:root {
  --ink-950: #081324;
  --ink-900: #0f2039;
  --ink-800: #1a314f;
  --charcoal: #171a21;
  --paper: #f5f1e8;
  --paper-muted: #dfd3ba;
  --gold: #c79c52;
  --amber: #e3bb74;
  --line: rgba(255, 255, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.24);
  --heading: "Cormorant Garamond", Georgia, serif;
  --body: "Manrope", "Segoe UI", sans-serif;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.42);
  --shadow-md: 0 16px 34px rgba(0, 0, 0, 0.28);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body);
  color: var(--paper);
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 8%, rgba(199, 156, 82, 0.16), transparent 36%),
    radial-gradient(circle at 85% 2%, rgba(107, 143, 191, 0.22), transparent 34%),
    linear-gradient(165deg, var(--ink-950), var(--charcoal));
}

.bg-grid,
.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.bg-grid {
  opacity: 0.28;
  background:
    repeating-linear-gradient(
      60deg,
      transparent 0 56px,
      rgba(255, 255, 255, 0.04) 56px 58px
    ),
    repeating-linear-gradient(
      -32deg,
      transparent 0 48px,
      rgba(199, 156, 82, 0.07) 48px 50px
    );
}

.bg-noise {
  opacity: 0.14;
  background-image: radial-gradient(rgba(255, 255, 255, 0.5) 0.5px, transparent 0.5px);
  background-size: 3px 3px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 4.8vw;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 18, 33, 0.82);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.44);
  background: #fff;
}

.brand-copy {
  display: grid;
  gap: 0.1rem;
}

.brand-copy strong {
  font-family: var(--heading);
  font-size: 1.38rem;
  letter-spacing: 0.06em;
}

.brand-copy small {
  font-size: 0.7rem;
  color: var(--paper-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex: 1;
  margin-left: 1.6rem;
}

.mobile-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
  color: var(--paper);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-nav-toggle .line {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 220ms ease, opacity 220ms ease;
}

.mobile-nav-toggle[aria-expanded="true"] .line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] .line:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav[hidden],
.mobile-nav-scrim[hidden] {
  display: none;
}

.mobile-nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 34;
  background: rgba(2, 7, 15, 0.48);
  backdrop-filter: blur(2px);
}

body.mobile-nav-open {
  overflow: hidden;
}

.mobile-nav {
  position: fixed;
  left: 4vw;
  right: 4vw;
  top: 74px;
  z-index: 35;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background:
    radial-gradient(circle at top right, rgba(227, 187, 116, 0.18), transparent 44%),
    rgba(9, 18, 31, 0.96);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  padding: 0.48rem;
  display: grid;
  gap: 0.34rem;
}

.mobile-nav-link {
  display: block;
  text-decoration: none;
  color: var(--paper);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.68rem 0.72rem;
  font-size: 0.92rem;
}

.mobile-nav-link:hover,
.mobile-nav-link:focus-visible {
  color: var(--paper);
  border-color: rgba(227, 187, 116, 0.66);
  background: rgba(227, 187, 116, 0.12);
  outline: none;
}

.main-nav a {
  flex: 0 0 auto;
  position: relative;
  padding: 0 0.9rem;
  text-align: center;
  color: var(--paper);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 220ms ease;
}

.main-nav a + a::before {
  content: "|";
  position: absolute;
  left: -0.08rem;
  color: rgba(255, 255, 255, 0.34);
  pointer-events: none;
}

.main-nav a:hover {
  color: var(--amber);
}

.section {
  width: min(1180px, 92vw);
  margin: 0 auto;
  padding: 5.2rem 0 3.8rem;
}

.section-head {
  max-width: 820px;
  margin-bottom: 1.6rem;
}

.eyebrow {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--amber);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--heading);
  letter-spacing: 0.012em;
}

h1 {
  font-size: clamp(2.35rem, 5vw, 4.25rem);
  line-height: 1.04;
}

h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.9rem);
  line-height: 1.1;
}

h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.85rem);
}

p {
  margin-top: 0;
  line-height: 1.62;
}

.btn {
  border: 0;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.74rem 1.34rem;
  transition:
    transform 280ms cubic-bezier(0.2, 1.1, 0.26, 1.15),
    box-shadow 260ms ease,
    background-color 200ms ease,
    color 200ms ease;
}

