/* ==========================================================================
   Arlina Clone — Main Stylesheet
   Semantic, no framework, mobile-first, CSS custom properties for theming
   ========================================================================== */

:root{
  --color-bg:#f5f6f8;
  --color-surface:#ffffff;
  --color-text:#1a1a1a;
  --color-muted:#8a8f98;
  --color-border:#e7e2d2;
  --color-accent:#294db4;
  --color-accent-dark:#1f3a8c;
  --color-chip:#f9f4da;
  --radius-md:8px;
  --radius-lg:14px;
  --radius-pill:999px;
  --max-width:1180px;
  --header-h:64px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.dark-mode{
  --color-bg:#152e4d;
  --color-surface:#12263f;
  --color-text:#f1f3f6;
  --color-muted:#9aa6b8;
  --color-border:rgba(255,255,255,.08);
  --color-chip:#0f2035;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--color-bg);
  color:var(--color-text);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:600}
.container{max-width:var(--max-width);margin:0 auto;padding:0 16px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--color-accent);color:#fff;padding:10px 16px;z-index:9999}
.skip-link:focus{left:16px;top:16px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--color-border);
}
body.dark-mode .site-header{background:rgba(18,38,63,.9)}
.site-header__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);max-width:var(--max-width);margin:0 auto;padding:0 16px;
}
.site-logo img{max-height:34px;width:auto}
.site-logo{font-weight:700;font-size:1.15rem}
.primary-nav{display:none}
.primary-nav ul{display:flex;align-items:center;gap:4px}
.primary-nav > ul > li{position:relative}
.primary-nav > ul > li > a{
  display:inline-block;padding:10px 12px;font-size:.85rem;font-weight:600;letter-spacing:.02em;
  border-bottom:2px solid transparent;
}
.primary-nav > ul > li:hover > a,
.primary-nav > ul > li.current-menu-item > a{color:var(--color-accent);border-color:var(--color-accent)}
.primary-nav .sub-menu{
  display:none;position:absolute;top:100%;left:0;min-width:190px;
  background:var(--color-surface);border-radius:var(--radius-md);
  box-shadow:0 10px 30px rgba(0,0,0,.12);padding:6px;
}
.primary-nav li:hover > .sub-menu{display:block}
.primary-nav .sub-menu a{display:block;padding:9px 12px;border-radius:6px;font-size:.85rem}
.primary-nav .sub-menu a:hover{background:var(--color-chip)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--radius-md);background:transparent;border:0;cursor:pointer;color:var(--color-text);
}
.icon-btn:hover{background:var(--color-chip)}
.mobile-nav-toggle{display:inline-flex}
@media (min-width:1024px){
  .primary-nav{display:block}
  .mobile-nav-toggle{display:none}
}

/* Mobile nav drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:60;background:var(--color-bg);
  transform:translateX(-100%);transition:transform .25s ease;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer__header{display:flex;justify-content:flex-end;padding:14px}
.mobile-drawer ul{padding:0 16px 24px}
.mobile-drawer a{display:block;padding:12px 4px;border-bottom:1px solid var(--color-border);font-weight:600}

/* Search overlay */
.search-overlay{display:none;background:var(--color-surface);border-bottom:1px solid var(--color-border)}
.search-overlay.is-open{display:block}
.search-overlay form{max-width:var(--max-width);margin:0 auto;padding:14px 16px;display:flex;gap:8px}
.search-overlay input[type=search]{flex:1;border:1px solid var(--color-border);border-radius:var(--radius-pill);padding:10px 16px;background:var(--color-bg);color:var(--color-text)}

/* ---------- Breadcrumb ---------- */
.breadcrumbs{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);
  padding:12px 16px;font-size:.82rem;color:var(--color-muted);margin:20px 0;display:flex;flex-wrap:wrap;gap:6px;align-items:center;
}
.breadcrumbs a{font-weight:600;color:var(--color-text)}
.breadcrumbs a:hover{color:var(--color-accent)}
.breadcrumbs .sep{opacity:.5}

