:root {
    --bg: #030406;
    --bg-2: #090b12;
    --bg-3: #10131b;

    --panel: rgba(15, 17, 24, 0.68);
    --panel-strong: rgba(10, 12, 18, 0.88);

    --border: rgba(255, 255, 255, 0.13);
    --border-strong: rgba(255, 255, 255, 0.22);

    --text: #ffffff;
    --muted: rgba(255, 255, 255, 0.78);
    --soft: rgba(255, 255, 255, 0.58);
    --faint: rgba(255, 255, 255, 0.42);

    --pink: #ff2fab;
    --hot-pink: #ff4fc1;
    --rose: #ff5a6b;
    --cyan: #17dcff;
    --blue: #4d7dff;
    --wine: #b00068;
    --violet: #7b3dff;

    --shadow-xl: 0 34px 100px rgba(0, 0, 0, 0.52);
    --shadow-lg: 0 22px 60px rgba(0, 0, 0, 0.38);

    --glow-cyan: 0 0 42px rgba(23, 220, 255, 0.22);
    --glow-pink: 0 0 42px rgba(255, 47, 171, 0.20);

    --radius-xl: 34px;
    --radius-lg: 26px;
    --radius-md: 18px;

    --max-width: 1240px;
    --ease: 320ms cubic-bezier(.2,.8,.2,1);
    --nav-height: 86px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    overflow-x: hidden;
    background:
            radial-gradient(circle at 12% 16%, rgba(255, 47, 171, 0.24), transparent 20%),
            radial-gradient(circle at 84% 18%, rgba(23, 220, 255, 0.22), transparent 22%),
            radial-gradient(circle at 68% 76%, rgba(255, 90, 107, 0.14), transparent 20%),
            radial-gradient(circle at 46% 88%, rgba(77, 125, 255, 0.18), transparent 22%),
            linear-gradient(180deg, #020304 0%, #070910 44%, #020304 100%);
}

/* dark wash */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
            linear-gradient(rgba(3, 4, 6, 0.36), rgba(3, 4, 6, 0.76)),
            url("/static/logos/sse.png") center 34% / 520px auto no-repeat;
    opacity: 0.13;
    filter: saturate(1.2);
}

/* stars + nebula haze */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
            radial-gradient(circle at 20% 30%, rgba(255,255,255,0.9) 0 1px, transparent 1.6px),
            radial-gradient(circle at 70% 16%, rgba(255,255,255,0.75) 0 1px, transparent 1.7px),
            radial-gradient(circle at 82% 42%, rgba(255,255,255,0.65) 0 1px, transparent 1.8px),
            radial-gradient(circle at 42% 64%, rgba(255,255,255,0.8) 0 1px, transparent 1.7px),
            radial-gradient(circle at 14% 78%, rgba(255,255,255,0.75) 0 1px, transparent 1.7px),
            radial-gradient(circle at 50% 50%, rgba(255, 47, 171, 0.10), transparent 22%),
            radial-gradient(circle at 78% 28%, rgba(23, 220, 255, 0.10), transparent 18%),
            radial-gradient(circle at 25% 72%, rgba(123, 61, 255, 0.08), transparent 18%);
    background-size:
            280px 280px,
            320px 320px,
            360px 360px,
            300px 300px,
            340px 340px,
            auto,
            auto,
            auto;
    opacity: 0.42;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.display {
    font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-transform: none;
}

.site-wrap {
    position: relative;
    z-index: 1;
}

.container,
.page-shell {
    width: min(calc(100% - 44px), var(--max-width));
    margin: 0 auto;
}

.page-shell {
    padding: 34px 0 88px;
}

.section {
    margin-top: 30px;
}

.section-head {
    margin-bottom: 18px;
}

.eyebrow {
    margin: 0 0 12px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.30em;
    color: rgba(255,255,255,0.62);
}

.eyebrow::after {
    content: "";
    display: block;
    width: 78px;
    height: 1px;
    margin-top: 14px;
    background: linear-gradient(90deg, var(--pink), var(--cyan), rgba(255,255,255,0));
}

.section-title {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 0.95;
    letter-spacing: -0.05em;
}

.section-copy {
    margin: 14px 0 0;
    max-width: 780px;
    color: var(--muted);
    line-height: 1.84;
    font-size: 1rem;
}

.glass {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255,255,255,0.14);
    background:
            linear-gradient(180deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.06) 14%, rgba(255,255,255,0.02) 100%),
            linear-gradient(135deg, rgba(255, 47, 171, 0.10), rgba(23, 220, 255, 0.09) 54%, rgba(255, 90, 107, 0.08)),
            rgba(12, 14, 20, 0.70);
    backdrop-filter: blur(24px) saturate(148%);
    -webkit-backdrop-filter: blur(24px) saturate(148%);
    box-shadow:
            var(--shadow-xl),
            inset 0 1px 0 rgba(255,255,255,0.22),
            inset 0 -1px 0 rgba(255,255,255,0.05);
}

.glass::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
            linear-gradient(120deg, rgba(255,255,255,0.26) 0%, rgba(255,255,255,0.06) 20%, transparent 40%),
            radial-gradient(circle at top left, rgba(255, 47, 171, 0.20), transparent 30%),
            radial-gradient(circle at bottom right, rgba(23, 220, 255, 0.18), transparent 34%);
    opacity: 1;
}

.glass::after {
    content: "";
    position: absolute;
    inset: auto 10% 0 10%;
    height: 36%;
    pointer-events: none;
    background: linear-gradient(to top, rgba(255,255,255,0.05), transparent);
    opacity: 0.6;
}

.glass > * {
    position: relative;
    z-index: 1;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.06);
    color: var(--text);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition:
            transform var(--ease),
            border-color var(--ease),
            background var(--ease),
            box-shadow var(--ease);
}

.button:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    background: rgba(255,255,255,0.12);
}

.button.primary {
    border: none;
    background: linear-gradient(135deg, var(--pink), var(--wine), var(--cyan));
    box-shadow: var(--glow-pink), var(--glow-cyan);
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.tag {
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.10);
    background: rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.88);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.10em;
}

@media (max-width: 720px) {
    .container,
    .page-shell {
        width: min(calc(100% - 24px), var(--max-width));
    }

    body::before {
        background:
                linear-gradient(rgba(3, 4, 6, 0.44), rgba(3, 4, 6, 0.78)),
                url("/static/logos/sse.png") center 28% / 320px auto no-repeat;
        opacity: 0.12;
    }
}