/* Ocean Deep — Full stylesheet */

:root{
    --marine:#0b3d66;
    --marine-light:#1565c0;
    --marine-soft:#4a6b85;
    --foam:#f8fbfd;
    --foam-dark:#eef5f9;
    --white:#fff;
    --ink:#0f1b2a;
    --ink-soft:#3a4f61;
    --gray:#6b7c8a;
    --gray-light:#a8b6c0;
    --line:#d5e3ec;
    --accent:#26c6da;
    --accent-dark:#00acc1;
    --hff:'Manrope',sans-serif;
    --bff:'Manrope',sans-serif;
    --quote:'Lora',serif;
    --radius:16px;
    --radius-sm:10px;
    --container:1200px;
    --shadow:0 4px 24px rgba(11,61,102,.08);
    --shadow-hover:0 12px 40px rgba(11,61,102,.14);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--bff);color:var(--ink-soft);background:var(--foam);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4,h5,h6{font-family:var(--hff);color:var(--ink);line-height:1.25;letter-spacing:-.02em}
blockquote{font-family:var(--quote);font-style:italic;color:var(--marine);border-left:4px solid var(--accent);padding-left:22px;margin:28px 0;font-size:1.08em}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:100000;padding:10px 18px;background:var(--marine);color:#fff;font-weight:700;border-radius:0 0 var(--radius-sm) 0}
.skip-link:focus{left:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Header */
.site-header{background:linear-gradient(135deg,var(--marine) 0%,#0a3152 100%);color:#fff;position:relative;overflow:hidden}
.site-header::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(38,198,218,.12) 0%,transparent 45%);pointer-events:none}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:26px 0;position:relative;z-index:2;gap:20px}
.site-logo{font-family:var(--hff);font-weight:800;font-size:30px;letter-spacing:-.03em;line-height:1;color:#fff;display:flex;align-items:center}
.site-logo .logo-svg{display:flex;align-items:center}
.site-logo .logo-svg svg{height:48px;width:auto;max-width:300px;fill:currentColor}
.site-logo img{max-height:52px;width:auto}
.site-tagline{font-size:13px;font-weight:500;color:rgba(255,255,255,.72);margin-top:4px;letter-spacing:.02em}

/* Nav */
.main-nav{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(11,61,102,.05)}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;position:relative}
.nav-menu{display:flex;align-items:center;flex-wrap:wrap;gap:4px}
.nav-item>a{display:block;padding:16px 14px;font-family:var(--hff);font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--marine);transition:color .2s,box-shadow .2s;border-radius:0 0 var(--radius-sm) var(--radius-sm)}
.nav-item>a:hover,.nav-item.active>a{color:var(--accent-dark);box-shadow:inset 0 -3px 0 var(--accent)}
.nav-right{display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--marine);transition:background .2s,color .2s}
.icon-btn:hover{background:var(--foam-dark);color:var(--accent-dark)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:14px 10px}
.nav-toggle span{width:24px;height:2px;background:var(--marine);transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Waves */
.wave-divider{position:relative;width:100%;overflow:hidden;line-height:0;background:var(--foam)}
.wave-divider svg{position:relative;display:block;width:calc(100% + 1.3px);height:60px}
.wave-divider--header{background:var(--marine)}
.wave-divider--header svg{height:46px}
.wave-divider--top{background:var(--white)}
.wave-divider--top svg{height:50px}

