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

: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;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 9999px;
    --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --section-padding: 80px;
}

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

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

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

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

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

.site-header .container {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 32px;
}

.site-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.02em;
    white-space: nowrap;
    flex-shrink: 0;
}

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    transition: color 0.15s, background 0.15s;
    white-space: nowrap;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    margin-left: auto;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    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--secondary {
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
}

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

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

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

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero__badge {
    margin-bottom: 20px;
}

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

.hero__desc {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 0;
}

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

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

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

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

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

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

.section__desc {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.6;
}

.section__header {
    margin-bottom: 40px;
}

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

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

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

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

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

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

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

.card__body {
    padding: 24px;
}

.card__category {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
}

.card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 10px;
}

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

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

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

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

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    divide-x: 1px solid var(--hairline);
}

.info-item {
    padding: 32px 24px;
    border-right: 1px solid var(--hairline);
}

.info-item:last-child {
    border-right: none;
}

.info-item__value {
    font-size: 26px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.325px;
    line-height: 1.2;
    margin-bottom: 6px;
}

.info-item__label {
    font-size: 14px;
    color: var(--muted);
}

.article-hero {
    padding: 48px 0 0;
}

.article-hero__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: 32px;
    aspect-ratio: 21/9;
    border: 1px solid var(--hairline);
}

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

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 16px 0;
    flex-wrap: wrap;
}

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

.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 48px;
    padding: 48px 0 80px;
    align-items: start;
}

.article-content h1 {
    font-size: 36px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.72px;
    line-height: 1.2;
    margin-bottom: 24px;
}

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

.article-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 28px;
    margin-bottom: 12px;
}

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

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

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

.article-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 8px;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color 0.15s;
}

.article-content a:hover {
    text-decoration-color: var(--primary);
}

.article-content blockquote {
    border-left: 3px solid var(--primary);
    padding: 12px 20px;
    margin: 28px 0;
    background: var(--canvas-soft);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

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

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

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

.article-sidebar {
    position: sticky;
    top: 80px;
}

.sidebar-widget {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 16px;
}

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

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

.sidebar-links a {
    font-size: 14px;
    color: var(--body);
    padding: 6px 0;
    border-bottom: 1px solid var(--hairline-soft);
    transition: color 0.15s;
}

.sidebar-links a:last-child {
    border-bottom: none;
}

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

.related-articles {
    padding: 60px 0;
    border-top: 1px solid var(--hairline);
}

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

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

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

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

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

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

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

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

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

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

.form-message--success {
    background: #e8f5f0;
    color: var(--semantic-success);
    border: 1px solid #b3dfd0;
}

.form-message--error {
    background: #fdeef2;
    color: var(--semantic-error);
    border: 1px solid #f5c0cc;
}

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

.contact-info__item:last-child {
    border-bottom: none;
}

.contact-info__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 6px;
}

.contact-info__value {
    font-size: 16px;
    color: var(--ink);
}

.page-hero {
    padding: 60px 0 40px;
    border-bottom: 1px solid var(--hairline);
}

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

.page-hero__title {
    font-size: 36px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.72px;
    line-height: 1.2;
}

.page-content {
    padding: 48px 0 80px;
    max-width: 760px;
}

.page-content h2 {
    font-size: 22px;
    font-weight: 400;
    color: var(--ink);
    letter-spacing: -0.11px;
    margin-top: 36px;
    margin-bottom: 14px;
}

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

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

.page-content ul {
    padding-left: 24px;
    list-style: disc;
    margin-bottom: 18px;
}

.page-content li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 6px;
}

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

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

.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 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.02em;
    display: block;
    margin-bottom: 12px;
}

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

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

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: 24px;
}

.footer-legal {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 8px;
}

.footer-legal a {
    color: var(--muted);
    text-decoration: underline;
    text-decoration-color: transparent;
}

.footer-legal a:hover {
    text-decoration-color: var(--muted);
}

.footer-disclaimer {
    font-size: 13px;
    color: var(--muted-soft);
    max-width: 640px;
    line-height: 1.5;
}

.cookie-banner {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
    max-width: 560px;
    background: var(--ink);
    color: var(--canvas);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    z-index: 999;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 24px rgba(38, 37, 30, 0.18);
}

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

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

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

.cookie-actions .btn--secondary {
    background: transparent;
    color: var(--canvas);
    border-color: rgba(250, 250, 247, 0.3);
}

.cookie-actions .btn--secondary:hover {
    background: rgba(250, 250, 247, 0.1);
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
    }
    .hero__title {
        font-size: 42px;
    }
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root { --section-padding: 48px; }
    .hero__title { font-size: 32px; letter-spacing: -0.5px; }
    .section__title { font-size: 26px; }
    .card-grid { grid-template-columns: 1fr; }
    .card-grid--2 { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .nav-toggle { display: flex; }
    .site-nav {
        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: 4px;
    }
    .site-nav.is-open {
        display: flex;
    }
    .nav-link {
        width: 100%;
        padding: 10px 12px;
    }
    .cookie-banner {
        flex-direction: column;
        align-items: flex-start;
    }
    .article-hero__image {
        aspect-ratio: 16/9;
    }
    .article-content h1 {
        font-size: 26px;
    }
}

@media (max-width: 480px) {
    .info-grid { grid-template-columns: 1fr; }
}