:root {
  --sv-night: #10182c;
  --sv-panel: #1b2644;
  --sv-text: #e4f3ff;
  --sv-cyan: #6df8ff;
  --sv-blue: #6f92ff;
  --sv-line: #35476c;
  --sv-glow: rgba(109, 248, 255, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Assistant", sans-serif;
  color: var(--sv-text);
  background:
    radial-gradient(circle at 14% 0%, rgba(111, 146, 255, 0.18), transparent 32%),
    radial-gradient(circle at 88% 9%, rgba(109, 248, 255, 0.18), transparent 28%),
    linear-gradient(180deg, #0d1424 0%, #0a1020 100%);
}

.sv-wrap {
  width: min(1500px, 97vw);
  margin: 0 auto;
}

.sv-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(12, 18, 33, 0.92);
  border-bottom: 1px solid var(--sv-line);
  backdrop-filter: blur(8px);
}

.sv-header .sv-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
}

.sv-logo img {
  width: 236px;
  max-width: 74vw;
}

.sv-burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid #5ccfe4;
  border-radius: 10px;
  background: #182745;
  color: #dff9ff;
  font-size: 1.1rem;
}

.sv-nav {
  display: flex;
  gap: 0.55rem;
}

.sv-nav a {
  text-decoration: none;
  color: #d8edff;
  border: 1px solid #3d5075;
  border-radius: 999px;
  padding: 0.44rem 0.78rem;
  font-weight: 700;
}

.sv-nav a[aria-current="page"],
.sv-nav a:hover {
  color: #0f2230;
  background: linear-gradient(120deg, #6df8ff, #8ab2ff);
  border-color: transparent;
}

.sv-hero {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

.sv-card,
.sv-side,
.sv-node,
.sv-policy {
  background: linear-gradient(180deg, #18233f, #131d34);
  border: 1px solid var(--sv-line);
  border-radius: 16px;
  padding: 1rem;
}

h1,
h2,
h3 {
  font-family: "Syne", sans-serif;
  margin-top: 0;
}

.sv-notes {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.sv-notes article {
  border: 1px dashed #5372aa;
  border-radius: 11px;
  padding: 0.75rem;
  background: rgba(17, 29, 54, 0.65);
}

.sv-wave {
  margin-top: 1rem;
  border: 2px solid #69d8ef;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 0 34px var(--sv-glow);
}

.sv-wave iframe {
  width: 100%;
  height: min(78vh, 710px);
  border: 0;
  display: block;
  background: #000;
}

.sv-lineup {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.82rem;
}

.sv-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--sv-line);
  background: rgba(11, 16, 28, 0.95);
}

.sv-footer .sv-wrap {
  padding: 1rem 0 1.4rem;
}

.sv-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.sv-links a {
  color: #92dfff;
}

.sv-gate {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(7, 12, 23, 0.88);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.sv-gate[hidden] {
  display: none;
}

.sv-gate-panel {
  width: min(520px, 95vw);
  background: #162544;
  border: 1px solid #67d5ed;
  border-radius: 15px;
  padding: 1rem;
}

.sv-gate-actions {
  display: flex;
  gap: 0.7rem;
  margin-top: 1rem;
}

.sv-gate-actions button {
  flex: 1;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem;
  font-weight: 800;
  cursor: pointer;
}

.sv-go {
  background: linear-gradient(120deg, #6df8ff, #78a3ff);
  color: #0e2333;
}

.sv-stop {
  background: #2b3f67;
  color: #e9f6ff;
}

@media (max-width: 990px) {
  .sv-hero {
    grid-template-columns: 1fr;
  }

  .sv-notes,
  .sv-lineup {
    grid-template-columns: 1fr;
  }

  .sv-burger {
    display: inline-block;
  }

  .sv-nav {
    display: none;
    position: absolute;
    top: 74px;
    right: 2vw;
    width: min(280px, 92vw);
    flex-direction: column;
    background: #162544;
    border: 1px solid #67d5ed;
    border-radius: 12px;
    padding: 0.6rem;
  }

  .sv-nav.open {
    display: flex;
  }
}