:root {
    --background: #0b1120;
    --surface: #111827;
    --surface-light: #1f2937;
    --border: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-soft: #7dd3fc;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 35%),
        var(--background);
    color: var(--text-primary);
    font-family: "Segoe UI", Arial, sans-serif;
    line-height: 1.7;
}

.site-header,
main,
footer {
    max-width: 1100px;
    margin: 0 auto;
}

.site-header {
    padding: 48px 28px 20px;
}

.header-text {
    border-bottom: 1px solid var(--border);
    padding-bottom: 24px;
}

h1 {
    margin: 0;
    font-size: 3rem;
    letter-spacing: -0.04em;
    color: var(--white);
}

.subtitle {
    margin: 10px 0 0;
    color: var(--accent-soft);
    font-size: 1.1rem;
    font-weight: 500;
}

.main-nav {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid var(--border);
    padding: 9px 14px;
    border-radius: 999px;
    font-size: 0.95rem;
}

.main-nav a:hover {
    color: var(--white);
    border-color: var(--accent);
}

main {
    padding: 24px 28px 40px;
}

.card {
    background: rgba(17, 24, 39, 0.92);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 28px;
    margin-bottom: 22px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.intro-card {
    border-color: rgba(56, 189, 248, 0.45);
}

h2 {
    margin-top: 0;
    color: var(--white);
    font-size: 1.45rem;
}

h3 {
    margin-bottom: 8px;
    color: var(--accent-soft);
}

p {
    color: var(--text-secondary);
    margin-bottom: 14px;
}

a {
    color: var(--accent-soft);
}

a:hover {
    color: var(--white);
}

ul {
    margin: 0;
    padding-left: 20px;
    color: var(--text-secondary);
}

li {
    margin-bottom: 8px;
}

.resume-button {
    display: inline-block;
    margin-top: 12px;
    padding: 12px 20px;
    border-radius: 8px;
    background: var(--accent);
    color: #0b1120;
    text-decoration: none;
    font-weight: 700;
}

.resume-button:hover {
    background: var(--accent-soft);
    color: #0b1120;
}

.profile-section {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.profile-image {
    width: 220px;
    height: 280px;
    object-fit: cover;
    object-position: center top;
    border-radius: 16px;
    border: 1px solid var(--border);
    flex-shrink: 0;
}

.profile-text {
    flex: 1;
    min-width: 300px;
}

footer {
    padding: 20px 28px 40px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

footer p {
    color: var(--text-muted);
    margin: 0;
}

@media (max-width: 768px) {
    .site-header {
        padding-top: 32px;
    }

    h1 {
        font-size: 2.25rem;
    }

    .main-nav {
        gap: 10px;
    }

    .main-nav a {
        width: 100%;
        text-align: center;
    }

    .card {
        padding: 22px;
    }

    .profile-image {
        width: 100%;
        height: auto;
        max-height: 420px;
    }

    .profile-text {
        min-width: 100%;
    }
}