.btn:hover {
  transform: translateY(-2px) scale(1.01);
}

.btn:active {
  transform: translateY(0) scale(0.99);
}

.btn-primary {
  background: linear-gradient(125deg, var(--gold), var(--amber));
  color: #13171f;
  box-shadow: 0 12px 24px rgba(199, 156, 82, 0.33);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--paper-muted);
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.hero {
  padding-top: 3.6rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 1.3rem;
  align-items: stretch;
}

.hero-subcopy {
  color: #d2d8e3;
  max-width: 58ch;
  margin: 1rem 0 0;
}

.hero-actions {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-topic-tags {
  margin-top: 1.05rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.hero-topic-tags span {
  font-size: 0.67rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(8, 14, 25, 0.56);
  padding: 0.25rem 0.56rem;
}

.hero-visual {
  position: relative;
  min-height: 470px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.split {
  position: relative;
  background-size: cover;
  background-position: center;
}

.split span {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(8, 13, 20, 0.6);
  padding: 0.28rem 0.6rem;
}

.legacy-shot {
  background-image:
    linear-gradient(rgba(10, 12, 16, 0.3), rgba(10, 12, 16, 0.36)),
    url("https://jadavpuruniversity.in/storage/2021/03/JadavpurVarsity-gigapixel-standard-scale-2_00x.jpg");
  filter: grayscale(1) contrast(1.08);
}

.modern-shot {
  background-image:
    linear-gradient(rgba(23, 38, 60, 0.26), rgba(16, 26, 40, 0.36)),
    url("https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=1200&q=80");
}

.split-divider {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, transparent, rgba(227, 187, 116, 0.95), transparent);
  animation: pulseLine 4.8s ease-in-out infinite;
}

@keyframes pulseLine {
  0%,
  100% {
    opacity: 0.48;
  }
  50% {
    opacity: 1;
  }
}

.mobius-wrap {
  position: absolute;
  right: -18px;
  top: 18px;
  width: 132px;
  height: 132px;
  perspective: 700px;
}

.mobius-ring {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid rgba(227, 187, 116, 0.9);
  box-shadow:
    0 0 20px rgba(227, 187, 116, 0.55),
    inset 0 0 16px rgba(227, 187, 116, 0.28);
  transform-style: preserve-3d;
  animation: mobiusSpin 10.6s linear infinite;
}

.mobius-ring::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 246, 224, 0.82);
  transform: rotateX(76deg) rotateY(18deg);
}

@keyframes mobiusSpin {
  from {
    transform: rotateX(68deg) rotateY(0deg) rotateZ(0deg);
  }
  to {
    transform: rotateX(68deg) rotateY(360deg) rotateZ(360deg);
  }
}

.ticker {
  margin-top: 1.25rem;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(9, 16, 27, 0.6);
}

.ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 1.7rem;
  white-space: nowrap;
  padding: 0.78rem 0;
  animation: tickerMove 28s linear infinite;
}

.ticker-track span {
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f2e2c0;
}

@keyframes tickerMove {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.nodes-bridge {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 1rem;
  align-items: center;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background:
    radial-gradient(circle at top right, rgba(227, 187, 116, 0.16), transparent 44%),
    linear-gradient(150deg, rgba(10, 20, 34, 0.92), rgba(15, 22, 33, 0.9));
  padding: 1rem;
}

.nodes-copy p {
  color: #d4dbe8;
}

.nodes-visual {
  position: relative;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(6, 13, 24, 0.6);
  min-height: 280px;
  overflow: hidden;
}

.nodes-links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.node-link {
  --link-delay: 0s;
  stroke: rgba(227, 187, 116, 0.72);
  stroke-width: 1.1;
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
  opacity: 0;
}

.node-link:nth-child(1) { --link-delay: 0.04s; }
.node-link:nth-child(2) { --link-delay: 0.08s; }
.node-link:nth-child(3) { --link-delay: 0.12s; }
.node-link:nth-child(4) { --link-delay: 0.16s; }
.node-link:nth-child(5) { --link-delay: 0.2s; }
.node-link:nth-child(6) { --link-delay: 0.24s; }
.node-link:nth-child(7) { --link-delay: 0.28s; }
.node-link:nth-child(8) { --link-delay: 0.32s; }
.node-link:nth-child(9) { --link-delay: 0.36s; }
.node-link:nth-child(10) { --link-delay: 0.4s; }