/* Hero */
.hero{background:var(--white);padding:0 0 40px}
.hero-inner{padding-top:34px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start}
.hero-main{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--marine);box-shadow:var(--shadow-hover)}
.hero-main .card-thumb{display:block;aspect-ratio:16/10;overflow:hidden}
.hero-main .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.6,.2,1)}
.hero-main:hover .card-thumb img{transform:scale(1.05)}
.hero-main-content{position:absolute;bottom:0;left:0;right:0;padding:34px;background:linear-gradient(to top,rgba(11,61,102,.95) 0%,rgba(11,61,102,.6) 60%,transparent 100%);color:#fff}
.hero-main-content .meta-line{color:rgba(255,255,255,.75);margin-bottom:10px}
.hero-main-content .meta-line a{color:#fff}
.hero-main-content h2{font-size:30px;font-weight:800;line-height:1.18;color:#fff}
.hero-main-content h2 a:hover{color:var(--accent)}
.hero-side{display:flex;flex-direction:column;gap:22px}
.hero-card{display:flex;gap:16px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px;transition:box-shadow .2s,border-color .2s}
.hero-card:hover{box-shadow:var(--shadow);border-color:var(--accent)}
.hero-card .card-thumb{width:110px;height:86px;flex-shrink:0;border-radius:var(--radius-sm);overflow:hidden;background:var(--foam-dark)}
.hero-card .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.6,.2,1)}
.hero-card:hover .card-thumb img{transform:scale(1.08)}
.hero-card h3{font-size:16px;font-weight:700;line-height:1.32;margin-top:4px}

/* Meta */
.meta-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-family:var(--hff);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gray-light)}
.meta-line a{color:var(--gray);transition:color .2s}
.meta-line a:hover{color:var(--accent-dark)}
.meta-line .sep{color:var(--gray-light)}

/* Sections */
.section{padding:44px 0}
.section-head{display:flex;align-items:center;gap:16px;margin-bottom:28px}
.section-title{font-size:22px;font-weight:800;color:var(--marine);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
.section-line{flex:1;height:2px;background:linear-gradient(to right,var(--accent) 0%,transparent 100%);border-radius:2px;opacity:.6}
.section-line--center{background:linear-gradient(to right,transparent 0%,var(--accent) 50%,transparent 100%)}

/* Category grid */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px}
.cat-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:24px 18px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s,box-shadow .2s,border-color .2s}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.cat-card-icon{width:56px;height:56px;border-radius:50%;background:var(--foam-dark);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--marine);transition:background .2s,color .2s}
.cat-card:hover .cat-card-icon{background:var(--marine);color:#fff}
.cat-card-icon svg{width:24px;height:24px}
.cat-card h3{font-size:15px;font-weight:800;margin-bottom:4px}
.cat-card span{font-size:12px;color:var(--gray);font-weight:600}

/* Cards grid */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .25s,border-color .25s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow-hover);border-color:var(--accent)}
.card .card-thumb{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--foam-dark)}
.card .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.6,.2,1)}
.card:hover .card-thumb img{transform:scale(1.06)}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;font-weight:800;line-height:1.3;margin:10px 0 8px}
.card-body h3 a:hover{color:var(--marine-light)}
.card-excerpt{font-size:14px;line-height:1.55;color:var(--gray);margin-bottom:16px;flex:1}
.read-more{display:inline-flex;align-items:center;gap:8px;font-family:var(--hff);font-weight:700;font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--marine);transition:gap .2s}
.read-more:hover{gap:12px;color:var(--accent-dark)}
.read-more svg{width:16px;height:16px}

/* Layout main + sidebar */
.layout{display:grid;grid-template-columns:1fr var(--sidebarWidth);gap:40px;padding-top:30px;padding-bottom:50px}
.main-col{min-width:0}
.sidebar{display:flex;flex-direction:column;gap:28px}

/* Widgets */
.widget{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.widget-title{font-size:15px;font-weight:800;color:var(--marine);text-transform:uppercase;letter-spacing:.04em;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--foam-dark)}
.widget-newsletter{background:linear-gradient(135deg,var(--marine) 0%,var(--marine-light) 100%);color:#fff;border:none}
.widget-newsletter .widget-title{color:#fff;border-bottom-color:rgba(255,255,255,.2)}
.newsletter-form{display:flex;flex-direction:column;gap:10px}
.newsletter-form input{width:100%;padding:12px 14px;border:1px solid rgba(255,255,255,.3);border-radius:var(--radius-sm);background:rgba(255,255,255,.12);color:#fff;font-family:inherit;font-size:14px}
.newsletter-form input::placeholder{color:rgba(255,255,255,.7)}
.newsletter-form button{padding:12px 16px;background:var(--accent);color:var(--marine);font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase;border-radius:var(--radius-sm);transition:background .2s}
.newsletter-form button:hover{background:#4dd0e1}

