:root {
  --bg: #060312;
  --surface: #100a22;
  --surface-2: #1b1238;
  --light: #0e0b20;
  --text: #edf0ff;
  --muted: #9fa5d8;
  --accent: #00e5ff;
  --accent-2: #ff2bd6;
  --accent-3: #7b5cff;
  --line: rgba(150, 160, 255, 0.25);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; scroll-behavior: smooth; }
body {
  font-family: "Inter", sans-serif;
  background: radial-gradient(circle at 20% 8%, #201447 0%, #0b071d 42%, #04020d 100%);
  color: var(--text);
  line-height: 1.45;
  overflow-x: hidden;
}

#tech-particles {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.7;
}

.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.07;
  background-image: radial-gradient(rgba(255,255,255,0.8) 0.65px, transparent 0.65px);
  background-size: 3px 3px;
}

.topbar, main, .footer { position: relative; z-index: 3; }
.container { width: min(1200px, calc(100% - 2rem)); margin-inline: auto; }
.section { padding: 3.6rem 0; }
.light { background: linear-gradient(165deg, #110b25 0%, #0e0a20 70%, #0a0718 100%); color: #f1f3ff; }
.dark { background: linear-gradient(155deg, #090513 0%, #110a23 60%, #06030f 100%); }

.topbar {
  position: sticky;
  top: 0;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  background: rgba(4, 3, 14, 0.68);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  text-decoration: none;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(0,229,255,0.2), rgba(255,43,214,0.28));
  box-shadow: 0 0 18px rgba(0,229,255,0.35);
}

.brand strong { display: block; font-size: 1rem; font-family: "Orbitron", sans-serif; letter-spacing: 0.4px; }
.brand small { color: var(--muted); }

nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

nav a {
  color: #f7f8ff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.94rem;
  position: relative;
}

nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s ease;
}

nav a:hover::after { width: 100%; }
.menu-toggle { display: none; }

.btn {
  border: 0;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  padding: 0.75rem 1.1rem;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #080512;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 22px rgba(0,229,255,0.24), 0 8px 22px rgba(255,43,214,0.28);
}
.btn-ghost {
  color: #fff;
  border: 1px solid rgba(145, 160, 255, 0.55);
  background: rgba(255,255,255,0.03);
}
.btn-dark {
  color: #fff;
  background: linear-gradient(150deg, #18103a, #0c0820);
}

.hero { padding-top: 2.6rem; overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 23%, rgba(0,229,255,0.23), transparent 33%),
    radial-gradient(circle at 76% 24%, rgba(255,43,214,0.23), transparent 36%),
    radial-gradient(circle at 63% 72%, rgba(123,92,255,0.22), transparent 40%),
    linear-gradient(130deg, #050210 30%, #1a0d3b 84%);
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 2rem;
}

.script {
  font-family: "Orbitron", sans-serif;
  color: var(--accent);
  margin-bottom: 0.3rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 0.92rem;
}

.hero-copy h1 {
  margin: 0 0 1rem;
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: 1px;
  font-family: "Orbitron", sans-serif;
}

.hero-copy h1 span {
  display: block;
  font-size: clamp(2.5rem, 8vw, 5.8rem);
}

.hero-copy h1 .accent {
  color: var(--accent-2);
  text-shadow: 0 0 14px rgba(255,43,214,0.45);
}

.hero-copy h1 em {
  color: var(--accent);
  font-size: clamp(1.4rem, 4vw, 2.65rem);
  font-style: normal;
  text-shadow: 0 0 15px rgba(0,229,255,0.45);
}

.lead { max-width: 560px; color: #c6cbf2; }
.hero-meta {
  list-style: none;
  padding: 0;
  margin: 1.1rem 0;
  display: grid;
  gap: 0.7rem;
}

.hero-meta li strong { display: block; color: #fff; }
.hero-meta li span { color: var(--muted); font-size: 0.95rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-visualizer {
  margin-top: 1rem;
  width: min(520px, 100%);
  border-radius: 12px;
  border: 1px solid rgba(170, 180, 255, 0.3);
  background: linear-gradient(160deg, rgba(13, 10, 30, 0.88), rgba(20, 12, 44, 0.78));
  padding: 0.6rem 0.75rem 0.7rem;
  box-shadow: inset 0 0 20px rgba(123, 92, 255, 0.2), 0 0 24px rgba(0, 229, 255, 0.12);
}

