:root {
    color-scheme: dark;
    --bg: #0b1220;
    --bg-accent: #0f172a;
    --card: rgba(15, 23, 42, 0.82);
    --stroke: rgba(148, 163, 184, 0.18);
    --stroke-strong: rgba(148, 163, 184, 0.4);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --glow: rgba(56, 189, 248, 0.18);
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    margin: 0;
    padding: 0;
    display: grid;
    place-items: center;
    min-height: 100vh;
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 55%),
        linear-gradient(145deg, var(--bg), var(--bg-accent));
    color: var(--text);
}

.card {
    text-align: center;
    padding: 2.75rem 3.25rem;
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
    max-width: 640px;
    width: min(92vw, 640px);
    backdrop-filter: blur(10px);
}

h1 {
    margin: 0 0 0.75rem;
    font-size: clamp(2rem, 2.5vw, 2.5rem);
    letter-spacing: 0.02em;
}

#title-text {
    display: inline-block;
    position: relative;
}

#title-text::after {
    content: "";
    display: inline-block;
    width: 0.08em;
    height: 1em;
    margin-left: 0.12em;
    background: currentColor;
    opacity: 0.7;
    transform: translateY(0.08em);
    animation: caret-blink 900ms steps(1) infinite;
}

@keyframes caret-blink {
    50% {
        opacity: 0.15;
    }
}

p {
    margin: 0.25rem 0 0.75rem;
    color: var(--muted);
}

.links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.75rem;
}

.link-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.1rem;
    padding: 1.35rem 1.6rem;
    min-height: 84px;
    border-radius: 14px;
    border: 1px solid var(--stroke);
    color: var(--text);
    text-decoration: none;
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.75), rgba(15, 23, 42, 0.85));
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
    overflow: hidden;
    opacity: 0;
    transform: translateY(8px);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease,
        background 180ms ease, opacity 280ms ease;
}

body.is-ready .link-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: var(--delay, 0ms);
}

.link-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(56, 189, 248, 0.2), transparent 55%);
    background-size: 200% 100%;
    opacity: 0;
    transition: opacity 200ms ease;
}

.link-card:hover {
    border-color: var(--stroke-strong);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 22px var(--glow);
}

.link-card:hover::before {
    opacity: 1;
    animation: light-sway 1400ms ease-in-out infinite;
}

.link-card:focus-visible {
    outline: 2px solid rgba(56, 189, 248, 0.7);
    outline-offset: 2px;
}

.link-card.is-clicked {
    animation: pulse 260ms ease;
}

@keyframes light-sway {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.98);
    }
    100% {
        transform: scale(1);
    }
}

.icon {
    font-size: 1.75rem;
    line-height: 1;
    opacity: 0.92;
    position: relative;
    z-index: 1;
}

.link-title {
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: 0.01em;
    position: relative;
    z-index: 1;
}

.footer {
    margin-top: 1.75rem;
    font-size: 0.85rem;
    color: #64748b;
}

@media (max-width: 600px) {
    .card {
        padding: 2.25rem;
        margin: 1rem;
    }

    .link-card {
        min-height: 80px;
    }
}