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

/* Variables — restrained palette */
:root {
    --color-dark: #1a1a1a;
    --color-text: #333333;
    --color-muted: #888888;
    --color-light: #f5f5f3;
    --color-border: #e5e5e0;
    --color-white: #ffffff;
    --color-accent: #c45c3c;
    --font-sans: 'Inter', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-serif: 'Georgia', 'Times New Roman', serif;
    --max-width: 1080px;
    --content-width: 720px;
}

/* Base */
body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

a:hover {
    opacity: 0.7;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== NAVBAR ===== */
.navbar {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.nav-logo {
    font-weight: 700;
    color: var(--color-dark) !important;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.85rem;
    color: var(--color-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: var(--color-dark);
    opacity: 1;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--color-dark);
    transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
    padding: 80px 24px;
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    color: var(--color-dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.05rem;
    color: var(--color-muted);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.8;
}

.hero-divider {
    width: 48px;
    height: 1px;
    background: var(--color-border);
    margin: 32px auto;
}

/* ===== FEATURED IMAGE ===== */
.featured-image {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto 60px;
    padding: 0 24px;
}

.featured-image img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: 4px;
}

.featured-image figcaption {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-top: 8px;
    text-align: center;
}

/* ===== SECTION HEADERS ===== */
.section-header {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px 24px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 32px;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-dark);
}

.section-header a {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* ===== CARD GRID ===== */
.card-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 64px;
}

.card {
    display: block;
    color: var(--color-text);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    opacity: 1;
}

.card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 16px;
    background: var(--color-light);
}

.card-tag {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 8px;
}

.card h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}

.card p {
    font-size: 0.9rem;
    color: var(--color-muted);
    line-height: 1.6;
}

/* ===== TWO COLUMN LAYOUT ===== */
.two-col {
    max-width: var(--max-width);
    margin: 0 auto 64px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.two-col .card-img {
    height: 280px;
}

/* ===== ARTICLE PAGE ===== */
.article {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.article h1 {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    font-weight: 400;
    color: var(--color-dark);
    margin-bottom: 12px;
    line-height: 1.25;
}

.article-meta {
    color: var(--color-muted);
    font-size: 0.85rem;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.article h2 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 400;
    margin: 48px 0 16px;
    color: var(--color-dark);
}

.article p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.article img {
    border-radius: 4px;
    margin: 32px 0;
}

/* ===== PROGRESS BAR ===== */
.progress-bar {
    position: fixed;
    top: 72px;
    left: 0;
    height: 2px;
    background: var(--color-accent);
    width: 0%;
    z-index: 99;
    transition: width 0.1s;
}

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid var(--color-border);
    text-align: center;
    padding: 40px 24px;
    margin-top: auto;
}

.footer p {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.footer p + p {
    margin-top: 4px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        display: flex;
    }

    .hero {
        padding: 48px 20px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .two-col {
        grid-template-columns: 1fr;
    }

    .featured-image img {
        height: 280px;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .nav-logo {
        font-size: 0.75rem;
    }
}