/* ================================
   Actuarial Edge — Light Theme (Option 4.3)
   Cobalt #4361EE | Orange #FF6F00 | Mint #06D6A0 | Soft Beige #FDFCFB
   Includes: equal-size Stats cards + AOS-safe defaults
   Update: Mentor photos are PERFECT SQUARES (not circular)
================================ */

:root{
  --h1: clamp(2.2rem, 3.6vw, 3.2rem);
  --h2: clamp(1.6rem, 2.4vw, 2.2rem);
  --h3: clamp(1.2rem, 1.6vw, 1.4rem);
  --lead: 1.125rem;

  --space-1: 8px; --space-2: 12px; --space-3: 18px;
  --space-4: 24px; --space-5: 32px; --space-6: 48px;

  --primary:#4361EE;
  --primary-2:#EEF1FF;
  --secondary:#FF6F00;
  --accent:#06D6A0;

  --bg:#FDFCFB;
  --surface:#FFFFFF;
  --ink:#1F2937;
  --muted:#4B5563;

  --line:#EAEAEA;
  --card-shadow:0 10px 24px rgba(67,97,238,.08);

  --topbar-h: 40px;
  --navbar-h: 64px;
  --logo-base-h: 56px;
  --logo-scale: 1.55;

  /* Mentor photo sizing */
  --mentor-photo: 240px;
  --mentor-photo-sm: 200px;
}
@media (max-width: 900px){ :root{ --logo-scale: 1.28; } }

/* Base */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Roboto,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
h1,h2,h3{font-family:Poppins,Roboto,Arial,sans-serif;color:var(--primary);margin:0 0 12px}
h1{font-size:var(--h1)} h2{font-size:var(--h2)} h3{font-size:var(--h3)}
p{margin:.5rem 0 1rem}
a{color:inherit;text-decoration:none;transition:.2s}
a:hover{color:var(--primary)}
.container{width:min(1120px,92%);margin:0 auto}
.section{padding:64px 0}
.section.alt{background:var(--surface)}
.highlight{color:var(--accent)}
body::before{content:none;display:none}

/* Topbar & Navbar */
.topbar{
  position:sticky;top:0;z-index:1000;background:var(--primary);color:#fff;text-align:center;
  display:flex;align-items:center;justify-content:center;height:var(--topbar-h);padding:0 12px;font-weight:800;border-bottom:1px solid rgba(0,0,0,.05)
}
.topbar a{color:#fff;text-decoration:underline}
.site-header{position:sticky;top:0;z-index:900;background:transparent}

.navbar{
  position:sticky;top:var(--topbar-h);z-index:950;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;height:var(--navbar-h);padding:0 8px;overflow:visible
}
.logo{display:flex;align-items:center;gap:10px;padding:2px 10px;position:relative}
.logo img{height:var(--logo-base-h);width:auto;max-height:var(--logo-base-h);object-fit:contain;transform:scale(var(--logo-scale)) translateY(2px);transform-origin:left center}
.nav-toggle{display:none;background:none;border:0;font-size:1.25rem}
.nav-links{display:flex;gap:16px;align-items:center;list-style:none;margin:0;padding:0}
.nav-links a{padding:10px 12px;border-radius:10px;font-weight:700}
.nav-links a:hover{background:rgba(67,97,238,.08)}
.btn-small{padding:10px 16px;border:1px solid transparent;color:#fff;background:var(--secondary);border-radius:12px}

@media (max-width:900px){
  .nav-toggle{display:inline-flex;color:var(--ink)}
  .nav-links{
    position:fixed;inset:calc(var(--topbar-h) + var(--navbar-h)) 0 auto 0;background:#fff;flex-direction:column;
    padding:14px;gap:10px;transform:translateY(-130%);transition:.25s ease;border-bottom:1px solid var(--line)
  }
  .nav-links.open{transform:translateY(0)}
}

/* Hero */
.hero-section{
  position:relative;min-height:70vh;display:flex;align-items:center;text-align:center;overflow:hidden;
  background:radial-gradient(1200px 420px at 20% 0%, rgba(6,214,160,.16), transparent 60%),linear-gradient(0deg, rgba(67,97,238,.10), rgba(67,97,238,.10));
  background-color:var(--primary-2)
}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(900px 340px at 80% 10%, rgba(255,111,0,.14), transparent 70%)}
.hero-content{position:relative;z-index:2;padding:56px 0}
.hero-section h1{color:var(--ink)}
.hero-section p{font-size:var(--lead);color:var(--muted);max-width:820px;margin:14px auto 20px}
.hero-ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-badges{margin-top:14px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap;color:var(--ink)}
.hero-badges span{background:#fff;border:1px solid var(--line);padding:6px 10px;border-radius:999px}

