:root { color-scheme: dark; font-family: Manrope, system-ui, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; color: #eff8ff; background: radial-gradient(circle at 12% 8%, #075c75 0, transparent 34%), radial-gradient(circle at 90% 84%, #3f2949 0, transparent 36%), #020916; }
main { width: min(1100px, 92vw); margin: 0 auto; padding: 70px 0; }
header span { color: #62d2ff; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1 { margin: 12px 0 8px; font-size: clamp(2.8rem, 8vw, 6rem); }
header p { max-width: 720px; color: #aebed2; font-size: 1.08rem; }
section { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 45px 0 30px; }
section a { min-height: 220px; display: flex; flex-direction: column; justify-content: end; gap: 10px; padding: 28px; border: 1px solid #28536b; border-radius: 24px; color: inherit; text-decoration: none; background: linear-gradient(145deg, #0a2032, #081122); transition: transform .2s, border-color .2s; }
section a:hover { transform: translateY(-4px); border-color: #5ed1ff; }
strong { font-size: 1.8rem; }
small { color: #aebed2; line-height: 1.5; }
.back { display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 10px 18px; border: 1px solid rgba(94, 209, 255, .52); border-radius: 999px; color: #c7f1ff; background: rgba(11, 75, 104, .26); box-shadow: 0 12px 34px rgba(0, 0, 0, .22), inset 0 1px rgba(255, 255, 255, .08); font-weight: 800; text-decoration: none; transition: transform .2s, border-color .2s, background .2s, box-shadow .2s; }
.back span { display: grid; width: 25px; height: 25px; place-items: center; border-radius: 50%; background: rgba(94, 209, 255, .14); font-size: 1rem; line-height: 1; }
.back:hover, .back:focus-visible { border-color: #8de5ff; outline: none; background: rgba(15, 111, 149, .32); box-shadow: 0 14px 38px rgba(0, 0, 0, .28), 0 0 24px rgba(94, 209, 255, .12); transform: translateY(-2px); }
@media (max-width: 760px) { section { grid-template-columns: 1fr; } section a { min-height: 155px; } }