@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,500;9..144,600;9..144,700&family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ledger-900:#0F211C;
  --ledger-800:#16302A;
  --ledger-700:#1F4137;
  --parchment:#F2EAD6;
  --parchment-dark:#E6DABE;
  --brass:#C79A44;
  --brass-light:#E0B968;
  --teal:#3E7C7C;
  --ink:#14231C;
  --rust:#A5522F;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background-color:var(--parchment);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  background-image:
    radial-gradient(rgba(20,35,28,0.035) 1px, transparent 1px);
  background-size:3px 3px;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

.font-display{font-family:'Fraunces',serif;}
.font-mono, [class*="font-mono"] {
  font-family: 'Inter', sans-serif !important;
  font-weight: 500;
}

.hairline{border-color:rgba(20,35,28,0.18);}
.hairline-brass{border-color:rgba(199,154,68,0.55);}

.eyebrow{
  font-family:'Inter',sans-serif !important;
  font-weight:600;
  letter-spacing:0.18em;
  text-transform:uppercase;
  font-size:0.72rem;
}

.btn-brass{
  background:var(--brass);
  color:var(--ledger-900);
  font-family:'Inter',sans-serif;
  font-weight:600;
  letter-spacing:0.02em;
  transition:transform .18s ease, background .18s ease, box-shadow .18s ease;
  box-shadow:0 1px 0 rgba(20,35,28,0.4);
}
.btn-brass:hover{ background:var(--brass-light); transform:translateY(-1px); }
.btn-brass:focus-visible{ outline:2px solid var(--teal); outline-offset:2px; }

.btn-outline{
  border:1px solid rgba(242,234,214,0.55);
  color:var(--parchment);
  font-family:'Inter',sans-serif;
  transition:background .18s ease, color .18s ease;
}
.btn-outline:hover{ background:rgba(242,234,214,0.1); }
.btn-outline:focus-visible{ outline:2px solid var(--brass-light); outline-offset:2px; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:2px;
}

.ledger-card{
  background:var(--parchment);
  border:1px solid rgba(20,35,28,0.14);
  position:relative;
}
.ledger-card::before{
  content:"";
  position:absolute; inset:0;
  border:1px solid rgba(20,35,28,0.14);
  margin:6px;
  pointer-events:none;
}

.stamp{
  font-family:'Inter',sans-serif;
  font-weight:700;
  border:1.5px solid var(--rust);
  color:var(--rust);
  transform:rotate(-3deg);
  letter-spacing:0.08em;
}

#hero-canvas{ width:100%; height:100%; display:block; }

.nav-link{ position:relative; }
.nav-link::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:-4px; height:1px;
  background:var(--brass);
  transition:right .2s ease;
}
.nav-link:hover::after, .nav-link.active::after{ right:0; }

/* College-style header nav */
header, .header-top-bar, .sticky {
  background-color: var(--ledger-900) !important;
}
.college-logo{
  transition:transform .3s ease, box-shadow .3s ease;
}
.college-logo:hover{
  transform:scale(1.05);
  box-shadow:0 4px 20px rgba(199,154,68,0.3);
}
.header-top-bar{
  background-color: var(--ledger-800) !important;
  font-size:0.7rem;
}
.header-nav-link{
  font-family:'Inter',sans-serif;
  font-weight:500;
  font-size:0.8rem;
  color:var(--parchment);
  opacity:0.75;
  padding:0.65rem 1.1rem;
  letter-spacing:0.04em;
  position:relative;
  transition:opacity .2s ease, color .2s ease, background .2s ease;
  text-transform:uppercase;
}

/* Explicit native CSS utility classes for reliable custom colors */
.bg-ledger-900 { background-color: var(--ledger-900) !important; }
.bg-ledger-800 { background-color: var(--ledger-800) !important; }
.bg-parchment { background-color: var(--parchment) !important; }
.bg-parchment-dark { background-color: var(--parchment-dark) !important; }
.bg-brass { background-color: var(--brass) !important; }
.text-parchment { color: var(--parchment) !important; }
.text-brass { color: var(--brass) !important; }
.text-ledger-900 { color: var(--ledger-900) !important; }
.text-teal { color: var(--teal) !important; }
.text-rust { color: var(--rust) !important; }
.text-ink { color: var(--ink) !important; }
.text-parchment\/70 { color: rgba(242, 234, 214, 0.7) !important; }
.border-brass\/20 { border-color: rgba(199, 154, 68, 0.2) !important; }
.border-brass\/15 { border-color: rgba(199, 154, 68, 0.15) !important; }

