:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --semantic-success: #1f8a65;
    --semantic-error: #cf2d56;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
    --rounded-pill: 9999px;
}

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

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

body {
    background-color: 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: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

.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;
    height: 64px;
    display: flex;
    align-items: center;
}

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

.nav-logo {
    font-family: 'Inter', sans-serif;
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
    flex-shrink: 0;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

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

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

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

.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 72px;
    border-bottom: 1px solid var(--hairline);
}

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

.hero-title {
    font-size: 52px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: 20px;
}

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

.hero-image {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    margin-top: 48px;
}

.section {
    padding: 80px 0;
}

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

.section-label {
    display: inline-flex;
    align-items: center;
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: var(--rounded-pill);
    margin-bottom: 20px;
}

.section-title {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 12px;
}

.section-desc {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.6;
    margin-bottom: 40px;
}

.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(--rounded-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.card--link {
    text-decoration: none;
    transition: border-color 0.15s;
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: 20px;
    border: 1px solid var(--hairline-soft);
}

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

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
    margin-bottom: 10px;
}

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

.card-readmore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    margin-top: 16px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.info-item {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
}

.info-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

.info-item-body {
    font-size: 15px;
    color: var(--body);
    line-height: 1.6;
}

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

.article-body h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -1.2px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: 16px;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.32px;
    color: var(--ink);
    margin-top: 40px;
    margin-bottom: 14px;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 28px;
    margin-bottom: 10px;
}

.article-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 18px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 18px 0;
    padding-left: 20px;
}

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

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

.article-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 6px;
}

.article-body a {
    color: var(--ink);
    text-decoration: underline;
    text-underline-offset: 3px;
}

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

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

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

.article-hero-image {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    margin-bottom: 36px;
}

.article-intro {
    font-size: 18px;
    color: var(--body-strong);
    line-height: 1.65;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--hairline);
}

.callout {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--ink);
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    margin: 24px 0;
}

.callout p {
    margin: 0;
    font-size: 15px;
    color: var(--body);
}

.callout--warning {
    border-left-color: var(--primary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}

.data-table th {
    background: var(--surface-strong);
    color: var(--ink);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--hairline);
}

.data-table td {
    padding: 12px 14px;
    color: var(--body);
    border-bottom: 1px solid var(--hairline-soft);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table-wrap {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    margin: 24px 0;
}

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

.sidebar-card-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    padding: 8px 10px;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--hairline-soft);
    transition: border-color 0.15s, background 0.15s;
}

.sidebar-links a:hover {
    border-color: var(--hairline-strong);
    background: var(--canvas-soft);
}

.contact-section {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 40px;
    max-width: 640px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--canvas);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    height: 44px;
    font-size: 15px;
    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 {
    height: auto;
    min-height: 120px;
    resize: vertical;
}

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

.form-message--success {
    background: #e8f5f1;
    color: var(--semantic-success);
    border: 1px solid #b8ddd3;
}

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

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

.btn--primary:hover {
    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);
}

.btn--submit {
    background: var(--ink);
    color: var(--canvas);
    height: 44px;
    padding: 12px 20px;
}

.btn--submit:hover {
    background: #3a3930;
}

.btn--loading {
    opacity: 0.7;
    pointer-events: none;
}

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

.page-header h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -1.2px;
    color: var(--ink);
}

.page-header p {
    font-size: 18px;
    color: var(--body);
    margin-top: 12px;
    max-width: 560px;
}

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

.page-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.32px;
    color: var(--ink);
    margin-top: 40px;
    margin-bottom: 14px;
}

.page-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 24px;
    margin-bottom: 10px;
}

.page-content p,
.page-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 14px;
}

.page-content ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 16px;
}

.page-content a {
    color: var(--ink);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 48px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-logo {
    display: inline-block;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
}

.footer-logo span {
    color: var(--primary);
}

.footer-tagline {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    max-width: 280px;
}

.footer-heading {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--hairline);
    gap: 16px;
    flex-wrap: wrap;
}

.footer-copy,
.footer-updated {
    font-size: 13px;
    color: var(--muted);
}

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 680px;
    background: var(--ink);
    color: var(--canvas);
    border-radius: var(--rounded-lg);
    padding: 20px 24px;
    z-index: 9999;
    display: none;
}

.cookie-banner.is-visible {
    display: block;
}

.cookie-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

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

.cookie-inner a {
    color: var(--canvas);
    text-decoration: underline;
    text-underline-offset: 2px;
}

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

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 20px 0;
    font-size: 13px;
    color: var(--muted);
}

.breadcrumb a {
    color: var(--muted);
    transition: color 0.15s;
}

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

.breadcrumb-sep {
    color: var(--hairline-strong);
}

.disclaimer {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-md);
    padding: 14px 18px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    margin: 32px 0;
}

@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: 12px 16px;
        gap: 2px;
    }
    .nav-menu.is-open {
        display: flex;
    }
    .nav-link {
        width: 100%;
        padding: 12px 14px;
    }
    .hero {
        padding: 48px 0 40px;
    }
    .hero-title {
        font-size: 32px;
        letter-spacing: -0.8px;
    }
    .section-title {
        font-size: 26px;
    }
    .card-grid {
        grid-template-columns: 1fr;
    }
    .info-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    .contact-section {
        padding: 24px;
    }
    .page-header h1 {
        font-size: 30px;
    }
    .article-body h1 {
        font-size: 30px;
    }
    .article-body h2 {
        font-size: 22px;
    }
    .cookie-banner {
        bottom: 12px;
        width: calc(100% - 24px);
    }
    .cookie-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 26px;
    }
}