/* ---------- Layout ---------- */
.content-wrap{display:grid;grid-template-columns:1fr;gap:24px;padding-bottom:40px}
@media (min-width:1024px){
  .content-wrap{grid-template-columns:minmax(0,1fr) 320px}
}

/* ---------- Featured post ---------- */
.featured-post{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--color-surface);border:1px solid var(--color-border);margin-bottom:24px;
}
.featured-post__thumb{position:relative;aspect-ratio:16/8.5;background:var(--color-chip);overflow:hidden}
.featured-post__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.featured-post:hover .featured-post__thumb img{transform:scale(1.04)}
.featured-post__badge{
  position:absolute;bottom:-14px;left:0;background:var(--color-surface);
  border:1px solid var(--color-border);border-left:0;border-radius:0 22px 22px 0;
  padding:6px 16px 6px 10px;font-size:.78rem;font-weight:600;display:flex;align-items:center;gap:6px;
}
.featured-post__body{padding:28px 20px 22px}
.featured-post__body h2{font-size:1.35rem}
.featured-post__body p{color:var(--color-muted);font-size:.92rem;margin:0 0 16px}
.btn-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--color-chip);
  padding:9px 18px;border-radius:var(--radius-pill);font-weight:600;font-size:.85rem;transition:.2s;
}
.btn-pill:hover{background:var(--color-accent);color:#fff}

/* ---------- Post grid / cards ---------- */
.post-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.post-grid{grid-template-columns:1fr 1fr}}
.post-card{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s;
}
.post-card:hover{box-shadow:0 12px 28px rgba(0,0,0,.08)}
.post-card__thumb{position:relative;aspect-ratio:16/10;background:var(--color-chip)}
.post-card__thumb img{width:100%;height:100%;object-fit:cover}
.post-card__label{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.9);color:var(--color-text);
  font-size:.7rem;font-weight:700;padding:4px 10px;border-radius:var(--radius-pill);
}
.post-card__body{padding:16px}
.post-card__body h3{font-size:1rem;margin-bottom:8px}
.post-card__body h3 a:hover{color:var(--color-accent)}
.post-card__excerpt{font-size:.85rem;color:var(--color-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.post-card__meta{display:flex;align-items:center;gap:6px;font-size:.78rem;color:var(--color-muted)}
.post-card__meta img{width:18px;height:18px;border-radius:50%}

/* ---------- Pagination ---------- */
.pagination-bar{
  display:flex;justify-content:space-between;align-items:center;background:var(--color-surface);
  border:1px solid var(--color-border);border-radius:var(--radius-md);padding:14px 18px;margin-top:8px;
}
.pagination-bar a,.pagination-bar span{
  display:inline-flex;align-items:center;gap:6px;background:var(--color-accent);color:#fff;
  padding:8px 18px;border-radius:var(--radius-pill);font-size:.85rem;font-weight:600;
}
.pagination-bar .home-btn{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}

/* ---------- Sidebar ---------- */
.sidebar .widget{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);
  padding:16px;margin-bottom:20px;
}
.sidebar .widget-title{font-size:.95rem;margin-bottom:14px;font-weight:700}
.ad-slot{border-radius:var(--radius-md);overflow:hidden;text-align:center;background:var(--color-chip)}
.ad-slot img{width:100%}

.trending-list li{display:flex;gap:12px;align-items:center;padding:8px 0;border-bottom:1px dotted var(--color-border)}
.trending-list li:last-child{border-bottom:0}
.trending-list__thumb{width:64px;height:44px;border-radius:6px;overflow:hidden;background:var(--color-chip);flex:none}
.trending-list__thumb img{width:100%;height:100%;object-fit:cover}
.trending-list a{font-size:.85rem;font-weight:600;line-height:1.35}
.trending-list a:hover{color:var(--color-accent)}

.social-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.social-grid a{
  display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:var(--radius-md);
  background:var(--color-chip);font-size:.8rem;font-weight:600;
}
.social-grid a:hover{background:var(--color-accent);color:#fff}

.partner-grid{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.partner-grid a{
  background:var(--color-chip);padding:8px 20px;border-radius:var(--radius-md);font-size:.82rem;font-weight:600;
}
.partner-grid a:hover{background:var(--color-accent);color:#fff}

