:root {
  --bg: #050b1c;
  --bg-elev: #0a1430;
  --ink: #f4f7ff;
  --muted: #b4c0db;
  --line: rgba(173, 193, 234, 0.24);
  --brand-1: #1aa8ff;
  --brand-2: #2f5bff;
  --brand-3: #0df3d3;
  --card: rgba(8, 18, 45, 0.64);
  --maxw: 1120px;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(2, 8, 24, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 800px at 8% -8%, rgba(26, 168, 255, 0.18), transparent 62%),
    radial-gradient(900px 700px at 96% 4%, rgba(47, 91, 255, 0.22), transparent 58%),
    linear-gradient(170deg, var(--bg), #040815 56%, #081127);
  line-height: 1.5;
}

.aurora {
  position: fixed;
  inset: -15% -8% auto;
  height: 45vh;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 30%, rgba(13, 243, 211, 0.14), transparent 42%),
    radial-gradient(circle at 70% 40%, rgba(26, 168, 255, 0.18), transparent 38%),
    radial-gradient(circle at 86% 18%, rgba(47, 91, 255, 0.18), transparent 34%);
  filter: blur(22px);
  animation: drift 14s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-2%, 1.4%, 0) scale(1.03);
  }
}

.shell {
  width: min(var(--maxw), calc(100% - 2.5rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.nav {
  padding: 1.1rem 0 0.3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  height: 72px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.nav-links a {
  color: #c7d3ec;
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 500;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: 180ms ease;
}

.nav-links a:hover {
  border-color: var(--line);
  background: rgba(173, 193, 234, 0.07);
  color: #ffffff;
}

.nav-links .nav-cta {
  border-color: rgba(26, 168, 255, 0.55);
  background: linear-gradient(130deg, rgba(26, 168, 255, 0.25), rgba(47, 91, 255, 0.22));
}

.hero {
  padding: 3.2rem 0 2rem;
  display: grid;
  gap: 1rem;
}

.eyebrow {
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.095em;
  font-size: 0.74rem;
  font-weight: 700;
  color: #92f3e3;
  background: rgba(9, 38, 57, 0.6);
  border: 1px solid rgba(146, 243, 227, 0.28);
  padding: 0.34rem 0.58rem;
  border-radius: 999px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Sora", "Segoe UI", sans-serif;
  line-height: 1.15;
  letter-spacing: -0.016em;
}

h1 {
  max-width: 13ch;
  font-size: clamp(2.1rem, 6vw, 4.6rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.5rem);
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.hero p {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.hero-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.76rem 1rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #02122f;
  background: linear-gradient(118deg, var(--brand-3), #57fff1 48%, #8efcf1 100%);
  box-shadow: 0 14px 30px rgba(13, 243, 211, 0.22);
}

.btn-ghost {
  color: #dce6fb;
  border: 1px solid rgba(190, 208, 241, 0.33);
  background: rgba(16, 29, 64, 0.47);
}

.signal-strip {
  margin: 0.35rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.signal-strip li {
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(173, 193, 234, 0.23);
  color: #a9c9f4;
  font-size: 0.84rem;
  background: rgba(7, 17, 44, 0.55);
}

.section {
  margin-top: 2.8rem;
}

.section-heading {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.section-heading p,
.section p {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 0.9rem;
}

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

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

.panel,
.channel {
  background: linear-gradient(160deg, var(--card), rgba(7, 16, 38, 0.75));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  padding: 1.15rem;
}

.panel p {
  margin: 0.5rem 0 0;
}

.channels {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.channel {
  padding: 1.05rem;
}

.channel header {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.tag {
  width: fit-content;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.26rem 0.52rem;
  letter-spacing: 0.08em;
}

.tag.live {
  color: #00261f;
  background: linear-gradient(130deg, #8dfef2, #4df2e4);
}

.tag.soon {
  color: #d7e4ff;
  border: 1px solid rgba(173, 193, 234, 0.34);
  background: rgba(15, 31, 70, 0.57);
}

.channel-live {
  border-color: rgba(13, 243, 211, 0.4);
  background: linear-gradient(160deg, rgba(8, 31, 53, 0.82), rgba(7, 14, 30, 0.82));
}

.flat-list {
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.flat-list li {
  color: #c8d8f7;
  font-size: 0.95rem;
  padding-left: 0.9rem;
  position: relative;
}

.flat-list li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  position: absolute;
  left: 0;
  top: 0.48rem;
  border-radius: 999px;
  background: linear-gradient(125deg, var(--brand-3), var(--brand-1));
}

.cta {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem;
  border-radius: var(--radius);
  border: 1px solid rgba(146, 243, 227, 0.28);
  background: linear-gradient(150deg, rgba(6, 31, 58, 0.88), rgba(8, 19, 44, 0.92));
  box-shadow: var(--shadow);
}

.cta p {
  margin: 0.45rem 0 0;
}

.cta-actions {
  display: grid;
  gap: 0.6rem;
}

.footer {
  margin: 2.4rem auto 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(173, 193, 234, 0.2);
  color: #9bb0d4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.stagger {
  opacity: 0;
  transform: translateY(14px);
}

.is-visible .stagger {
  animation: rise 0.52s ease forwards;
}

.is-visible .stagger:nth-child(1) {
  animation-delay: 0.05s;
}

.is-visible .stagger:nth-child(2) {
  animation-delay: 0.14s;
}

.is-visible .stagger:nth-child(3) {
  animation-delay: 0.22s;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 920px) {
  .grid-3,
  .channels,
  .grid-2,
  .cta {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.4rem;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(var(--maxw), calc(100% - 1.4rem));
  }

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

  .nav-links {
    width: 100%;
  }

  .nav-links a {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
