ffd700;
  --dark:         #1a1a1a;
  --gray:         #6b7280;
  --light:        #f8f8f8;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, sans-serif;
  --glass-bg:     rgba(255,255,255,0.75);
  --glass-border: rgba(255,255,255,0.4);
  --card-shadow:  0 20px 40px rgba(0,0,0,0.06);
}
body { font-family:var(--font-body); background:#fdfdfd; color:var(--dark); overflow-x:hidden; }

.ac-hero {
  position:relative; height:100vh; min-height:640px;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden; background:#000;
}
.ac-hero-bg {
  position:absolute; inset:0;
  background:url('../img/academics1.webp') center/cover no-repeat;
  filter:brightness(.45) saturate(1.1);
  transform:scale(1.05); animation:acHeroZoom 22s ease-in-out infinite alternate;
}
@keyframes acHeroZoom{from{transform:scale(1.05)}to{transform:scale(1.12)}}
.ac-hero-overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(128,0,0,.25) 0%,rgba(0,0,0,.7) 100%)}
.ac-hero-content{position:relative;z-index:10;text-align:center;color:#fff;padding:0 1.5rem;max-width:860px}
.ac-hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,215,0,.12);border:1px solid rgba(255,215,0,.4);color:#ffd700;padding:.45rem 1.4rem;border-radius:50px;font-size:.78rem;font-weight:700;letter-spacing:3px;text-transform:uppercase;margin-bottom:1.5rem;backdrop-filter:blur(10px);opacity:0;animation:acFadeUp .8s ease forwards .2s}
.ac-hero-title{font-family:var(--font-heading);font-size:clamp(2.8rem,8vw,5.5rem);font-weight:700;line-height:1.1;margin-bottom:1.25rem;opacity:0;animation:acFadeUp .8s ease forwards .4s;text-align:center}
.ac-hero-title span{background:linear-gradient(135deg,#fff 0%,#ffd700 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.ac-hero-desc{font-size:clamp(1rem,2vw,1.2rem);color:rgba(255,255,255,.82);max-width:600px;margin:0 auto 2.5rem;line-height:1.8;opacity:0;animation:acFadeUp .8s ease forwards .6s;text-align:center}
.ac-scroll-hint{position:absolute;bottom:1.25rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.4rem;color:rgba(255,255,255,.45);font-size:.68rem;letter-spacing:2px;text-transform:uppercase;animation:acBounce 2s infinite;z-index:100}
.ac-scroll-hint::after{content:'';width:1px;height:30px;background:linear-gradient(to bottom,rgba(255,255,255,.45),transparent)}
@keyframes acFadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes acBounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-7px)}}

.ac-highlights {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.5rem;
  margin:-4rem auto 0;
  position:relative;z-index:10;
  max-width:1400px;padding:0 2rem;
}
.ac-highlight-card {
  background:#fff;padding:2rem 1.5rem;border-radius:22px;
  box-shadow:0 25px 50px -12px rgba(0,0,0,.1);
  text-align:center;transition:all .3s ease;
  border:1px solid #f1f5f9;
}
.ac-highlight-card:hover{transform:translateY(-8px);box-shadow:0 30px 60px rgba(128,0,0,.12)}
.ac-highlight-icon{width:56px;height:56px;background:linear-gradient(135deg,var(--primary),#a00000);color:#fff;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin:0 auto 1.25rem}
.ac-highlight-value{font-family:var(--font-heading);font-size:2.2rem;font-weight:700;color:var(--dark);display:block;margin-bottom:.4rem}
.ac-highlight-label{font-size:.9rem;color:var(--gray);font-weight:500}

.ac-section{padding:clamp(4rem,10vw,8rem) 0}
.ac-section-label{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:3px;color:var(--primary);background:var(--secondary);padding:.4rem 1.2rem;border-radius:30px;margin-bottom:1rem}
.ac-section-title{font-family:var(--font-heading);font-size:clamp(2rem,5vw,3rem);font-weight:700;color:var(--dark);line-height:1.2;margin-bottom:1rem}
.ac-section-sub{font-size:1.05rem;color:var(--gray);max-width:700px;margin:0 auto;line-height:1.8}

