/* ── Reset ── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ── Variables ── */
:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #555;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-border: #e5e5e5;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    --max-width: 720px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Nav ── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav-logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* ── Hero ── */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding-top: 4rem;
}

.headshot {
    width: 280px;
    border-radius: 8px;
    object-fit: cover;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: var(--color-text-muted);
}

/* ── Sections ── */
.about,
.contact {
    padding: 5rem 0;
}

.about {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

.about p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 560px;
}

/* ── Contact ── */
.contact-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-links a {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    transition: color 0.2s;
}

.contact-links a:hover {
    color: var(--color-accent-hover);
}

/* ── Footer ── */
.footer {
    padding: 2rem 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--color-border);
}

.footer a img {
    margin-bottom: 0.75rem;
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .nav {
        padding: 0.75rem 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .about,
    .contact {
        padding: 3rem 0;
    }

    .contact-links {
        flex-direction: column;
        gap: 0.75rem;
    }
}