/* ── Variables & Reset ── */
:root {
    --color-bg: #FAFAF7;
    --color-text: #1a1a1a;
    --color-text-secondary: #5c5c5c;
    --color-accent: #2337FF;
    --color-border: #e8e8e4;
    --color-surface: #f2f2ee;
    --font-display: 'Newsreader', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    --max-width: 680px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    font-size: 17px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.65;
    padding: 0 24px;
}

/* ── Navigation ── */
nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

nav .name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.01em;
}

nav .links {
    display: flex;
    gap: 28px;
}

nav .links a {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: color 0.2s;
}

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

/* ── Divider ── */
.divider {
    max-width: var(--max-width);
    margin: 0 auto;
    border: none;
    border-top: 1px solid var(--color-border);
}

/* ── Shared section styles ── */
section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 64px 0;
}

section h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: var(--color-text);
}

section p {
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

section p:last-child {
    margin-bottom: 0;
}

section a {
    color: var(--color-text);
    text-decoration-color: var(--color-border);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.2s;
}

section a:hover {
    text-decoration-color: var(--color-text);
}

/* ── Hero (homepage) ── */
.hero {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 100px 0 80px;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 32px;
    color: var(--color-text);
}

.hero .intro {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 580px;
}

.hero .intro a {
    color: var(--color-text);
    text-decoration-color: var(--color-border);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.2s;
}

.hero .intro a:hover {
    text-decoration-color: var(--color-text);
}

/* ── Writing list (homepage) ── */
.writing-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.writing-list li {
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

.writing-list li:first-child {
    border-top: 1px solid var(--color-border);
}

.writing-list a {
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
}

.writing-list .title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: -0.01em;
    transition: color 0.2s;
}

.writing-list a:hover .title {
    color: var(--color-accent);
}

.writing-list .meta {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.writing-list .desc {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    margin-top: 6px;
    line-height: 1.55;
}

/* ── Now grid (homepage) ── */
.now-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 8px;
}

.now-item {
    padding: 24px;
    background: var(--color-surface);
    border-radius: 8px;
}

.now-item h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.now-item p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.now-item a {
    font-size: 0.82rem;
    display: inline-block;
    margin-top: 10px;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}

.now-item a:hover {
    text-decoration: underline;
}

/* ── Contact links (homepage) ── */
.contact-links {
    display: flex;
    gap: 32px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.contact-links a {
    font-size: 0.92rem;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding-bottom: 2px;
    border-bottom: 1.5px solid var(--color-border);
    transition: border-color 0.2s;
}

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

/* ── Article pages ── */
article {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 0 64px;
}

.article-header {
    margin-bottom: 48px;
}

.article-header h1 {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    color: var(--color-text);
}

.article-header .subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    font-style: italic;
    line-height: 1.6;
}

article h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin: 48px 0 16px;
    color: var(--color-text);
}

article h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin: 40px 0 12px;
    color: var(--color-text);
}

article p {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.75;
    font-size: 1rem;
}

article strong {
    color: var(--color-text);
    font-weight: 600;
}

article a {
    color: var(--color-text);
    text-decoration-color: var(--color-border);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.2s;
}

article a:hover {
    text-decoration-color: var(--color-text);
}

article ul, article ol {
    margin: 0 0 20px 24px;
    color: var(--color-text-secondary);
    line-height: 1.75;
}

article li {
    margin-bottom: 8px;
}

article hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 48px 0;
}

article blockquote {
    border-left: 3px solid var(--color-border);
    padding-left: 20px;
    margin: 24px 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

/* ── Article footer ── */
.article-footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 0 40px;
}

.article-footer a {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.article-footer a:hover {
    color: var(--color-text);
}

/* ── Footer ── */
footer {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 0 60px;
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    opacity: 0.6;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    html { font-size: 16px; }

    .hero { padding: 72px 0 56px; }

    .hero h1 {
        font-size: 2.1rem;
    }

    .article-header h1 {
        font-size: 1.8rem;
    }

    nav .links { gap: 20px; }

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

    .writing-list a {
        flex-direction: column;
        gap: 4px;
    }

    .writing-list .meta {
        order: -1;
        font-size: 0.72rem;
    }

    article {
        padding: 56px 0 48px;
    }
}

/* ── Subtle load animation ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero, section, article {
    animation: fadeUp 0.6s ease-out both;
}

section:nth-of-type(2) { animation-delay: 0.08s; }
section:nth-of-type(3) { animation-delay: 0.12s; }
section:nth-of-type(4) { animation-delay: 0.16s; }
section:nth-of-type(5) { animation-delay: 0.2s; }