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

:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --primary: #f54e00;
    --primary-active: #d04200;
    --on-primary: #ffffff;
    --success: #1f8a65;
    --error: #cf2d56;
    --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --r-xs: 4px;
    --r-sm: 6px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 16px;
    --r-pill: 9999px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--canvas);
    color: var(--body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-logo {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.11px;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-logo:hover { color: var(--primary); }

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    padding: 8px 12px;
    border-radius: var(--r-sm);
    transition: color 0.15s, background 0.15s;
    white-space: nowrap;
}

.nav-link:hover { color: var(--ink); background: var(--surface-strong); }
.nav-link--active { color: var(--ink); }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    margin-left: auto;
    padding: 6px;
}

.nav-toggle span {
    display: block;
    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 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    padding: 4px 10px;
    border-radius: var(--r-pill);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 72px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -2.16px;
    color: var(--ink);
    max-width: 820px;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 18px;
    color: var(--body);
    max-width: 580px;
    line-height: 1.6;
    margin-bottom: 40px;
}

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

.section { padding: 80px 0; }

.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.section-heading {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}

.section-subheading {
    font-size: 26px;
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-bottom: 16px;
}

.section-intro {
    font-size: 16px;
    color: var(--body);
    max-width: 640px;
    line-height: 1.6;
    margin-bottom: 48px;
}

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

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

.article-card:hover { border-color: var(--hairline-strong); }

.article-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.article-card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    padding: 4px 10px;
    border-radius: var(--r-pill);
    display: inline-block;
    margin-bottom: 12px;
    width: fit-content;
}

.article-card h3 {
    font-size: 22px;
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: -0.11px;
    color: var(--ink);
    margin-bottom: 12px;
}

.article-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    flex: 1;
    margin-bottom: 20px;
}

.article-card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 2px;
    width: fit-content;
    transition: border-color 0.15s, color 0.15s;
}

.article-card-link:hover { border-color: var(--primary); color: var(--primary); }

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
    align-items: start;
}

.article-content h1 {
    font-size: 48px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.2px;
    color: var(--ink);
    margin-bottom: 20px;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 48px 0 16px;
    padding-top: 48px;
    border-top: 1px solid var(--hairline);
}

.article-content h2:first-of-type { margin-top: 40px; padding-top: 0; border-top: none; }

.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--body-strong);
    margin: 28px 0 12px;
    line-height: 1.4;
}

.article-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 720px;
}

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

.article-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 8px;
}

.article-content strong { color: var(--body-strong); }

.article-meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.article-meta-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    padding: 4px 10px;
    border-radius: var(--r-pill);
}

.article-featured-img {
    width: 100%;
    border-radius: var(--r-lg);
    margin-bottom: 40px;
    max-height: 440px;
    object-fit: cover;
}

.info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 24px;
    margin: 32px 0;
}

.info-box h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--body-strong);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-box ul { padding-left: 20px; margin: 0; }

.info-box li {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 6px;
}

.sidebar { position: sticky; top: 84px; }

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

.sidebar-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--body-strong);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-card ul { list-style: none; padding: 0; margin: 0; }

.sidebar-card li {
    font-size: 14px;
    color: var(--body);
    padding: 8px 0;
    border-bottom: 1px solid var(--hairline-soft);
    line-height: 1.4;
}

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

.sidebar-card a { color: var(--body); font-size: 14px; }
.sidebar-card a:hover { color: var(--primary); }

.facts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 32px 0;
}

.fact-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 20px;
    text-align: left;
}

.fact-card-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
    display: block;
}

.fact-card-value {
    font-size: 22px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.11px;
    display: block;
    margin-bottom: 4px;
}

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

.contact-section { padding: 80px 0; border-top: 1px solid var(--hairline); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 64px;
    align-items: start;
}

.contact-intro h2 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-intro p { font-size: 16px; color: var(--body); line-height: 1.6; }

.contact-form {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 32px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--body-strong);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--r-md);
    padding: 12px 16px;
    height: 44px;
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
}

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

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

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

.form-error {
    font-size: 13px;
    color: var(--error);
    margin-top: 4px;
    display: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    border: none;
    cursor: pointer;
    border-radius: var(--r-md);
    padding: 10px 18px;
    height: 40px;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
}

.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-primary:active { background: var(--primary-active); }

