/* Root theme tokens (inspired by Stripe’s rich gradients and clean UI) */
:root {
  --bg: #0a0b1e;
  --bg-2: #0b1029;
  --text: #e6e6f0;
  --muted: #a3a6c2;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --primary: #635bff; /* Stripe Purple */
  --accent: #00d4ff; /* Cyan accent */
  --ring: #8a85ff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Noto Sans, Cantarell, Helvetica Neue, Arial, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol";
  line-height: 1.5;
  color: var(--text);
  background: radial-gradient(
      1200px 700px at 80% -10%,
      #1f1459 0%,
      transparent 60%
    ),
    radial-gradient(900px 500px at -10% 20%, #132248 0%, transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

/* Animated glow orbs for a premium feel */
.bg::before,
.bg::after {
  content: "";
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  background: radial-gradient(
    closest-side,
    rgba(99, 91, 255, 0.35),
    transparent 70%
  );
  filter: blur(40px);
  transform: translate(-20%, -20%);
  animation: float 18s ease-in-out infinite;
}
.bg::after {
  background: radial-gradient(
    closest-side,
    rgba(0, 212, 255, 0.28),
    transparent 70%
  );
  left: auto;
  right: -10%;
  top: 40%;
  transform: translate(20%, -10%);
  animation-duration: 22s;
}

@keyframes float {
  0% {
    transform: translate(-4%, -2%) scale(1);
  }
  50% {
    transform: translate(2%, 3%) scale(1.05);
  }
  100% {
    transform: translate(-4%, -2%) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg::before,
  .bg::after {
    animation: none;
  }
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 6rem 1.25rem 4rem;
}

.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.title {
  margin: 0 0 0.25rem 0;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(2rem, 3.4vw + 1rem, 3.25rem);
}

.subtitle {
  margin: 0 0 1rem 0;
  color: var(--muted);
  font-weight: 600;
}

.tagline {
  margin: 0 auto;
  max-width: 56ch;
  color: #cfd2e6;
  font-size: 1.05rem;
}

.cta {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.1rem;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--surface-strong);
  backdrop-filter: saturate(120%) blur(6px);
  -webkit-backdrop-filter: saturate(120%) blur(6px);
  transition: transform 140ms ease, background-color 140ms ease,
    border-color 140ms ease, box-shadow 140ms ease;
}
.button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklab, var(--ring) 60%, white 0%);
  box-shadow: 0 10px 25px rgba(99, 91, 255, 0.25);
}
.button.primary {
  background: linear-gradient(
    135deg,
    var(--primary),
    #3a7bd5 60%,
    var(--accent)
  );
  color: #0b0c10;
  font-weight: 700;
  border: none;
}
.button.ghost {
  background: transparent;
}
.button:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}

.links {
  margin-top: 2.5rem;
  padding: 1.25rem;
  border-radius: 16px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.03)
  );
  border: 1px solid var(--surface-strong);
  box-shadow: var(--shadow);
}

.links h2 {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c5c7df;
}

.link-grid {
  --min: 260px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--min), 1fr));
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 1rem 1rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
  color: var(--text);
  transition: border-color 140ms ease, transform 140ms ease,
    background-color 140ms ease, box-shadow 140ms ease;
}
.link-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
  border-color: color-mix(in oklab, var(--ring) 70%, white 0%);
  box-shadow: 0 10px 25px rgba(0, 212, 255, 0.25);
}
.link-card .label {
  font-weight: 600;
  color: #d9dbf0;
}
.link-card .value {
  opacity: 0.9;
  font-variant-ligatures: no-contextual;
}

.footer {
  margin-top: 2.25rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Small screens fine-tuning */
@media (max-width: 420px) {
  .tagline {
    font-size: 1rem;
  }
  .links {
    padding: 1rem;
  }
  .button {
    width: 100%;
  }
}