* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background: #030308;
    color: #e5e5e5;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    min-height: 100vh;
}

#universe {
    position: fixed;
    inset: 0;
    z-index: 0;
    display: block;
}

.glow {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 900px 700px at 50% -10%, rgba(106, 169, 255, 0.18), transparent 70%),
        radial-gradient(ellipse 700px 600px at 90% 20%, rgba(168, 85, 247, 0.10), transparent 70%),
        radial-gradient(ellipse 600px 500px at 5% 80%, rgba(106, 169, 255, 0.08), transparent 70%);
}

.container {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: auto;
    padding: 100px 24px 60px;
}

header {
    margin-bottom: 56px;
}

.mark {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, #6aa9ff, #a855f7);
    color: #fff;
    font-weight: 700;
    font-size: 1.25rem;
}

h1 {
    margin: 0 0 16px;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff, #a3a3a3);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 6px 14px;
    border: 1px solid #2a2a2a;
    border-radius: 999px;
    background: #0d0d0d;
    color: #a3a3a3;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

section {
    margin-bottom: 40px;
}

h2 {
    margin: 0 0 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #6aa9ff;
}

p {
    margin: 0;
    color: #b3b3b3;
    max-width: 52ch;
}

.contact-card {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border: 1px solid #262626;
    border-radius: 10px;
    background: #0d0d0d;
    color: #e5e5e5;
    text-decoration: none;
    font-size: 0.95rem;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.contact-card:hover {
    border-color: #6aa9ff;
    background: #111318;
}

.contact-card .icon {
    color: #6aa9ff;
    flex-shrink: 0;
}

footer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #1a1a1a;
    color: #525252;
    font-size: 13px;
}