*, *::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;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --success: #1f8a65;
    --error: #cf2d56;
    --on-primary: #ffffff;
    --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

.site-header {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 64px;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.wordmark {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.02em;
}
.wordmark:hover { color: var(--primary); }

.main-nav ul { list-style: none; display: flex; gap: 8px; align-items: center; }
.main-nav a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    padding: 6px 10px;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
}
.main-nav a:hover { color: var(--ink); background: var(--surface-strong); }

.has-dropdown { position: relative; }
.has-dropdown > a::after { content: ' ▾'; font-size: 10px; }
.dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 8px;
    min-width: 220px;
    flex-direction: column;
    gap: 0;
    padding: 6px;
    box-shadow: 0 4px 16px rgba(38,37,30,0.08);
    z-index: 200;
}
.has-dropdown:hover .dropdown { display: flex; }
.dropdown li { list-style: none; }
.dropdown a {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    border-radius: 6px;
    white-space: nowrap;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all 0.2s;
}

.hero {
    padding: 80px 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline-soft);
}
.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: 9999px;
    padding: 4px 10px;
    margin-bottom: 24px;
}
.hero h1 {
    font-size: 56px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: 20px;
}
.hero-sub {
    font-size: 18px;
    color: var(--body);
    max-width: 560px;
    line-height: 1.55;
    margin-bottom: 16px;
}
.hero-updated {
    font-size: 13px;
    color: var(--muted);
}

.section { padding: 80px 0; }
.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 24px;
}
.section-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 16px;
}
.section-desc {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 48px;
}

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.15s;
}
.card:hover { border-color: var(--hairline-strong); }
.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}
.card-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
}
.card h3 {
    font-size: 22px;
    font-weight: 400;
    letter-spacing: -0.11px;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 12px;
}
.card p { font-size: 15px; color: var(--body); line-height: 1.5; margin-bottom: 16px; }
.card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline-strong);
    padding-bottom: 2px;
    transition: color 0.15s, border-color 0.15s;
}
.card-link:hover { color: var(--primary); border-color: var(--primary); }

.info-band {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    padding: 80px 0;
}
.info-band-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.info-band h2 { font-size: 36px; font-weight: 400; letter-spacing: -0.72px; color: var(--ink); line-height: 1.2; margin-bottom: 16px; }
.info-band p { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 16px; }
.info-band ul { list-style: none; margin-top: 8px; }
.info-band ul li {
    font-size: 15px;
    color: var(--body);
    padding: 10px 0;
    border-bottom: 1px solid var(--hairline-soft);
    padding-left: 16px;
    position: relative;
}
.info-band ul li::before { content: '–'; position: absolute; left: 0; color: var(--muted); }
.info-band ul li:last-child { border-bottom: none; }

.article-page { padding: 64px 0 80px; }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.article-header { margin-bottom: 40px; }
.article-header .badge {
    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: 9999px;
    padding: 4px 10px;
    margin-bottom: 20px;
}
.article-header h1 {
    font-size: 40px;
    font-weight: 400;
    letter-spacing: -0.8px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: 16px;
}
.article-header .meta { font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.article-header .intro { font-size: 17px; color: var(--body); line-height: 1.6; border-left: 3px solid var(--hairline-strong); padding-left: 20px; }

.article-hero-img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 40px;
    border: 1px solid var(--hairline);
}

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-top: 48px;
    margin-bottom: 16px;
}
.article-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-top: 32px;
    margin-bottom: 12px;
}
.article-body p { font-size: 16px; color: var(--body); line-height: 1.65; margin-bottom: 20px; }
.article-body ul, .article-body ol {
    margin: 0 0 20px 20px;
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
}
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--primary); }

.note-box {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 32px 0;
    font-size: 15px;
    color: var(--body);
    line-height: 1.6;
}
.note-box strong { color: var(--ink); }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin: 32px 0;
    font-family: var(--font-mono);
}
.data-table th {
    background: var(--surface-strong);
    color: var(--ink);
    font-weight: 600;
    font-family: var(--font-sans);
    font-size: 11px;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    padding: 10px 14px;
    border: 1px solid var(--hairline);
    text-align: left;
}
.data-table td {
    padding: 10px 14px;
    border: 1px solid var(--hairline);
    color: var(--body);
    vertical-align: top;
}
.data-table tr:nth-child(even) td { background: var(--canvas-soft); }