.popular-item{display:flex;gap:14px;align-items:center;margin-bottom:16px}
.popular-item:last-child{margin-bottom:0}
.popular-item .card-thumb{width:80px;height:64px;flex-shrink:0;border-radius:var(--radius-sm);overflow:hidden;background:var(--foam-dark)}
.popular-item .card-thumb img{width:100%;height:100%;object-fit:cover}
.popular-item h4{font-size:14px;font-weight:700;line-height:1.3;margin-top:3px}
.popular-item h4 a:hover{color:var(--marine-light)}

/* Breadcrumb */
.breadcrumb{padding:22px 0 0;font-family:var(--hff);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gray-light)}
.breadcrumb-list{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.breadcrumb-item a{color:var(--gray);transition:color .2s}
.breadcrumb-item a:hover{color:var(--accent-dark)}
.breadcrumb-item+.breadcrumb-item::before{content:"/";margin-right:10px;color:var(--gray-light)}
.breadcrumb-item.active{color:var(--marine)}

/* Article */
.page-article .layout{padding-top:10px}
.article-head{padding:10px 0 28px}
.article-head h1{font-size:40px;font-weight:800;line-height:1.15;letter-spacing:-.02em;margin:14px 0 18px;max-width:840px;color:var(--marine)}
.article-excerpt{font-size:18px;line-height:1.55;color:var(--marine-soft);max-width:760px}
.article-meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:var(--hff);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gray-light)}
.article-meta-row a{color:var(--gray)}
.article-meta-row .sep{color:var(--gray-light)}
.avatar-letter{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--marine) 0%,var(--marine-light) 100%);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-family:var(--hff);font-weight:800;font-size:15px;flex-shrink:0}
.avatar-letter--xl{width:64px;height:64px;font-size:26px}

.share-pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:30px;padding:6px 12px;margin:6px 0 28px;background:var(--white)}
.share-pill .share-label{font-family:var(--hff);font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gray-light);padding:0 8px}
.share-pill a{width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--marine);transition:background .2s,color .2s}
.share-pill a:hover{background:var(--foam-dark);color:var(--accent-dark)}
.share-pill svg{width:14px;height:14px}

.article-featured{border-radius:var(--radius);overflow:hidden;margin-bottom:32px;background:var(--foam-dark)}
.article-featured img{width:100%;height:auto}
.article-content{font-size:17px;line-height:1.75;color:var(--ink-soft)}
.article-content h2,.article-content h3,.article-content h4{color:var(--marine);margin:34px 0 14px}
.article-content h2{font-size:28px}
.article-content h3{font-size:22px}
.article-content p{margin-bottom:18px}
.article-content ul,.article-content ol{margin:0 0 20px 24px;list-style:revert}
.article-content li{margin-bottom:8px}
.article-content a{color:var(--marine-light);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--accent-dark)}
.article-content img{border-radius:var(--radius-sm);margin:24px 0}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--gray);text-align:center;margin-top:8px}

.social-share{display:flex;align-items:center;gap:14px;padding:26px 0;border-top:1px solid var(--line);margin-top:36px}
.social-share .share-label{font-family:var(--hff);font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--marine)}
.share-buttons{display:flex;gap:10px}
.share-btn{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--white);border:1px solid var(--line);color:var(--marine);transition:background .2s,border-color .2s,color .2s}
.share-btn:hover{background:var(--marine);border-color:var(--marine);color:#fff}
.share-btn svg{width:16px;height:16px}

.author-box{display:flex;gap:20px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-top:36px}
.author-box-avatar{border-radius:50%;object-fit:cover}
.author-box-info h3{font-size:18px;font-weight:800;margin-bottom:8px}
.author-box-info h3 a:hover{color:var(--marine-light)}
.author-box-info p{font-size:14px;line-height:1.6;color:var(--gray);margin-bottom:10px}
.author-box-link{font-family:var(--hff);font-weight:700;font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--accent-dark)}
.author-box-link:hover{color:var(--marine)}

