/* ============================================
   GREENBRIER HEALTH - STYLESHEET
   ============================================ */

:root {
    --color-bg: #FAFAF7;
    --color-surface: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-muted: #5C5C5C;
    --color-primary: #2D6A4F;
    --color-primary-dark: #1B4332;
    --color-primary-light: #B7E4C7;
    --color-accent: #D4A03C;
    --color-accent-light: #FFF3D6;
    --color-border: #E5E5E0;
    --color-review-bg: #F4F7F5;
    --font-heading: 'Source Serif 4', Georgia, serif;
    --font-body: 'Manrope', system-ui, sans-serif;
    --radius: 10px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
    --max-width: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary-dark); }

img { max-width: 100%; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* HEADER */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.95);
}
.site-header .container {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px;
}
.logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-heading); font-size: 1.35rem; font-weight: 700; color: var(--color-text); }
.logo-icon { font-size: 1.6rem; color: var(--color-primary); }
.logo-accent { color: var(--color-primary); }
.main-nav ul { display: flex; gap: 28px; list-style: none; }
.main-nav a { font-size: 0.9rem; font-weight: 500; color: var(--color-text-muted); letter-spacing: 0.01em; }
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-text); }

/* HERO */
.hero {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #40916C 100%);
    color: #fff;
    padding: 80px 0 90px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; z-index: 1; max-width: 680px; }
.hero-tag {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 20px;
}
.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 18px;
}
.hero h1 em { font-style: italic; color: var(--color-primary-light); }
.hero-desc { font-size: 1.1rem; line-height: 1.7; opacity: 0.9; margin-bottom: 32px; max-width: 560px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 13px 28px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    border: 2px solid transparent;
}
.btn-primary { background: var(--color-accent); color: #1A1A1A; border-color: var(--color-accent); }
.btn-primary:hover { background: #c4912e; color: #1A1A1A; border-color: #c4912e; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }

/* SECTIONS */
.section { padding: 72px 0; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 36px; flex-wrap: wrap; gap: 12px; }
.section-header h2 { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 700; }
.view-all { font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }

/* ARTICLE CARDS */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}
.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-featured { grid-column: span 2; }
.card-featured .card-img { min-height: 280px; }
.card-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.card-badge {
    position: absolute;
    top: 14px; left: 14px;
    background: var(--color-primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}
.card-body { padding: 22px; }
.card-meta { display: flex; gap: 12px; font-size: 0.78rem; color: var(--color-text-muted); margin-bottom: 10px; }
.card-body h3 { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 600; line-height: 1.35; margin-bottom: 10px; }
.card-body h3 a { color: var(--color-text); }
.card-body h3 a:hover { color: var(--color-primary); }
.card-body p { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 14px; }
.read-more { font-size: 0.85rem; font-weight: 600; color: var(--color-primary); }

/* REVIEW CARDS */
.reviews-section { background: var(--color-review-bg); }
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}
.review-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform .25s, box-shadow .25s;
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.review-img { height: 160px; background-size: cover; background-position: center; }
.review-body { padding: 20px; }
.review-category {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.review-body h3 { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.review-body h3 a { color: var(--color-text); }
.review-body h3 a:hover { color: var(--color-primary); }
.review-rating { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.stars { color: var(--color-accent); font-size: 1rem; letter-spacing: 1px; }
.review-rating span { font-size: 0.85rem; font-weight: 600; color: var(--color-text-muted); }
.review-body p { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 12px; }

/* CATEGORIES GRID */
.categories-section h2 { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 700; margin-bottom: 32px; text-align: center; }
.cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 18px;
}
.cat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: border-color .2s, box-shadow .2s, transform .2s;
}
.cat-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.cat-icon { font-size: 2rem; display: block; margin-bottom: 10px; }
.cat-card h3 { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600; color: var(--color-text); margin-bottom: 4px; }
.cat-card p { font-size: 0.8rem; color: var(--color-text-muted); }

/* NEWSLETTER */
.newsletter { padding: 56px 0; }
.newsletter-box {
    background: var(--color-primary-dark);
    color: #fff;
    padding: 56px 48px;
    border-radius: 16px;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}
.newsletter-box h2 { font-family: var(--font-heading); font-size: 1.7rem; margin-bottom: 10px; }
.newsletter-box p { opacity: 0.85; margin-bottom: 24px; font-size: 0.95rem; }
.newsletter-form { display: flex; gap: 10px; max-width: 440px; margin: 0 auto 12px; }
.newsletter-form input {
    flex: 1;
    padding: 12px 18px;
    border-radius: 8px;
    border: none;
    font-size: 0.9rem;
    font-family: var(--font-body);
}
.newsletter-form .btn-primary { padding: 12px 24px; }
.newsletter-box small { font-size: 0.75rem; opacity: 0.6; }