.node-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
  background: #f6d9a5;
  box-shadow:
    0 0 10px rgba(227, 187, 116, 0.66),
    0 0 20px rgba(227, 187, 116, 0.3);
  animation: nodeDrift 4.8s ease-in-out infinite alternate;
  animation-delay: var(--node-delay, 0s);
}

.node-dot-1 { --node-delay: 0.2s; --node-phase: 0.02s; }
.node-dot-2 { --node-delay: 0.8s; --node-phase: 0.06s; }
.node-dot-3 { --node-delay: 0.4s; --node-phase: 0.1s; }
.node-dot-4 { --node-delay: 1.1s; --node-phase: 0.14s; }
.node-dot-5 { --node-delay: 0.5s; --node-phase: 0.18s; }
.node-dot-6 { --node-delay: 0.9s; --node-phase: 0.22s; }
.node-dot-7 { --node-delay: 0.3s; --node-phase: 0.26s; }
.node-dot-8 { --node-delay: 0.7s; --node-phase: 0.3s; }
.node-dot-9 { --node-delay: 0.6s; --node-phase: 0.34s; }
.node-dot-10 { --node-delay: 1.3s; --node-phase: 0.38s; }

.node-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
}

.node-center-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  background: radial-gradient(circle at 35% 35%, #fff2d4, #c79c52 70%);
  box-shadow: 0 0 22px rgba(227, 187, 116, 0.6);
}

.node-center-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(227, 187, 116, 0.72);
  transform: translate(-50%, -50%) scale(0.4);
  opacity: 0;
}

.node-center-ring-alt {
  border-color: rgba(255, 228, 176, 0.74);
}

.node-center-text {
  position: absolute;
  left: 50%;
  top: 58%;
  transform: translate(-50%, -50%) scale(0.95);
  text-align: center;
  opacity: 0;
}

.node-center-text strong {
  display: block;
  font-family: var(--heading);
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  color: #f2d8a8;
}

.node-center-text span {
  display: block;
  margin-top: 0.12rem;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f0e4cf;
}

.reveal.is-visible .node-dot {
  animation: nodeConvergeLoop 11.5s cubic-bezier(0.18, 0.86, 0.2, 1) infinite;
  animation-delay: var(--node-phase, 0s);
}

.reveal.is-visible .node-link {
  animation: nodeLinkLoop 11.5s ease-in-out var(--link-delay) infinite;
}

.reveal.is-visible .node-center-core {
  animation: centerCoreCycle 11.5s ease-in-out infinite;
}

.reveal.is-visible .node-center-ring {
  animation: centerRingCycle 11.5s ease-out infinite;
}

.reveal.is-visible .node-center-ring-alt {
  animation-delay: 0.58s;
}

.reveal.is-visible .node-center-text {
  animation: centerTextCycle 11.5s ease-in-out infinite;
}

@keyframes nodeDrift {
  from {
    transform: translate(-50%, -50%) translate(0, 0);
  }
  to {
    transform: translate(-50%, -50%) translate(var(--dx), var(--dy));
  }
}

@keyframes nodeConvergeLoop {
  0%,
  16%,
  64%,
  100% {
    left: var(--x);
    top: var(--y);
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.95;
  }
  28%,
  48% {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.42);
    opacity: 0.92;
  }
}

@keyframes nodeLinkLoop {
  0% {
    stroke-dashoffset: 420;
    opacity: 0;
  }
  18% {
    stroke-dashoffset: 420;
    opacity: 0;
  }
  32% {
    stroke-dashoffset: 0;
    opacity: 0.62;
  }
  50% {
    stroke-dashoffset: 0;
    opacity: 0.45;
  }
  66%,
  100% {
    stroke-dashoffset: 420;
    opacity: 0;
  }
}

