*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --bg: #000000;
  --fg: #f0f6fc;
  --accent: #58a6ff;
  --surface: #161b2299;
  --blur: 24px;
  --radius: 1rem;
  --font: system-ui, Roboto, Helvetica, Arial, sans-serif;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

header {
  padding: clamp(1.5rem, 5vw, 2.5rem) 1rem 1.5rem;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 7vw, 3rem);
  font-weight: 700;
  letter-spacing: -.02em;
}
header h3 {
  margin: .25rem 0 .75rem;
  font-weight: 400;
  font-size: 1.1rem;
}
header img {
  width: clamp(80px, 18vw, 128px);
  height: auto;
  border-radius: 50%;
}

main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem) 3rem;
}
h2 {
  margin: 2rem 0 1rem;
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  color: var(--accent);
}


.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: 1.25rem;
}


.card {
  position: relative;
  padding: clamp(1.25rem, 4vw, 1.75rem);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  background: var(--surface);
  backdrop-filter: blur(var(--blur));
  overflow: hidden;
  cursor: pointer;
  transition: transform .4s cubic-bezier(.34, 1.56, .64, 1), box-shadow .4s;
  color: var(--fg);
}

.card h3   { color: cyan; }
.card p    { color: #C657BD; 
  margin: 0 0 .5rem;
  font-size: clamp(1.7rem, 3vw, 1.25rem);
  font-weight: 600;
  }

.card::before {
  content: "";
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 180deg at 50% 50%, transparent 0deg, var(--accent) 60deg, transparent 120deg);
  opacity: 0;
  transition: opacity .4s, transform .6s;
  transform: rotate(0deg);
}
.card:hover::before,
.card:active::before {
  opacity: .15;
  transform: rotate(360deg);
}
.card:hover,
.card:active {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 30px color-mix(in srgb, var(--accent) 30%, transparent);
}
.card:active {
  background: rgba(88, 166, 255, 0.15);
  transition: none;
}
.card h3 {
  margin: 0 0 .5rem;
  font-size: clamp(1.3rem, 3vw, 1.25rem);
  font-weight: 600;
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: color-mix(in srgb, var(--fg) 60%, transparent);
  font-size: clamp(.75rem, 2vw, .875rem);
}
footer a {
  color: var(--accent);
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}