*,*::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;
--on-primary:#ffffff;
--ink:#26251e;
--body-color:#5a5852;
--muted:#807d72;
--muted-soft:#a09c92;
--hairline:#e6e5e0;
--hairline-soft:#efeee8;
--hairline-strong:#cfcdc4;
--success:#1f8a65;
--error:#cf2d56;
--rounded-xs:4px;
--rounded-sm:6px;
--rounded-md:8px;
--rounded-lg:12px;
--rounded-xl:16px;
--rounded-pill:9999px;
--font-sans:'Inter',system-ui,'Helvetica Neue',Helvetica,Arial,sans-serif;
--font-mono:'JetBrains Mono',monospace;
--section-gap:80px;
}

html{scroll-behavior:smooth;font-size:16px}
body{background:var(--canvas);color:var(--body-color);font-family:var(--font-sans);font-weight:400;line-height:1.5;min-height:100vh}

a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

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

h1,h2,h3,h4{color:var(--ink);font-weight:400;letter-spacing:-0.02em;line-height:1.2}
h1{font-size:clamp(2rem,5vw,4.5rem);letter-spacing:-0.135em}
h2{font-size:clamp(1.5rem,3vw,2.25rem);letter-spacing:-0.045em}
h3{font-size:clamp(1.125rem,2vw,1.625rem);letter-spacing:-0.02em}
h4{font-size:1.125rem;font-weight:600;letter-spacing:0}
p{margin-bottom:1rem;color:var(--body-color)}
p:last-child{margin-bottom:0}

.section-label{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:16px}
.section-title{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:400;color:var(--ink);letter-spacing:-0.045em;line-height:1.2}
.section-body{font-size:1rem;color:var(--body-color);line-height:1.5;margin-top:12px;max-width:60ch}

.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;transition:background .15s,color .15s;text-decoration:none}
.btn-primary{background:var(--primary);color:var(--on-primary);padding:10px 18px;height:40px;border-radius:var(--rounded-md)}
.btn-primary:hover{background:var(--primary-active)}
.btn-secondary{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong);padding:10px 18px;height:40px;border-radius:var(--rounded-md)}
.btn-secondary:hover{background:var(--surface-strong)}
.btn-download{background:var(--ink);color:var(--canvas);padding:12px 20px;height:44px;border-radius:var(--rounded-md)}
.btn-download:hover{background:#3a3930}

.site-nav{position:sticky;top:0;z-index:100;background:var(--canvas);border-bottom:1px solid var(--hairline);height:64px;display:flex;align-items:center}
.nav-inner{max-width:1200px;margin-inline:auto;padding-inline:24px;width:100%;display:flex;align-items:center;gap:32px}
.nav-logo{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--ink);flex-shrink:0}
.logo-mark{color:var(--primary);font-size:14px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{font-size:14px;font-weight:500;color:var(--body-color);padding:6px 12px;border-radius:var(--rounded-sm);transition:color .15s,background .15s}
.nav-link:hover,.nav-link--active{color:var(--ink);background:var(--surface-strong)}
.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:transform .2s,opacity .2s}

.hero{padding:var(--section-gap) 0 60px;border-bottom:1px solid var(--hairline)}
.hero-inner{max-width:1200px;margin-inline:auto;padding-inline:24px}
.hero-eyebrow{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:20px}
.hero-title{font-size:clamp(2.25rem,6vw,4.5rem);font-weight:400;letter-spacing:-0.03em;color:var(--ink);line-height:1.08;max-width:16ch;margin-bottom:20px}
.hero-sub{font-size:1rem;color:var(--body-color);max-width:50ch;margin-bottom:32px;line-height:1.6}
.hero-img{margin-top:48px;border-radius:var(--rounded-lg);overflow:hidden;border:1px solid var(--hairline);aspect-ratio:16/7;object-fit:cover;width:100%}