@keyframes centerCoreCycle {
  0%,
  16%,
  64%,
  100% {
    transform: translate(-50%, -50%) scale(0.94);
    box-shadow: 0 0 16px rgba(227, 187, 116, 0.4);
  }
  32% {
    transform: translate(-50%, -50%) scale(1.3);
    box-shadow: 0 0 30px rgba(227, 187, 116, 0.78);
  }
  46% {
    transform: translate(-50%, -50%) scale(1.16);
    box-shadow: 0 0 24px rgba(227, 187, 116, 0.62);
  }
}

@keyframes centerRingCycle {
  0% {
    transform: translate(-50%, -50%) scale(0.42);
    opacity: 0;
  }
  24% {
    opacity: 0.75;
  }
  42% {
    transform: translate(-50%, -50%) scale(3.3);
    opacity: 0;
  }
  100% {
    transform: translate(-50%, -50%) scale(0.42);
    opacity: 0;
  }
}

@keyframes centerTextCycle {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.92);
  }
  28%,
  54% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  68%,
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.96);
  }
}

.tri-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.glass-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  backdrop-filter: blur(8px);
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.event-meta,
.schedule-grid,
.ticket-grid {
  display: grid;
  gap: 0.95rem;
}

.event-meta {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.meta-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(8, 14, 23, 0.62);
  padding: 0.9rem;
}

.meta-card p {
  margin: 0 0 0.25rem;
  color: #c6cfe0;
}

.meta-card strong {
  color: #f2e2c1;
  line-height: 1.35;
}

.schedule-grid {
  margin-top: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.schedule-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(20, 27, 39, 0.82);
  padding: 1rem;
}

.slot-time {
  margin-bottom: 0.28rem;
  color: var(--amber);
  font-size: 0.76rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.ticket-grid {
  margin-top: 1.2rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ticket-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: linear-gradient(160deg, rgba(12, 22, 36, 0.9), rgba(18, 24, 34, 0.88));
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.ticket-card > * {
  position: relative;
  z-index: 1;
}

.sweep-pass-card {
  isolation: isolate;
}

.sweep-pass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  will-change: transform, opacity;
  background: linear-gradient(
    90deg,
    rgba(227, 187, 116, 0.08) 0%,
    rgba(227, 187, 116, 0.26) 24%,
    rgba(227, 187, 116, 0.56) 50%,
    rgba(227, 187, 116, 0.34) 76%,
    rgba(227, 187, 116, 0.1) 100%
  );
  transform-origin: left center;
  transform: scaleX(0.001);
  transition:
    transform 1900ms cubic-bezier(0.16, 0.84, 0.2, 1),
    opacity 260ms ease;
}

.sweep-pass-card:has(.reserve-pass-btn:hover)::before,
.sweep-pass-card:has(.reserve-pass-btn:focus-visible)::before {
  transform: scaleX(1);
  opacity: 0.88;
}

.alumni-pass-card {
  border: 1px solid rgba(227, 187, 116, 0.84);
}

.student-pass-card {
  border: 1px solid rgba(227, 187, 116, 0.86);
}

.reserve-alumni-btn {
  border: 1px solid rgba(227, 187, 116, 0.92);
  box-shadow:
    0 10px 20px rgba(199, 156, 82, 0.3),
    inset 0 0 0 1px rgba(255, 235, 190, 0.2);
}

.reserve-student-btn {
  border: 1px solid rgba(227, 187, 116, 0.94);
  box-shadow:
    0 10px 20px rgba(199, 156, 82, 0.32),
    inset 0 0 0 1px rgba(255, 235, 190, 0.24);
}

.student-pass-card:has(.reserve-student-btn:hover),
.student-pass-card:has(.reserve-student-btn:focus-visible) {
  box-shadow:
    0 16px 32px rgba(199, 156, 82, 0.2),
    0 0 0 1px rgba(227, 187, 116, 0.36);
}

.ticket-card.featured {
  outline: 1px solid rgba(227, 187, 116, 0.86);
  background:
    linear-gradient(160deg, rgba(18, 26, 37, 0.92), rgba(24, 32, 45, 0.9)),
    radial-gradient(circle at top right, rgba(227, 187, 116, 0.2), transparent 58%);
}

.ticket-type {
  margin: 0 0 0.26rem;
  color: #f2d8a8;
  font-size: 0.76rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.ticket-card ul {
  margin: 0.78rem 0 1rem;
  padding-left: 1.1rem;
  color: #d6dbe5;
}

