:root {
  color-scheme: dark;
  --bg: #05091e;
  --text: #f7f9ff;
  --muted: #b9c5ec;
  --cyan: #3ff1ff;
  --pink: #ff38b6;
  --violet: #9a67ff;
  --panel: rgba(3, 9, 31, 0.62);
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  min-height: 100vh;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(2, 5, 19, 0.04), rgba(2, 5, 19, 0.56)),
    url('/images/gentlebeatz-night-sky-v1.png') center / cover fixed;
}
a { color: inherit; }
.gb-shell {
  min-height: calc(100vh - 72px);
  display: grid;
  place-items: center;
  padding: clamp(28px, 5vw, 64px) 20px 22px;
}
.gb-hero {
  position: relative;
  width: min(1080px, 100%);
  overflow: hidden;
  padding: clamp(34px, 5vw, 58px) clamp(22px, 6vw, 72px) clamp(30px, 5vw, 52px);
  border-radius: clamp(22px, 3vw, 36px);
  border: 1px solid rgba(106, 241, 255, 0.58);
  background:
    linear-gradient(135deg, rgba(8, 24, 68, 0.42), rgba(18, 8, 52, 0.34)),
    rgba(6, 13, 41, 0.38);
  box-shadow:
    0 34px 110px rgba(0, 0, 0, 0.45),
    inset 0 0 86px rgba(63, 241, 255, 0.09),
    inset 0 0 120px rgba(255, 56, 182, 0.05),
    0 0 30px rgba(63, 241, 255, 0.36),
    0 0 42px rgba(255, 56, 182, 0.18);
  text-align: center;
  backdrop-filter: blur(22px) saturate(1.35);
  -webkit-backdrop-filter: blur(22px) saturate(1.35);
}
.gb-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(120deg, rgba(63, 241, 255, 0.95), rgba(63, 241, 255, 0.14) 34%, rgba(255, 56, 182, 0.22) 62%, rgba(255, 56, 182, 0.95));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.gb-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  top: 38%;
  height: 180px;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 18% 48%, rgba(63, 241, 255, 0.58), transparent 32%),
    radial-gradient(ellipse at 82% 46%, rgba(255, 56, 182, 0.62), transparent 34%),
    linear-gradient(105deg, transparent 10%, rgba(63, 241, 255, 0.18), rgba(255, 56, 182, 0.22), transparent 90%);
  filter: blur(18px);
  opacity: 0.7;
}
.gb-logo,
.gb-kicker,
h1,
.gb-copy,
.gb-links { position: relative; z-index: 1; }
.gb-logo {
  width: clamp(118px, 13vw, 156px);
  height: clamp(80px, 9vw, 112px);
  object-fit: contain;
  margin: 0 auto 18px;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.34));
}
.gb-kicker {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: clamp(12px, 1.25vw, 15px);
  font-weight: 900;
  letter-spacing: 0.36em;
  text-transform: uppercase;
}
h1 {
  max-width: 900px;
  margin: 0 auto;
  font-size: clamp(42px, 7.2vw, 86px);
  line-height: 0.95;
  letter-spacing: 0;
  background: linear-gradient(100deg, var(--cyan) 8%, #f8fbff 42%, var(--pink) 70%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 36px rgba(63, 241, 255, 0.14);
}
.gb-copy {
  max-width: 520px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.5;
}
.gb-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 24px);
  margin-top: clamp(30px, 4.6vw, 48px);
}
.gb-card {
  position: relative;
  display: grid;
  gap: 10px;
  min-height: 168px;
  align-content: center;
  justify-items: center;
  padding: 22px 18px 28px;
  border: 1px solid rgba(63, 241, 255, 0.34);
  border-radius: 16px;
  text-decoration: none;
  background: linear-gradient(180deg, rgba(12, 30, 72, 0.36), rgba(5, 12, 42, 0.3));
  box-shadow: inset 0 0 42px rgba(63, 241, 255, 0.07), 0 0 22px rgba(63, 241, 255, 0.07);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.gb-card::after {
  content: "";
  position: absolute;
  left: 28%;
  right: 28%;
  bottom: -2px;
  height: 3px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}
.gb-card:hover,
.gb-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 0 34px rgba(63, 241, 255, 0.18), inset 0 0 58px rgba(63, 241, 255, 0.08);
  outline: none;
}
.gb-card--accent {
  border-color: rgba(255, 56, 182, 0.48);
}
.gb-card--accent::after {
  background: var(--pink);
  box-shadow: 0 0 18px var(--pink);
}
.gb-icon {
  display: block;
  color: var(--cyan);
  font-size: 54px;
  font-weight: 400;
  line-height: 1;
  filter: drop-shadow(0 0 12px currentColor) drop-shadow(0 0 22px currentColor);
}
.gb-card--accent .gb-icon {
  display: block;
  color: var(--cyan);
  font-size: 54px;
  font-weight: 400;
  line-height: 1;
  filter: drop-shadow(0 0 12px currentColor) drop-shadow(0 0 22px currentColor);
}
.gb-card--accent span:not(.gb-icon) { color: #ff8cda; }
.gb-card strong {
  color: #ffffff;
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1;
}
.gb-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 22px;
  padding: 20px 20px 30px;
  color: rgba(245, 248, 255, 0.72);
  font-size: 14px;
}
.gb-footer a { text-decoration: none; }
.gb-footer a:hover { color: var(--cyan); }
@media (max-width: 760px) {
  .gb-shell { min-height: auto; padding-top: 34px; }
  .gb-hero {
  position: relative;
  width: min(1080px, 100%);
  overflow: hidden;
  padding: clamp(34px, 5vw, 58px) clamp(22px, 6vw, 72px) clamp(30px, 5vw, 52px);
  border-radius: clamp(22px, 3vw, 36px);
  border: 1px solid rgba(106, 241, 255, 0.58);
  background:
    linear-gradient(135deg, rgba(8, 24, 68, 0.42), rgba(18, 8, 52, 0.34)),
    rgba(6, 13, 41, 0.38);
  box-shadow:
    0 34px 110px rgba(0, 0, 0, 0.45),
    inset 0 0 86px rgba(63, 241, 255, 0.09),
    inset 0 0 120px rgba(255, 56, 182, 0.05),
    0 0 30px rgba(63, 241, 255, 0.36),
    0 0 42px rgba(255, 56, 182, 0.18);
  text-align: center;
  backdrop-filter: blur(22px) saturate(1.35);
  -webkit-backdrop-filter: blur(22px) saturate(1.35);
}