:root {
    --bg: #000000;
    --surface: #0b0b0c;
    --card-bg: #121214;
    --accent: #f25f3a; 
    --accent-dim: rgba(242, 95, 58, 0.1);
    --text: #f4f4f6;
    --muted: #83838c;
    --border: #1f1f23;
    --radius: 12px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    padding: 0 24px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 80px;
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
}

.logo::before {
    content: '';
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.nav-links a:hover {
    color: var(--text);
    background-color: var(--surface);
    border-color: var(--border);
}

.nav-links a.active-pill {
    color: var(--text);
    border-color: var(--accent);
    background-color: var(--accent-dim);
}

header {
    margin-bottom: 80px;
}

.badge {
    display: inline-flex;
    align-items: center;
    background: var(--accent-dim);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(242, 95, 58, 0.2);
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 24px;
}

h1 span {
    color: var(--accent);
}

.hero-p {
    font-size: 1.15rem;
    color: var(--muted);
    max-width: 620px;
    line-height: 1.6;
}

section {
    margin-bottom: 80px;
    scroll-margin-top: 40px; 
}

.section-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--muted);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.card p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.skills-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
}

footer {
    border-top: 1px solid var(--border);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    font-size: 0.9rem;
}

footer a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    margin-left: 20px;
}

footer a:hover {
    color: var(--accent);
}

@media (max-width: 640px) {
    h1 { font-size: 2.2rem; }
    nav { flex-direction: column; gap: 20px; align-items: flex-start; }
    .nav-links { flex-wrap: wrap; }
    footer { flex-direction: column; gap: 20px; align-items: flex-start; }
    footer div { margin-top: 10px; }
    footer a { margin-left: 0; margin-right: 20px; }
}