.ticket-card li + li {
  margin-top: 0.34rem;
}

.wall-wrap {
  margin-top: 1.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(8, 14, 22, 0.64);
  padding: 1rem;
}

.wall-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.wall-head p {
  margin: 0;
  color: #ccd4e4;
}

.wall-filter {
  display: grid;
  gap: 0.28rem;
  min-width: 180px;
  font-size: 0.74rem;
  color: #d9e0ec;
}

.wall-filter span {
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.wall-filter select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(8, 14, 23, 0.74);
  color: var(--paper);
  padding: 0.52rem 0.6rem;
  font-family: inherit;
  font-size: 0.86rem;
}

.wall-filter select:focus {
  outline: 2px solid rgba(227, 187, 116, 0.52);
  outline-offset: 1px;
}

.coming-wall {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 0.72rem;
}

.person-card {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  grid-template-columns: 45px 1fr;
  align-items: center;
  gap: 0.6rem;
  padding: 0.72rem;
  transition: transform 240ms cubic-bezier(0.18, 0.88, 0.32, 1.18);
}

.person-card:hover {
  transform: translateY(-2px) scale(1.01);
}

.avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.92rem;
  font-weight: 700;
  color: #131923;
  background: linear-gradient(140deg, var(--amber), #f4d7a4);
}

.person-meta strong {
  display: block;
  font-size: 0.88rem;
}

.person-meta span {
  font-size: 0.76rem;
  color: #d0d7e5;
}

.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.filters label,
.sponsor-forms label,
.chalk-form label {
  font-size: 0.8rem;
  color: #d9e0ec;
  display: grid;
  gap: 0.3rem;
}

.filters select,
.filters input,
.sponsor-forms input,
.sponsor-forms textarea,
.chalk-form input,
.chalk-form textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(8, 14, 23, 0.74);
  color: var(--paper);
  padding: 0.57rem 0.62rem;
  font-family: inherit;
  font-size: 0.88rem;
}

.filters select:focus,
.filters input:focus,
.sponsor-forms input:focus,
.sponsor-forms textarea:focus,
.chalk-form input:focus,
.chalk-form textarea:focus {
  outline: 2px solid rgba(227, 187, 116, 0.52);
  outline-offset: 1px;
}

.directory-results {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.8rem;
}

.directory-card {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.9rem;
}

.directory-card p {
  margin: 0.16rem 0;
  font-size: 0.85rem;
  color: #d0d8e6;
}

.directory-empty {
  border: 1px dashed rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  padding: 1rem;
  color: #d7dfec;
  grid-column: 1 / -1;
}

.faculty-filters {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 0.8rem;
}

.faculty-filters label {
  font-size: 0.8rem;
  color: #d9e0ec;
  display: grid;
  gap: 0.3rem;
}

.faculty-filters input,
.faculty-filters select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(8, 14, 23, 0.74);
  color: var(--paper);
  padding: 0.57rem 0.62rem;
  font-family: inherit;
  font-size: 0.88rem;
}

.faculty-filters input:focus,
.faculty-filters select:focus {
  outline: 2px solid rgba(227, 187, 116, 0.52);
  outline-offset: 1px;
}

.faculty-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.92rem;
}

.faculty-card {
  position: relative;
  overflow: visible;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background:
    radial-gradient(circle at top right, rgba(227, 187, 116, 0.18), transparent 42%),
    linear-gradient(160deg, rgba(12, 22, 37, 0.96), rgba(14, 21, 33, 0.9));
  padding: 0.95rem;
  box-shadow: var(--shadow-md);
  transition:
    border-color 240ms ease,
    transform 240ms ease,
    box-shadow 260ms ease;
}

.faculty-card:hover {
  transform: translateY(-4px);
  border-color: rgba(227, 187, 116, 0.72);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.38);
}

.faculty-card-hod {
  border-color: rgba(227, 187, 116, 0.92);
  box-shadow:
    0 18px 34px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(227, 187, 116, 0.28);
}

