/* =========================================================
   SRISHTI 2K26 — Production redesign layer
   Black · Deep purple · Chrome · Glass
========================================================= */

:root {
  --bg: #000000;
  --bg2: #050505;
  --purple: #6d28d9;
  --purple2: #9333ea;
  --purple3: #c084fc;
  --neon-purple: rgba(168, 85, 247, 0.45);
  --chrome: #e2e2f0;
  --chrome-dim: #9ca3af;
  --glass-bg: rgba(12, 12, 18, 0.55);
  --glass-border: rgba(255, 255, 255, 0.08);
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: auto;
}

body {
  background: #000000 !important;
  color: var(--chrome);
}

body.loaded #preloader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ─── Announcement ─── */
.announcement-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 48px 10px 16px;
  background: linear-gradient(90deg, #1a0533, #0a0a0a 50%, #1a0533);
  border-bottom: 1px solid rgba(168, 85, 247, 0.35);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 0.4s var(--ease-premium), opacity 0.4s;
}
.announcement-bar.dismissed {
  transform: translateY(-100%);
  opacity: 0;
}
.announcement-bar strong {
  color: var(--purple3);
}
.announce-close {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--chrome-dim);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
}
body.has-announce nav#navbar {
  top: 42px;
}

/* ─── Navbar + logo fix ─── */
nav#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  transition:
    background 0.45s var(--ease-premium),
    padding 0.45s var(--ease-premium),
    box-shadow 0.45s var(--ease-premium),
    border-color 0.45s var(--ease-premium);
}
nav#navbar.scrolled {
  background: rgba(0, 0, 0, 0.88) !important;
  backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid rgba(168, 85, 247, 0.12);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}
.nav-brand {
  display: flex;
  align-items: center;
  height: 48px;
  padding: 4px 0;
}
.nav-brand img {
  width: auto !important;
  height: 42px !important;
  max-height: 42px;
  max-width: 140px;
  object-fit: contain !important;
  object-position: left center;
  image-rendering: -webkit-optimize-contrast;
}
@media (min-width: 768px) {
  .nav-brand img {
    height: 48px !important;
    max-height: 48px;
  }
}
.nav-links a:focus-visible,
.mobile-link:focus-visible,
.btn:focus-visible,
button:focus-visible {
  outline: 2px solid var(--purple3);
  outline-offset: 3px;
}
body.user-tabbing *:focus {
  outline: 2px solid var(--purple3);
  outline-offset: 2px;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 100000;
  padding: 10px 16px;
  background: var(--purple2);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
}
.skip-link:focus {
  left: 8px;
}

/* Mobile menu polish */
.mobile-menu {
  background: rgba(0, 0, 0, 0.96) !important;
  backdrop-filter: blur(32px);
  border-left: 1px solid rgba(168, 85, 247, 0.15);
}
.mobile-menu .mobile-link {
  font-size: 1.1rem;
  padding: 16px 0;
  min-height: 48px;
  display: flex;
  align-items: center;
  transition: color 0.3s var(--ease-premium), transform 0.3s;
}
.mobile-menu .mobile-link:hover {
  color: var(--purple3);
  transform: translateX(6px);
}

/* ─── Scroll progress ─── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 10002;
  background: linear-gradient(90deg, var(--purple), var(--purple3), var(--chrome));
  box-shadow: 0 0 12px var(--neon-purple);
  transition: width 0.08s linear;
}

/* ─── Hero (clean + premium) ─── */
.hero-stats {
  display: none !important;
}
#heroStarsCanvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.hero {
  background: #000;
  min-height: 100svh;
  min-height: 100dvh;
}
.hero-video {
  opacity: 0.35;
}
.hero-overlay {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.75) 55%,
    #000 100%
  ) !important;
}
.hero-content {
  position: relative;
  z-index: 5;
  padding: clamp(80px, 14vh, 120px) 5vw 48px;
  max-width: 920px;
}
.hero-topline {
  font-size: clamp(0.55rem, 2vw, 0.72rem);
  letter-spacing: 0.35em;
  color: var(--purple3);
  text-shadow: 0 0 24px var(--neon-purple);
}
.hero-logo {
  max-width: min(88vw, 420px);
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(168, 85, 247, 0.35));
}
.hero-description {
  font-size: clamp(0.95rem, 3.2vw, 1.15rem);
  line-height: 1.65;
  max-width: 36ch;
  margin-inline: auto;
  color: var(--chrome-dim);
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}
.hero-buttons .btn {
  min-height: 48px;
  min-width: 140px;
  padding: 14px 28px;
  font-size: 0.8rem;
}
.btn-primary {
  background: linear-gradient(135deg, var(--purple2), var(--purple)) !important;
  border: 1px solid rgba(196, 132, 252, 0.4) !important;
  box-shadow: 0 0 32px rgba(124, 58, 237, 0.35);
}
.btn-secondary {
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  backdrop-filter: blur(12px);
}
@media (max-width: 640px) {
  .hero-ambient-words {
    opacity: 0.15;
  }
  .ambient-word {
    font-size: clamp(1.5rem, 8vw, 3rem) !important;
  }
  .hero-logo-wrap {
    margin-bottom: 12px;
  }
}

/* ─── Story strip — space (no grey) ─── */
.story-strip {
  background: #000000 !important;
  position: relative;
  isolation: isolate;
}
#storySkyCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.story-panel {
  position: relative;
  z-index: 1;
  background: transparent !important;
  border-top-color: rgba(168, 85, 247, 0.08) !important;
}
.story-panel::before {
  display: none !important;
}