/* Category / Author header */
.archive-header{padding:34px 0 28px;text-align:center}
.archive-header h1{font-size:36px;font-weight:800;color:var(--marine);margin-bottom:12px}
.archive-header p{color:var(--gray);max-width:640px;margin:0 auto}
.archive-count{display:inline-block;margin-top:14px;padding:6px 14px;background:var(--foam-dark);border-radius:20px;font-size:12px;font-weight:700;color:var(--marine-soft)}
.author-header{display:flex;align-items:center;justify-content:center;gap:22px;padding:34px 0 28px}
.author-header .avatar-letter--xl{flex-shrink:0}
.author-header h1{font-size:34px;font-weight:800;color:var(--marine)}
.author-header p{max-width:560px;margin-top:6px;color:var(--gray)}

/* Author list */
.authors-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.author-card{display:flex;flex-direction:column;align-items:center;text-align:center;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;transition:box-shadow .25s,border-color .25s}
.author-card:hover{box-shadow:var(--shadow-hover);border-color:var(--accent)}
.author-card .avatar-letter{width:72px;height:72px;font-size:28px;margin-bottom:16px}
.author-card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.author-card p{font-size:14px;color:var(--gray);margin-bottom:14px;line-height:1.5}
.author-card .author-link{font-family:var(--hff);font-weight:700;font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--accent-dark)}
.author-card .author-link:hover{color:var(--marine)}

/* Contact */
.contact-page{background:var(--white);border-radius:var(--radius);border:1px solid var(--line);padding:44px;max-width:720px;margin:30px auto;text-align:center}
.contact-page h1{font-size:34px;font-weight:800;color:var(--marine);margin-bottom:14px}
.contact-page p{color:var(--gray);margin-bottom:28px;line-height:1.6}
.contact-card{display:inline-flex;align-items:center;gap:14px;padding:22px 28px;background:var(--foam);border:1px solid var(--line);border-radius:var(--radius-sm);font-family:var(--hff);font-size:18px;font-weight:700;color:var(--marine)}
.contact-card svg{width:24px;height:24px;color:var(--accent-dark)}
.contact-link:hover{color:var(--accent-dark)}

/* Page */
.page-content{background:var(--white);border-radius:var(--radius);border:1px solid var(--line);padding:40px;margin:30px 0 50px}
.page-content h1{font-size:34px;font-weight:800;color:var(--marine);margin-bottom:18px}
.page-content h2,.page-content h3{color:var(--marine);margin:28px 0 12px}
.page-content p{margin-bottom:16px}
.page-content ul,.page-content ol{margin:0 0 18px 24px;list-style:revert}

/* 404 */
.error-page{text-align:center;padding:70px 24px 90px}
.error-code{font-size:120px;font-weight:900;line-height:1;color:var(--marine);opacity:.18;letter-spacing:-.05em}
.error-page h1{font-size:34px;font-weight:800;color:var(--marine);margin-bottom:14px}
.error-page p{color:var(--gray);margin-bottom:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;background:linear-gradient(135deg,var(--marine) 0%,var(--marine-light) 100%);color:#fff;font-family:var(--hff);font-weight:800;font-size:14px;letter-spacing:.03em;border-radius:var(--radius-sm);transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn svg{width:18px;height:18px}

/* Pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px}
.pagination a,.pagination span{padding:10px 16px;border-radius:var(--radius-sm);font-family:var(--hff);font-weight:700;font-size:13px;background:var(--white);border:1px solid var(--line);color:var(--marine);transition:background .2s,border-color .2s}
.pagination a:hover{background:var(--foam-dark);border-color:var(--accent)}
.pagination .current{background:var(--marine);border-color:var(--marine);color:#fff}