.faculty-card-hod:hover {
  border-color: rgba(240, 206, 143, 1);
  box-shadow:
    0 24px 40px rgba(0, 0, 0, 0.42),
    0 0 0 1px rgba(227, 187, 116, 0.44),
    0 0 24px rgba(227, 187, 116, 0.25);
}

.faculty-hod-badge {
  margin: 0.14rem 0 0.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border-radius: 999px;
  border: 1px solid rgba(227, 187, 116, 0.72);
  background: rgba(227, 187, 116, 0.16);
  color: #f5d8a4;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
}

.faculty-card h3 {
  margin-top: 0.36rem;
  font-size: 1.55rem;
}

.faculty-designation {
  margin: 0.2rem 0 0.4rem;
  font-size: 0.87rem;
  color: #d2d9e7;
}

.faculty-role-chip {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--amber);
}

.faculty-photo-wrap {
  position: relative;
  width: 66px;
  height: 66px;
}

.faculty-photo {
  width: 66px;
  height: 66px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.7);
  object-fit: cover;
  background: #1a2330;
}

.faculty-preview {
  position: absolute;
  left: 74px;
  top: -18px;
  z-index: 6;
  width: 178px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(9, 17, 29, 0.96);
  box-shadow: 0 22px 34px rgba(0, 0, 0, 0.48);
  padding: 0.45rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px) scale(0.95);
  transition: opacity 220ms ease, transform 220ms ease;
}

.faculty-preview img {
  width: 100%;
  height: 160px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
}

.faculty-preview span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  color: #e3e9f4;
  text-align: center;
}

.faculty-card:hover .faculty-preview,
.faculty-card:focus-within .faculty-preview {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.faculty-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.62rem 0 0;
}

.faculty-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
  color: #e8eef8;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  padding: 0.23rem 0.55rem;
  font-size: 0.72rem;
  max-width: 100%;
}

.faculty-chip:hover {
  border-color: rgba(227, 187, 116, 0.7);
  color: #edf3ff;
}

.faculty-actions {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.faculty-actions .btn {
  font-size: 0.77rem;
  padding: 0.46rem 0.84rem;
}

.faculty-action-btn {
  gap: 0.42rem;
}

.faculty-action-icon {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform-origin: center;
  transition: transform 220ms ease, filter 220ms ease;
}

.faculty-action-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.faculty-action-btn:hover .faculty-action-icon,
.faculty-action-btn:focus-visible .faculty-action-icon {
  transform: rotate(10deg) translateX(2px);
  filter: drop-shadow(0 0 8px rgba(227, 187, 116, 0.58));
}

.leadership-grid {
  margin-top: 0.9rem;
}

.leadership-card {
  border-color: rgba(227, 187, 116, 0.46);
}

.leadership-card-vc {
  border-color: rgba(227, 187, 116, 0.92);
  box-shadow:
    0 20px 36px rgba(0, 0, 0, 0.42),
    0 0 0 1px rgba(227, 187, 116, 0.28);
}

.leadership-note {
  margin: 0.62rem 0 0;
  font-size: 0.76rem;
  line-height: 1.45;
  color: #c9d3e5;
}

.faculty-empty {
  border: 1px dashed rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  padding: 1rem;
  color: #d7dfec;
  grid-column: 1 / -1;
}

.join-modal[hidden] {
  display: none;
}

.join-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.join-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 10, 19, 0.72);
  backdrop-filter: blur(4px);
}

.join-modal-panel {
  position: relative;
  width: min(560px, 94vw);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background:
    radial-gradient(circle at top right, rgba(227, 187, 116, 0.18), transparent 42%),
    linear-gradient(165deg, #102238, #132133);
  box-shadow: 0 24px 58px rgba(0, 0, 0, 0.5);
  padding: 1.05rem;
}

.join-modal-close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  color: #eef3fb;
  background: rgba(255, 255, 255, 0.16);
  font-size: 1.2rem;
}

.join-modal-eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: #9dbbff;
}

.join-modal-text {
  margin: 0.45rem 0 0;
  color: #d2dbea;
}

.join-social-grid {
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.58rem;
}

.join-social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.44rem;
  text-decoration: none;
  color: #f5f8fd;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
  padding: 0.56rem 0.64rem;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background-color 220ms ease,
    box-shadow 220ms ease,
    color 220ms ease;
}

