/* style.css */

:root {
    --bg: #0a0f1a;
    --card: #111827;
    --accent: #4f46e5;
    --accent-soft: #6366f1;
    --text: #e5e7eb;
    --muted: #9ca3af;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #111827 0, #020617 55%);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: var(--accent-soft);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 8%;
    position: sticky;
    top: 0;
    background: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.logo {
    font-weight: 700;
    letter-spacing: 0.2em;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.main-nav a {
    margin-left: 1.5rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.main-nav a:hover {
    color: var(--text);
}

.hero {
    padding: 6rem 8% 4rem;
}

.hero-content {
    max-width: 640px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.hero h2 {
    font-size: 1.4rem;
    color: var(--muted);
    margin-bottom: 1rem;
}

.hero p {
    margin-bottom: 1.5rem;
    color: var(--muted);
}

.hero-buttons .btn {
    display: inline-block;
    padding: 0.7rem 1.4rem;
    border-radius: 999px;
    font-size: 0.9rem;
    margin-right: 0.8rem;
}

.btn.primary {
    background: var(--accent);
    color: white;
}

.btn.secondary {
    border: 1px solid var(--accent-soft);
    color: var(--accent-soft);
}

.section {
    padding: 3rem 8%;
}

.section h2 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.skill-block {
    background: var(--card);
    padding: 1.2rem;
    border-radius: 0.75rem;
}

.skill-block h3 {
    margin-bottom: 0.6rem;
    font-size: 1rem;
}

.skill-block ul {
    list-style: none;
    font-size: 0.9rem;
    color: var(--muted);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--card);
    padding: 1.2rem;
    border-radius: 0.75rem;
}

.project-card h3 {
    margin-bottom: 0.5rem;
}

.project-card p {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 0.7rem;
}

.project-link {
    font-size: 0.85rem;
}

.cert-list {
    list-style: none;
    color: var(--muted);
    font-size: 0.95rem;
}

.cert-list li {
    margin-bottom: 0.4rem;
}

.contact-list {
    list-style: none;
    font-size: 0.95rem;
}

.contact-list li {
    margin-bottom: 0.3rem;
}

.site-footer {
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.8rem;
    color: var(--muted);
}