:root {
  --bg: #071b16;
  --bg-2: #0b2f26;
  --panel: rgba(8, 34, 28, 0.78);
  --panel-hover: rgba(10, 54, 44, 0.92);
  --text: #eefbf5;
  --muted: #a8c9bd;
  --line: rgba(153, 255, 207, 0.18);
  --accent: #00e08a;
  --accent-soft: rgba(0, 224, 138, 0.16);
  --shadow: rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 14%, rgba(0, 224, 138, 0.25), transparent 28rem),
    radial-gradient(circle at 82% 10%, rgba(34, 201, 120, 0.2), transparent 26rem),
    radial-gradient(circle at 50% 105%, rgba(0, 224, 138, 0.14), transparent 30rem),
    linear-gradient(135deg, #05110f 0%, var(--bg) 46%, var(--bg-2) 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.82), transparent 78%);
}

.landing {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 32px;
}

.ambient {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(2px);
  pointer-events: none;
}

.ambient-one {
  width: min(52vw, 520px);
  height: min(52vw, 520px);
  top: -180px;
  right: -140px;
  background: radial-gradient(circle, rgba(0, 224, 138, 0.4), transparent 68%);
}

.ambient-two {
  width: min(44vw, 440px);
  height: min(44vw, 440px);
  left: -150px;
  bottom: -170px;
  background: radial-gradient(circle, rgba(34, 201, 120, 0.25), transparent 68%);
}

.card {
  width: min(100%, 440px);
  padding: clamp(24px, 6vw, 38px);
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(180deg, rgba(11, 49, 40, 0.7), rgba(4, 18, 15, 0.82));
  box-shadow:
    0 28px 90px var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 0 10px rgba(0, 224, 138, 0.035);
  backdrop-filter: blur(22px);
}

.logo {
  display: block;
  width: min(100%, 300px);
  aspect-ratio: 1;
  object-fit: cover;
  margin: 0 auto 26px;
  border: 1px solid rgba(195, 255, 225, 0.22);
  border-radius: 30px;
  box-shadow:
    0 22px 60px rgba(0, 0, 0, 0.4),
    0 0 0 8px rgba(0, 224, 138, 0.05);
}

.card-title {
  margin: 0 0 20px;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.links {
  display: grid;
  gap: 12px;
}

.telegram-link {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  gap: 14px;
  min-height: 70px;
  padding: 12px 14px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.18);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.telegram-link:hover,
.telegram-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(0, 224, 138, 0.48);
  background: var(--panel-hover);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.28), 0 0 26px var(--accent-soft);
  outline: none;
}

.telegram-link img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(42, 171, 238, 0.26);
}

.telegram-link span {
  display: grid;
  gap: 2px;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.telegram-link small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@media (max-width: 520px) {
  .landing {
    padding: 20px;
  }

  .card {
    border-radius: 28px;
  }

  .logo {
    width: min(100%, 260px);
    border-radius: 26px;
  }

  .telegram-link {
    grid-template-columns: 42px 1fr;
    gap: 12px;
  }

  .telegram-link img {
    width: 42px;
    height: 42px;
  }
}