.join-social-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 18px;
  transform-origin: center;
  transition: transform 220ms ease, filter 220ms ease;
}

.join-social-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.join-social-btn:hover {
  transform: translateY(-2px);
  color: #f6d9a5;
  border-color: rgba(227, 187, 116, 0.95);
  background: rgba(227, 187, 116, 0.15);
  box-shadow:
    0 0 0 1px rgba(227, 187, 116, 0.42),
    0 0 20px rgba(227, 187, 116, 0.28);
}

.join-social-btn:hover .join-social-icon,
.join-social-btn:focus-visible .join-social-icon {
  transform: rotate(10deg) translateX(1px);
  filter: drop-shadow(0 0 8px rgba(227, 187, 116, 0.58));
}

.join-social-btn:focus-visible {
  color: #f6d9a5;
  border-color: rgba(227, 187, 116, 0.95);
  background: rgba(227, 187, 116, 0.15);
  box-shadow:
    0 0 0 1px rgba(227, 187, 116, 0.42),
    0 0 20px rgba(227, 187, 116, 0.28);
  outline: none;
}

.faculty-modal[hidden] {
  display: none;
}

.faculty-modal {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: grid;
  place-items: center;
  padding: 1.1rem;
}

.faculty-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 10, 19, 0.72);
  backdrop-filter: blur(4px);
}

.faculty-modal-panel {
  position: relative;
  width: min(940px, 94vw);
  max-height: 92vh;
  overflow: auto;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.33);
  background:
    radial-gradient(circle at top right, rgba(227, 187, 116, 0.18), transparent 38%),
    linear-gradient(165deg, #0f2035, #121f2f);
  box-shadow: 0 30px 64px rgba(0, 0, 0, 0.52);
  padding: 1.05rem;
}

.faculty-modal-close {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  color: #eef3fb;
  background: rgba(255, 255, 255, 0.16);
  font-size: 1.2rem;
}

.faculty-modal-head {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 1rem;
  align-items: start;
}

.faculty-modal-head img {
  width: 190px;
  height: 215px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: #111a28;
}

.faculty-modal-designation,
.faculty-modal-address {
  margin: 0.32rem 0;
  color: #d4dcec;
}

.faculty-modal-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.52rem;
}

.faculty-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.58rem;
}

.faculty-modal-actions .btn {
  font-size: 0.8rem;
}

.faculty-modal-body {
  margin-top: 1rem;
  display: grid;
  gap: 0.88rem;
}

.faculty-modal-body section {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.8rem;
}

.faculty-modal-body h4 {
  margin: 0 0 0.5rem;
  font-family: var(--heading);
  font-size: 1.2rem;
  color: #f5d8a4;
}

.faculty-modal-body p,
.faculty-modal-body li {
  margin: 0;
  color: #d8e0ee;
  font-size: 0.88rem;
  line-height: 1.52;
}

.faculty-modal-body ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.42rem;
}

.sponsor-shell {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background:
    radial-gradient(circle at right top, rgba(227, 187, 116, 0.16), transparent 40%),
    rgba(10, 19, 31, 0.9);
  padding: 1rem;
}

.sponsor-copy p {
  color: #d4dbe8;
}

.sponsor-forms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.sponsor-forms form {
  display: grid;
  gap: 0.56rem;
}

.chalk-form {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr auto;
  align-items: end;
  gap: 0.76rem;
}

.chalk-notes {
  margin-top: 1rem;
  min-height: 220px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(12, 18, 27, 0.96), rgba(10, 14, 22, 0.96)),
    repeating-linear-gradient(
      10deg,
      transparent 0 26px,
      rgba(255, 255, 255, 0.04) 26px 27px
    );
  padding: 0.95rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.82rem;
}

.chalk-note {
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(243, 247, 255, 0.08);
  padding: 0.76rem;
  transform: rotate(var(--tilt));
}

.chalk-note strong {
  display: block;
  font-size: 0.85rem;
}

.chalk-note p {
  margin: 0.34rem 0 0;
  font-size: 0.82rem;
  color: #e4ebf8;
}

.chalk-equation {
  margin-top: 0.44rem;
  font-family: var(--heading);
  font-size: 1rem;
  color: #f0d29f;
}