.visualizer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  letter-spacing: 1.1px;
  margin-bottom: 0.4rem;
  color: #b9c1f4;
  font-family: "Orbitron", sans-serif;
}

.visualizer-top span:last-child {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(0, 229, 255, 0.6);
}

.beat-visualizer {
  height: 48px;
  display: grid;
  grid-template-columns: repeat(24, minmax(6px, 1fr));
  align-items: end;
  gap: 5px;
}

.beat-bar {
  height: 12%;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.35), 0 0 10px rgba(255, 43, 214, 0.25);
  transition: height 80ms linear;
}

.hero-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(175, 183, 255, 0.32);
  box-shadow: 0 20px 40px rgba(0,0,0,0.45), 0 0 35px rgba(123,92,255,0.22);
}

.hero-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}

.hero-tag {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  background: rgba(8, 7, 18, 0.86);
  border: 1px solid rgba(180, 188, 255, 0.28);
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
}

.countdown-wrap {
  background: linear-gradient(100deg, #100a28 0%, #120a2d 60%, #08061a 100%);
  color: #f4f5ff;
  padding: 1rem 0 2rem;
}

.countdown-grid {
  background: rgba(26, 18, 52, 0.95);
  border: 1px solid rgba(166, 176, 255, 0.3);
  border-radius: 16px;
  display: grid;
  grid-template-columns: 1.2fr repeat(4, minmax(90px, 1fr)) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem;
}

.countdown-title {
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 900;
  color: var(--accent);
  font-family: "Orbitron", sans-serif;
}

.time-box {
  border-radius: 10px;
  background: linear-gradient(160deg, #171034, #0e0a25);
  border: 1px solid rgba(145, 157, 248, 0.28);
  text-align: center;
  padding: 0.55rem;
}

.time-box span { display: block; font-size: 1.9rem; font-weight: 900; color: #ffffff; }
.time-box small { text-transform: uppercase; color: #afb6ea; font-size: 0.72rem; }

.section-title {
  margin: 0 0 1.2rem;
  text-align: center;
  font-size: clamp(1.8rem, 2.7vw, 2.4rem);
  font-family: "Orbitron", sans-serif;
  letter-spacing: 0.6px;
}

.cards-grid {
  display: grid;
  gap: 1rem;
}

.cards-grid.six { grid-template-columns: repeat(6, minmax(110px, 1fr)); }

.icon-card {
  background: linear-gradient(160deg, #191233, #100b22);
  border: 1px solid rgba(154, 167, 255, 0.28);
  border-radius: 14px;
  text-align: center;
  padding: 1rem 0.75rem;
}

.icon-card div { font-size: 1.8rem; }
.icon-card h3 { margin: 0.5rem 0; font-size: 1rem; color: #fff; }
.icon-card p { margin: 0; color: #b5bbe6; font-size: 0.88rem; }

.menu-zone { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.menu-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr;
  gap: 1.4rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 0.8rem;
}

.product {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(162, 172, 255, 0.22);
  border-radius: 12px;
  padding: 0.55rem;
}

.product img {
  width: 100%;
  height: 110px;
  border-radius: 10px;
  object-fit: cover;
}

.product h3 { margin: 0.55rem 0 0.2rem; font-size: 1rem; color: #fff; }
.product p { color: #b9bfe8; font-size: 0.84rem; min-height: 36px; margin: 0 0 0.45rem; }

.product-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product button {
  border: 1px solid rgba(172, 182, 255, 0.45);
  color: #fff;
  background: rgba(255,255,255,0.03);
  padding: 0.35rem 0.6rem;
  border-radius: 8px;
}

.order-box {
  background: linear-gradient(150deg, rgba(0,229,255,0.08), rgba(255,43,214,0.08));
  border: 1px solid rgba(185, 194, 255, 0.3);
  border-radius: 14px;
  padding: 1.3rem;
}

.order-box ul {
  padding-left: 1rem;
  color: #d7dcfa;
  margin: 1rem 0 1.3rem;
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 1rem;
}

.timeline {
  background: linear-gradient(165deg, #181233, #0e0a1f);
  border: 1px solid rgba(160, 170, 255, 0.3);
  border-radius: 14px;
  overflow: hidden;
}

