/* =====================================================
   NEWS SITE - Уникальный стиль для новостного портала
   Отличия от biznes: газетный стиль, темная шапка,
   акцент на типографику и читаемость
   ===================================================== */

:root {
    /* Цветовая схема - темно-синяя с акцентами */
    --color-primary: #1a365d;
    --color-secondary: #2c5282;
    --color-accent: #ed8936;
    --color-accent-hover: #dd6b20;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-bg: #f7fafc;
    --color-white: #ffffff;
    --color-border: #e2e8f0;

    /* Категории */
    --color-economy: #3182ce;
    --color-tech: #38a169;
    --color-finance: #805ad5;

    /* Типографика */
    --font-heading: 'Merriweather', Georgia, serif;
    --font-body: 'Open Sans', -apple-system, sans-serif;

    /* Размеры */
    --container-width: 1200px;
    --spacing-unit: 1rem;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

/* =====================================================
   HEADER - Темная шапка (отличие от biznes)
   ===================================================== */
.site-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-white);
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--color-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.main-nav {
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* =====================================================
   MAIN CONTENT
   ===================================================== */
.main-content {
    padding: 2rem 0;
}

/* Featured News - Газетный стиль */
.featured-news {
    margin-bottom: 3rem;
}

.news-card.featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.news-image {
    position: relative;
    min-height: 300px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.placeholder-image {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.3);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.news-card.featured .news-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-category {
    display: inline-block;
    background: var(--color-economy);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.news-category.tech { background: var(--color-tech); }
.news-category.finance { background: var(--color-finance); }

.news-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.news-excerpt {
    color: var(--color-text-light);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.news-meta {
    display: flex;
    gap: 1rem;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.news-meta time {
    font-weight: 600;
}

.reading-time::before {
    content: "•";
    margin-right: 1rem;
}

/* News Grid */
.news-grid {
    margin-bottom: 3rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--color-accent);
    display: inline-block;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.news-card {
    background: var(--color-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.news-category.business { background: #e53e3e; }
.news-category.economy { background: var(--color-economy); }

.loading { text-align: center; padding: 2rem; color: var(--color-text-light); }
.no-news { text-align: center; padding: 2rem; color: var(--color-text-light); grid-column: 1 / -1; }

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.news-image.small {
    min-height: 160px;
}

.grid .news-content {
    padding: 1.25rem;
}

.grid .news-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.grid .news-excerpt {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.grid time {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* =====================================================
   SIDEBAR / WIDGETS
   ===================================================== */
.sidebar-section {
    background: var(--color-white);
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.widget {
    padding: 1.5rem;
    background: var(--color-bg);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
}

.widget-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.widget p {
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.rss-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.rss-link:hover {
    color: var(--color-accent-hover);
}

.widget code {
    display: block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 2rem 0;
    text-align: center;
}

.footer-content p {
    margin-bottom: 0.5rem;
}

.footer-note {
    opacity: 0.7;
    font-size: 0.875rem;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    .news-card.featured {
        grid-template-columns: 1fr;
    }

    .news-image {
        min-height: 200px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .main-nav {
        gap: 1rem;
        font-size: 0.85rem;
    }

    .news-title {
        font-size: 1.5rem;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }
}