.contact-subline {
  margin: 0.45rem 0 0;
  color: #d2dceb;
}

.contact-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.contact-card {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background:
    radial-gradient(circle at top right, rgba(227, 187, 116, 0.16), transparent 52%),
    linear-gradient(160deg, rgba(12, 22, 36, 0.94), rgba(16, 24, 35, 0.92));
  padding: 0.9rem;
  box-shadow: var(--shadow-md);
}

.contact-role-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(227, 187, 116, 0.58);
  color: #f6d9a5;
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  padding: 0.2rem 0.54rem;
}

.contact-avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  margin-top: 0.58rem;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #18202d;
  background: linear-gradient(140deg, var(--amber), #f2d39f);
  border: 1px solid rgba(255, 255, 255, 0.5);
  overflow: hidden;
}

.contact-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contact-card h3 {
  margin-top: 0.55rem;
  font-size: 1.45rem;
}

.contact-card p {
  margin: 0.32rem 0 0;
  color: #d1d9e9;
  font-size: 0.85rem;
}

.contact-actions {
  margin-top: 0.65rem;
}

.contact-social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  color: #f5e0b8;
  border: 1px solid rgba(227, 187, 116, 0.58);
  background: rgba(227, 187, 116, 0.12);
  border-radius: 999px;
  padding: 0.34rem 0.7rem;
  transition: transform 220ms ease, background-color 220ms ease, box-shadow 220ms ease, color 220ms ease;
}

.contact-social-icon {
  width: 15px;
  height: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 220ms ease;
}

.contact-social-icon svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.contact-social-btn:hover,
.contact-social-btn:focus-visible {
  color: #101722;
  background: linear-gradient(125deg, var(--gold), var(--amber));
  box-shadow: 0 12px 24px rgba(199, 156, 82, 0.34);
  transform: translateY(-1px);
  outline: none;
}

.contact-social-btn:hover .contact-social-icon,
.contact-social-btn:focus-visible .contact-social-icon {
  transform: rotate(10deg) translateX(1px);
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  padding: 1.45rem 4.8vw 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.7rem;
  color: #bfcae0;
  font-size: 0.84rem;
}

.footer-links {
  display: flex;
  gap: 0.82rem;
}

.footer-links a {
  color: inherit;
  text-decoration: none;
}

.reveal {
  opacity: 1;
  transform: none;
  transition:
    opacity 580ms ease,
    transform 620ms cubic-bezier(0.2, 0.9, 0.25, 1);
}

.js-reveal .reveal {
  opacity: 0;
  transform: translateY(20px);
}

.js-reveal .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1080px) {
  .main-nav {
    display: none;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .brand-copy small {
    display: none;
  }

  .hero-grid,
  .nodes-bridge,
  .sponsor-shell {
    grid-template-columns: 1fr;
  }

  .tri-grid,
  .event-meta,
  .schedule-grid,
  .ticket-grid,
  .contact-grid,
  .sponsor-forms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faculty-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faculty-filters {
    grid-template-columns: 1fr 1fr;
  }

  .chalk-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faculty-modal-head {
    grid-template-columns: 1fr;
  }

  .faculty-modal-head img {
    width: 100%;
    max-width: 220px;
    height: 235px;
  }

  .join-social-grid {
    grid-template-columns: 1fr;
  }

  .chalk-form .btn {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .section {
    padding-top: 4.5rem;
  }

  .topbar {
    flex-wrap: nowrap;
    gap: 0.66rem;
    padding: 0.72rem 4vw;
  }

  .brand-copy small {
    display: none;
  }

  .mobile-nav {
    top: 66px;
    left: 3.5vw;
    right: 3.5vw;
  }

  .hero-visual {
    min-height: 360px;
  }

  .tri-grid,
  .event-meta,
  .schedule-grid,
  .ticket-grid,
  .faculty-grid,
  .filters,
  .faculty-filters,
  .contact-grid,
  .sponsor-forms,
  .chalk-form {
    grid-template-columns: 1fr;
  }

  .faculty-preview {
    left: 0;
    top: 72px;
    width: 170px;
  }

  .wall-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .wall-filter {
    width: 100%;
    max-width: 260px;
  }
}