/* ─── Event cards — poster-first ─── */
.event-card {
  display: flex;
  flex-direction: column;
  padding: 0 !important;
  overflow: hidden;
  border-radius: 20px;
  background: #0a0a0a !important;
  border: 1px solid rgba(255, 255, 255, 0.06) !important;
  min-width: 280px;
  max-width: 320px;
  flex: 0 0 auto;
  transition:
    transform 0.5s var(--ease-premium),
    box-shadow 0.5s var(--ease-premium),
    border-color 0.4s;
}
.event-card .event-poster-wrap {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #111;
}
.event-card .event-poster-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-premium);
}
.event-card:hover .event-poster-image {
  transform: scale(1.06);
}
.event-card .event-poster-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 3rem;
  color: rgba(168, 85, 247, 0.25);
  background: linear-gradient(145deg, #0a0a0a, #1a0a2e);
}
.event-card .event-content {
  padding: 20px 20px 24px;
}
.event-card .event-category,
.event-card .event-meta,
.event-card .event-number,
.event-card .btn-register {
  display: none !important;
}
.event-card .event-content h3 {
  margin-top: 0;
  font-size: 1.35rem;
  background: linear-gradient(135deg, #fff, var(--chrome));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.event-card:hover {
  transform: translateY(-10px) scale(1.01);
  border-color: rgba(168, 85, 247, 0.25) !important;
  box-shadow:
    0 28px 60px rgba(0, 0, 0, 0.7),
    0 0 48px rgba(124, 58, 237, 0.15);
}

/* ─── Timeline ─── */
.timeline-section {
  background: #000;
  border-top: 1px solid rgba(168, 85, 247, 0.1);
}
.timeline-track {
  position: relative;
  max-width: 900px;
  margin: 48px auto 0;
  padding-left: 32px;
}
.timeline-track::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--purple2), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 36px;
  padding: 20px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  opacity: 0;
  transform: translateX(24px);
  transition:
    opacity 0.6s var(--ease-premium),
    transform 0.6s var(--ease-premium);
}
.timeline-item.revealed {
  opacity: 1;
  transform: translateX(0);
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--purple3);
  box-shadow: 0 0 16px var(--neon-purple);
}
.timeline-date {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--purple3);
  text-transform: uppercase;
}
.timeline-item h3 {
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

/* ─── Sponsors carousel ─── */
.sponsors-section {
  background: #000;
  overflow: hidden;
}
.sponsors-carousel {
  margin-top: 40px;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.sponsors-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: sponsorSlide 28s linear infinite;
}
.sponsors-track:hover {
  animation-play-state: paused;
}
@keyframes sponsorSlide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}
.sponsor-pill {
  flex: 0 0 auto;
  min-width: 160px;
  padding: 24px 32px;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--chrome-dim);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.sponsor-pill:hover {
  border-color: rgba(168, 85, 247, 0.35);
  box-shadow: 0 0 24px rgba(124, 58, 237, 0.2);
}
.sponsor-pill img {
  max-height: 48px;
  max-width: 120px;
  object-fit: contain;
  margin-bottom: 8px;
  filter: grayscale(0.2) brightness(1.1);
}

/* ─── Gallery preview on home ─── */
.gallery-preview-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto 32px;
  padding: 0 5vw;
}
.gallery-preview-link {
  color: var(--purple3);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 12px 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.gallery-preview-link:hover {
  text-shadow: 0 0 20px var(--neon-purple);
}

/* ─── Premium lightbox ─── */
.premium-lightbox {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}
.premium-lightbox.active {
  opacity: 1;
  visibility: visible;
}
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
}
.lightbox-img {
  position: relative;
  z-index: 1;
  max-width: min(92vw, 1200px);
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 0 80px rgba(124, 58, 237, 0.25);
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.25rem;
}

/* ─── Back to top (single control, centered — no right dock) ─── */
#backToTop.back-to-top {
  position: fixed;
  left: 50%;
  right: auto;
  bottom: 24px;
  z-index: 9989;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(168, 85, 247, 0.35);
  background: rgba(0, 0, 0, 0.88);
  color: var(--purple3);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 16px);
  transition:
    opacity 0.4s var(--ease-premium),
    visibility 0.4s,
    transform 0.4s var(--ease-premium),
    box-shadow 0.4s;
  backdrop-filter: blur(12px);
  font-size: 1.25rem;
  line-height: 1;
  padding: 0;
}
#backToTop.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
#backToTop.back-to-top:hover {
  box-shadow: 0 0 28px var(--neon-purple);
}

/* Hide legacy duplicate if cached script ever injects one */
.scroll-top-btn {
  display: none !important;
}

/* ─── Countdown polish ─── */
.countdown-section {
  background: #000 !important;
}
.countdown-section::before {
  background: radial-gradient(
    ellipse 70% 50% at 50% 0%,
    rgba(124, 58, 237, 0.2),
    transparent 70%
  ) !important;
}
.time-card {
  background: var(--glass-bg) !important;
  border: 1px solid rgba(168, 85, 247, 0.15) !important;
  backdrop-filter: blur(20px);
}
.time-card h3 {
  text-shadow: 0 0 30px var(--neon-purple);
  color: var(--chrome) !important;
}

/* ─── About / cards glass ─── */
.about-card,
.school-card {
  background: var(--glass-bg) !important;
  border-color: var(--glass-border) !important;
}

/* Remove team remnants */
.team-section,
#team {
  display: none !important;
}

/* Remove blue globally */
[style*="#06b6d4"],
[style*="06b6d4"] {
  color: inherit !important;
}