:root {
    --canvas: #f5f1ec;
    --surface-1: #ffffff;
    --surface-2: #ede8e1;
    --hairline: #d3cec6;
    --hairline-soft: #e5e0d8;
    --ink: #111111;
    --ink-muted: #626260;
    --ink-subtle: #7b7b78;
    --accent: #5a6e2c;
    --accent-light: #eef2e6;
    --font: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
    --max-width: 1280px;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-xxl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--canvas);
    color: var(--ink);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    text-decoration: underline;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 200;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    height: 56px;
}

.nav-inner {
    display: flex;
    align-items: center;
    height: 56px;
    gap: 32px;
}

.nav-logo {
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    letter-spacing: -0.3px;
}

.logo-mark {
    color: var(--accent);
    font-size: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
    margin-left: auto;
}

.nav-menu a {
    color: var(--ink-muted);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: color 0.15s, background 0.15s;
}

.nav-menu a:hover {
    color: var(--ink);
    background: var(--surface-2);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

.hero {
    padding: 80px 0 64px;
    border-bottom: 1px solid var(--hairline);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-light);
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -1.4px;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 18px;
    line-height: 1.6;
    color: var(--ink-muted);
    max-width: 480px;
    margin-bottom: 32px;
}

.hero-meta {
    font-size: 13px;
    color: var(--ink-subtle);
}

.hero-image-wrap {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--surface-1);
    border: 1px solid var(--hairline);
    aspect-ratio: 4/3;
}

.hero-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 48px 0;
}

.section + .section {
    border-top: 1px solid var(--hairline-soft);
}

.section-eyebrow {
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 36px;
    font-weight: 500;
    letter-spacing: -0.8px;
    line-height: 1.15;
    color: var(--ink);
    margin-bottom: 12px;
}

.section-desc {
    font-size: 17px;
    color: var(--ink-muted);
    line-height: 1.6;
    max-width: 560px;
    margin-bottom: 48px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--surface-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.15s;
}

.article-card:hover {
    border-color: var(--ink-muted);
}

.article-card:hover .card-title {
    text-decoration: underline;
}

.card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--surface-2);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.article-card:hover .card-image img {
    transform: scale(1.02);
}

.card-body {
    padding: 24px;
}

.card-category {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-light);
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 12px;
}

.card-title {
    font-size: 20px;
    font-weight: 500;
    letter-spacing: -0.3px;
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 10px;
}

.card-title a {
    color: inherit;
    text-decoration: none;
}

.card-excerpt {
    font-size: 14px;
    line-height: 1.6;
    color: var(--ink-muted);
    margin-bottom: 16px;
}

.card-meta {
    font-size: 12px;
    color: var(--ink-subtle);
}

.fact-strip {
    background: var(--surface-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.fact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.fact-item {
    text-align: center;
}

.fact-value {
    font-size: 36px;
    font-weight: 500;
    letter-spacing: -1px;
    color: var(--ink);
    margin-bottom: 6px;
}

.fact-label {
    font-size: 13px;
    color: var(--ink-muted);
    line-height: 1.4;
}

.page-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.page-hero-inner {
    max-width: 720px;
}

.page-hero .hero-eyebrow {
    margin-bottom: 16px;
}

.page-hero h1 {
    font-size: 44px;
    font-weight: 500;
    letter-spacing: -1.2px;
    line-height: 1.1;
    color: var(--ink);
    margin-bottom: 16px;
}

.page-hero .hero-desc {
    font-size: 17px;
    color: var(--ink-muted);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: 20px;
}

.article-meta-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-top: 20px;
    border-top: 1px solid var(--hairline-soft);
    margin-top: 20px;
}

.meta-item {
    font-size: 13px;
    color: var(--ink-subtle);
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-item strong {
    color: var(--ink-muted);
    font-weight: 500;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 56px;
    padding: 64px 0;
    align-items: start;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 500;
    letter-spacing: -0.4px;
    color: var(--ink);
    margin: 48px 0 16px;
    padding-top: 48px;
    border-top: 1px solid var(--hairline-soft);
}

.article-body h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.article-body h3 {
    font-size: 19px;
    font-weight: 500;
    letter-spacing: -0.2px;
    color: var(--ink);
    margin: 28px 0 10px;
}

.article-body p {
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink);
    margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.article-body li {
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 6px;
    color: var(--ink);
}

.article-body blockquote {
    border-left: 3px solid var(--accent);
    padding: 16px 20px;
    margin: 28px 0;
    background: var(--accent-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-body blockquote p {
    font-size: 16px;
    font-style: italic;
    color: var(--ink-muted);
    margin: 0;
}

.article-image {
    margin: 32px 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--hairline);
    background: var(--surface-1);
}

.article-image img {
    width: 100%;
    height: auto;
    max-height: 480px;
    object-fit: cover;
}

.article-image figcaption {
    padding: 12px 16px;
    font-size: 12px;
    color: var(--ink-subtle);
    line-height: 1.5;
    border-top: 1px solid var(--hairline-soft);
}

.info-box {
    background: var(--surface-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    margin: 28px 0;
}

.info-box-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--hairline-soft);
}

.info-box dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
}

.info-box dt {
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-muted);
    white-space: nowrap;
}

.info-box dd {
    font-size: 13px;
    color: var(--ink);
}

.article-sidebar {
    position: sticky;
    top: 72px;
}

.sidebar-card {
    background: var(--surface-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.sidebar-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-toc {
    list-style: none;
    padding: 0;
}

.sidebar-toc li {
    padding: 5px 0;
    border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-toc li:last-child {
    border-bottom: none;
}

