:root {
    --primary: #0f172a;    
    --accent: #10b981;     
    --secondary: #6366f1;  
    --bg-main: #f8fafc;
    --white: #ffffff;
    --text-p: #334155;
    --text-h: #1e293b;
    --shadow-soft: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-heavy: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --radius: 20px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-p);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 30px; }

.top-announcement {
    background: var(--accent);
    color: rgba(255, 255, 255, 0.7);
    padding: 12px 0;
    font-size: 0.75rem;
    text-align: center;
}

header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    padding: 25px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.header-flex { display: flex; justify-content: space-between; align-items: center; }

.brand h1 { font-size: 1.7rem; color: var(--primary); font-weight: 800; letter-spacing: -1px; text-decoration: none;}
.brand h1 span { color: var(--accent); font-weight: 300; }
.brand .tagline { font-size: 0.7rem; color: #64748b; text-transform: uppercase; letter-spacing: 2px; display: block; margin-top: 4px;}

nav.main-nav { display: flex; gap: 30px; }
nav.main-nav a { text-decoration: none; color: var(--text-h); font-weight: 600; font-size: 0.9rem; transition: var(--transition); }
nav.main-nav a:hover { color: var(--accent); }

.main-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 50px;
    padding: 60px 0;
}

.post {
    background: var(--white);
    border-radius: var(--radius);
    padding: 50px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-soft);
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.post:hover { transform: translateY(-5px); box-shadow: var(--shadow-heavy); }

.category-tag {
    background: #ecfdf5;
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
}

.post h2 { font-size: 2.3rem; color: var(--primary); margin: 25px 0; line-height: 1.2; letter-spacing: -1px; }
.post img { width: 100%; height: 400px; object-fit: cover; border-radius: 15px; margin-bottom: 30px; }

.post-content p { margin-bottom: 20px; font-size: 1.1rem; text-align: justify; }

.action-group { display: flex; align-items: center; gap: 20px; margin-top: 30px; }

.btn-read {
    background: var(--primary);
    color: white;
    border: none;
    padding: 14px 30px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-read:hover { background: var(--accent); transform: scale(1.05); }

.link-deep { text-decoration: none; color: var(--secondary); font-weight: 700; font-size: 0.95rem; }
.link-deep:hover { text-decoration: underline; }

.sidebar-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 35px;
    margin-bottom: 30px;
    border: 1px solid #e2e8f0;
}

.card-google { border: 2px solid #4285f4; text-align: center; }
.card-google img { margin-bottom: 15px; }
.id-badge { background: #f1f5f9; padding: 10px; border-radius: 8px; font-family: monospace; font-weight: 800; margin: 10px 0; display: block; color: #1e293b; border: 1px solid #e2e8f0;}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 2000;
    justify-content: center; align-items: center;
}

.modal-content {
    background: var(--white);
    width: 90%; max-width: 600px;
    padding: 50px;
    border-radius: 25px;
    position: relative;
}

.close-modal { position: absolute; top: 25px; right: 25px; font-size: 2rem; cursor: pointer; color: #94a3b8; }

footer { background: var(--accent); color: #cbd5e1; padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; }

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-btn {
    display: block;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    transition: 0.3s;
}

.social-btn.li { background: #0077b5; color: #fff; }
.social-btn:hover { opacity: 0.8; transform: scale(1.02); }

@media (max-width: 1024px) { .main-grid { grid-template-columns: 1fr; } }