@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;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --ink: #26251e;
    --body: #5a5852;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --success: #1f8a65;
    --error: #cf2d56;
    --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-size: 16px;
    line-height: 1.5;
    font-weight: 400;
}

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

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

.nav-logo {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.nav-logo:hover { color: var(--primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

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

.nav-links a:hover,
.nav-links a.active { 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;
    border-bottom: 1px solid var(--hairline);
}

.hero-band .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content {}

.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: 52px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 16px;
    line-height: 1.5;
    color: var(--body);
    margin-bottom: 32px;
    max-width: 460px;
}

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

.hero-image-wrap {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
    background: var(--surface-card);
}

.hero-image-wrap img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.hero-image-caption {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--muted);
    border-top: 1px solid var(--hairline-soft);
}

.section {
    padding: 80px 0;
}

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

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

.section-sub {
    font-size: 16px;
    line-height: 1.5;
    color: var(--body);
    max-width: 600px;
    margin-bottom: 48px;
}

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

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

.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s;
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-tag {
    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;
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 12px;
}

.card-excerpt {
    font-size: 14px;
    line-height: 1.5;
    color: var(--body);
    flex: 1;
    margin-bottom: 20px;
}

.card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline-strong);
    padding-bottom: 2px;
    display: inline-block;
    transition: color 0.15s, border-color 0.15s;
}

.card-link:hover { color: var(--primary); border-color: var(--primary); }

.intro-band {
    padding: 64px 0;
    border-top: 1px solid var(--hairline-soft);
    border-bottom: 1px solid var(--hairline-soft);
}

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

.intro-title {
    font-size: 26px;
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-bottom: 16px;
}

.intro-text {
    font-size: 16px;
    line-height: 1.5;
    color: var(--body);
}

.intro-text p + p { margin-top: 16px; }

.fact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.fact-item {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 20px 24px;
}

.fact-item strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 4px;
}

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

.contact-band {
    padding: 80px 0;
    border-top: 1px solid var(--hairline-soft);
}

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

.contact-title {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin-bottom: 12px;
}

.contact-desc {
    font-size: 15px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 24px;
}

.contact-info-item {
    font-size: 14px;
    color: var(--body);
    margin-bottom: 8px;
}

.contact-info-item strong { color: var(--ink); }

form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

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

input, textarea {
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 16px;
    font-family: var(--font-sans);
    line-height: 1.5;
    outline: none;
    transition: border-color 0.15s;
}

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

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

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

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

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

.btn-secondary {
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: 8px;
    padding: 10px 18px;
    height: 40px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: border-color 0.15s;
}

.btn-secondary:hover { border-color: var(--ink); }

.form-feedback {
    font-size: 14px;
    padding: 12px 16px;
    border-radius: 8px;
    display: none;
}

.form-feedback.success {
    background: #e8f5f0;
    color: var(--success);
    border: 1px solid #b5ddd0;
    display: block;
}

.form-feedback.error {
    background: #fde8ed;
    color: var(--error);
    border: 1px solid #f5c0cc;
    display: block;
}

.article-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.article-breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 20px;
}

.article-breadcrumb a { color: var(--muted); }
.article-breadcrumb a:hover { color: var(--ink); }

.article-h1 {
    font-size: 42px;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -1px;
    color: var(--ink);
    margin-bottom: 16px;
    max-width: 760px;
}

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

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

.article-layout .container {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 64px;
    align-items: start;
}

.article-body { min-width: 0; }

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 16px;
    line-height: 1.25;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
    line-height: 1.3;
}

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

.article-body ul, .article-body ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

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

.article-body a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.article-body a:hover { color: var(--primary); border-color: var(--primary); }

.article-image-block {
    margin: 32px 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--hairline);
}

.article-image-block img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.article-image-caption {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--muted);
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline-soft);
}

.info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
}

.info-box-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.info-box ul { padding-left: 20px; margin-bottom: 0; }
.info-box li { font-size: 14px; color: var(--body); margin-bottom: 6px; }

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

.sidebar-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.sidebar-nav { list-style: none; }
.sidebar-nav li + li { margin-top: 12px; }

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

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

.related-list { list-style: none; }
.related-list li + li { margin-top: 12px; border-top: 1px solid var(--hairline-soft); padding-top: 12px; }

.related-list a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
    display: block;
}

.related-list a:hover { color: var(--ink); }

.page-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
}

.page-h1 {
    font-size: 42px;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -1px;
    color: var(--ink);
    margin-bottom: 12px;
}

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

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

.page-content h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 14px;
    line-height: 1.25;
}

.page-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 24px 0 10px;
}

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

.page-content ul, .page-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

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

.page-content a { color: var(--ink); border-bottom: 1px solid var(--hairline-strong); }
.page-content a:hover { color: var(--primary); border-color: var(--primary); }

.disclaimer-box {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: 8px;
    padding: 16px 20px;
    margin-top: 32px;
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}

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

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

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

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

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

.footer-col ul { list-style: none; }
.footer-col ul li + li { margin-top: 10px; }

.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-soft);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

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

.footer-bottom a { color: var(--muted); border-bottom: 1px solid transparent; }
.footer-bottom a:hover { color: var(--ink); border-color: var(--hairline-strong); }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    z-index: 200;
    padding: 20px 24px;
    display: none;
}

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

.cookie-actions {
    display: flex;
    gap: 12px;
    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(247,247,244,0.3);
}

.cookie-actions .btn-secondary:hover { border-color: var(--canvas); }

@media (max-width: 1024px) {
    .hero-h1 { font-size: 42px; }
    .cards-grid { grid-template-columns: 1fr 1fr; }
    .article-layout .container { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: 16px 24px;
        gap: 0;
    }
    .nav-links.open { display: flex; }
    .nav-links li { border-bottom: 1px solid var(--hairline-soft); }
    .nav-links li:last-child { border-bottom: none; }
    .nav-links a { display: block; padding: 12px 0; }
    .site-nav { position: relative; }
    .hero-band { padding: 48px 0; }
    .hero-band .container { grid-template-columns: 1fr; gap: 32px; }
    .hero-h1 { font-size: 32px; letter-spacing: -0.5px; }
    .hero-image-wrap { order: -1; }
    .hero-image-wrap img { height: 240px; }
    .intro-band .container { grid-template-columns: 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .cards-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 28px; }
    .article-h1 { font-size: 28px; }
    .page-h1 { font-size: 28px; }
    .footer-inner { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .nav-inner { padding: 0 16px; }
    .hero-h1 { font-size: 26px; }
}