/* ================================================
   MyKeeperCoach — Blog Stylesheet
   Inherits design system and adds reading typography
   ================================================ */

:root {
    --bg-primary: #0B1426;
    --bg-card: rgba(17, 29, 51, 0.75);
    --accent: #00E676;
    --accent-dim: rgba(0, 230, 118, 0.12);
    --accent-glow: rgba(0, 230, 118, 0.2);
    --accent-blue: #448AFF;
    --text-primary: #FFFFFF;
    --text-secondary: #B0BEC5;
    --text-muted: #546E7A;
    --border: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(0, 230, 118, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

.accent { color: var(--accent); }
.logo-my { color: var(--accent); }
.logo-keeper { color: #ffffff; }
.logo-coach { color: var(--accent); }

/* Navigation */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 20, 38, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover { color: var(--text-primary); }

.btn {
    display: inline-block;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-btn {
    background: var(--accent);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 30px rgba(0, 230, 118, 0.35);
}

/* Blog Header */
.blog-header {
    text-align: center;
    padding: 60px 0 40px;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 230, 118, 0.06) 0%, transparent 60%);
}

.blog-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
    line-height: 1.2;
}

.blog-header p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Blog List Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    padding: 40px 0 80px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.blog-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-accent);
}

.blog-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.blog-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.blog-card h3 a {
    color: #FFFFFF;
    text-decoration: none;
    transition: color 0.15s;
}

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

.blog-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    flex-grow: 1;
}

.post-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Single Post Area */
.post-layout {
    padding: 60px 0 80px;
}

.post-title-section {
    text-align: center;
    margin-bottom: 40px;
}

.post-title-section h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.post-title-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.post-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.post-content p {
    margin-bottom: 24px;
}

.post-content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #FFFFFF;
    margin: 40px 0 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.post-content h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 28px 0 12px;
}

.post-content ul, .post-content ol {
    margin-bottom: 24px;
    padding-left: 20px;
}

.post-content li {
    margin-bottom: 8px;
}

/* Sidebar / Inline CTA */
.inline-cta {
    background: var(--bg-card);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: 30px;
    margin: 40px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.inline-cta-text h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.inline-cta-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.inline-cta .btn {
    flex-shrink: 0;
    padding: 12px 24px;
}

/* Footer */
.site-footer {
    background: rgba(11, 20, 38, 0.8);
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 8px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 16px 0;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

@media (max-width: 768px) {
    .nav-inner { padding: 0 16px; }
    .hide-mobile { display: none; }
    .nav-links { gap: 12px; }
    .nav-link { font-size: 0.82rem; }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.15rem;
    }
    .nav-links {
        gap: 8px;
    }
    .nav-link {
        font-size: 0.78rem;
    }
}

@media (max-width: 360px) {
    .nav-inner {
        padding: 0 12px;
    }
    .nav-links {
        gap: 6px;
    }
    .logo {
        font-size: 1.1rem;
    }
    .nav-links .nav-link:not(.login-link) {
        display: none;
    }
}