.ac-glass-card {
  background:var(--glass-bg);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid var(--glass-border);
  border-radius:28px;box-shadow:var(--card-shadow);
  padding:2.5rem;margin-bottom:3rem;
}
.ac-category-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;border-left:5px solid var(--primary);padding-left:1.25rem;flex-wrap:wrap}
.ac-category-title{font-family:var(--font-heading);font-weight:700;font-size:1.6rem;color:var(--dark);margin:0}
.ac-category-badge{padding:.35rem .9rem;border-radius:50px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1px}

.ac-chart-wrap{background:#fff;padding:1.5rem;border-radius:20px;border:1px solid #f1f5f9;box-shadow:0 8px 25px rgba(0,0,0,.03);height:380px;position:relative}
.ac-chart-title{font-family:var(--font-heading);font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:1rem;text-align:center}
.ac-chart-note{font-size:.82rem;color:var(--gray);margin-top:1rem}

.ac-subject-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}

.ac-research{padding:clamp(4rem,10vw,8rem) 0;background:var(--light)}
.ac-research-badge{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--primary),#a00000);color:#fff;padding:.55rem 1.2rem;border-radius:50px;font-size:.82rem;font-weight:700;letter-spacing:1px;box-shadow:0 4px 15px rgba(128,0,0,.2);margin-bottom:1.5rem}
.ac-video-wrap{position:relative;width:100%;padding:1.5rem;background:rgba(255,255,255,.6);backdrop-filter:blur(15px);border-radius:28px;border:1px solid rgba(255,255,255,.4);box-shadow:0 30px 80px rgba(0,0,0,.12)}
.ac-video-frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:18px;overflow:hidden;background:#000;box-shadow:0 20px 50px rgba(0,0,0,.2)}
.ac-video-frame iframe{width:100%;height:100%;border:none}
.ac-video-label{display:flex;align-items:center;gap:.75rem;padding:1rem .5rem 0}
.ac-video-label i{color:var(--primary);font-size:1.75rem}
.ac-video-label-text strong{display:block;font-weight:800;font-size:1rem;text-transform:uppercase;letter-spacing:.5px}
.ac-video-label-text span{font-size:.82rem;color:var(--gray)}

.ac-stats-row{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap;margin:2rem 0}
.ac-stat-item{text-align:center}
.ac-stat-num{display:block;font-family:var(--font-heading);font-size:2.2rem;font-weight:700;color:var(--primary);line-height:1}
.ac-stat-lbl{font-size:.85rem;color:var(--gray);font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-top:.3rem}
.ac-stat-divider{width:1px;background:#e2e8f0;align-self:stretch;margin:.5rem 0}

.ac-mentor-card{background:#fff;padding:2rem 1.5rem;border-radius:20px;border:1px solid #f1f5f9;text-align:center;transition:all .3s ease;height:100%}
.ac-mentor-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px rgba(0,0,0,.07);border-color:rgba(128,0,0,.2)}
.ac-mentor-emoji{font-size:2.5rem;margin-bottom:1rem;display:block}
.ac-mentor-name{font-family:var(--font-heading);font-weight:700;color:var(--dark);margin-bottom:.5rem;font-size:1.1rem}
.ac-mentor-role{font-size:.88rem;color:var(--gray);line-height:1.6}
.ac-mentor-role strong{color:var(--primary);font-weight:600}

.ac-research-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.9rem}
.ac-student-pill{background:#fff;padding:.7rem 1rem;border-radius:12px;font-size:.88rem;color:#475569;font-weight:600;border:1px solid #e2e8f0;transition:all .3s ease;text-align:center}
.ac-student-pill:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px rgba(128,0,0,.08)}