/* Buttons */
.btn,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:14px;font-weight:800;border:1px solid transparent;background:var(--secondary);color:#fff;cursor:pointer;transition:transform .08s,box-shadow .2s,background .2s;box-shadow:0 6px 16px rgba(0,0,0,.12)}
.btn:hover,.button:hover{transform:translateY(-1px);background:#E46200}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(67,97,238,.08)}
.btn-primary{background:var(--secondary);color:#fff}
.btn-secondary{background:var(--primary);color:#fff}

/* Feature cards */
.features-grid{display:grid;gap:18px;grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.features-grid{grid-template-columns:1fr}}
.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--card-shadow);text-align:center}
.feature-card i{font-size:1.6rem;color:var(--primary);margin-bottom:8px}
.feature-card p{color:var(--muted)}
#features .features-grid{grid-template-columns:repeat(3,1fr)}
@media (max-width:960px){#features .features-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){#features .features-grid{grid-template-columns:1fr}}

/* ===== Stats (equal size & spacing) ===== */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(240px,1fr));
  gap:24px;
  align-items:stretch;
}
@media (max-width:780px){ .stats-grid{ grid-template-columns: repeat(2, minmax(220px,1fr)); } }
@media (max-width:560px){ .stats-grid{ grid-template-columns: 1fr; } }

.stat{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px 18px;
  min-height:140px;
  box-shadow:var(--card-shadow);
}
.stat-value{
  font-family:"Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-weight:700;
  font-size:32px;
  line-height:1.1;
  color:var(--primary);
  margin-bottom:10px;
}
.stat-label{
  font-family:"Roboto", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size:16px;
  color:var(--muted);
}

/* Courses */
.courses-grid{display:grid;gap:18px;grid-template-columns:repeat(2,1fr)}
@media (max-width:560px){.courses-grid{grid-template-columns:1fr}}
.course-tile{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:block;transition:transform .15s,box-shadow .2s;box-shadow:var(--card-shadow)}
.course-tile:hover{transform:translateY(-3px);box-shadow:0 16px 26px rgba(0,0,0,.08)}
.course-img{height:200px;background-size:cover;background-position:center;border-bottom:1px solid var(--line)}
.course-meta{padding:14px}
.course-meta h3{color:var(--ink)}
.course-meta p{color:var(--muted);margin:0}

/* Faculty */
.faculty-cards{display:grid;gap:18px;grid-template-columns:repeat(2,1fr)}
@media (max-width:760px){.faculty-cards{grid-template-columns:1fr}}
.faculty-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--card-shadow);text-align:center}

/* ✅ Mentor photos: perfect squares (equal size) */
.faculty-photo{
  width:var(--mentor-photo);
  height:var(--mentor-photo);
  aspect-ratio:1/1;
  border-radius:0;            /* square corners */
  object-fit:cover;
  object-position:center;
  display:block;
  margin:0 auto 10px;
  cursor:pointer;
}
@media (max-width:760px){
  .faculty-photo{width:var(--mentor-photo-sm);height:var(--mentor-photo-sm);}
}

.toggle-bio{display:inline-flex;align-items:center;gap:8px;margin-top:6px}
.toggle-bio::after{content:"▼";font-size:.8rem;transition:transform .2s;color:var(--primary)}
.faculty-card.open .toggle-bio::after{transform:rotate(180deg)}

/* ✅ Long bios never clip (JS animates; CSS is a safe fallback) */
.faculty-bio{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s,margin-top .2s,opacity .2s;
  margin-top:0;
  opacity:0;
  text-align:left;
  color:var(--muted);
}
.faculty-card.open .faculty-bio{
  max-height:none;
  margin-top:10px;
  opacity:1;
}

/* Hall of Fame */
.hall-grid{display:grid;gap:12px;grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.hall-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.hall-grid{grid-template-columns:1fr}}
.hall-grid img{border-radius:12px;border:1px solid var(--line);box-shadow:0 6px 16px rgba(0,0,0,.08);height:200px;object-fit:cover}

