/* =========================================
   FACULTIES PAGE — GLOBAL VARIABLES
   ========================================= */
:root {
  --brand-dark: #0a0514;
  --brand-purple: #5b21b6;
  --brand-magenta: #c026d3;
  --brand-cyan: #06b6d4;
  --text-main: #ffffff;
  --text-muted: #cbd5e1;
  --bg-light: #f8fafc;
  --text-light: #0f172a;
  --text-muted-light: #475569;
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-serif: 'Cormorant Garamond', serif;
} 

body {
  font-family: var(--font-main);
  color: var(--text-main);
  overflow-x: clip;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 5%;
}

.color-mesh {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.purple-blob  { width: 600px; height: 600px; background: radial-gradient(circle, #5b21b6, transparent); top: -10%; left: -10%; }
.cyan-blob    { width: 500px; height: 500px; background: radial-gradient(circle, #0891b2, transparent); top: 40%; right: -15%; }
.magenta-blob { width: 400px; height: 400px; background: radial-gradient(circle, #c026d3, transparent); bottom: 10%; left: 30%; }

/* =========================================
   SCROLL TO TOP
   ========================================= */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand-purple);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 999;
  box-shadow: 0 8px 24px rgba(91, 33, 182, 0.4);
}
.scroll-to-top.visible { opacity: 1; pointer-events: all; }
.scroll-to-top:hover { transform: translateY(-3px); }

/* =========================================
   HERO SECTION
   ========================================= */


   /* --- 1. Hero Section --- */
.fac-hero {
  position: relative;
  /* Locked to the banner image's own ratio (1920x800) so the section's
     height always scales exactly with its width — the image covers with
     zero crop and zero letterbox at any viewport size. If the banner is
     regenerated at a different ratio, update this value to match. */
  aspect-ratio: 1920 / 800;
  box-sizing: border-box;
  background-image: url('../images/optimized/faculty-banner-landscap (2).jpeg');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}

@media (max-width: 900px) {
  .fac-hero {
    background-image: url('../images/optimized/faculty-banner-portrait.png');
    background-position: top center;
    background-size: contain;
    background-repeat: no-repeat;
    background-color: #05020a;
    min-height: 0;
    box-sizing: border-box;
    aspect-ratio: 1454 / 1556;
  }
}

/* Ensure the mesh isn't too tall or overlapping */
.fac-hero .gradient-mesh-bg {
  height: 100vh;
}

.hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
}

.hero-title {
  font-size: clamp(3.5rem, 6vw, 6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -2px;
}

.fac-hero {
  position: relative;
  padding: 180px 0 100px;
  text-align: left;
  z-index: 10;
  overflow: hidden;
}

.fac-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(91, 33, 182, 0.15);
  border: 1px solid rgba(91, 33, 182, 0.3);
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #c4b5fd;
  margin-bottom: 28px;
}
.fac-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #a78bfa;
  box-shadow: 0 0 10px #a78bfa;
  animation: heroPulse 2s ease-in-out infinite;
}
@keyframes heroPulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

.fac-hero-title {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  color: #fff;
  margin-bottom: 24px;
}

.fac-hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}

.fac-hero-scroll-hint {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}
.fac-hero-scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(167,139,250,0.6), transparent);
}

/* =========================================
   GRID SECTION
   ========================================= */
.fac-carousel-section {
  position: relative;
  padding: 80px 0 110px;
  /* background: var(--bg-light); */
  z-index: 10;
  overflow: hidden;
}

.fac-carousel-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  /* background: linear-gradient(90deg, transparent, var(--brand-purple), var(--brand-cyan), transparent); */
}

.fac-sec-header {
  text-align: center;
  margin-bottom: 60px;
}


/* =========================================
   FACULTY GRID
   ========================================= */
.fac-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

/* =========================================
   CARD COLOUR — all cards use brand-cyan
   ========================================= */
.fpc-card {
  --ca: #06b6d4;
  --ca2: #0891b2;
  --cbg: rgba(6, 182, 212, 0.06);
  --cglow: rgba(6, 182, 212, 0.22);
}

/* =========================================
   FACULTY CARD  — photo fills entire card
   ========================================= */
.fpc-card {
  position: relative;
  height: 440px;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0,0,0,0.10);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Gradient top accent bar */
.fpc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ca), var(--ca2));
  z-index: 4;
}

.fpc-card:hover {
  transform: translateY(-8px);
  box-shadow:
    0 28px 60px rgba(0,0,0,0.16),
    0 0 0 1px var(--cglow),
    0 0 50px var(--cglow);
}

/* =========================================
   FULL-BLEED IMAGE
   ========================================= */
.fpc-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--cbg, rgba(91,33,182,0.08)), #111);
}

.fpc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              filter 0.55s ease;
  filter: grayscale(15%) brightness(0.85);
}
.fpc-card:hover .fpc-img img {
  transform: scale(1.08);
  filter: grayscale(0%) brightness(1);
}

.fpc-avatar-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  color: var(--ca, rgba(91,33,182,0.4));
  opacity: 0.3;
}