.articles-grid-section{padding:var(--section-gap) 0}
.articles-grid-section .container{display:grid;gap:48px}
.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;display:flex;flex-direction:column;transition:border-color .2s}
.article-card:hover{border-color:var(--hairline-strong)}
.article-card__img{aspect-ratio:16/9;object-fit:cover;width:100%}
.article-card__body{padding:24px;display:flex;flex-direction:column;flex:1}
.article-card__tag{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.article-card__title{font-size:1.25rem;font-weight:400;color:var(--ink);letter-spacing:-0.02em;line-height:1.3;margin-bottom:10px}
.article-card__excerpt{font-size:14px;color:var(--body-color);line-height:1.5;flex:1;margin-bottom:16px}
.article-card__meta{font-size:13px;color:var(--muted);margin-bottom:0}
.article-card__link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--primary);margin-top:16px}
.article-card__link:hover{color:var(--primary-active)}

.feature-band{padding:var(--section-gap) 0;border-top:1px solid var(--hairline)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.feature-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--rounded-lg);padding:24px}
.feature-card__icon{width:36px;height:36px;background:var(--surface-strong);border-radius:var(--rounded-sm);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:18px}
.feature-card__title{font-size:1rem;font-weight:600;color:var(--ink);margin-bottom:8px}
.feature-card__body{font-size:14px;color:var(--body-color);line-height:1.5;margin-bottom:0}

.article-page{max-width:1200px;margin-inline:auto;padding:60px 24px;display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.article-content{}
.article-content h1{font-size:clamp(1.75rem,4vw,2.75rem);letter-spacing:-0.03em;margin-bottom:12px}
.article-content h2{font-size:clamp(1.25rem,2.5vw,1.75rem);margin-top:40px;margin-bottom:16px}
.article-content h3{font-size:1.125rem;font-weight:600;margin-top:28px;margin-bottom:10px}
.article-content p{font-size:1rem;line-height:1.7;color:var(--body-color);margin-bottom:1.25rem}
.article-content ul,.article-content ol{margin-bottom:1.25rem;padding-left:1.5rem}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{font-size:1rem;line-height:1.7;color:var(--body-color);margin-bottom:4px}
.article-content img{border-radius:var(--rounded-lg);border:1px solid var(--hairline);margin:24px 0;width:100%;aspect-ratio:16/9;object-fit:cover}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.article-content th{text-align:left;font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--hairline-strong)}
.article-content td{padding:10px 14px;border-bottom:1px solid var(--hairline);color:var(--body-color);line-height:1.5}
.article-content td:first-child{color:var(--ink);font-weight:500}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:32px;display:flex;gap:16px;flex-wrap:wrap}
.article-meta span{display:flex;align-items:center;gap:4px}

.article-sidebar{position:sticky;top:80px}
.sidebar-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--rounded-lg);padding:24px;margin-bottom:20px}
.sidebar-card__title{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.sidebar-links{display:flex;flex-direction:column;gap:8px}
.sidebar-link{font-size:14px;color:var(--body-color);padding:8px 12px;border-radius:var(--rounded-sm);border:1px solid var(--hairline);transition:border-color .15s,color .15s}
.sidebar-link:hover{border-color:var(--hairline-strong);color:var(--ink)}
.sidebar-link--active{border-color:var(--primary);color:var(--primary)}
.sidebar-ext-link{font-size:14px;color:var(--body-color);display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--hairline-soft)}
.sidebar-ext-link:last-child{border-bottom:none}
.sidebar-ext-link:hover{color:var(--ink)}
.sidebar-ext-link::after{content:'↗';font-size:12px;color:var(--muted)}

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

code,pre{font-family:var(--font-mono);font-size:13px}
.code-block{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline);border-radius:var(--rounded-lg);padding:20px;margin:24px 0;overflow-x:auto;line-height:1.5}

