/* TutGate - Stylesheet */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#00BCF2;--primary-dark:#0094D6;--accent:#090D17;--text:#333;--text-light:#666;--bg:#f5f5f8;--bg-white:#fff;--border:#e0e0e0;--font-primary:'Inter',sans-serif;--font-heading:'Playfair Display',Georgia,serif;--max-width:1100px}

html{scroll-behavior:smooth}
body{font-family:var(--font-primary);color:var(--text);background:var(--bg);line-height:1.7;font-size:16px}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--font-heading);line-height:1.3;color:var(--accent)}

/* Container */
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:var(--accent);padding:12px 0;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.site-logo img{height:44px;width:auto}
.main-nav ul{list-style:none;display:flex;gap:8px}
.main-nav a{color:#fff;padding:8px 16px;border-radius:4px;font-weight:500;font-size:.95rem;transition:background .2s,color .2s}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:#fff}

/* Menu toggle */
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:24px;height:2px;background:#fff;transition:transform .3s,opacity .3s}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Breadcrumb */
.breadcrumb{padding:16px 0;font-size:.9rem;color:var(--text-light)}
.breadcrumb a{color:var(--primary-dark)}
.breadcrumb a:hover{text-decoration:underline}

/* Site content */
.site-content{min-height:60vh;padding:30px 0}

/* Article layout */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px}

/* Entry header */
.entry-header{margin-bottom:24px}
.entry-title{font-size:2rem;margin-bottom:8px}

/* Post thumbnail */
.post-thumbnail{margin-bottom:24px;border-radius:8px;overflow:hidden}
.post-thumbnail img{width:100%;object-fit:cover}

/* Entry content */
.entry-content{font-size:1.05rem;line-height:1.8}
.entry-content p{margin-bottom:1.2em}
.entry-content h2{font-size:1.5rem;margin:1.8em 0 .8em;padding-bottom:.3em;border-bottom:2px solid var(--primary)}
.entry-content h3{font-size:1.25rem;margin:1.5em 0 .6em}
.entry-content ul,.entry-content ol{margin:0 0 1.2em 1.5em}
.entry-content li{margin-bottom:.4em}
.entry-content img{border-radius:8px;margin:1em 0}
.entry-content blockquote{border-left:4px solid var(--primary);padding:12px 20px;margin:1.2em 0;background:rgba(0,188,242,.05);border-radius:0 8px 8px 0}
.entry-content a{color:var(--primary-dark);text-decoration:underline}
.entry-content a:hover{color:var(--primary)}
.entry-content table{width:100%;border-collapse:collapse;margin:1.2em 0}
.entry-content th,.entry-content td{border:1px solid var(--border);padding:8px 12px;text-align:left}
.entry-content th{background:var(--accent);color:#fff}

/* Post list */
.post-list{display:grid;gap:24px}

/* Post card */
.post-card{display:grid;grid-template-columns:280px 1fr;gap:20px;background:var(--bg-white);border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .2s,box-shadow .2s}
.post-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.1)}
.post-card-image{overflow:hidden}
.post-card-image img{width:100%;height:100%;object-fit:cover;min-height:180px;transition:transform .3s}
.post-card:hover .post-card-image img{transform:scale(1.05)}
.post-card-content{padding:20px;display:flex;flex-direction:column;justify-content:center}
.post-card-content h3{font-size:1.15rem;margin-bottom:8px}
.post-card-content h3 a{color:var(--accent)}
.post-card-content h3 a:hover{color:var(--primary)}
.post-card-content p{color:var(--text-light);font-size:.92rem;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.read-more{color:var(--primary-dark);font-weight:600;font-size:.9rem}
.read-more:hover{color:var(--primary)}

/* Home sections */
.home-section{margin-bottom:48px}
.section-title{font-size:1.6rem;margin-bottom:20px;padding-bottom:10px;border-bottom:3px solid var(--primary)}
.section-title a{color:var(--accent)}
.section-title a:hover{color:var(--primary)}
.section-more{text-align:right;margin-top:16px}
.section-more a{font-weight:600;color:var(--primary-dark)}
.section-more a:hover{color:var(--primary)}

/* Hero section */
.hero-section{background:linear-gradient(135deg,var(--accent) 0%,#1a2332 100%);color:#fff;padding:60px 0;margin-bottom:40px;text-align:center}
.hero-section h1{font-size:2.4rem;margin-bottom:12px;color:#fff}
.hero-section p{font-size:1.15rem;opacity:.85;max-width:600px;margin:0 auto}