/* Reviews & CTA */
.reviews-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.reviews-badge{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);padding:12px 16px;border-radius:12px;box-shadow:var(--card-shadow)}
.reviews-badge i{color:#F59E0B}
.reviews-badge strong{font-family:Poppins,sans-serif;color:var(--ink)}
.reviews-badge span{color:var(--muted)}
.testimonials{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.chip{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);padding:8px 12px;border-radius:999px;box-shadow:var(--card-shadow)}
.chip img{border-radius:50%}
.button{display:inline-flex;padding:12px 18px;background:var(--secondary);color:#fff;border-radius:12px}
.cta-banner{background:linear-gradient(90deg,var(--primary),#5B76FF);color:#fff;border-radius:18px;padding:18px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;box-shadow:0 10px 26px rgba(67,97,238,.20)}
.cta-banner h3{color:#fff;}
.cta-banner .button{background:var(--secondary)}

/* FAQ */
.faq{background:var(--surface);border-radius:12px;margin:10px 0;border:1px solid var(--line);box-shadow:var(--card-shadow);overflow:hidden}
.faq-q{width:100%;background:#fff;color:var(--ink);text-align:left;border:0;padding:16px 18px;font-weight:800;display:flex;align-items:center;justify-content:space-between;cursor:pointer}
.faq-q i{color:var(--primary);transition:transform .2s}
.faq.open .faq-q i{transform:rotate(180deg)}
.faq-a{padding:0 18px;max-height:0;overflow:hidden;color:var(--muted);border-top:1px solid var(--line);transition:max-height .32s ease,padding .2s ease,opacity .2s ease;will-change:max-height;opacity:.96}
.faq.open .faq-a{padding:14px 18px}
#faq .faq-a ul{margin:8px 0 0 18px}
#faq .faq-a li{margin:4px 0}

/* Contact & Footer */
.social-icons{display:flex;gap:12px;margin-top:10px}
.social-icons a{font-size:1.2rem;width:40px;height:40px;border-radius:10px;display:inline-grid;place-items:center;border:1px solid var(--line)}
.site-footer{border-top:1px solid var(--line);padding:20px 0;background:#fff;color:var(--muted)}

/* Floaters */
.whatsapp-float{position:fixed;right:18px;bottom:18px;width:52px;height:52px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.15);z-index:1000}
.whatsapp-float i{font-size:1.6rem}
.sticky-admissions{position:fixed;right:-52px;top:50%;transform:translateY(-50%) rotate(-90deg);transform-origin:right center;background:var(--secondary);color:#fff;padding:10px 18px;border-radius:10px 10px 0 0;box-shadow:0 10px 24px rgba(0,0,0,.12);font-weight:800;letter-spacing:.3px;z-index:1000;transition:filter .2s,right .2s}
.sticky-admissions:hover{filter:brightness(.95);right:-48px}

/* Progress & Back to top */
.scroll-progress{position:fixed;top:0;left:0;width:100%;height:4px;background:rgba(0,0,0,.04);z-index:1100}
.scroll-progress__bar{width:0%;height:100%;background:linear-gradient(90deg,var(--secondary),#FFA74D);transition:width .08s linear}
.back-to-top{position:fixed;right:86px;bottom:16px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);box-shadow:0 10px 24px rgba(0,0,0,.12);display:grid;place-items:center;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s;z-index:1000}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:1200;padding:16px}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:16px;max-width:560px;width:100%;border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.18);overflow:hidden;color:var(--ink)}
.modal-header{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{margin:0;font-size:1.25rem;color:var(--primary)}
.modal-body{padding:20px}
.modal-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}
.modal-close{background:none;border:0;font-size:1.25rem;cursor:pointer;color:var(--muted)}

/* AOS safe default (visible if JS fails) */
[data-aos]{opacity:1;transition-property:transform,opacity}
[data-aos].aos-init{opacity:0}

/* Responsive text tweaks */
@media (max-width:1000px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:980px){.courses-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:780px){.stats-grid{grid-template-columns:repeat(2,minmax(220px,1fr))}}
@media (max-width:560px){.stats-grid{grid-template-columns:1fr}.hall-grid{grid-template-columns:1fr}}
@media (max-width:768px){.hero-section h1{font-size:clamp(1.8rem,5vw,2.2rem)}.hero-section p{font-size:1rem}}

/* TEST: visible watermark placed above overlay but below heading text */
.hero-content { position: relative; } /* ensure hero-content forms stacking context */

.hero-heading {
  position: relative;
  display: inline-block;
  text-align: center;
}

.hero-heading::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  transform: translate(-50%, -50%);
  background: url('assets/images/logo.png') no-repeat center;
  background-size: 260px;
  opacity: 0.45;         /* temporary larger opacity for testing */
  z-index: 2;            /* ABOVE overlay */
  pointer-events: none;
  border: 2px dashed red; /* temporary visible test border */
}

.hero-title {
  position: relative;
  z-index: 3;            /* ABOVE the watermark */
}