.header-nav-link:hover{
  opacity:1;
  background:rgba(199,154,68,0.08);
}
.header-nav-link.active{
  opacity:1;
  color:var(--brass);
}
.header-nav-link.active::after{
  content:'';
  position:absolute;
  bottom:0; left:1rem; right:1rem;
  height:2px;
  background:var(--brass);
  border-radius:2px 2px 0 0;
}
.header-nav-link.highlight{
  color:var(--ledger-900);
  background:var(--brass);
  opacity:1;
  font-weight:500;
  border-radius:4px;
  margin:0.35rem 0;
  padding:0.4rem 1rem;
}
.header-nav-link.highlight:hover{
  background:var(--brass-light);
}

.marquee-track{
  animation:marquee 32s linear infinite;
}
@keyframes marquee{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}
@media (prefers-reduced-motion: reduce){
  .marquee-track{ animation:none; }
}

.num-counter{ font-variant-numeric:tabular-nums; }

::selection{ background:var(--brass); color:var(--ledger-900); }

/* ===== PREMIUM MOBILE NAVIGATION ===== */
.mobile-menu{
  position:fixed;
  top:0; left:0; right:0; bottom:0;
  z-index:100;
  background:rgba(15,33,28,0.97);
  backdrop-filter:blur(20px) saturate(1.6);
  -webkit-backdrop-filter:blur(20px) saturate(1.6);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:0;
  opacity:0;
  visibility:hidden;
  transition:opacity .35s cubic-bezier(.22,.68,0,1), visibility .35s;
}
.mobile-menu.open{
  opacity:1;
  visibility:visible;
}
.mobile-menu a{
  font-family:'Fraunces',serif;
  font-size:1.75rem;
  color:var(--parchment);
  opacity:0;
  transform:translateY(20px);
  transition:opacity .3s ease, transform .3s ease, color .18s ease;
  padding:0.75rem 1.5rem;
  position:relative;
}
.mobile-menu.open a{
  opacity:1;
  transform:translateY(0);
}
.mobile-menu.open a:nth-child(1){ transition-delay:.08s; }
.mobile-menu.open a:nth-child(2){ transition-delay:.14s; }
.mobile-menu.open a:nth-child(3){ transition-delay:.20s; }
.mobile-menu.open a:nth-child(4){ transition-delay:.26s; }
.mobile-menu.open a:nth-child(5){ transition-delay:.32s; }
.mobile-menu a:hover,
.mobile-menu a:active{
  color:var(--brass);
}
.mobile-menu a::after{
  content:'';
  position:absolute;
  bottom:0.5rem; left:1.5rem; right:1.5rem;
  height:1px;
  background:var(--brass);
  transform:scaleX(0);
  transition:transform .25s ease;
  transform-origin:left;
}
.mobile-menu a:hover::after{ transform:scaleX(1); }

/* Animated hamburger */
.hamburger{
  width:26px; height:20px;
  position:relative;
  cursor:pointer;
  background:none; border:none;
  padding:0;
  z-index:110;
}
.hamburger span{
  display:block;
  position:absolute;
  height:2px;
  width:100%;
  background:var(--parchment);
  border-radius:2px;
  left:0;
  transition:transform .3s cubic-bezier(.22,.68,0,1), opacity .2s ease, top .3s ease, width .3s ease;
}
.hamburger span:nth-child(1){ top:0; }
.hamburger span:nth-child(2){ top:9px; width:70%; }
.hamburger span:nth-child(3){ top:18px; width:85%; }
.hamburger.active span:nth-child(1){
  top:9px;
  transform:rotate(45deg);
}
.hamburger.active span:nth-child(2){
  opacity:0;
  width:0;
}
.hamburger.active span:nth-child(3){
  top:9px;
  width:100%;
  transform:rotate(-45deg);
}

/* ===== 3D showcase carousel ===== */
.showcase{ perspective:1400px; }
.showcase-slide{
  position:absolute; inset:0;
  opacity:0;
  transform:rotateY(-90deg) translateZ(40px);
  transform-style:preserve-3d;
  backface-visibility:hidden;
  transition:transform .9s cubic-bezier(.22,.68,0,1), opacity .6s ease;
  pointer-events:none;
  overflow:hidden;
}
.showcase-slide.active{
  opacity:1;
  transform:rotateY(0deg) translateZ(0);
  pointer-events:auto;
  z-index:10;
}
.showcase-slide.prev{ transform:rotateY(90deg) translateZ(40px); }