/* Post grid (featured) */
.post-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-card{display:block;border-radius:10px;overflow:hidden;background:var(--bg-white);box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .2s,box-shadow .2s}
.grid-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.grid-card-image{height:160px;overflow:hidden}
.grid-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.grid-card:hover .grid-card-image img{transform:scale(1.05)}
.grid-card-content{padding:14px}
.grid-card-category{font-size:.75rem;color:var(--primary);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.grid-card-content h3{font-size:.95rem;margin-top:6px;color:var(--accent);line-height:1.3}

/* Related posts */
.related-posts{background:var(--bg);padding:40px 0;margin-top:40px}
.related-posts h2{font-size:1.5rem;margin-bottom:24px;text-align:center}

/* Pagination */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:32px;padding:20px 0}
.pagination a,.pagination span{padding:8px 14px;border-radius:6px;font-size:.95rem;font-weight:500}
.pagination a{background:var(--bg-white);color:var(--text);border:1px solid var(--border)}
.pagination a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination-current{background:var(--primary);color:#fff}

/* Category header */
.category-header{margin-bottom:32px;padding-bottom:20px;border-bottom:2px solid var(--border)}
.category-header h1{font-size:2rem;margin:8px 0}
.category-header p{color:var(--text-light);font-size:1.05rem}

/* Sidebar */
.sidebar{position:sticky;top:80px}
.widget{background:var(--bg-white);border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.widget-title{font-size:1.1rem;margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.widget-list{list-style:none}
.widget-list li{padding:6px 0;border-bottom:1px solid var(--border)}
.widget-list li:last-child{border-bottom:none}
.widget-list a{color:var(--text);font-size:.92rem}
.widget-list a:hover{color:var(--primary)}

/* Footer */
.site-footer{background:var(--accent);color:rgba(255,255,255,.7);padding:24px 0;margin-top:40px;text-align:center;font-size:.9rem}
.site-footer a{color:rgba(255,255,255,.85)}
.site-footer a:hover{color:#fff}

/* Back to top */
.back-to-top{position:fixed;bottom:24px;right:24px;width:44px;height:44px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;text-decoration:none;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;box-shadow:0 2px 8px rgba(0,0,0,.2);z-index:99}
.back-to-top.visible{opacity:1;pointer-events:auto}
.back-to-top:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}

/* Error 404 */
.error-404{text-align:center;padding:80px 20px}
.error-404 h1{font-size:6rem;color:var(--primary);margin-bottom:0;line-height:1}
.error-404 h2{font-size:1.8rem;margin-bottom:16px}
.error-404 p{color:var(--text-light);margin-bottom:12px}
.btn-primary{display:inline-block;background:var(--primary);color:#fff;padding:12px 28px;border-radius:6px;font-weight:600;transition:background .2s}
.btn-primary:hover{background:var(--primary-dark);color:#fff}

/* Legal page */
.legal-page{max-width:800px;padding:20px 0}
.legal-page h1{font-size:2rem;margin-bottom:24px}
.legal-page h2{font-size:1.3rem;margin:24px 0 8px;color:var(--accent)}
.legal-page p{margin-bottom:12px}

/* Responsive */
@media(max-width:900px){
    .article-layout{grid-template-columns:1fr}
    .sidebar{position:static}
    .post-grid{grid-template-columns:repeat(2,1fr)}
    .post-card{grid-template-columns:200px 1fr}
}

@media(max-width:700px){
    .menu-toggle{display:flex}
    .main-nav{position:fixed;top:0;right:-280px;width:280px;height:100vh;background:var(--accent);padding:70px 20px 20px;transition:right .3s;box-shadow:-4px 0 16px rgba(0,0,0,.2);z-index:99}
    .main-nav.open{right:0}
    .main-nav ul{flex-direction:column;gap:4px}
    .main-nav a{display:block;padding:12px 16px}
    .hero-section{padding:40px 0}
    .hero-section h1{font-size:1.8rem}
    .post-grid{grid-template-columns:1fr 1fr}
    .post-card{grid-template-columns:1fr}
    .post-card-image img{min-height:200px}
    .entry-title{font-size:1.5rem}
    .entry-content{font-size:1rem}
}

@media(max-width:480px){
    .post-grid{grid-template-columns:1fr}
    .grid-card-image{height:180px}
    .container{padding:0 15px}
}