/* Footer */
.site-footer{background:linear-gradient(180deg,var(--marine) 0%,#082d4d 100%);color:rgba(255,255,255,.78);padding-top:50px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(to right,var(--accent) 0%,var(--marine-light) 50%,var(--accent) 100%)}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:34px;padding-bottom:40px}
.footer-brand .footer-logo{font-family:var(--hff);font-size:26px;font-weight:800;color:#fff;display:inline-block;margin-bottom:12px}
.footer-desc{font-size:14px;line-height:1.6;color:rgba(255,255,255,.7)}
.footer-col h4{font-size:13px;font-weight:800;color:#fff;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-newsletter{display:flex;gap:8px}
.footer-newsletter input{flex:1;padding:11px 14px;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius-sm);background:rgba(255,255,255,.1);color:#fff;font-family:inherit;font-size:14px}
.footer-newsletter input::placeholder{color:rgba(255,255,255,.55)}
.footer-newsletter button{padding:11px 16px;background:var(--accent);color:var(--marine);font-weight:800;font-size:13px;border-radius:var(--radius-sm);transition:background .2s}
.footer-newsletter button:hover{background:#4dd0e1}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom-links{display:flex;gap:18px}
.footer-bottom-links a{color:rgba(255,255,255,.65);transition:color .2s}
.footer-bottom-links a:hover{color:var(--accent)}
.footer-social-strip{display:flex;justify-content:center;gap:14px;padding-bottom:30px}
.footer-social-strip a{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:#fff;transition:background .2s,border-color .2s}
.footer-social-strip a:hover{background:rgba(255,255,255,.1);border-color:var(--accent);color:var(--accent)}
.footer-social-strip svg{width:18px;height:18px}

/* Back to top */
#back-to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--accent);color:var(--marine);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-hover);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,visibility .25s,transform .25s;z-index:90}
#back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
#back-to-top:hover{background:var(--accent-dark);color:#fff}
#back-to-top svg{width:20px;height:20px}

/* Search overlay */
.search-overlay{position:fixed;inset:0;background:rgba(11,61,102,.92);z-index:200;display:flex;align-items:flex-start;justify-content:center;padding-top:120px;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
.search-overlay.active{opacity:1;visibility:visible}
.search-close{position:absolute;top:24px;right:24px;width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.15);color:#fff;font-size:32px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background .2s}
.search-close:hover{background:rgba(255,255,255,.25)}
.search-box{width:100%;max-width:640px;padding:0 24px}
.search-box input{width:100%;padding:20px 24px;border:none;border-radius:var(--radius);background:#fff;font-family:var(--hff);font-size:20px;color:var(--marine);box-shadow:var(--shadow-hover)}
.search-box input::placeholder{color:var(--gray-light)}

/* Responsive */
@media(max-width:1100px){
    .layout{grid-template-columns:1fr;gap:34px}
    .sidebar{max-width:720px;margin:0 auto;width:100%}
    .cards-grid{grid-template-columns:repeat(2,1fr)}
    .footer-top{grid-template-columns:1fr 1fr;gap:28px}
    .authors-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
    .hero-grid{grid-template-columns:1fr}
    .hero-side{flex-direction:row;overflow-x:auto;gap:16px;padding-bottom:8px;scroll-snap-type:x mandatory}
    .hero-card{min-width:280px;scroll-snap-align:start}
    .cards-grid{grid-template-columns:1fr}
    .cat-grid{grid-template-columns:repeat(2,1fr)}
    .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;align-items:stretch;padding:8px 0;box-shadow:0 12px 24px rgba(11,61,102,.1)}
    .nav-menu.active{display:flex}
    .nav-item>a{padding:13px 24px;box-shadow:none!important}
    .nav-toggle{display:flex}
    .nav-right{position:static;margin-left:auto}
    .article-head h1{font-size:28px}
    .error-code{font-size:80px}
    .footer-top{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;gap:12px;text-align:center}
    .contact-page{padding:28px}
}
@media(max-width:480px){
    .site-logo{font-size:24px}
    .header-inner{padding:20px 0}
    .hero-main-content{padding:20px}
    .hero-main-content h2{font-size:22px}
    .section-title{font-size:18px}
    .authors-grid{grid-template-columns:1fr}
    .cat-grid{grid-template-columns:1fr}
    .page-content{padding:24px}
}