/* ===== BLOG DESIGN SYSTEM ===== */
:root {
  --color-primary: #059669;
  --color-primary-dark: #047857;
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-text: #1c1c1e;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;

  --cat-nutrition: #059669;
  --cat-wellness: #8b5cf6;
  --cat-lifestyle: #d97706;
  --cat-review: #0ea5e9;
  --cat-guide: #d946ef;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --max-width: 1100px;
  --max-article: 720px;
}

/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}

/* ===== SITE HEADER ===== */
.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}
.header-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.header-logo{font-weight:800;font-size:18px;color:var(--color-primary);letter-spacing:-.5px;display:flex;align-items:center;gap:8px}
.header-logo-mark{width:30px;height:30px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:900;flex-shrink:0}
.header-nav{display:flex;gap:24px;align-items:center}
.header-nav a{font-size:14px;font-weight:500;color:var(--color-text-muted);transition:color .15s}
.header-nav a:hover,.header-nav a.active{color:var(--color-primary)}

/* ===== HERO ===== */
.hero{padding:64px 20px 48px;text-align:center;max-width:640px;margin:0 auto}
.hero-avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),#34d399);margin:0 auto 20px;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;font-weight:700}
.hero h1{font-size:32px;font-weight:900;letter-spacing:-1px;margin-bottom:12px;line-height:1.2}
.hero p{font-size:16px;color:var(--color-text-muted);line-height:1.6;max-width:480px;margin:0 auto}

/* ===== CONTROLS BAR ===== */
.controls-bar{max-width:var(--max-width);margin:0 auto;padding:0 20px 24px;display:flex;flex-direction:column;gap:12px}
@media(min-width:640px){.controls-bar{flex-direction:row;align-items:center;justify-content:space-between}}

/* Category Filter */
.category-filters{display:flex;gap:8px;flex-wrap:wrap}
.cat-pill{padding:6px 16px;border-radius:20px;font-size:12px;font-weight:600;cursor:pointer;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-muted);transition:all .15s;user-select:none}
.cat-pill:hover{border-color:var(--color-primary);color:var(--color-primary)}
.cat-pill.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}

/* Search */
.search-wrap{position:relative}
.search-input{padding:8px 16px 8px 36px;border:1px solid var(--color-border);border-radius:20px;font-size:13px;font-family:inherit;background:var(--color-surface);color:var(--color-text);width:220px;outline:none;transition:border-color .15s}
.search-input:focus{border-color:var(--color-primary)}
.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--color-text-muted);pointer-events:none}
.no-results{text-align:center;padding:40px 20px;color:var(--color-text-muted);font-size:14px;display:none;grid-column:1/-1}

/* ===== ARTICLE GRID ===== */
.article-grid{max-width:var(--max-width);margin:0 auto;padding:0 20px 48px;display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.article-grid{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.article-grid{grid-template-columns:1fr 1fr 1fr}}

/* Card */
.article-card{background:var(--color-surface);border-radius:12px;overflow:hidden;border:1px solid var(--color-border);transition:transform .15s,box-shadow .15s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.article-card-img{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#ecfdf5,#d1fae5)}
.article-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.article-card:hover .article-card-img img{transform:scale(1.03)}
.article-card-body{padding:16px;flex:1;display:flex;flex-direction:column}
.article-card-cat{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.cat-nutrition{color:var(--cat-nutrition)}
.cat-wellness{color:var(--cat-wellness)}
.cat-lifestyle{color:var(--cat-lifestyle)}
.cat-review{color:var(--cat-review)}
.cat-guide{color:var(--cat-guide)}

.article-card h2{font-size:16px;font-weight:700;line-height:1.4;margin-bottom:8px}
.article-card p{font-size:13px;color:var(--color-text-muted);line-height:1.5;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-card-meta{font-size:11px;color:var(--color-text-muted);margin-top:12px;padding-top:12px;border-top:1px solid var(--color-border)}

