/* file: styles.css */
:root {
  --bg: #0b1020;
  --card: rgba(255, 255, 255, 0.08);
  --card2: rgba(255, 255, 255, 0.06);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 70px rgba(0, 0, 0, 0.45);
  --radius: 22px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

.bg {
  position: fixed;
  inset: -20%;
  z-index: -1;
  background:
    radial-gradient(900px 600px at 20% 15%, rgba(0, 183, 255, 0.22), transparent 60%),
    radial-gradient(800px 540px at 75% 30%, rgba(255, 0, 170, 0.18), transparent 65%),
    radial-gradient(900px 700px at 55% 85%, rgba(0, 255, 170, 0.12), transparent 60%);
  filter: blur(10px);
  transform: translateZ(0);
}

.wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 28px 18px;
}

.top {
  width: min(980px, 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  backdrop-filter: blur(10px);
}

.logo .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 183, 255, 1), rgba(255, 0, 170, 1));
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.06);
}

.logo .word {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  gap: 10px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 120ms ease, background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.nav a:hover {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

.card {
  width: min(980px, 100%);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--card), var(--card2));
  box-shadow: var(--shadow);
  padding: clamp(22px, 4vw, 42px);
  backdrop-filter: blur(14px);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(30px, 4.2vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 26px;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.6;
  max-width: 58ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn.primary {
  border: none;
  background: linear-gradient(135deg, rgba(0, 183, 255, 0.90), rgba(255, 0, 170, 0.85));
}

.btn.primary:hover {
  background: linear-gradient(135deg, rgba(0, 183, 255, 1), rgba(255, 0, 170, 0.95));
}

.btn.ghost {
  background: transparent;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.pill {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 10px;
  border-radius: 999px;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.sep { opacity: 0.6; }
.hint { opacity: 0.85; }

@media (max-width: 520px) {
  .nav { display: none; }
  .top { justify-content: center; }
}