@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Inter+Display:wght@400;475;500&display=swap');

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

:root{
--ink:#181d26;
--body:#333840;
--muted:#41454d;
--canvas:#ffffff;
--surface-soft:#f8fafc;
--surface-strong:#e0e2e6;
--surface-dark:#181d26;
--hairline:#dddddd;
--link:#1b61c9;
--signature-coral:#aa2d00;
--signature-forest:#0a2e0e;
--signature-cream:#f5e9d4;
--signature-peach:#fcab79;
--signature-mint:#a8d8c4;
--on-primary:#ffffff;
}

html{font-size:16px;scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:14px;font-weight:400;line-height:1.6;color:var(--body);background:var(--canvas)}

a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}

.container{max-width:1280px;margin:0 auto;padding:0 48px}

h1{font-family:'Inter Display',sans-serif;font-size:40px;font-weight:400;line-height:1.2;color:var(--ink)}
h2{font-family:'Inter Display',sans-serif;font-size:32px;font-weight:400;line-height:1.2;color:var(--ink)}
h3{font-size:24px;font-weight:400;line-height:1.35;letter-spacing:.12px;color:var(--ink)}
h4{font-size:20px;font-weight:400;line-height:1.5;color:var(--ink)}
h5{font-size:18px;font-weight:500;line-height:1.4;color:var(--ink)}
p{margin-bottom:16px;line-height:1.6}

.btn-primary{display:inline-block;background:var(--ink);color:var(--on-primary);font-size:16px;font-weight:500;line-height:1.4;padding:16px 24px;border-radius:12px;border:none;cursor:pointer;transition:background .15s}
.btn-primary:hover{background:#0d1218;text-decoration:none;color:var(--on-primary)}

.btn-secondary{display:inline-block;background:var(--canvas);color:var(--ink);font-size:16px;font-weight:500;line-height:1.4;padding:16px 24px;border-radius:12px;border:1px solid var(--hairline);cursor:pointer;transition:background .15s}
.btn-secondary:hover{text-decoration:none;color:var(--ink)}

.btn-on-dark{display:inline-block;background:var(--canvas);color:var(--ink);font-size:16px;font-weight:500;line-height:1.4;padding:16px 24px;border-radius:12px;border:none;cursor:pointer}
.btn-on-dark:hover{text-decoration:none;color:var(--ink)}

nav.top-nav{height:64px;background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:100}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{font-family:'Inter Display',sans-serif;font-size:18px;font-weight:500;color:var(--ink);text-decoration:none}
.nav-logo:hover{text-decoration:none;color:var(--ink)}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{font-size:14px;font-weight:400;color:var(--body);text-decoration:none}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;gap:16px;align-items:center}
.nav-right a{font-size:14px;font-weight:400;color:var(--body);text-decoration:none}
.hamburger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink)}

section.section{padding:96px 0}
section.section-sm{padding:48px 0}

.hero-band{padding:96px 0;background:var(--canvas)}
.hero-band h1{max-width:720px;margin-bottom:24px}
.hero-band p.lead{font-size:20px;font-weight:400;line-height:1.5;color:var(--body);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

.signature-coral{background:var(--signature-coral);color:var(--on-primary);padding:96px 0;border-radius:0}
.signature-coral h2,.signature-coral h3{color:var(--on-primary)}
.signature-coral p{color:rgba(255,255,255,.85)}
.signature-coral-inner{max-width:700px}

.signature-forest{background:var(--signature-forest);color:var(--on-primary);padding:96px 0}
.signature-forest h2,.signature-forest h3{color:var(--on-primary)}
.signature-forest p{color:rgba(255,255,255,.85)}

.cream-callout{background:var(--signature-cream);padding:96px 0}
.dark-cta{background:var(--surface-dark);padding:96px 0;color:var(--on-primary)}
.dark-cta h2{color:var(--on-primary)}
.dark-cta p{color:rgba(255,255,255,.75)}
.light-cta-band{background:var(--surface-strong);padding:96px 0}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

.article-card{background:var(--canvas);border-radius:10px;overflow:hidden;border:1px solid var(--hairline)}
.article-card img{width:100%;height:200px;object-fit:cover;border-radius:0}
.article-card-body{padding:16px}
.article-card-tag{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}
.article-card-title{font-size:18px;font-weight:500;line-height:1.4;color:var(--ink);margin-bottom:8px}
.article-card-title a{color:var(--ink);text-decoration:none}
.article-card-title a:hover{text-decoration:underline}
.article-card-meta{font-size:13px;color:var(--muted)}

.article-content{max-width:760px;margin:0 auto}
.article-content h2{font-size:28px;margin:48px 0 16px}
.article-content h3{font-size:22px;margin:36px 0 12px}
.article-content p{font-size:15px;line-height:1.7;margin-bottom:20px;color:var(--body)}
.article-content ul,.article-content ol{margin:0 0 20px 24px;line-height:1.7;font-size:15px;color:var(--body)}
.article-content li{margin-bottom:8px}
.article-content figure{margin:32px 0}
.article-content figure img{border-radius:10px;width:100%}
.article-content figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.article-content a.ext{color:var(--link)}
.article-meta{display:flex;gap:16px;font-size:13px;color:var(--muted);margin-bottom:32px;flex-wrap:wrap}
.article-hero-img{width:100%;max-height:480px;object-fit:cover;border-radius:10px;margin-bottom:40px}

.page-header{padding:64px 0 48px;border-bottom:1px solid var(--hairline);margin-bottom:48px}
.page-header h1{margin-bottom:12px}
.page-header p{font-size:16px;color:var(--muted)}

.contact-form{background:var(--surface-soft);border-radius:10px;padding:48px;max-width:560px}
.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{width:100%;height:44px;padding:0 16px;border:1px solid var(--hairline);border-radius:6px;font-size:14px;color:var(--ink);background:var(--canvas);outline:none}
.form-group input:focus{border-color:#458fff}
.form-submit{margin-top:8px}

.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:24px}
.breadcrumb a{color:var(--muted);text-decoration:none}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb span{margin:0 8px}

footer.site-footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:96px 0 48px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:64px}
.footer-brand{font-family:'Inter Display',sans-serif;font-size:18px;font-weight:500;color:var(--ink);margin-bottom:12px}
.footer-desc{font-size:14px;color:var(--muted);max-width:260px;line-height:1.6}
.footer-col h5{font-size:14px;font-weight:500;color:var(--ink);margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:14px;color:var(--muted);text-decoration:none}
.footer-col ul li a:hover{color:var(--ink)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--hairline);padding-top:32px;flex-wrap:wrap;gap:16px}
.footer-bottom p{font-size:13px;color:var(--muted)}
.footer-bottom-links{display:flex;gap:24px}
.footer-bottom-links a{font-size:13px;color:var(--muted);text-decoration:none}
.footer-bottom-links a:hover{color:var(--ink)}

.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--ink);color:var(--on-primary);padding:20px 0;z-index:999;display:none}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cookie-text{font-size:14px;line-height:1.5;color:rgba(255,255,255,.85);flex:1}
.cookie-text a{color:var(--on-primary)}
.cookie-actions{display:flex;gap:12px;flex-shrink:0}
.btn-cookie{font-size:13px;font-weight:600;padding:10px 12px;border-radius:2px;border:none;cursor:pointer}
.btn-cookie-accept{background:var(--link);color:var(--on-primary)}
.btn-cookie-reject{background:transparent;color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.3)}

.sidebar-layout{display:grid;grid-template-columns:240px 1fr;gap:48px}
.topic-rail h4{font-size:14px;font-weight:500;color:var(--ink);margin-bottom:16px}
.topic-rail ul{list-style:none}
.topic-rail ul li{margin-bottom:8px}
.topic-rail ul li a{font-size:14px;color:var(--muted);text-decoration:none}
.topic-rail ul li a:hover{color:var(--ink)}
.topic-rail ul li a.active{color:var(--ink);font-weight:500}

.schema-highlight{background:var(--signature-cream);border-radius:10px;padding:24px;margin:32px 0}
.schema-highlight h4{font-size:16px;font-weight:500;color:var(--ink);margin-bottom:8px}
.schema-highlight p{font-size:14px;color:var(--body);margin:0}

.tag{display:inline-block;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);background:var(--surface-soft);padding:4px 10px;border-radius:4px}

.disclaimer{background:var(--surface-soft);border-left:3px solid var(--hairline);padding:16px 20px;font-size:13px;color:var(--muted);margin:32px 0;border-radius:0 6px 6px 0}

@media(max-width:1024px){
.container{padding:0 32px}
.grid-3{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.sidebar-layout{grid-template-columns:1fr}
}

@media(max-width:768px){
.container{padding:0 20px}
h1{font-size:28px}
h2{font-size:24px}
h3{font-size:20px}
.hero-band{padding:64px 0}
section.section{padding:64px 0}
.grid-3,.grid-2{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.nav-links{display:none}
.nav-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--canvas);border-bottom:1px solid var(--hairline);padding:20px;gap:16px;z-index:99}
.hamburger{display:flex}
.footer-bottom{flex-direction:column;text-align:center}
.sidebar-layout{grid-template-columns:1fr}
.topic-rail{display:none}
.contact-form{padding:28px}
}