.sidebar-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}
.sidebar-card h4 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}
.sidebar-card ul { list-style: none; }
.sidebar-card ul li { padding: 8px 0; border-bottom: 1px solid var(--hairline-soft); font-size: 14px; }
.sidebar-card ul li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-card ul li a { color: var(--body); }
.sidebar-card ul li a:hover { color: var(--primary); }
.sidebar-img { width: 100%; height: 160px; object-fit: cover; border-radius: 8px; margin-bottom: 12px; border: 1px solid var(--hairline); }
.sidebar-caption { font-size: 12px; color: var(--muted); line-height: 1.4; }

.page-header {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}
.page-header h1 {
    font-size: 40px;
    font-weight: 400;
    letter-spacing: -0.8px;
    color: var(--ink);
    margin-bottom: 12px;
}
.page-header p { font-size: 16px; color: var(--muted); }
.page-content { padding: 64px 0 80px; }
.page-content h2 { font-size: 26px; font-weight: 400; letter-spacing: -0.325px; color: var(--ink); margin-top: 48px; margin-bottom: 16px; }
.page-content h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-top: 32px; margin-bottom: 12px; }
.page-content p { font-size: 16px; color: var(--body); line-height: 1.65; margin-bottom: 20px; }
.page-content ul, .page-content ol { margin: 0 0 20px 20px; font-size: 16px; color: var(--body); line-height: 1.65; }
.page-content li { margin-bottom: 8px; }
.page-content a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

.contact-section { padding: 80px 0; background: var(--canvas-soft); border-top: 1px solid var(--hairline); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-grid h2 { font-size: 36px; font-weight: 400; letter-spacing: -0.72px; color: var(--ink); margin-bottom: 16px; }
.contact-grid p { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 12px; }

.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(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 12px 16px;
    height: 44px;
    font-size: 16px;
    color: var(--ink);
    font-family: var(--font-sans);
    transition: border-color 0.15s;
}
.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(--error); }

.btn-submit {
    background: var(--ink);
    color: var(--canvas);
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    height: 44px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: background 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-submit:hover { background: var(--primary); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-msg {
    display: none;
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 15px;
}
.form-msg.success { background: #e8f5f0; color: var(--success); border: 1px solid #b3ddd0; }
.form-msg.error { background: #fde8ed; color: var(--error); border: 1px solid #f5b3c0; }

.cookie-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas-soft);
    z-index: 999;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.cookie-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.cookie-inner p { font-size: 14px; color: var(--muted-soft); line-height: 1.5; }
.cookie-inner p a { color: var(--canvas-soft); text-decoration: underline; text-underline-offset: 2px; }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
.btn-cookie {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    font-family: var(--font-sans);
    transition: all 0.15s;
}
.btn-cookie-accept { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.btn-cookie-accept:hover { background: var(--primary-active); }
.btn-cookie-reject { background: transparent; color: var(--canvas-soft); border-color: rgba(255,255,255,0.3); }
.btn-cookie-reject:hover { border-color: var(--canvas-soft); }

.site-footer { background: var(--canvas); border-top: 1px solid var(--hairline); padding: 64px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-wordmark { font-size: 18px; font-weight: 600; color: var(--ink); display: block; margin-bottom: 12px; letter-spacing: -0.02em; }
.footer-tagline { font-size: 14px; color: var(--muted); line-height: 1.6; }
.footer-col h4 { font-size: 11px; font-weight: 600; letter-spacing: 0.88px; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--body); }
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--hairline); padding: 20px 0; }
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom a { color: var(--body); text-decoration: underline; text-underline-offset: 2px; }

.disclaimer {
    background: var(--surface-strong);
    border-radius: 8px;
    padding: 16px 20px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    margin-bottom: 32px;
}
.disclaimer strong { color: var(--body); }

@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .info-band-inner { grid-template-columns: 1fr; gap: 32px; }
    .article-layout { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .hero h1 { font-size: 36px; }
    .section-title { font-size: 28px; }
    .card-grid { grid-template-columns: 1fr; }
    .card-grid-2 { grid-template-columns: 1fr; }
    .nav-toggle { display: flex; }
    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--surface-card);
        border-bottom: 1px solid var(--hairline);
        padding: 16px 24px;
    }
    .main-nav.open { display: block; }
    .main-nav ul { flex-direction: column; gap: 4px; }
    .has-dropdown > a::after { display: none; }
    .dropdown { display: none !important; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
    .article-header h1 { font-size: 30px; }
}
@media (max-width: 640px) {
    .hero { padding: 48px 0; }
    .hero h1 { font-size: 28px; }
    .section { padding: 48px 0; }
}