:root {
    --bg-base: #0c1422;
    --bg-mid: #101a2e;
    --card-face: #162236;
    --card-edge: rgba(120, 180, 255, 0.12);
    --text: #eef3f9;
    --muted: #94a8c4;
    --accent: #7ec8ff;
    --accent-soft: rgba(126, 200, 255, 0.18);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text);
    min-height: 100vh;
    background-color: var(--bg-base);
    background-image:
        radial-gradient(ellipse 100% 80% at 50% -30%, rgba(70, 130, 220, 0.35) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 110% 20%, rgba(50, 100, 200, 0.2) 0%, transparent 45%),
        radial-gradient(ellipse 60% 45% at -10% 70%, rgba(40, 90, 180, 0.18) 0%, transparent 45%),
        linear-gradient(165deg, #0a1220 0%, var(--bg-mid) 45%, var(--bg-base) 100%);
}

.page {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

/* Soft depth blobs behind content */
.bg-blobs {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(circle 28rem at 50% 40%, rgba(100, 160, 255, 0.08) 0%, transparent 70%),
        radial-gradient(circle 22rem at 30% 85%, rgba(60, 120, 200, 0.06) 0%, transparent 65%);
}

.page-inner {
    position: relative;
    z-index: 1;
    flex: 1;
    width: 100%;
    max-width: 32rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem;
}

.header {
    margin-bottom: 2rem;
}

.logo {
    display: inline-block;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: var(--accent);
    text-shadow: 0 0 24px rgba(126, 200, 255, 0.35);
}

.main {
    width: 100%;
    display: flex;
    justify-content: center;
}

.card {
    position: relative;
    max-width: 26rem;
    width: 100%;
    padding: 2.25rem 2rem;
    text-align: center;
    border-radius: 1.125rem;
    background:
        linear-gradient(155deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 40%, transparent 65%),
        linear-gradient(180deg, rgba(22, 34, 54, 0.95) 0%, rgba(14, 24, 42, 0.98) 100%);
    border: 1px solid var(--card-edge);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.06) inset,
        0 -1px 0 rgba(0, 0, 0, 0.2) inset,
        0 4px 6px rgba(0, 0, 0, 0.15),
        0 20px 50px rgba(0, 0, 0, 0.45),
        0 0 80px rgba(60, 120, 200, 0.08);
}

/* Top highlight for depth — behind text */
.card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, transparent 42%);
    pointer-events: none;
}

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

.tag {
    display: inline-block;
    margin: 0 0 1.35rem;
    padding: 0.4rem 0.85rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
    border: 1px solid rgba(126, 200, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.card h1 {
    margin: 0 0 0.85rem;
    font-size: clamp(1.35rem, 4vw, 1.7rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.35;
    text-wrap: balance;
}

.sub {
    margin: 0;
    font-size: 0.98rem;
    color: var(--muted);
    line-height: 1.55;
    text-wrap: balance;
}

.footer {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 1.5rem 1.5rem 2rem;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--muted);
    opacity: 0.9;
}