@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400&display=swap');

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

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;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }

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

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

h1, h2, h3 {
    color: var(--ink);
    font-weight: 400;
    letter-spacing: -0.5px;
}

h1 { font-size: 48px; line-height: 1.1; letter-spacing: -1.5px; }
h2 { font-size: 36px; line-height: 1.2; letter-spacing: -0.72px; }
h3 { font-size: 26px; line-height: 1.25; letter-spacing: -0.325px; }
h4 { font-size: 18px; font-weight: 600; line-height: 1.4; color: var(--ink); }

p { margin-bottom: 1em; }

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    line-height: 1.4;
    transition: color 0.15s;
}

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

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

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.2s;
}

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

.hero-band .container {
    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);
    border-radius: var(--rounded-pill);
    padding: 4px 10px;
    margin-bottom: 20px;
}

.hero-band h1 { margin-bottom: 20px; }

.hero-band p {
    font-size: 18px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 0;
}

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

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

.section {
    padding: 80px 0;
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.section-title {
    margin-bottom: 16px;
}

.section-desc {
    color: var(--body);
    font-size: 16px;
    max-width: 640px;
    margin-bottom: 48px;
}

.divider {
    border: none;
    border-top: 1px solid var(--hairline);
    margin: 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

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

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

.article-card-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.article-card:hover .article-card-image img { transform: scale(1.02); }

.article-card-body { padding: 24px; }

.article-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    border-radius: var(--rounded-pill);
    padding: 4px 10px;
    margin-bottom: 12px;
}

.article-card-title {
    font-size: 18px;
    font-weight: 400;
    letter-spacing: -0.2px;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 10px;
}

.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 20px;
}

.read-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.read-link::after { content: '→'; }

.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(3, 1fr);
    gap: 40px;
}

.info-item h4 { margin-bottom: 8px; }

.info-item p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-band {
    padding: 80px 0;
}

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

.contact-info h3 { margin-bottom: 16px; }

.contact-info p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
}

.contact-details {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-details span {
    font-size: 14px;
    color: var(--body);
}

.contact-form {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 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: var(--canvas-soft);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    font-family: inherit;
    font-size: 16px;
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
    height: 44px;
}

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

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

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

.field-error {
    font-size: 13px;
    color: var(--semantic-error);
    margin-top: 4px;
    display: none;
}

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

.btn-primary {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: var(--rounded-md);
    padding: 10px 18px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    height: 40px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.15s;
    width: 100%;
    justify-content: center;
}

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

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

.form-message.success {
    background: #edf7f3;
    border: 1px solid #9fd3be;
    color: var(--semantic-success);
    display: block;
}

.form-message.error-msg {
    background: #fdf0f3;
    border: 1px solid #e8a3b0;
    color: var(--semantic-error);
    display: block;
}

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

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

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

.article-hero h1 { font-size: 42px; margin-bottom: 16px; }

.article-hero p.lead {
    font-size: 18px;
    color: var(--body);
    line-height: 1.6;
    max-width: 720px;
}

.article-body {
    padding: 48px 0 80px;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 64px;
    align-items: start;
}

.article-content h2 { font-size: 28px; margin: 40px 0 16px; }
.article-content h3 { font-size: 22px; margin: 32px 0 12px; }
.article-content p { color: var(--body); line-height: 1.7; margin-bottom: 16px; }

.article-content ul,
.article-content ol {
    padding-left: 20px;
    margin-bottom: 16px;
    color: var(--body);
    line-height: 1.7;
}

.article-content li { margin-bottom: 6px; }

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

.article-image-block {
    margin: 32px 0;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    border: 1px solid var(--hairline);
}

.article-image-block img { width: 100%; }

.article-image-block figcaption {
    font-size: 13px;
    color: var(--muted);
    padding: 10px 16px;
    background: var(--surface-card);
    border-top: 1px solid var(--hairline);
}

.info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--rounded-sm);
    padding: 20px 24px;
    margin: 24px 0;
}

.info-box p { margin-bottom: 0; font-size: 15px; }

.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;
    padding: 10px 16px;
    text-align: left;
    border-bottom: 1px solid var(--hairline-strong);
}

.data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--hairline-soft);
    color: var(--body);
}

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

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

.sidebar-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.sidebar-card h4 { margin-bottom: 14px; font-size: 14px; }

.sidebar-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-card ul a {
    font-size: 14px;
    color: var(--body);
}

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

.sidebar-card .ext-ref {
    font-size: 13px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 10px;
}

.sidebar-card .ext-ref a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-size: 13px;
}

.page-hero {
    padding: 60px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.page-hero h1 { font-size: 42px; margin-bottom: 12px; }

.page-hero p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
}

.page-body {
    padding: 48px 0 80px;
}

.page-body h2 { font-size: 26px; margin: 40px 0 12px; }
.page-body h3 { font-size: 20px; margin: 28px 0 10px; }
.page-body p { color: var(--body); line-height: 1.7; margin-bottom: 14px; }
.page-body ul, .page-body ol { padding-left: 20px; margin-bottom: 14px; color: var(--body); line-height: 1.7; }
.page-body li { margin-bottom: 6px; }
.page-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }

.disclaimer-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px 28px;
    margin: 32px 0;
}

.disclaimer-box p { font-size: 14px; color: var(--body); margin-bottom: 0; }

.breadcrumb {
    padding: 16px 0;
    font-size: 13px;
    color: var(--muted);
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb a { color: var(--body); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--muted-soft); }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    padding: 20px 24px;
    z-index: 999;
    display: none;
    border-top: 1px solid rgba(255,255,255,0.1);
}

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

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

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

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

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

.btn-cookie-accept {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: var(--rounded-md);
    padding: 8px 16px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-cookie-accept:hover { background: var(--primary-active); }

.btn-cookie-reject {
    background: transparent;
    color: var(--canvas);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--rounded-md);
    padding: 8px 16px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.15s;
}

.btn-cookie-reject:hover { border-color: rgba(255,255,255,0.6); }

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

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

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

.footer-desc {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 0;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 0;
    border-top: 1px solid var(--hairline);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 0;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

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

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

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

@media (max-width: 1024px) {
    h1 { font-size: 40px; }
    h2 { font-size: 30px; }
    .hero-band .container { grid-template-columns: 1fr; gap: 40px; }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 32px; letter-spacing: -1px; }
    h2 { font-size: 26px; }
    .hero-band { padding: 48px 0; }
    .section { padding: 48px 0; }
    .articles-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }
    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        gap: 0;
        padding: 16px 0;
    }
    .nav-menu.open { display: flex; }
    .nav-menu li { width: 100%; }
    .nav-menu a {
        display: block;
        padding: 12px 24px;
        font-size: 15px;
    }
    .nav-toggle { display: flex; }
    .footer-container { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
    .article-hero h1 { font-size: 32px; }
    .page-hero h1 { font-size: 32px; }
}

@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .contact-form { padding: 20px; }
}