/* Slide background images */
.showcase-slide .slide-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  transition:transform 8s ease;
}
.showcase-slide.active .slide-bg{
  transform:scale(1.06);
}
.showcase-slide .slide-overlay{
  position:absolute; inset:0;
  background:linear-gradient(135deg, rgba(15,33,28,0.82) 0%, rgba(15,33,28,0.45) 100%);
  z-index:1;
}
.showcase-slide .slide-content{
  position:relative;
  z-index:2;
}

.showcase-dot{
  width:8px; height:8px; border-radius:999px;
  background:rgba(242,234,214,0.35);
  transition:background .2s ease, width .2s ease;
  border:none; cursor:pointer;
}
.showcase-dot.active{ background:var(--brass); width:22px; border-radius:999px; }

/* ===== Yellow ticker ===== */
.ticker-wrap{ background:#F0C020; overflow:hidden; }
.ticker-track{
  display:flex; white-space:nowrap; width:max-content;
  animation:ticker 22s linear infinite;
}
@media (prefers-reduced-motion: reduce){ .ticker-track{ animation:none; } }
@keyframes ticker{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ===== Campus Gallery ===== */
.campus-gallery{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:1.25rem;
}
.gallery-card{
  position:relative;
  border-radius:8px;
  overflow:hidden;
  aspect-ratio:4/3;
  cursor:pointer;
  box-shadow:0 4px 20px rgba(15,33,28,0.2);
}
.gallery-card img{
  width:100%; height:100%;
  object-fit:cover;
  transition:transform .6s cubic-bezier(.22,.68,0,1), filter .4s ease;
}
.gallery-card:hover img{
  transform:scale(1.08);
  filter:brightness(1.1);
}
.gallery-card .card-overlay{
  position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(15,33,28,0.8) 0%, rgba(15,33,28,0) 60%);
  display:flex;
  align-items:flex-end;
  padding:1.25rem;
  transition:background .3s ease;
}
.gallery-card:hover .card-overlay{
  background:linear-gradient(0deg, rgba(15,33,28,0.9) 0%, rgba(15,33,28,0.15) 70%);
}
.gallery-card .card-label{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.8rem;
  color:var(--parchment);
  letter-spacing:0.06em;
  font-weight:500;
  transform:translateY(6px);
  opacity:0.85;
  transition:transform .3s ease, opacity .3s ease;
}
.gallery-card:hover .card-label{
  transform:translateY(0);
  opacity:1;
}

/* Gallery flip-through animation */
.gallery-card{
  opacity:0;
  transform:perspective(800px) rotateY(-15deg) translateX(-30px);
  transition:opacity .6s ease, transform .7s cubic-bezier(.22,.68,0,1);
}
.gallery-card.revealed{
  opacity:1;
  transform:perspective(800px) rotateY(0) translateX(0);
}
.gallery-card:nth-child(1){ transition-delay:.05s; }
.gallery-card:nth-child(2){ transition-delay:.15s; }
.gallery-card:nth-child(3){ transition-delay:.25s; }
.gallery-card:nth-child(4){ transition-delay:.35s; }
.gallery-card:nth-child(5){ transition-delay:.45s; }

/* ===== Secretary / Director card ===== */
.secretary-card{
  position:relative;
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 8px 30px rgba(15,33,28,0.25);
}
.secretary-card img{
  width:100%; height:100%;
  object-fit:cover;
  transition:transform .8s cubic-bezier(.22,.68,0,1);
}
.secretary-card:hover img{
  transform:scale(1.04);
}
.secretary-card .card-info{
  position:absolute;
  bottom:0; left:0; right:0;
  padding:1.5rem;
  background:linear-gradient(0deg, rgba(15,33,28,0.9) 0%, transparent 100%);
}

/* ===== Image lightbox overlay ===== */
.lightbox{
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(15,33,28,0.95);
  backdrop-filter:blur(12px);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transition:opacity .35s ease, visibility .35s;
  cursor:zoom-out;
}
.lightbox.open{
  opacity:1;
  visibility:visible;
}
.lightbox img{
  max-width:90vw;
  max-height:85vh;
  object-fit:contain;
  border-radius:6px;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
  transform:scale(0.9);
  transition:transform .4s cubic-bezier(.22,.68,0,1);
}
.lightbox.open img{
  transform:scale(1);
}
.lightbox-close{
  position:absolute;
  top:1.5rem; right:1.5rem;
  width:44px; height:44px;
  border-radius:999px;
  background:rgba(199,154,68,0.2);
  border:1px solid rgba(199,154,68,0.4);
  color:var(--parchment);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .2s ease;
}
.lightbox-close:hover{ background:rgba(199,154,68,0.4); }
.lightbox-nav{
  position:absolute;
  top:50%; transform:translateY(-50%);
  width:48px; height:48px;
  border-radius:999px;
  background:rgba(199,154,68,0.15);
  border:1px solid rgba(199,154,68,0.3);
  color:var(--parchment);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .2s ease, transform .2s ease;
  font-size:1.2rem;
}
.lightbox-nav:hover{ background:rgba(199,154,68,0.35); }
.lightbox-nav.prev{ left:1.5rem; }
.lightbox-nav.next{ right:1.5rem; }

