/* =========================================
   LiteCMS — Frontend Stylesheet
   Mobile-first, lightweight, semantic
   ========================================= */

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 0.5rem;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --transition: 0.2s ease;
    --container: 1200px;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }

/* Container */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }
.container-narrow { max-width: 800px; }

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; color: var(--color-text); }
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }

/* ── Header ──────────────────────────── */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 1rem; }
.site-logo { display: flex; align-items: center; gap: 0.5rem; }
.site-logo img { height: 36px; width: auto; }
.logo-text { font-size: 1.25rem; font-weight: 800; color: var(--color-text); letter-spacing: -0.02em; }
.site-nav { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
    padding: 0.5rem 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius);
    transition: all var(--transition);
}
.nav-link:hover { color: var(--color-text); background: var(--color-bg-alt); }
.nav-search input {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 2rem;
    font-size: 0.85rem;
    width: 160px;
    transition: width var(--transition);
    background: var(--color-bg-alt);
}
.nav-search input:focus { width: 220px; outline: 2px solid var(--color-primary); border-color: transparent; }

/* Mobile toggle */
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); margin: 5px 0; transition: var(--transition); }

@media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .site-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }
    .site-nav.open { display: flex; }
    .nav-link { width: 100%; padding: 0.75rem 1rem; }
    .nav-search { width: 100%; }
    .nav-search input { width: 100%; }
}

/* ── Hero ─────────────────────────────── */
.hero {
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
    color: #fff;
    padding: 5rem 1.25rem;
    text-align: center;
}
.hero h1 { color: #fff; font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }
.hero-sub { font-size: clamp(1rem, 2vw, 1.35rem); opacity: 0.9; max-width: 600px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Buttons ──────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    gap: 0.5rem;
    white-space: nowrap;
}
.btn:hover { background: var(--color-bg-alt); }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.1); color: #fff; }
.btn-danger { color: var(--color-danger); border-color: var(--color-danger); }
.btn-danger:hover { background: var(--color-danger); color: #fff; }
.btn-lg { padding: 0.75rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.8rem; }
.btn-full { width: 100%; }

/* ── Sections ─────────────────────────── */
.section { padding: 4rem 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title { text-align: center; margin-bottom: 2.5rem; }
.page-header { background: var(--color-bg-alt); padding: 2.5rem 0; border-bottom: 1px solid var(--color-border); }
.page-desc { color: var(--color-text-muted); margin-top: 0.5rem; }

/* ── Grid ─────────────────────────────── */
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* ── Cards ────────────────────────────── */
.card-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}
.card-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card-img { width: 100%; height: 200px; object-fit: cover; }
.card-content { padding: 1.25rem; }
.card-content h2, .card-content h3 { margin-bottom: 0.5rem; }
.card-content h2 a, .card-content h3 a { color: var(--color-text); }
.card-content h2 a:hover, .card-content h3 a:hover { color: var(--color-primary); }
.card-content p { color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.6; }
.card-date { font-size: 0.8rem; color: var(--color-text-muted); display: block; margin-bottom: 0.35rem; }
.read-more { font-size: 0.85rem; font-weight: 600; display: inline-block; margin-top: 0.75rem; }
.price { font-size: 1.15rem; font-weight: 700; color: var(--color-primary); display: block; margin: 0.25rem 0; }

/* ── Single Content ───────────────────── */
.single-content { padding: 3rem 0; }
.single-header { margin-bottom: 2rem; }
.single-header h1 { margin-bottom: 0.75rem; }
.single-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; color: var(--color-text-muted); font-size: 0.9rem; }
.single-image { margin-bottom: 2rem; border-radius: var(--radius); overflow: hidden; }
.single-image img { width: 100%; }
.single-tags { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag { background: var(--color-primary-light); color: var(--color-primary-dark); padding: 0.3rem 0.75rem; border-radius: 2rem; font-size: 0.8rem; font-weight: 500; }

/* Prose */
.prose { line-height: 1.8; }
.prose h2 { margin: 2rem 0 1rem; font-size: 1.5rem; }
.prose h3 { margin: 1.5rem 0 0.75rem; }
.prose p { margin-bottom: 1.25rem; }
.prose ul, .prose ol { margin: 1rem 0; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.5rem; }
.prose img { border-radius: var(--radius); margin: 1.5rem 0; }
.prose blockquote { border-left: 3px solid var(--color-primary); padding-left: 1rem; margin: 1.5rem 0; color: var(--color-text-muted); font-style: italic; }
.prose a { text-decoration: underline; }

/* Product layout */
.product-layout { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (min-width: 768px) { .product-layout { grid-template-columns: 1fr 1fr; } }
.product-image img { border-radius: var(--radius); }
.product-price { font-size: 1.75rem; font-weight: 800; color: var(--color-primary); margin: 1rem 0; }
.product-excerpt { color: var(--color-text-muted); font-size: 1.05rem; }

/* ── Breadcrumbs ──────────────────────── */
.breadcrumbs { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem; margin-bottom: 1.5rem; font-size: 0.85rem; }
.breadcrumbs li::after { content: '/'; margin-left: 0.5rem; color: var(--color-text-muted); }
.breadcrumbs li:last-child::after { content: ''; }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-primary); }

/* ── Pagination ───────────────────────── */
.pagination { display: flex; justify-content: center; gap: 0.35rem; margin-top: 3rem; flex-wrap: wrap; }
.pagination a {
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
}
.pagination a:hover { background: var(--color-bg-alt); }
.pagination a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ── Badge ────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 2rem;
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
}
.badge-post { background: #dbeafe; color: #1d4ed8; }
.badge-product { background: #fce7f3; color: #be185d; }
.badge-service { background: #d1fae5; color: #047857; }
.badge-page { background: #e0e7ff; color: #3730a3; }
.badge-published { background: #d1fae5; color: #047857; }
.badge-draft { background: #fef3c7; color: #92400e; }

/* ── Search ───────────────────────────── */
.search-form-lg { display: flex; gap: 0.75rem; max-width: 500px; margin: 1.5rem 0; }
.search-form-lg input {
    flex: 1;
    padding: 0.65rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
}
.search-form-lg input:focus { outline: 2px solid var(--color-primary); border-color: transparent; }
.search-results { display: flex; flex-direction: column; gap: 1.5rem; }
.search-result { padding: 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius); }
.search-result h2 { font-size: 1.15rem; margin: 0.5rem 0 0.25rem; }
.search-result p { color: var(--color-text-muted); font-size: 0.9rem; }

/* ── Footer ───────────────────────────── */
.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ── Utilities ────────────────────────── */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-2 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }