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

/* ── Typography ── */
html {
    font-size: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    color: #1a1a1a;
    background: #fff;
}

h1,
h2,
h3,
h4 {
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

h1 {
    font-size: 2.25rem;
}
h2 {
    font-size: 1.5rem;
}
h3 {
    font-size: 1.125rem;
}

p {
    margin-bottom: 1rem;
}
p:last-child {
    margin-bottom: 0;
}

a {
    color: #2563eb;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.wordmark-link {
    color: inherit;
}
.wordmark-link:hover {
    text-decoration: none;
}

/* ── Project cards (clickable) ── */
.project-card {
    display: block;
    padding: 0;
    color: inherit;
    border-left: 2px solid transparent;
    padding-left: 1rem;
    transition: border-color 0.2s;
}
.project-card:hover {
    border-left-color: #2563eb;
    text-decoration: none;
}

.project-card h3 {
    margin-bottom: 0.5rem;
    color: #000;
    transition: color 0.2s;
}
.project-card:hover h3 {
    color: #2563eb;
}

.project-card p {
    font-size: 0.9375rem;
    color: #555;
    line-height: 1.6;
}

/* ── Layout ── */
.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Header ── */
.header {
    padding: 2rem 0 1rem;
    border-bottom: 1px solid #e5e7eb;
}

.wordmark {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #000;
}

/* ── Sections ── */
.section {
    padding: 4.5rem 0;
}

.section-title {
    margin-bottom: 2rem;
    font-size: 1.25rem;
    color: #000;
}

/* ── Hero ── */
.hero {
    padding: 6rem 0 4.5rem;
}

.hero-headline {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #000;
    margin-bottom: 1rem;
    max-width: 640px;
}

.hero-subheadline {
    font-size: 1.25rem;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 1.25rem;
    max-width: 600px;
}

.hero-description {
    font-size: 1rem;
    color: #555;
    max-width: 580px;
    line-height: 1.7;
}

/* ── Grids ── */
.grid-3,
.grid-2 {
    display: grid;
    gap: 2rem;
}

.grid-3 {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── Cards ── */
.card {
    padding: 0;
}

.card h3 {
    margin-bottom: 0.5rem;
    color: #000;
}

.card p {
    font-size: 0.9375rem;
    color: #555;
    line-height: 1.6;
}

/* ── About prose ── */
.prose {
    font-size: 1rem;
    color: #555;
    line-height: 1.7;
    max-width: 580px;
}

/* ── Project page ── */
.project-page {
    padding: 3rem 0 4.5rem;
}

.project-title {
    font-size: 2rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 0.75rem;
}

.project-description {
    font-size: 1.125rem;
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.project-body {
    max-width: 640px;
}

.project-body ul,
.project-body ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.project-body li {
    margin-bottom: 0.5rem;
}

.project-body strong {
    color: #000;
}

.project-body a {
    color: #2563eb;
}

.back-link {
    margin-bottom: 2rem;
    font-size: 0.9375rem;
}

.back-link a {
    color: #888;
}
.back-link a:hover {
    color: #2563eb;
}

/* ── Contact ── */
.contact-text {
    font-size: 1.125rem;
}

.email {
    font-weight: 500;
}

/* ── Footer ── */
.footer {
    margin-top: auto;
    padding: 2rem 0;
    border-top: 1px solid #e5e7eb;
    font-size: 0.875rem;
    color: #888;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .hero {
        padding: 4rem 0 3rem;
    }
    .hero-headline {
        font-size: 1.875rem;
    }
    .hero-subheadline {
        font-size: 1.125rem;
    }
    .section {
        padding: 3rem 0;
    }
    .grid-3,
    .grid-2 {
        gap: 1.5rem;
    }
}