/* ===== ARTICLE PAGE ===== */
.article-page{max-width:var(--max-article);margin:0 auto;padding:48px 20px 64px}
.breadcrumb{font-size:12px;color:var(--color-text-muted);margin-bottom:20px}
.breadcrumb a{color:var(--color-primary);transition:color .15s}
.breadcrumb a:hover{color:var(--color-primary-dark)}
.article-featured-img{width:100%;border-radius:12px;margin-bottom:32px;aspect-ratio:2/1;object-fit:cover;background:linear-gradient(135deg,#ecfdf5,#d1fae5)}
.article-title{font-size:28px;font-weight:900;letter-spacing:-.5px;line-height:1.25;margin-bottom:12px}
.article-meta{font-size:13px;color:var(--color-text-muted);margin-bottom:24px;display:flex;gap:16px;flex-wrap:wrap}
.article-body{font-size:16px;line-height:1.8;color:var(--color-text)}
.article-body h2{font-size:22px;font-weight:800;margin-top:36px;margin-bottom:12px;letter-spacing:-.3px}
.article-body h3{font-size:18px;font-weight:700;margin-top:28px;margin-bottom:8px}
.article-body p{margin-bottom:16px}
.article-body ul,.article-body ol{margin-bottom:16px;padding-left:24px}
.article-body li{list-style:disc;margin-bottom:6px;line-height:1.7}
.article-body blockquote{border-left:3px solid var(--color-primary);padding-left:20px;margin:24px 0;color:var(--color-text-muted);font-style:italic}
.article-body code{background:#f3f4f6;padding:2px 6px;border-radius:4px;font-size:.9em}
.article-body pre{background:#1c1c1e;color:#f3f4f6;padding:20px;border-radius:10px;overflow-x:auto;margin-bottom:16px;font-size:14px;line-height:1.6}

/* Related Articles */
.related-articles{margin-top:48px;padding-top:32px;border-top:1px solid var(--color-border)}
.related-articles h2{font-size:18px;font-weight:800;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:500px){.related-grid{grid-template-columns:1fr}}
.related-card{background:var(--color-surface);border-radius:10px;overflow:hidden;border:1px solid var(--color-border);transition:transform .15s}
.related-card:hover{transform:translateY(-1px)}
.related-card-body{padding:14px}
.related-card h3{font-size:13px;font-weight:700;line-height:1.4}
.related-card .article-card-meta{font-size:11px;margin-top:8px;padding-top:8px}

/* ===== ABOUT PAGE ===== */
.about-page{max-width:var(--max-article);margin:0 auto;padding:64px 20px}
.about-header{text-align:center;margin-bottom:40px}
.about-avatar{width:96px;height:96px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),#34d399);margin:0 auto 20px;display:flex;align-items:center;justify-content:center;font-size:40px;color:#fff;font-weight:700}
.about-header h1{font-size:28px;font-weight:900;letter-spacing:-.5px;margin-bottom:8px}
.about-header p{color:var(--color-text-muted);font-size:15px}
.about-body{font-size:16px;line-height:1.8}
.about-body h2{font-size:20px;font-weight:800;margin-top:32px;margin-bottom:12px}
.about-body p{margin-bottom:16px}

/* ===== FOOTER ===== */
.site-footer{padding:40px 20px;border-top:1px solid var(--color-border);text-align:center;font-size:12px;color:var(--color-text-muted);line-height:1.8}
.site-footer .footer-brand{font-weight:700;color:var(--color-primary);margin-bottom:8px}
.site-footer-links{display:flex;justify-content:center;gap:20px;margin-top:12px;flex-wrap:wrap}
.site-footer-links a{color:var(--color-text-muted);text-decoration:underline;transition:color .15s}
.site-footer-links a:hover{color:var(--color-primary)}

/* ===== HIDDEN UTILITY ===== */
.hidden{display:none!important}