:root {
    --bg: #04030f;
    --bg-alt: #0c0b1e;
    --accent: #8f5eff;
    --accent-2: #35e0ff;
    --text: #f4f4ff;
    --muted: #a5a5c3;
    --card: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.12);
    --radius: 22px;
    --blur: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at 20% 20%, rgba(53, 224, 255, 0.2), transparent 35%),
        radial-gradient(circle at 80% 0%, rgba(143, 94, 255, 0.25), transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(143, 94, 255, 0.3), transparent 55%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

main {
    width: min(960px, 90vw);
    margin: 0 auto;
    padding: 4rem 0 5rem;
    position: relative;
    z-index: 2;
}

.noise-overlay {
    position: fixed;
    inset: 0;
    background-image: url("https://www.transparenttextures.com/patterns/asfalt-dark.png");
    opacity: 0.15;
    mix-blend-mode: screen;
    pointer-events: none;
    z-index: 0;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.tagline {
    color: var(--muted);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.logo {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    letter-spacing: 0.08em;
}

.logo span,
.brand-accent {
    color: var(--accent);
}

.hero {
    text-align: center;
    margin: 5rem auto 4rem;
    max-width: 720px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.35em;
    font-size: 0.85rem;
    color: var(--accent-2);
}

h1 {
    font-size: clamp(3.4rem, 10vw, 6.75rem);
    margin: 1.5rem 0 2rem;
    line-height: 1.05;
    letter-spacing: 0.04em;
    padding: 0.75rem 0;
    background: transparent;
    border: none;
    text-shadow: 0 15px 40px rgba(4, 3, 15, 0.55), 0 8px 24px rgba(53, 224, 255, 0.25);
}

.separator {
    display: inline-block;
    margin: 0 0.35em;
    color: var(--muted);
}

.coming-soon {
    display: inline-flex;
    gap: 0.08em;
}

.coming-soon span {
    display: inline-block;
    opacity: 0;
    transform: translateY(0.6em) scale(0.8);
    animation: letter-pop 0.65s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
    animation-delay: calc(var(--index) * 0.08s);
}

@keyframes letter-pop {
    0% {
        opacity: 0;
        transform: translateY(0.6em) scale(0.8);
    }
    60% {
        opacity: 1;
        transform: translateY(-0.1em) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.cta-group {
    margin: 2.75rem auto 0;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.primary,
.ghost {
    padding: 1rem 2.6rem;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
    font-size: 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease,
        color 0.2s ease, border-color 0.2s ease;
}

.primary {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    color: var(--bg);
    box-shadow: 0 14px 35px rgba(53, 224, 255, 0.3);
}

.primary:hover,
.primary:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(53, 224, 255, 0.4);
}

.ghost {
    border-color: var(--border);
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.ghost:hover,
.ghost:focus-visible {
    border-color: var(--accent-2);
    color: var(--accent-2);
    background: rgba(53, 224, 255, 0.08);
    transform: translateY(-3px);
}

.rickroll {
    margin: 4rem auto 0;
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(4, 3, 15, 0.45);
    backdrop-filter: blur(var(--blur));
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    align-items: center;
}

.rickroll h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    margin-bottom: 0.75rem;
}

.rickroll p {
    color: var(--muted);
}

.rickroll-frame {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border-radius: calc(var(--radius) - 4px);
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(4, 3, 15, 0.4);
}

.rickroll-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

footer {
    margin-top: 4rem;
    text-align: center;
    color: var(--muted);
}

footer p {
    font-size: 0.95rem;
}

footer a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
}

footer a:hover {
    color: var(--accent-2);
    text-decoration: underline;
}

canvas#stars {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

@media (max-width: 640px) {
    .site-header {
        flex-direction: column;
        text-align: center;
    }

    .tagline {
        letter-spacing: 0.25em;
    }

    h1 {
        padding: 2rem 1rem;
    }

    .primary,
    .ghost {
        width: 100%;
        text-align: center;
    }
}