/* Lieke Cloud - Enterprise Design System */
:root {
    --primary: #0f2b46;
    --primary-light: #1a4a7a;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #059669;
    --warning: #d97706;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --bg-white: #ffffff;
    --bg-light: #f7fafc;
    --bg-section: #edf2f7;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --max-width: 1200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-white);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
    background: var(--primary);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-logo {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.site-logo span { color: #60a5fa; }

.header-nav { display: flex; gap: 32px; align-items: center; }

.header-nav a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
}

.header-nav a:hover { color: #fff; }

.nav-cta {
    background: var(--accent) !important;
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600 !important;
    transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--accent-hover) !important; }

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 80px 24px;
    text-align: center;
    color: #fff;
}

.hero-inner {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 36px;
    line-height: 1.6;
}

.hero-cta {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 16px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.2s;
    box-shadow: 0 4px 14px rgba(37,99,235,0.4);
}

.hero-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,99,235,0.5);
}

/* Trust Bar */
.trust-bar {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    text-align: center;
}

.trust-bar p {
    font-size: 14px;
    color: var(--text-muted);
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Content */
.content-section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 60px 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Article Cards */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 28px;
}

.article-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.2s;
}

.article-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.article-card .tag {
    display: inline-block;
    background: #eff6ff;
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-card h3 a {
    color: inherit;
    text-decoration: none;
}

.article-card h3 a:hover { color: var(--accent); }

.article-card .excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.article-card .meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

/* Article Page */
.article-page {
    max-width: 780px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.article-page .breadcrumb {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.article-page .breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}

.article-page h1 {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.article-page .article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.article-page .article-body {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-primary);
}

.article-page .article-body h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--text-primary);
}

.article-page .article-body h3 {
    font-size: 21px;
    font-weight: 600;
    margin: 32px 0 12px;
}

.article-page .article-body p { margin-bottom: 20px; }

.article-page .article-body ul,
.article-page .article-body ol {
    margin: 16px 0 20px 24px;
}

.article-page .article-body li { margin-bottom: 8px; }

.article-page .article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
}

.article-page .article-body th {
    background: var(--primary);
    color: #fff;
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
}

.article-page .article-body td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.article-page .article-body tr:nth-child(even) { background: var(--bg-light); }

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    margin: 40px 0;
    color: #fff;
}

.cta-box h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-box p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 24px;
}

.cta-btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 14px 36px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s;
}

.cta-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Info Box */
.info-box {
    background: #eff6ff;
    border-left: 4px solid var(--accent);
    padding: 20px 24px;
    margin: 24px 0;
    border-radius: 0 var(--radius) var(--radius) 0;
}

.info-box p {
    font-size: 15px;
    color: var(--text-primary);
    margin: 0;
}

/* FAQ */
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}

.faq-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--text-primary);
}

.faq-item p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.site-footer {
    background: var(--primary);
    color: rgba(255,255,255,0.7);
    padding: 48px 24px 32px;
    margin-top: 80px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
}

.footer-brand h4 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.6;
}

.footer-links h5 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 10px;
    transition: color 0.2s;
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
    max-width: var(--max-width);
    margin: 32px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero { padding: 48px 24px; }
    .hero h1 { font-size: 28px; }
    .hero p { font-size: 16px; }
    .articles-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .header-nav { gap: 16px; }
    .article-page h1 { font-size: 28px; }
}