@media(max-width:1200px){
  .ac-highlights{grid-template-columns:repeat(2,1fr);margin-top:-2rem;gap:1.25rem}
  .ac-subject-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
  .ac-section{padding:5rem 0}
}
@media(max-width:992px){
  .ac-hero{min-height:560px}
  .ac-highlights{grid-template-columns:repeat(2,1fr);gap:1.25rem;padding:0 1.5rem;margin-top:1rem}
  .ac-highlight-card{padding:1.75rem 1.25rem}
  .ac-glass-card{padding:2rem;border-radius:22px;margin-bottom:2.5rem}
  .ac-chart-wrap{height:auto;overflow:visible;padding:1.25rem;padding-bottom:1.5rem;display:flex;flex-direction:column;gap:.5rem}
  .ac-chart-wrap canvas{height:320px!important;width:100%!important;max-width:100%}
  .ac-subject-grid{grid-template-columns:1fr}
  .ac-section{padding:4rem 0}
  .ac-section-title{font-size:2.2rem!important}
  .ac-video-wrap{padding:1.25rem}
  .ac-stats-row{gap:2rem}
}
@media(max-width:768px){
  .ac-hero{min-height:100svh;min-height:100vh}
  .ac-scroll-hint{display:none}
  .ac-highlights{grid-template-columns:repeat(2,1fr);gap:1rem;padding:0 1rem;margin-top:2rem}
  .ac-highlight-card{padding:1.25rem .9rem}
  .ac-highlight-value{font-size:1.7rem}
  .ac-highlight-label{font-size:.78rem}
  .ac-highlight-icon{width:48px;height:48px;font-size:1.2rem;border-radius:14px;margin-bottom:1rem}
  .ac-glass-card{padding:1.25rem;margin-bottom:1.75rem;border-radius:18px}
  .ac-category-header{flex-direction:column;align-items:flex-start;gap:.4rem;padding-left:.9rem}
  .ac-category-title{font-size:1.2rem}
  .ac-category-badge{font-size:.7rem}
  .ac-chart-wrap{height:auto;overflow:visible;padding:.9rem;padding-bottom:1.25rem;border-radius:16px;width:100%;box-sizing:border-box;display:flex;flex-direction:column;gap:.5rem}
  .ac-chart-wrap canvas{display:block;height:300px!important;width:100%!important;max-width:100%;margin:0 auto}
  .ac-chart-title{font-size:.88rem;margin-bottom:.6rem}
  .ac-chart-note{font-size:.78rem}
  .ac-glass-card .row > [class*="col-"]{width:100%;max-width:100%}
  .ac-section{padding:2.5rem 0}
  .ac-section-title{font-size:1.8rem!important}
  .ac-section-sub{font-size:.95rem}
  .ac-section-label{font-size:.7rem;letter-spacing:2px}
  .ac-research{padding:2.5rem 0}
  .ac-research-badge{font-size:.75rem;padding:.45rem 1rem}
  .ac-video-wrap{padding:.9rem;border-radius:20px}
  .ac-video-frame{border-radius:14px}
  .ac-video-label{padding:.75rem .25rem 0;gap:.6rem}
  .ac-video-label i{font-size:1.4rem}
  .ac-video-label-text strong{font-size:.88rem}
  .ac-video-label-text span{font-size:.75rem}
  .ac-stats-row{gap:1.25rem;margin:1.5rem 0}
  .ac-stat-num{font-size:1.7rem}
  .ac-stat-lbl{font-size:.75rem}
  .ac-mentor-card{padding:1.5rem 1rem}
  .ac-mentor-emoji{font-size:2rem;margin-bottom:.75rem}
  .ac-mentor-name{font-size:1rem}
  .ac-mentor-role{font-size:.82rem}
  .ac-research-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem}
  .ac-student-pill{font-size:.82rem;padding:.6rem .75rem}
}
@media(max-width:480px){
  .ac-hero { padding: 6rem 1rem 3rem; }
  .ac-highlights{grid-template-columns:1fr 1fr;gap:.65rem;padding:0 .75rem}
  .ac-highlight-card{padding:1rem .75rem}
  .ac-highlight-value{font-size:1.4rem}
  .ac-highlight-label{font-size:.72rem}
  .ac-highlight-icon{width:40px;height:40px;font-size:1rem;border-radius:11px;margin-bottom:.75rem}
  .ac-chart-wrap{padding:.75rem;padding-bottom:1rem}
  .ac-chart-wrap canvas{height:280px!important}
  .ac-chart-title{font-size:.82rem}
  .ac-section-title{font-size:1.5rem!important}
  .ac-stats-row{gap:.9rem}
  .ac-stat-num{font-size:1.5rem}
  .ac-stat-divider{display:none}
  .ac-research-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.6rem}
  .ac-student-pill{font-size:.78rem;padding:.5rem .6rem;border-radius:10px}
  .ac-glass-card{padding:1rem;border-radius:16px}
  .ac-category-title{font-size:1.1rem}
}
@media(max-height:500px) and (orientation:landscape){
  .ac-hero{min-height:auto;height:auto;padding:5rem 1.5rem 3rem}
  .ac-scroll-hint{display:none}
  .ac-highlights{margin-top:2rem;grid-template-columns:repeat(4,1fr)}
}
@media(hover:none){
  .ac-highlight-card:hover,.ac-mentor-card:hover,.ac-student-pill:hover{transform:none;box-shadow:none}
}