:root {
    --bg: #0b0d10;
    --bg-alt: #12151b;
    --text: #e6e6e6;
    --muted: #9aa0a6;
    --accent: #1e88e5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, Helvetica, Arial, sans-serif;
    background: radial-gradient(circle at top, #121826, var(--bg));
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card {
    background: linear-gradient(180deg, var(--bg-alt), var(--bg));
    border-radius: 16px;
    padding: 48px 40px;
    max-width: 720px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    text-align: center;
}

.logo {
    max-width: 320px;
    margin: 0 auto 32px;
}

.logo img {
    width: 100%;
    height: auto;
}

h1 {
    font-size: 32px;
    font-weight: 600;
    margin: 0 0 16px;
    letter-spacing: 0.5px;
}

.tagline {
    color: var(--muted);
    font-size: 18px;
    margin-bottom: 32px;
}

.tech {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    margin-bottom: 40px;
}

.tech span {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 14px 10px;
    border-radius: 10px;
    font-size: 14px;
    letter-spacing: 0.8px;
    color: #cfd8dc;
}

.contact {
    font-size: 16px;
}

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

.contact a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 24px;
    font-size: 13px;
    color: var(--muted);
}