.event {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(171, 180, 255, 0.18);
}

.event:last-child { border-bottom: none; }
.event span { color: var(--accent); font-weight: 800; }
.event p { margin: 0; color: #d3d8fa; }

.video-card {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  min-height: 320px;
  border: 1px solid rgba(163, 173, 255, 0.32);
}

.video-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255,255,255,0.5);
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(7, 8, 24, 0.7);
  color: #fff;
  font-size: 1.3rem;
}

.speakers {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 1rem;
}

.speaker {
  text-align: center;
  background: linear-gradient(165deg, #191234, #0f0a23);
  border: 1px solid rgba(164, 174, 255, 0.26);
  border-radius: 14px;
  padding: 1rem 0.7rem;
}

.speaker img {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(149, 161, 255, 0.3);
}

.speaker h3 { margin: 0.6rem 0 0.2rem; font-size: 0.98rem; }
.speaker p { margin: 0; color: #b7bde8; font-size: 0.85rem; }

.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 0.7rem;
}

.gallery-grid img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(170, 178, 255, 0.3);
}

.ticket-banner { padding: 2rem 0; }
.ticket-grid {
  border: 1px solid rgba(170, 180, 255, 0.3);
  border-radius: 16px;
  padding: 1.2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  background: linear-gradient(120deg, rgba(11,8,25,0.96), rgba(36,19,66,0.96));
}

.price-card {
  min-width: 210px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(173, 182, 255, 0.3);
  border-radius: 12px;
  padding: 0.9rem;
}

.price-card h3 { margin: 0.25rem 0 0.7rem; font-size: 2rem; }
.price-card h3 span { text-decoration: line-through; font-size: 1rem; color: #a2aadf; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 0.9rem;
}

.contact-card, .map-card {
  background: linear-gradient(165deg, #171130, #0e0a1f);
  border: 1px solid rgba(160, 170, 255, 0.26);
  border-radius: 12px;
  padding: 1rem;
}

.map-card iframe {
  width: 100%;
  height: 220px;
  border: none;
  border-radius: 10px;
  filter: hue-rotate(220deg) saturate(1.6) contrast(1.12);
}

.sponsors { padding: 1.2rem 0; }
.sponsor-row {
  display: flex;
  justify-content: space-between;
  gap: 0.9rem;
  flex-wrap: wrap;
  color: #c7ceff;
  font-weight: 900;
  letter-spacing: 1px;
  text-shadow: 0 0 12px rgba(123,92,255,0.4);
}

.faq-list {
  display: grid;
  gap: 0.7rem;
  max-width: 900px;
  margin-inline: auto;
}

details {
  border: 1px solid rgba(162, 172, 255, 0.28);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.03);
}

summary { cursor: pointer; font-weight: 700; }

.footer {
  background: #05030d;
  border-top: 1px solid var(--line);
  padding: 1rem 0;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: #aeb4e4;
}

.footer-row a {
  color: #d2d7ff;
  text-decoration: none;
  margin-left: 0.8rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.22s; }

@media (max-width: 1080px) {
  nav {
    position: fixed;
    left: 1rem;
    right: 1rem;
    top: 78px;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(10, 7, 25, 0.97);
    border: 1px solid rgba(164, 172, 255, 0.28);
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
    pointer-events: none;
    transition: 0.28s ease;
  }

  nav.open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid rgba(170, 179, 255, 0.35);
    color: #fff;
    background: transparent;
  }

  .topbar .btn { display: none; }
  .hero-grid, .menu-grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .cards-grid.six { grid-template-columns: repeat(3, minmax(120px, 1fr)); }
  .product-grid { grid-template-columns: repeat(2, minmax(120px, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .speakers { grid-template-columns: repeat(3, 1fr); }
  .countdown-grid { grid-template-columns: repeat(3, 1fr); }
  .countdown-title { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .cards-grid.six,
  .speakers,
  .gallery-grid,
  .product-grid,
  .countdown-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-copy h1 span { letter-spacing: 0; }
  .hero-actions { flex-direction: column; }
  .beat-visualizer { grid-template-columns: repeat(20, minmax(6px, 1fr)); }
  .event { grid-template-columns: 1fr; }
  .ticket-grid, .footer-row { flex-direction: column; align-items: flex-start; }
}