@font-face {
  font-family: system-ui;
  src: local("Arial");
}

:root {
  --bg: #071015;
  --panel: rgba(15, 34, 43, 0.78);
  --panel-strong: rgba(21, 48, 61, 0.92);
  --text: #ecfeff;
  --muted: #a7c7cc;
  --line: rgba(142, 240, 255, 0.22);
  --glow: rgba(90, 226, 255, 0.34);
  --hot: #ffcf5a;
  --ray: #76f4ff;
  --pink: #ff79da;
  --green: #98ffcb;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(118, 244, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 88% 16%, rgba(255, 121, 218, 0.14), transparent 24rem),
    linear-gradient(180deg, #071015 0%, #0a151c 42%, #05090d 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}

a {
  color: inherit;
}

.site-header {
  width: min(1180px, calc(100% - 32px));
  margin: 18px auto 0;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(4, 14, 19, 0.66);
  backdrop-filter: blur(14px);
  border-radius: 22px;
  position: sticky;
  top: 14px;
  z-index: 10;
  box-shadow: 0 12px 40px rgba(0,0,0,0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.04em;
  font-size: 1.08rem;
}

.brand-mark {
  color: var(--hot);
  text-shadow: 0 0 20px var(--hot);
}

.nav-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 999px;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(118, 244, 255, 0.1);
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 78vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: center;
  padding: 72px 0 42px;
}

.eyebrow {
  color: var(--ray);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 800;
  margin: 0 0 12px;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3rem, 9vw, 6.8rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
  margin-bottom: 24px;
  text-shadow: 0 0 38px rgba(118, 244, 255, 0.18);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin-bottom: 16px;
}

h3 {
  font-size: 1.22rem;
  margin-bottom: 10px;
}

.hero-text,
.section-heading p,
.feature-copy p,
.about-panel p,
.submit-panel p,
.video-card p,
.channel-card p,
.submit-panel li {
  color: var(--muted);
  line-height: 1.65;
}

.hero-text {
  font-size: 1.16rem;
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 26px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 0 18px;
  font-weight: 800;
  border: 1px solid var(--line);
}

.button.primary {
  color: #041014;
  background: linear-gradient(135deg, var(--ray), var(--hot));
  box-shadow: 0 0 34px rgba(118, 244, 255, 0.28);
}

.button.ghost {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.signal-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.signal-strip span {
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 11px;
  background: rgba(255,255,255,0.04);
  font-size: 0.82rem;
}

.hero-card {
  position: relative;
  border-radius: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow), 0 0 70px var(--glow);
}

.hero-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.status-pill {
  position: absolute;
  left: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(4, 14, 19, 0.72);
  border: 1px solid var(--line);
  padding: 10px 13px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  color: var(--text);
  font-weight: 800;
}

.live-dot {
  width: 10px;
  height: 10px;
  background: var(--green);
  border-radius: 99px;
  box-shadow: 0 0 16px var(--green);
}

.section {
  padding: 72px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.channel-card,
.video-card,
.video-shell,
.about-panel,
.submit-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 12px 38px rgba(0,0,0,0.22);
}

.channel-card {
  min-height: 290px;
  padding: 22px;
  position: relative;
  isolation: isolate;
}

.channel-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.42;
}

.channel-a::before { background: radial-gradient(circle at 10% 10%, rgba(118,244,255,0.56), transparent 13rem); }
.channel-b::before { background: radial-gradient(circle at 90% 20%, rgba(255,207,90,0.48), transparent 13rem); }
.channel-c::before { background: radial-gradient(circle at 50% 10%, rgba(255,121,218,0.48), transparent 13rem); }
.channel-d::before { background: radial-gradient(circle at 20% 80%, rgba(152,255,203,0.34), transparent 13rem); }
.channel-e::before { background: radial-gradient(circle at 80% 80%, rgba(118,244,255,0.34), transparent 13rem); }
.channel-f::before { background: radial-gradient(circle at 50% 50%, rgba(255,207,90,0.34), transparent 13rem); }

.channel-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  margin-bottom: 28px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--line);
  color: var(--hot);
  font-size: 1.6rem;
  box-shadow: 0 0 28px rgba(118,244,255,0.12);
}

.card-kicker {
  color: var(--hot);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
  margin-bottom: 8px;
}

.feature-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 24px;
  align-items: center;
}

.video-shell {
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 30% 10%, rgba(255, 207, 90, 0.18), transparent 16rem),
    radial-gradient(circle at 80% 20%, rgba(118, 244, 255, 0.20), transparent 18rem),
    #071015;
  display: grid;
  place-items: center;
  min-height: 280px;
}

.video-shell iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.video-placeholder {
  text-align: center;
  padding: 28px;
  color: var(--muted);
}

.play-button {
  display: inline-grid;
  place-items: center;
  width: 76px;
  height: 76px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: #041014;
  background: linear-gradient(135deg, var(--hot), var(--ray));
  font-size: 28px;
  box-shadow: 0 0 40px var(--glow);
}

.video-placeholder p {
  color: var(--text);
  font-weight: 900;
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.video-card {
  padding: 18px;
}

.thumb {
  min-height: 165px;
  border-radius: 18px;
  margin-bottom: 16px;
  display: grid;
  place-items: end start;
  padding: 16px;
  font-weight: 1000;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  color: white;
  text-shadow: 0 2px 20px rgba(0,0,0,0.65);
}

.gradient-a {
  background: radial-gradient(circle at 20% 20%, rgba(118,244,255,0.52), transparent 10rem), linear-gradient(135deg, #10242e, #030507);
}

.gradient-b {
  background: radial-gradient(circle at 80% 20%, rgba(255,207,90,0.48), transparent 10rem), linear-gradient(135deg, #281838, #030507);
}

.gradient-c {
  background: radial-gradient(circle at 60% 30%, rgba(255,121,218,0.5), transparent 10rem), linear-gradient(135deg, #142017, #030507);
}

.about-panel,
.submit-panel {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 28px;
  padding: 32px;
  background:
    radial-gradient(circle at 10% 20%, rgba(118, 244, 255, 0.12), transparent 26rem),
    var(--panel-strong);
}

.submit-panel ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.submit-panel li {
  margin-bottom: 8px;
}

.footer {
  width: min(1180px, calc(100% - 32px));
  margin: 24px auto 38px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 20px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 14px;
}

.footer a {
  color: var(--ray);
  text-decoration: none;
}

@media (max-width: 980px) {
  .hero,
  .feature-section,
  .about-panel,
  .submit-panel {
    grid-template-columns: 1fr;
  }

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

  .video-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 46px;
  }
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    font-size: 0.86rem;
  }

  .channel-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 48px 0;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.4rem);
  }
}