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

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background-color: var(--canvas);
    color: var(--body);
    font-size: 16px;
    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; }

ul, ol { list-style: none; }

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

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

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-mark {
    width: 28px;
    height: 28px;
    background-color: var(--primary);
    color: var(--on-primary);
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--ink);
    transition: transform 0.2s, opacity 0.2s;
}

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

.hero {
    padding: 80px 0;
    background-color: var(--canvas);
    border-bottom: 1px solid var(--hairline);
}

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

.hero-label { 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;
    max-width: 720px;
}

.hero-lead {
    font-size: 18px;
    line-height: 1.6;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 32px;
}

.hero-meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 48px;
}

.hero-image-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    max-height: 460px;
}

.hero-image-wrap img {
    width: 100%;
    height: 460px;
    object-fit: cover;
}

.section {
    padding: 80px 0;
}

.section--alt {
    background-color: var(--canvas-soft);
}

.section-header {
    margin-bottom: 48px;
}

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

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

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

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

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

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

.card--link { cursor: pointer; }
.card--link a { text-decoration: none; }

.card-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 20px;
    aspect-ratio: 16/9;
}

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

.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: 1.35;
    margin-bottom: 10px;
}

.card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
    margin-bottom: 16px;
}

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

.card-read {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}

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

.badge {
    display: inline-flex;
    align-items: center;
    background-color: 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(--radius-pill);
}

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

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

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

.info-item__text {
    font-size: 14px;
    color: var(--body);
    line-height: 1.55;
}

.sources-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.source-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
}

.source-item a {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
}

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

.source-desc {
    font-size: 13px;
    color: var(--muted);
    margin-top: 2px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
    align-items: start;
    padding: 80px 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.article-main {}

.article-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--hairline);
}

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

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

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

.article-hero-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
    margin-bottom: 40px;
}

.article-hero-img img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

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

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-top: 48px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hairline-soft);
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 32px;
    margin-bottom: 12px;
}

.article-body p { margin-bottom: 20px; }

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

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

.article-body li { margin-bottom: 8px; }

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

.article-body strong { color: var(--ink); font-weight: 600; }

.article-body .note-box {
    background-color: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin: 24px 0;
    font-size: 14px;
}

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

.article-body .data-table th {
    font-weight: 600;
    color: var(--ink);
    background-color: var(--surface-strong);
    padding: 10px 14px;
    text-align: left;
    border: 1px solid var(--hairline);
}

.article-body .data-table td {
    padding: 10px 14px;
    border: 1px solid var(--hairline);
    color: var(--body);
}

.article-body .data-table tr:nth-child(even) td { background-color: var(--canvas-soft); }

.article-sidebar {}

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

.sidebar-card__title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.sidebar-links { display: flex; flex-direction: column; gap: 10px; }
.sidebar-link { font-size: 14px; color: var(--ink); font-weight: 500; line-height: 1.4; }
.sidebar-link:hover { color: var(--primary); }

.sidebar-sources { display: flex; flex-direction: column; gap: 10px; }
.sidebar-source { font-size: 13px; }
.sidebar-source a { color: var(--body); }
.sidebar-source a:hover { color: var(--primary); }

.breadcrumb {
    padding: 16px 0;
    font-size: 13px;
    color: var(--muted);
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

.form-section {
    background-color: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 600px;
}

.form-title {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-bottom: 8px;
}

.form-sub {
    font-size: 14px;
    color: var(--body);
    margin-bottom: 32px;
}

.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-color: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 16px;
    height: 44px;
    transition: border-color 0.15s;
    outline: none;
}

.form-group textarea {
    height: auto;
    min-height: 100px;
    resize: vertical;
}

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

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

.field-error {
    font-size: 12px;
    color: var(--semantic-error);
    margin-top: 4px;
    display: none;
}

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

.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(--radius-md);
    padding: 10px 18px;
    height: 40px;
    transition: background-color 0.15s, color 0.15s, border-color 0.15s;
    text-decoration: none;
}

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

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

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

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

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

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

.form-message--success {
    background-color: #edf7f3;
    border: 1px solid #9fd4be;
    color: var(--semantic-success);
}

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

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

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    max-width: 240px;
}

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

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

.footer-link {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}

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

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

.footer-copy {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 6px;
}

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

.cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--ink);
    z-index: 999;
    padding: 20px 24px;
}

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

.cookie-banner__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-banner__text {
    font-size: 14px;
    color: var(--canvas);
    line-height: 1.5;
    flex: 1;
    min-width: 260px;
}

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

.cookie-banner__actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.cookie-btn { height: 36px; padding: 8px 16px; font-size: 13px; }

.page-layout {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 24px;
}

.page-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 8px;
}

.page-updated {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--hairline);
}

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

.page-body h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 40px;
    margin-bottom: 12px;
}

.page-body p { margin-bottom: 16px; }
.page-body ul { list-style: disc; padding-left: 20px; margin-bottom: 16px; }
.page-body li { margin-bottom: 6px; }
.page-body a { color: var(--primary); }
.page-body a:hover { color: var(--primary-active); }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 40px;
}

.contact-wrap {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--hairline);
}

.contact-title {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-bottom: 8px;
}

.contact-sub {
    font-size: 14px;
    color: var(--body);
    margin-bottom: 32px;
}

@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: none; }
    .hero-title { font-size: 44px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background-color: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: 12px 24px 20px;
        gap: 4px;
    }
    .nav-menu.is-open { display: flex; }
    .nav-menu li { width: 100%; }
    .nav-link { display: block; width: 100%; padding: 10px 12px; }
    .site-nav { position: relative; }
    .hero-title { font-size: 36px; letter-spacing: -1px; }
    .hero { padding: 48px 0; }
    .section { padding: 48px 0; }
    .section-title { font-size: 28px; }
    .card-grid, .info-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .about-grid { grid-template-columns: 1fr; }
    .article-title { font-size: 28px; }
    .form-section { padding: 24px; }
    .cookie-banner__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
    .hero-title { font-size: 28px; }
}