.contact-section{padding:var(--section-gap) 0;border-top:1px solid var(--hairline)}
.contact-inner{max-width:680px}
.contact-form{margin-top:32px;display:flex;flex-direction:column;gap:20px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:14px;font-weight:500;color:var(--ink)}
.form-input,.form-textarea{background:var(--surface-card);color:var(--ink);border:1px solid var(--hairline-strong);border-radius:var(--rounded-md);padding:12px 16px;font-size:1rem;font-family:var(--font-sans);height:44px;width:100%;transition:border-color .15s}
.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--primary)}
.form-textarea{height:auto;min-height:120px;resize:vertical}
.form-submit{align-self:flex-start}
.form-status{font-size:14px;padding:12px 16px;border-radius:var(--rounded-md);display:none}
.form-status--success{background:#e8f5f0;color:var(--success);border:1px solid #b3ddd1;display:block}
.form-status--error{background:#fde8ec;color:var(--error);border:1px solid #f5b8c4;display:block}
.form-loading{display:none;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.form-loading.is-visible{display:flex}
.spinner{width:16px;height:16px;border:2px solid var(--hairline-strong);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.page-header{padding:60px 0 40px;border-bottom:1px solid var(--hairline)}
.page-body{max-width:720px;margin:0 auto;padding:48px 24px}
.page-body h2{margin-top:36px;margin-bottom:14px}
.page-body p,.page-body li{font-size:1rem;line-height:1.7;color:var(--body-color);margin-bottom:.75rem}
.page-body ul{list-style:disc;padding-left:1.5rem}
.page-body ol{list-style:decimal;padding-left:1.5rem}
.updated-date{font-size:13px;color:var(--muted);margin-top:8px}

.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .15s}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb-sep{color:var(--hairline-strong)}

.site-footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:64px 0 48px}
.footer-inner{max-width:1200px;margin-inline:auto;padding-inline:24px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:32px}
.footer-logo{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:12px}
.footer-tagline{font-size:14px;color:var(--body-color);line-height:1.5;margin-bottom:0}
.footer-col-title{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:6px}
.footer-link{font-size:14px;color:var(--body-color);transition:color .15s}
.footer-link:hover{color:var(--ink)}
.footer-bottom{max-width:1200px;margin-inline:auto;padding:24px 24px 0;border-top:1px solid var(--hairline);margin-top:48px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.footer-copy,.footer-disclaimer{font-size:13px;color:var(--muted)}

.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--ink);padding:16px 24px;z-index:200;display:none}
.cookie-banner.is-visible{display:block}
.cookie-inner{max-width:1200px;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.cookie-text{font-size:14px;color:var(--canvas);margin-bottom:0}
.cookie-link{color:var(--primary);text-decoration:underline}
.cookie-actions{display:flex;gap:10px;flex-shrink:0}

@media(max-width:1024px){
.article-page{grid-template-columns:1fr;gap:32px}
.article-sidebar{position:static}
.footer-inner{grid-template-columns:1fr 1fr;gap:24px}
.footer-col--brand{grid-column:1/-1}
}
@media(max-width:768px){
.nav-menu{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:4px}
.nav-menu.is-open{display:flex}
.nav-toggle{display:flex;margin-left:auto}
.articles-grid{grid-template-columns:1fr}
.feature-grid{grid-template-columns:1fr}
.footer-inner{grid-template-columns:1fr 1fr}
.footer-col--brand{grid-column:1/-1}
.footer-bottom{flex-direction:column;gap:8px}
.cookie-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:640px){
.articles-grid,.feature-grid{grid-template-columns:1fr}
.footer-inner{grid-template-columns:1fr}
.hero-title{font-size:2rem}
}

.tag-pill{display:inline-block;background:var(--surface-strong);color:var(--ink);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;border-radius:var(--rounded-pill);padding:4px 10px}
.divider{border:none;border-top:1px solid var(--hairline);margin:40px 0}
.text-muted{color:var(--muted)}
.mt-section{margin-top:var(--section-gap)}