/* ===== Floating social / WhatsApp widget ===== */
.fab-stack{ display:flex; flex-direction:column; align-items:flex-end; gap:0.65rem; }
.fab-item{
  width:44px; height:44px; border-radius:999px;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 14px rgba(15,33,28,0.35);
  transform:translateY(12px) scale(0.6);
  opacity:0;
  pointer-events:none;
  transition:transform .28s ease, opacity .22s ease;
}
.fab-menu.open .fab-item{
  transform:translateY(0) scale(1);
  opacity:1;
  pointer-events:auto;
}
.fab-menu.open .fab-item:nth-child(1){ transition-delay:.02s; }
.fab-menu.open .fab-item:nth-child(2){ transition-delay:.06s; }
.fab-menu.open .fab-item:nth-child(3){ transition-delay:.10s; }
.fab-menu.open .fab-item:nth-child(4){ transition-delay:.14s; }
.fab-menu.open .fab-item:nth-child(5){ transition-delay:.18s; }
.fab-menu.open .fab-item:nth-child(6){ transition-delay:.22s; }
.fab-toggle{
  width:56px; height:56px; border-radius:999px;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 20px rgba(15,33,28,0.4);
  transition:transform .25s ease, background .2s ease;
}
.fab-toggle:hover{ transform:scale(1.06); }
.fab-toggle .icon-close{ display:none; }
.fab-menu.open .fab-toggle .icon-open{ display:none; }
.fab-menu.open .fab-toggle .icon-close{ display:block; }
.fab-menu.open .fab-toggle{ transform:rotate(90deg); }

/* ===== AICTE badge ===== */
.aicte-badge{
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
  padding:0.4rem 1rem;
  border:1px solid rgba(199,154,68,0.4);
  border-radius:999px;
  background:rgba(199,154,68,0.08);
  font-family:'Inter',sans-serif;
  font-size:0.72rem;
  letter-spacing:0.06em;
  color:var(--brass);
  animation:badgePulse 3s ease-in-out infinite;
}
@keyframes badgePulse{
  0%,100%{ box-shadow:0 0 0 0 rgba(199,154,68,0.15); }
  50%{ box-shadow:0 0 0 8px rgba(199,154,68,0); }
}

/* ===== Scroll reveal utility ===== */
.reveal-up{
  opacity:0;
  transform:translateY(30px);
  transition:opacity .7s ease, transform .7s cubic-bezier(.22,.68,0,1);
}
.reveal-up.revealed{
  opacity:1;
  transform:translateY(0);
}

/* ===== Highlight & Colorful Course Cards ===== */
.course-card-bca {
  background: linear-gradient(135deg, var(--ledger-800) 0%, var(--teal) 100%) !important;
  color: var(--parchment) !important;
  border: 1px solid rgba(199, 154, 68, 0.4) !important;
  box-shadow: 0 10px 30px rgba(62, 124, 124, 0.15) !important;
}
.course-card-bca h3, .course-card-bca p, .course-card-bca span, .course-card-bca font {
  color: var(--parchment) !important;
}
.course-card-bca a, .course-card-bca .text-rust {
  color: var(--brass-light) !important;
}
.course-card-bca::before {
  border-color: rgba(199, 154, 68, 0.25) !important;
}

.course-card-bba {
  background: linear-gradient(135deg, var(--rust) 0%, #7d3314 100%) !important;
  color: var(--parchment) !important;
  border: 1px solid rgba(242, 234, 214, 0.3) !important;
  box-shadow: 0 10px 30px rgba(165, 82, 47, 0.15) !important;
}
.course-card-bba h3, .course-card-bba p, .course-card-bba span, .course-card-bba font {
  color: var(--parchment) !important;
}
.course-card-bba a, .course-card-bba .text-rust {
  color: var(--brass-light) !important;
}
.course-card-bba::before {
  border-color: rgba(242, 234, 214, 0.2) !important;
}