:root {
    color-scheme: dark;
    --background: #0d0f14;
    --surface: #151922;
    --text: #f3f4f6;
    --muted: #a4adbd;
    --accent: #8b9dff;
    --border: #292f3b;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: Arial, sans-serif;
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 24px 8%;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
}

.logo span {
    color: var(--accent);
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

nav a,
.hero-description,
.section > p:not(.eyebrow),
.project-card > p:not(.project-type) {
    color: var(--muted);
}

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

.hero,
.section {
    width: min(1100px, 84%);
    margin: auto;
}

.hero {
    padding: 120px 0 100px;
}

.eyebrow,
.project-type {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
}

h1 {
    max-width: 850px;
    margin: 16px 0;
    font-size: clamp(2.5rem, 6vw, 4.8rem);
    line-height: 1.12;
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.2;
}

.hero-description {
    max-width: 620px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    display: inline-block;
    padding: 12px 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-weight: 700;
}

.primary {
    background: var(--accent);
    color: #10131c;
    border-color: var(--accent);
}

.secondary {
    background: var(--surface);
}

.section {
    padding: 64px 0;
    border-top: 1px solid var(--border);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
}

.project-card {
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.project-card h3 {
    line-height: 1.3;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-list span {
    padding: 8px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
}

footer {
    padding: 24px 8%;
    border-top: 1px solid var(--border);
    color: var(--muted);
    text-align: center;
}

@media (max-width: 700px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

    nav {
        gap: 12px 18px;
    }

    .hero {
        padding: 80px 0;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }
}