.sidebar-toc a {
    font-size: 13px;
    color: var(--ink-muted);
    text-decoration: none;
    display: block;
}

.sidebar-toc a:hover {
    color: var(--ink);
    text-decoration: none;
}

.related-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.related-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.related-item-img {
    width: 64px;
    height: 48px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--surface-2);
}

.related-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-item-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--ink);
    line-height: 1.4;
    display: block;
    text-decoration: none;
}

.related-item-title:hover {
    text-decoration: underline;
}

.related-item-meta {
    font-size: 11px;
    color: var(--ink-subtle);
    margin-top: 3px;
}

.page-content {
    max-width: 720px;
    padding: 64px 0;
}

.page-content h2 {
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -0.3px;
    color: var(--ink);
    margin: 40px 0 14px;
    padding-top: 40px;
    border-top: 1px solid var(--hairline-soft);
}

.page-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.page-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin: 24px 0 10px;
}

.page-content p {
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink);
    margin-bottom: 18px;
}

.page-content ul, .page-content ol {
    padding-left: 24px;
    margin-bottom: 18px;
}

.page-content li {
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 5px;
}

.page-content .updated {
    font-size: 13px;
    color: var(--ink-subtle);
    margin-bottom: 40px;
    padding: 10px 14px;
    background: var(--surface-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    display: inline-block;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
    padding: 64px 0;
}

.contact-section {
    background: var(--surface-1);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-xl);
    padding: 48px;
    margin: 48px 0;
}

.contact-section h2 {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.5px;
    color: var(--ink);
    margin-bottom: 8px;
}

.contact-section p {
    font-size: 15px;
    color: var(--ink-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
}

.form-group input,
.form-group textarea {
    background: var(--canvas);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 15px;
    font-family: var(--font);
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
    min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: var(--surface-1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--ink-subtle);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-primary {
    background: var(--ink);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    padding: 11px 22px;
    font-size: 15px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: opacity 0.15s;
    margin-top: 8px;
    min-height: 44px;
}

.btn-primary:hover {
    opacity: 0.85;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-message {
    margin-top: 14px;
    padding: 12px 16px;
    background: var(--accent-light);
    border: 1px solid var(--accent);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
}

.site-footer {
    border-top: 1px solid var(--hairline);
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding: 64px 0 48px;
}

.footer-logo {
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: -0.3px;
    margin-bottom: 14px;
    display: block;
}

.footer-brand p {
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-region {
    font-size: 12px;
    color: var(--ink-subtle);
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col li {
    margin-bottom: 8px;
}

.footer-col a {
    font-size: 14px;
    color: var(--ink-muted);
    text-decoration: none;
}

.footer-col a:hover {
    color: var(--ink);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--hairline-soft);
    padding: 20px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--ink-subtle);
    line-height: 1.5;
}

.footer-legal {
    display: flex;
    gap: 16px;
}

.footer-legal a {
    font-size: 12px;
    color: var(--ink-subtle);
    text-decoration: none;
}

.footer-legal a:hover {
    color: var(--ink);
}

.cookie-banner {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: var(--ink);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    max-width: 560px;
    width: calc(100% - 48px);
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.cookie-text {
    font-size: 13px;
    line-height: 1.5;
    flex: 1;
    min-width: 240px;
}

.cookie-text a {
    color: #a8c070;
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.cookie-accept,
.cookie-reject {
    border: none;
    border-radius: var(--radius-md);
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    min-height: 40px;
    transition: opacity 0.15s;
}

.cookie-accept {
    background: #ffffff;
    color: var(--ink);
}

.cookie-reject {
    background: transparent;
    color: rgba(255,255,255,0.7);
    border: 1px solid rgba(255,255,255,0.3);
}

.cookie-accept:hover,
.cookie-reject:hover {
    opacity: 0.85;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 16px 0;
    border-bottom: 1px solid var(--hairline-soft);
    margin-bottom: 0;
}

.breadcrumb a {
    font-size: 13px;
    color: var(--ink-muted);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--ink);
}

.breadcrumb-sep {
    font-size: 12px;
    color: var(--ink-subtle);
}

.breadcrumb-current {
    font-size: 13px;
    color: var(--ink-subtle);
}

.disclaimer {
    background: var(--surface-2);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-bottom: 40px;
}

.disclaimer p {
    font-size: 13px;
    color: var(--ink-muted);
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .fact-grid {
        grid-template-columns: repeat(2, 2fr);
        gap: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .article-layout {
        grid-template-columns: 1fr 260px;
        gap: 40px;
    }
    .hero-inner {
        gap: 48px;
    }
    .hero h1 {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: 12px 20px 20px;
        gap: 2px;
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-menu a {
        padding: 10px 12px;
        font-size: 15px;
    }
    .hero {
        padding: 48px 0 40px;
    }
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero h1 {
        font-size: 34px;
        letter-spacing: -0.8px;
    }
    .hero-desc {
        font-size: 16px;
    }
    .card-grid {
        grid-template-columns: 1fr;
    }
    .fact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 40px 0 32px;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
    }
    .hero-image-wrap {
        order: -1;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .contact-section {
        padding: 32px 24px;
    }
    .fact-strip {
        padding: 32px 24px;
    }
    .section {
        padding: 56px 0;
    }
    .page-hero h1 {
        font-size: 32px;
    }
    .footer-bottom-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }
    .section-title {
        font-size: 26px;
    }
    .fact-value {
        font-size: 28px;
    }
    .fact-grid {
        grid-template-columns: 1fr 1fr;
    }
}