.label-cloud{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.label-cloud a{font-size:.82rem;font-weight:600;display:flex;align-items:center;gap:6px}
.label-cloud a:hover{color:var(--color-accent)}

/* ---------- Single post ---------- */
.single-post{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px}
.single-post__title{font-size:1.5rem;padding-bottom:18px;margin-bottom:20px;border-bottom:1px solid var(--color-border)}
.single-post__cover{position:relative;border-radius:var(--radius-md);overflow:hidden;margin-bottom:34px}
.single-post__cover img{width:100%;max-height:460px;object-fit:cover}
.author-card{
  position:absolute;bottom:-22px;left:24px;display:flex;align-items:center;gap:10px;
  background:var(--color-surface);padding:4px 14px 4px 4px;border-radius:var(--radius-pill);
  box-shadow:0 4px 12px rgba(0,0,0,.12);font-size:.82rem;font-weight:600;
}
.author-card img{width:44px;height:44px;border-radius:50%;border:3px solid var(--color-surface)}
.post-date-chip{
  position:absolute;top:16px;left:16px;background:var(--color-surface);padding:6px 14px;
  border-radius:var(--radius-pill);font-size:.78rem;font-weight:600;
}
.entry-content{font-size:1rem;line-height:1.8}
.entry-content h2,.entry-content h3,.entry-content h4{margin-top:1.6em}
.entry-content p{margin:0 0 1.1em}
.entry-content img{border-radius:var(--radius-md);margin:1em 0}
.entry-content a{color:var(--color-text);background-image:linear-gradient(currentColor,currentColor);background-size:100% 1px;background-repeat:no-repeat;background-position:0 1.35em}
.entry-content a:hover{color:var(--color-accent)}
.entry-content blockquote{background:#ffeaa7;color:#111;border-radius:var(--radius-md);padding:18px 20px;border:3px solid rgba(0,0,0,.08);margin:1.4em 0}
.entry-content ul{list-style:disc;margin:1em 0 1em 1.4em}
.entry-content ol{list-style:decimal;margin:1em 0 1em 1.4em}

/* related posts */
.related-posts{border-top:2px solid var(--color-accent);padding-top:20px;margin-top:20px}
.related-posts__title{
  display:inline-block;border:2px solid var(--color-accent);color:var(--color-accent);
  padding:4px 20px;border-radius:var(--radius-md);font-weight:700;font-size:.85rem;margin-bottom:16px;
}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-grid .post-card__thumb{aspect-ratio:16/11}

/* comments */
.comments-area{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px}
.comment-list{list-style:none;margin:0;padding:0}
.comment-list li{padding:16px 0;border-bottom:1px solid var(--color-border)}
.comment-form input,.comment-form textarea{
  width:100%;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:10px 14px;
  background:var(--color-bg);color:var(--color-text);margin-bottom:12px;font-family:inherit;
}
.comment-form button{background:var(--color-accent);color:#fff;border:0;padding:11px 24px;border-radius:var(--radius-pill);font-weight:700;cursor:pointer}

/* ---------- Footer ---------- */
.site-footer{margin-top:40px;padding:40px 0;text-align:center;border-top:1px solid var(--color-border)}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:18px}
.footer-nav a{background:var(--color-chip);padding:10px 20px;border-radius:var(--radius-pill);font-weight:600;font-size:.85rem}
.footer-nav a:hover{background:var(--color-accent);color:#fff}
.site-footer__credit{font-size:.82rem;color:var(--color-muted)}

/* ---------- Utilities ---------- */
.back-to-top{
  position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;
  background:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:.25s;z-index:40;border:0;cursor:pointer;
}
.back-to-top.is-visible{opacity:1;pointer-events:auto}

.skeleton{background:linear-gradient(90deg,var(--color-chip) 25%,var(--color-border) 37%,var(--color-chip) 63%);background-size:400% 100%;animation:skeleton-loading 1.4s ease infinite}
@keyframes skeleton-loading{0%{background-position:100% 50%}100%{background-position:0 50%}}

img.lazyload{opacity:0}
img.lazyloaded{opacity:1;transition:opacity .3s ease}