/* FOOTER */
.site-footer {
    background: #111;
    color: #bbb;
    padding: 56px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-col .logo { margin-bottom: 14px; }
.footer-col .logo .logo-text { color: #fff; }
.footer-col p { font-size: 0.85rem; line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: #999; font-size: 0.85rem; }
.footer-col a:hover { color: var(--color-primary-light); }
.footer-bottom {
    border-top: 1px solid #222;
    padding-top: 24px;
    text-align: center;
}
.disclaimer { font-size: 0.75rem; color: #777; max-width: 800px; margin: 0 auto 12px; line-height: 1.7; }
.copyright { font-size: 0.8rem; color: #555; }

/* ===== BLOG POST PAGE ===== */
.breadcrumb {
    padding: 16px 0;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb span { margin: 0 6px; opacity: 0.5; }

.post-header {
    padding: 40px 0 32px;
    max-width: 780px;
}
.post-header .card-badge { display: inline-block; margin-bottom: 16px; }
.post-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 18px;
}
.post-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.post-meta .author-img {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: var(--color-primary-light);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: 0.9rem;
}
.post-hero-img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--radius);
    margin-bottom: 36px;
}

.post-content {
    max-width: 780px;
    margin: 0 auto;
    padding-bottom: 60px;
}
.post-content h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--color-text);
}
.post-content h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 28px 0 12px;
}
.post-content p { margin-bottom: 18px; font-size: 1.02rem; line-height: 1.8; }
.post-content ul, .post-content ol { margin: 0 0 20px 24px; }
.post-content li { margin-bottom: 8px; line-height: 1.7; }
.post-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding: 16px 24px;
    background: var(--color-review-bg);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 24px 0;
    font-style: italic;
    color: var(--color-text-muted);
}
.post-content .callout {
    background: var(--color-accent-light);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin: 24px 0;
    font-size: 0.95rem;
}
.post-content .ref-tag {
    font-size: 0.72rem;
    vertical-align: super;
    color: var(--color-primary);
    font-weight: 600;
}
.toc {
    background: var(--color-review-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px 28px;
    margin-bottom: 36px;
}
.toc h4 { font-family: var(--font-heading); margin-bottom: 12px; font-size: 1rem; }
.toc ul { list-style: none; margin: 0; }
.toc li { margin-bottom: 6px; }
.toc a { font-size: 0.9rem; color: var(--color-primary); }

.post-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--color-border); }
.post-tags a {
    background: var(--color-review-bg);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}
.post-tags a:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }

.author-box {
    display: flex;
    gap: 20px;
    background: var(--color-review-bg);
    border-radius: var(--radius);
    padding: 28px;
    margin: 40px 0;
}
.author-box .author-avatar {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: var(--color-primary-light);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: 1.4rem;
    flex-shrink: 0;
}
.author-box h4 { font-family: var(--font-heading); margin-bottom: 4px; }
.author-box p { font-size: 0.88rem; color: var(--color-text-muted); }

/* REVIEW POST SPECIFIC */
.review-verdict {
    background: var(--color-primary-dark);
    color: #fff;
    border-radius: var(--radius);
    padding: 32px;
    margin: 32px 0;
}
.review-verdict h3 { font-family: var(--font-heading); margin-bottom: 12px; font-size: 1.3rem; }
.verdict-score {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-heading);
}
.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
}
.pros, .cons {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--color-border);
}
.pros h4 { color: var(--color-primary); margin-bottom: 12px; }
.cons h4 { color: #C0392B; margin-bottom: 12px; }
.pros li, .cons li { font-size: 0.9rem; margin-bottom: 6px; }

/* SIDEBAR (for blog list pages) */
.blog-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: start;
}
.sidebar {
    position: sticky;
    top: 88px;
}
.sidebar-widget {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}
.sidebar-widget h4 { font-family: var(--font-heading); font-size: 1rem; margin-bottom: 16px; }
.sidebar-widget ul { list-style: none; }
.sidebar-widget li { margin-bottom: 10px; }
.sidebar-widget a { font-size: 0.88rem; color: var(--color-text-muted); }
.sidebar-widget a:hover { color: var(--color-primary); }

/* PAGINATION */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* RESPONSIVE */
@media (max-width: 900px) {
    .card-featured { grid-column: span 1; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .blog-layout { grid-template-columns: 1fr; }
    .pros-cons { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .main-nav ul { display: none; }
    .main-nav ul.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--color-surface); padding: 20px 24px; border-bottom: 1px solid var(--color-border); gap: 14px; box-shadow: var(--shadow-md); }
    .nav-toggle { display: block; }
    .hero { padding: 48px 0 56px; }
    .newsletter-box { padding: 36px 24px; }
    .newsletter-form { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .section { padding: 48px 0; }
    .cat-grid { grid-template-columns: 1fr 1fr; }
    .author-box { flex-direction: column; }
}