*, *::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;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 9999px;
}

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

body {
    background: var(--canvas);
    color: var(--body);
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--ink);
    text-decoration: underline;
    text-underline-offset: 2px;
}

a:hover {
    color: var(--primary);
}

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

ul, ol {
    list-style: none;
}

address {
    font-style: normal;
}

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

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

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.2px;
    white-space: nowrap;
}

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

.nav-links {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
}

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

.nav-links li a:hover {
    color: var(--ink);
    background: var(--surface-strong);
}

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

.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;
    border-bottom: 1px solid var(--hairline);
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.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(--radius-pill);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 460px;
}

.hero-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    aspect-ratio: 4/3;
}

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

.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: 12px;
}

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

.section-sub {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 48px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.card-img {
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

.card:hover .card-img img {
    transform: scale(1.03);
}

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

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

.card-title {
    font-size: 22px;
    font-weight: 400;
    letter-spacing: -0.11px;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 12px;
    text-decoration: none;
    display: block;
}

.card-title:hover {
    color: var(--primary);
}

.card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    flex: 1;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--hairline-soft);
    font-size: 13px;
    color: var(--muted);
}

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

.info-band {
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    padding: 80px 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    align-items: center;
}

.info-content h2 {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}

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

.info-content p:last-child {
    margin-bottom: 0;
}

.info-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    aspect-ratio: 4/3;
}

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

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

.article-header .container {
    max-width: 860px;
}

.article-header .section-label {
    margin-bottom: 16px;
}

.article-header h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.2px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: 20px;
}

.article-header .lead {
    font-size: 18px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 24px;
}

.article-meta {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.article-hero-img {
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    aspect-ratio: 16/7;
    margin-top: 40px;
}

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

.article-body {
    padding: 64px 0;
}

.article-body .container {
    max-width: 860px;
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 64px;
    align-items: start;
}

.prose h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    line-height: 1.25;
    margin-top: 40px;
    margin-bottom: 16px;
}

.prose h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 32px;
    margin-bottom: 12px;
}

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

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

.prose ul {
    list-style: disc;
}

.prose ol {
    list-style: decimal;
}

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

.prose a {
    color: var(--primary);
}

.prose a:hover {
    color: var(--primary-active);
}

.prose figure {
    margin: 32px 0;
}

.prose figure img {
    border-radius: var(--radius-md);
    border: 1px solid var(--hairline);
    width: 100%;
}

.prose figcaption {
    font-size: 13px;
    color: var(--muted);
    margin-top: 8px;
}

.prose blockquote {
    border-left: 3px solid var(--hairline-strong);
    padding: 12px 20px;
    margin: 24px 0;
    background: var(--canvas-soft);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prose blockquote p {
    font-size: 15px;
    color: var(--body);
    margin: 0;
    font-style: italic;
}

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

.info-box h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.info-box ul {
    list-style: none;
    padding: 0;
}

.info-box li {
    font-size: 14px;
    color: var(--body);
    padding: 6px 0;
    border-bottom: 1px solid var(--hairline-soft);
    line-height: 1.4;
}

.info-box li:last-child {
    border-bottom: none;
}

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

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

.toc-box h4 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

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

.toc-box li {
    border-bottom: 1px solid var(--hairline-soft);
}

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

.toc-box a {
    display: block;
    font-size: 14px;
    color: var(--body);
    text-decoration: none;
    padding: 8px 0;
    line-height: 1.4;
    transition: color 0.15s;
}

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

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

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

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

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

.contact-info p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 12px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

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

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

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

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

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

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

.form-submit-btn {
    background: var(--ink);
    color: var(--canvas);
    border: none;
    border-radius: var(--radius-md);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    align-self: flex-start;
    transition: background 0.15s;
    min-height: 44px;
}

.form-submit-btn:hover {
    background: var(--body-strong);
}

.form-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    font-size: 15px;
    color: var(--success);
    display: none;
    padding: 12px 16px;
    background: #f0faf6;
    border: 1px solid #b8e8d7;
    border-radius: var(--radius-md);
}

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

.page-header h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.2px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 16px;
    color: var(--body);
}

.page-body {
    padding: 64px 0;
    max-width: 780px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.page-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-top: 40px;
    margin-bottom: 12px;
}

.page-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 28px;
    margin-bottom: 10px;
}

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

.page-body ul, .page-body ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.page-body ul {
    list-style: disc;
}

.page-body ol {
    list-style: decimal;
}

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

.page-body a {
    color: var(--primary);
}

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

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 0;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: var(--body);
    text-decoration: none;
    transition: color 0.15s;
}

.footer-col ul li a:hover {
    color: var(--ink);
}

.footer-col address p {
    font-size: 14px;
    color: var(--body);
    margin-bottom: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--muted);
}

.footer-bottom a {
    color: var(--muted);
    text-decoration: none;
}

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

.disclaimer {
    font-size: 12px;
    color: var(--muted-soft);
    line-height: 1.5;
}

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
    max-width: 480px;
    background: var(--ink);
    color: var(--canvas);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
    display: none;
}

.cookie-banner p {
    font-size: 14px;
    color: var(--canvas-soft);
    line-height: 1.5;
}

.cookie-banner a {
    color: var(--canvas-soft);
}

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

.cookie-actions button {
    border: none;
    border-radius: var(--radius-md);
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.15s;
}

#cookieAccept {
    background: var(--primary);
    color: var(--on-primary);
}

#cookieReject {
    background: transparent;
    color: var(--canvas-soft);
    border: 1px solid rgba(255,255,255,0.25);
}

.cookie-actions button:hover {
    opacity: 0.88;
}

@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-body .container {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }

    .info-grid, .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: 16px 24px;
        gap: 4px;
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 32px;
        letter-spacing: -0.8px;
    }

    .section-title {
        font-size: 26px;
    }

    .article-header h1 {
        font-size: 32px;
    }

    .page-header h1 {
        font-size: 32px;
    }
}

@media (max-width: 640px) {
    .card-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero {
        padding: 48px 0;
    }

    .section {
        padding: 48px 0;
    }

    .cookie-banner {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
}