.btn-secondary {
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
}

.btn-secondary:hover { background: var(--surface-strong); color: var(--ink); }

.btn-submit { width: 100%; height: 44px; font-size: 15px; }

.form-status {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--r-md);
    font-size: 14px;
    display: none;
}

.form-status--success {
    background: #d4f0e7;
    color: var(--success);
    border: 1px solid #a8dfd0;
}

.form-status--loading {
    background: var(--surface-strong);
    color: var(--muted);
    border: 1px solid var(--hairline);
}

.related-section { padding: 64px 0; border-top: 1px solid var(--hairline); }

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.related-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--r-lg);
    padding: 24px;
    transition: border-color 0.15s;
}

.related-card:hover { border-color: var(--hairline-strong); }

.related-card h4 {
    font-size: 18px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.11px;
    margin-bottom: 8px;
    line-height: 1.3;
}

.related-card p { font-size: 14px; color: var(--body); line-height: 1.5; margin-bottom: 16px; }

.related-card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 2px;
    transition: color 0.15s, border-color 0.15s;
}

.related-card-link:hover { color: var(--primary); border-color: var(--primary); }

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

.page-hero h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.2px;
    color: var(--ink);
    line-height: 1.1;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 18px;
    color: var(--body);
    max-width: 580px;
    line-height: 1.6;
}

.page-content { padding: 64px 0; max-width: 760px; }

.page-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 48px 0 16px;
    padding-top: 48px;
    border-top: 1px solid var(--hairline);
    line-height: 1.25;
}

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

.page-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--body-strong);
    margin: 28px 0 12px;
}

.page-content p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.page-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 8px;
}

.page-content a { color: var(--ink); border-bottom: 1px solid var(--hairline); padding-bottom: 1px; }
.page-content a:hover { color: var(--primary); border-color: var(--primary); }

.page-updated {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 32px;
}

.divider { border: none; border-top: 1px solid var(--hairline); margin: 48px 0; }

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 24px 48px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    display: block;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.5;
}

.footer-heading {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.footer-links { list-style: none; padding: 0; margin: 0; }

.footer-links li { margin-bottom: 10px; }

.footer-links a {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}

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

.footer-address {
    font-size: 14px;
    color: var(--body);
    font-style: normal;
    line-height: 1.6;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 48px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}

.footer-disclaimer { margin-top: 4px; }
.footer-disclaimer a { color: var(--muted); border-bottom: 1px solid var(--hairline); }
.footer-disclaimer a:hover { color: var(--ink); }

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--ink);
    color: var(--canvas);
    border-radius: var(--r-lg);
    padding: 16px 24px;
    max-width: 560px;
    width: calc(100% - 48px);
    z-index: 200;
    display: none;
    box-shadow: 0 4px 24px rgba(38,37,30,0.18);
}

.cookie-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cookie-inner p {
    font-size: 14px;
    color: var(--canvas);
    flex: 1;
    line-height: 1.5;
    min-width: 200px;
}

.cookie-inner a { color: var(--canvas); border-bottom: 1px solid rgba(247,247,244,0.3); }

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

.cookie-actions .btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    height: 36px;
    font-size: 13px;
}

.cookie-actions .btn-secondary {
    background: transparent;
    color: var(--canvas);
    border: 1px solid rgba(247,247,244,0.3);
    height: 36px;
    font-size: 13px;
}

.cookie-actions .btn-secondary:hover { background: rgba(247,247,244,0.1); color: var(--canvas); }

@media (max-width: 1024px) {
    .hero h1 { font-size: 56px; letter-spacing: -1.4px; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-inner { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 36px; letter-spacing: -0.9px; }
    .hero-desc { font-size: 16px; }
    .nav-toggle { display: flex; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 12px 24px; gap: 4px; }
    .nav-links.nav-open { display: flex; }
    .nav-inner { position: relative; }
    .articles-grid { grid-template-columns: 1fr; }
    .facts-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: repeat(2, 1fr); }
    .article-content h1 { font-size: 32px; letter-spacing: -0.8px; }
    .page-hero h1 { font-size: 36px; }
    .section-heading { font-size: 28px; }
}

@media (max-width: 480px) {
    .footer-inner { grid-template-columns: 1fr; }
    .hero { padding: 48px 0 40px; }
    .contact-form { padding: 20px; }
}