/*
Theme Name: Zenith
Description: O temă modernă și minimalistă pentru jurnalism în 2027. Designată pentru performanță și eleganță.
Author: Claude Code
Version: 1.0.0
License: GPL v2 or later
Text Domain: zenith
*/

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

:root {
    /* Colors */
    --primary-color: #1a1a1a;
    --secondary-color: #f5f5f5;
    --accent-color: #007acc;
    --text-color: #333;
    --text-light: #666;
    --border-color: #e1e1e1;
    --white: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-color);
}

/* ==========================================================================
   Layout Components
   ========================================================================== */

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

.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.main-navigation a {
    color: var(--text-color);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.main-navigation a:hover {
    color: var(--accent-color);
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.main-navigation a:hover::after {
    width: 100%;
}

.site-main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

.site-footer {
    background: var(--secondary-color);
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ==========================================================================
   Content Styles
   ========================================================================== */

.content-area {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xl);
}

.post-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.article-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    background: var(--white);
}

.article-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.article-thumbnail {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-thumbnail img {
    transform: scale(1.05);
}

.article-content {
    padding: var(--spacing-md);
}

.article-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.article-title a {
    color: var(--primary-color);
    text-decoration: none;
}

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

.article-meta {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-sm);
}

.article-excerpt {
    color: var(--text-light);
    line-height: 1.6;
}

.sidebar {
    background: var(--secondary-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    height: fit-content;
    position: sticky;
    top: calc(var(--spacing-xl) + 80px);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }
    
    .header-inner {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .main-navigation ul {
        gap: var(--spacing-md);
    }
    
    .content-area {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .article-content {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .main-navigation ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .article-title {
        font-size: 1.1rem;
    }
}