: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;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-base: 16px;
    --spacing-md: 20px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 80px;
}

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

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

body {
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: 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 { display: block; max-width: 100%; height: auto; }

ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

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

.rh-nav__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.rh-nav__brand {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: var(--ink);
    white-space: nowrap;
}

.rh-nav__brand span { color: var(--primary); }

.rh-nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.rh-nav__menu a {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    transition: color 0.15s;
}

.rh-nav__menu a:hover,
.rh-nav__menu a[aria-current="page"] {
    color: var(--ink);
}

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

.rh-nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--ink);
    transition: transform 0.2s, opacity 0.2s;
}

.hero {
    padding: var(--spacing-section) 0;
    background-color: var(--canvas);
}

.hero__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

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

.hero__title {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: var(--spacing-lg);
}

.hero__description {
    font-size: 18px;
    color: var(--body);
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: var(--spacing-xxl);
}

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

.section {
    padding: var(--spacing-section) 0;
}

.section--alt {
    background-color: var(--surface-card);
}

.section__label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-base);
}

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

.section__description {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.6;
    margin-bottom: var(--spacing-xxl);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

.card {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-sm);
}

.card__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
}

.card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.4;
}

.card__text {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    flex: 1;
}

.card__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    margin-top: auto;
}

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

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-xxl);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-section) var(--spacing-xl);
}

.article-content h1 {
    font-size: 40px;
    font-weight: 400;
    letter-spacing: -1px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: var(--spacing-lg);
}

.article-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    line-height: 1.25;
    margin: var(--spacing-xxl) 0 var(--spacing-base);
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

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

.article-content ul,
.article-content ol {
    margin: var(--spacing-base) 0 var(--spacing-base) var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }

.article-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
}

.article-content img {
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    margin: var(--spacing-xl) 0;
    width: 100%;
}

.article-content figcaption {
    font-size: 13px;
    color: var(--muted);
    text-align: center;
    margin-top: calc(-1 * var(--spacing-base));
    margin-bottom: var(--spacing-xl);
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-base);
    border-bottom: 1px solid var(--hairline);
}

.article-meta__date,
.article-meta__read {
    font-size: 13px;
    color: var(--muted);
}

.article-sidebar {
    position: sticky;
    top: 80px;
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-box {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-lg);
}

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

.sidebar-box ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.sidebar-box a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}

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

.info-box {
    background-color: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--rounded-md);
    padding: var(--spacing-base) var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-xl) 0;
    font-size: 14px;
}

.data-table th {
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    padding: var(--spacing-sm) var(--spacing-base);
    border-bottom: 1px solid var(--hairline-strong);
}

.data-table td {
    padding: var(--spacing-sm) var(--spacing-base);
    color: var(--body);
    border-bottom: 1px solid var(--hairline-soft);
    vertical-align: top;
}

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

.form-section {
    padding: var(--spacing-section) 0;
    background-color: var(--canvas);
}

.contact-form {
    max-width: 560px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-base);
}

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

.form-group input,
.form-group textarea {
    background-color: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    height: 44px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.15s;
    width: 100%;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ink);
}

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

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

.form-error.visible { display: block; }

.btn-primary {
    background-color: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: var(--rounded-md);
    padding: 10px 18px;
    height: 40px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.15s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-primary:hover { background-color: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
    background-color: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 10px 18px;
    height: 40px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.15s;
}

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

.form-success {
    display: none;
    background-color: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--semantic-success);
    border-radius: var(--rounded-md);
    padding: var(--spacing-base) var(--spacing-lg);
    font-size: 15px;
    color: var(--semantic-success);
    margin-top: var(--spacing-base);
}

.form-success.visible { display: block; }

.breadcrumb {
    padding: var(--spacing-base) 0;
    border-bottom: 1px solid var(--hairline);
    margin-bottom: var(--spacing-xxl);
}

.breadcrumb ol {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
}

.breadcrumb li {
    font-size: 13px;
    color: var(--muted);
}

.breadcrumb li a {
    color: var(--muted);
}

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

.breadcrumb li + li::before {
    content: '/';
    margin-right: var(--spacing-xs);
    color: var(--muted-soft);
}

.page-header {
    padding: var(--spacing-xxl) 0 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
}

.page-header__title {
    font-size: 40px;
    font-weight: 400;
    letter-spacing: -1px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: var(--spacing-base);
}

.page-header__meta {
    font-size: 13px;
    color: var(--muted);
}

.prose {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-xl) var(--spacing-section);
}

.prose h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: var(--spacing-xxl) 0 var(--spacing-base);
}

.prose h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

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

.prose ul {
    margin: var(--spacing-base) 0 var(--spacing-base) var(--spacing-xl);
    list-style: disc;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.prose li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
}

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

.disclaimer {
    background-color: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-md);
    padding: var(--spacing-base) var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
    font-size: 14px;
    color: var(--muted);
    max-width: 720px;
}

.cookie-banner {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    width: calc(100% - 64px);
    max-width: 680px;
    background-color: var(--ink);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-base) var(--spacing-lg);
    display: none;
}

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

.cookie-banner__inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

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

.cookie-banner a {
    color: var(--canvas);
    text-decoration: underline;
}

.cookie-banner__actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.rh-footer {
    background-color: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding-top: var(--spacing-section);
}

.rh-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl) var(--spacing-xxl);
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
}

.rh-footer__brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}

.rh-footer__brand span { color: var(--primary); }

.rh-footer__tagline {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}

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

.rh-footer__col ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.rh-footer__col li,
.rh-footer__col a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}

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

.rh-footer__bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-base) var(--spacing-xl) var(--spacing-xl);
    border-top: 1px solid var(--hairline);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-base);
    flex-wrap: wrap;
}

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

.rh-footer__bottom a {
    color: var(--muted);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.feature-item__icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--surface-strong);
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-xs);
    font-size: 20px;
}

.feature-item__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
}

.feature-item__text {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .hero__title { font-size: 40px; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .rh-footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .rh-nav__menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        padding: var(--spacing-base) var(--spacing-xl) var(--spacing-lg);
        gap: var(--spacing-base);
        align-items: flex-start;
    }
    .rh-nav__menu.open { display: flex; }
    .rh-nav__toggle { display: flex; }
    .hero__title { font-size: 32px; letter-spacing: -0.5px; }
    .hero__description { font-size: 16px; }
    .card-grid,
    .card-grid--2,
    .features-grid { grid-template-columns: 1fr; }
    .section__title { font-size: 28px; }
    .rh-footer__inner { grid-template-columns: 1fr; }
    .rh-footer__bottom { flex-direction: column; align-items: flex-start; }
    .cookie-banner { width: calc(100% - 32px); bottom: var(--spacing-base); }
    .cookie-banner__inner { flex-direction: column; align-items: flex-start; }
    .article-layout { padding: var(--spacing-xxl) var(--spacing-base); }
    .page-header { padding-left: var(--spacing-base); padding-right: var(--spacing-base); }
    .prose { padding: var(--spacing-xl) var(--spacing-base) var(--spacing-section); }
    .container { padding: 0 var(--spacing-base); }
    .hero__inner { padding: 0 var(--spacing-base); }
}