.fpc-num {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  font-size: 0.75rem;
  font-weight: 900;
  color: #fff;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  letter-spacing: 1px;
}

/* =========================================
   GLASS PANEL — always visible at bottom
   ========================================= */
.fpc-glass {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  padding: 70px 20px 20px;
  background: linear-gradient(
    to top,
    rgba(5, 2, 10, 0.95) 0%,
    rgba(5, 2, 10, 0.55) 65%,
    transparent 100%
  );
  transition: background 0.5s ease;
}
.fpc-card:hover .fpc-glass {
  background: linear-gradient(
    to top,
    rgba(5, 2, 10, 0.98) 0%,
    rgba(5, 2, 10, 0.90) 70%,
    rgba(5, 2, 10, 0.30) 100%
  );
}

/* Name always visible */
.fpc-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin: 0;
}

/* =========================================
   DETAILS — hidden by default, shown on hover
   ========================================= */
.fpc-details {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition:
    grid-template-rows 0.55s cubic-bezier(0.25, 1, 0.5, 1),
    opacity 0.45s ease;
}
.fpc-card:hover .fpc-details {
  grid-template-rows: 1fr;
  opacity: 1;
}

.fpc-details-inner {
  overflow: hidden;
  overflow-y: auto;
  max-height: 240px;
  scrollbar-width: thin;
  scrollbar-color: var(--ca, #7c3aed) transparent;
}
.fpc-details-inner::-webkit-scrollbar { width: 3px; }
.fpc-details-inner::-webkit-scrollbar-track { background: transparent; }
.fpc-details-inner::-webkit-scrollbar-thumb { background: var(--ca, #7c3aed); border-radius: 4px; }

/* =========================================
   QUALIFICATION BLOCK
   ========================================= */
.fpc-block {
  margin-top: 14px;
}

.fpc-block-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--ca, #a78bfa);
  margin-bottom: 7px;
}
.fpc-block-label i { font-size: 0.64rem; }

.fpc-qual {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.80);
  line-height: 1.65;
  border-left: 3px solid var(--ca, #7c3aed);
  padding: 7px 10px 7px 12px;
  background: rgba(255,255,255,0.06);
  border-radius: 0 8px 8px 0;
}

/* =========================================
   ACHIEVEMENTS LIST
   ========================================= */
.fpc-achiev {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fpc-achiev li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.86rem;
  font-weight: 600;
  color: rgba(255,255,255,0.80);
  line-height: 1.45;
}

.fpc-achiev li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ca), var(--ca2));
  margin-top: 5px;
  box-shadow: 0 0 5px var(--cglow, rgba(91,33,182,0.4));
}

/* Tap indicator: injected via JS, hidden outside mobile */
.fpc-tap-indicator {
  display: none;
}

/* =========================================
   SCROLL REVEAL
   ========================================= */
.fac-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fac-reveal.fac-revealed {
  opacity: 1;
  transform: translateY(0);
}
.fac-reveal.fac-revealed:hover {
  transform: translateY(-8px);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .fac-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
}

@media (max-width: 900px) {
  .fac-hero { padding: 150px 0 80px; }
  .fpc-card { height: 400px; }
  /* Always show details on tablet/touch devices */
  .fpc-details { grid-template-rows: 1fr; opacity: 1; }
  .fpc-glass {
    background: linear-gradient(to top, rgba(5,2,10,0.97) 0%, rgba(5,2,10,0.85) 65%, transparent 100%);
  }
}

/* =========================================
   MOBILE — TAP TO EXPAND (max-width: 768px only)
   ========================================= */
@media (max-width: 768px) {
  .fpc-card { cursor: pointer; }

  /* Collapsed by default: details hidden, glass panel compact */
  .fpc-details {
    grid-template-rows: 0fr;
    opacity: 0;
  }
  .fpc-card.fpc-expanded .fpc-details {
    grid-template-rows: 1fr;
    opacity: 1;
  }

  .fpc-glass {
    background: linear-gradient(to top, rgba(5,2,10,0.97) 0%, rgba(5,2,10,0.85) 65%, transparent 100%);
  }
  .fpc-card.fpc-expanded .fpc-glass {
    background: linear-gradient(to top, rgba(5,2,10,0.98) 0%, rgba(5,2,10,0.90) 70%, rgba(5,2,10,0.30) 100%);
  }

  /* Tap indicator */
  .fpc-tap-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--ca, #a78bfa);
    opacity: 0.9;
  }
  .fpc-tap-indicator i {
    font-size: 0.68rem;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  }
  .fpc-card.fpc-expanded .fpc-tap-indicator i {
    transform: rotate(180deg);
  }
}

@media (max-width: 600px) {
  .fac-hero { padding: 130px 0 60px; }
  .fac-hero-title { letter-spacing: -1.5px; }
  .fac-carousel-section { padding: 40px 0 40px; }
  .fac-sec-title { letter-spacing: -1px; }
  .fac-grid { grid-template-columns: 1fr; gap: 18px; }
  .fpc-card { height: 380px; border-radius: 18px; }
  .fpc-name { font-size: 1.2rem; }
  .fpc-details-inner { max-height: 200px; }
}