:root {
    --bg: #fafaf9;
    --bg-alt: #f2f1ee;
    --ink: #1c1c1c;
    --ink-soft: #55534d;
    --accent: #0f766e;
    --accent-dark: #0b5a54;
    --border: #e4e2dc;
    --max-width: 960px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3 {
    line-height: 1.2;
    margin: 0 0 12px;
}

h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: 28px;
}

p {
    margin: 0 0 16px;
    color: var(--ink-soft);
}

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

a:hover {
    color: var(--accent-dark);
    text-decoration: underline;
}

/* Header / nav */

.site-header {
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    font-weight: 600;
    color: var(--ink);
    font-size: 1.05rem;
}

.nav-brand:hover {
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--ink-soft);
    font-size: 0.95rem;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

/* Sections */

.section {
    padding: 72px 0;
}

.section.alt {
    background: var(--bg-alt);
}

.hero-grid {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 40px;
    align-items: center;
}

.photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    border: 1px solid var(--border);
}

.tagline {
    font-size: 1.15rem;
    color: var(--accent-dark);
    font-weight: 500;
    margin-bottom: 4px;
}

.tagline-sub {
    font-size: 0.95rem;
    color: var(--ink-soft);
    font-style: italic;
}

.profile-links {
    display: flex;
    gap: 20px;
    margin-top: 8px;
}

.profile-link {
    font-weight: 500;
}

/* Cards */

.card-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
}

.section.alt .card {
    background: #fff;
}

.card h3 {
    font-size: 1.1rem;
}

.card-link {
    font-weight: 500;
    font-size: 0.95rem;
}

/* Contact */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.email-line {
    margin-top: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.field-row {
    display: flex;
    gap: 16px;
}

.field-row .field {
    flex: 1;
    min-width: 0;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--ink-soft);
}

.field input,
.field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--ink);
}

.field input:focus,
.field textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.submit-btn {
    align-self: flex-start;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
}

.submit-btn:hover {
    background: var(--accent-dark);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-status {
    min-height: 20px;
    font-size: 0.9rem;
    margin: 0;
}

.form-status.success {
    color: var(--accent-dark);
}

.form-status.error {
    color: #b42318;
}

/* Footer */

.site-footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
}

.site-footer p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--ink-soft);
}

/* Responsive */

@media (max-width: 720px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
        display: none;
    }

    .nav-links.open {
        display: flex;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
    }

    .profile-links {
        justify-content: center;
    }

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

    .field-row {
        flex-direction: column;
        gap: 16px;
    }
}