/* ============================================
   800m Athletics Blog - Modern Design v2.0
   Design sportiv și modern pentru blogul de atletism
   Culori: Portocaliu (#FF6B35) - energie, sport
           Albastru (#004E89) - profesionalism
           Verde (#00A896) - sănătate, natură
           Gri (#F7F9FC) - fundal
============================================ */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #FF6B35;    /* Portocaliu energic */
    --primary-dark: #E55A2B;
    --secondary: #004E89;  /* Albastru profesional */
    --accent: #00A896;     /* Verde sănătate */
    --light: #F7F9FC;      /* Fundal gri deschis */
    --dark: #2D3748;       /* Text întunecat */
    --gray: #718096;       /* Text gri */
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background-color: var(--light);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== HEADER MODERN ========== */
.site-header {
    background: linear-gradient(135deg, var(--secondary) 0%, #0066A6 100%);
    color: var(--white);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 78, 137, 0.15);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 1.8rem;
    font-weight: 800;
}

.logo-sub {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 400;
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.95;
    margin-top: 4px;
    font-weight: 300;
}

/* Navigation Modern */
.main-nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.nav-link.active {
    background-color: var(--primary);
    color: var(--white);
}

.nav-icon {
    font-size: 1.2rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}

/* ========== HERO SECTION ========== */
.hero {
    background: linear-gradient(rgba(0, 78, 137, 0.9), rgba(0, 78, 137, 0.7)), 
                url('https://images.unsplash.com/photo-1552674605-db6ffd8facb5?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    border-radius: 0 0 var(--radius) var(--radius);
    margin-bottom: 60px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* ========== FEATURED ARTICLES ========== */
.featured-section {
    margin-bottom: 80px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.section-subtitle {
    color: var(--gray);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Articles Grid Modern */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.article-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.article-image {
    height: 200px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    position: relative;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.article-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 0.9rem;
}

.article-date, .article-read-time {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-title {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

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

.article-excerpt {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary-dark);
    gap: 12px;
}

.article-stats {
    display: flex;
    gap: 15px;
    color: var(--gray);
    font-size: 0.9rem;
}

/* ========== CATEGORIES SECTION ========== */
.categories-section {
    background: linear-gradient(135deg, #f8fafc 0%, #edf2f7 100%);
    padding: 60px 0;
    border-radius: var(--radius);
    margin-bottom: 80px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.category-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.category-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.category-title {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.category-count {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.category-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.category-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

/* ========== NEWSLETTER ========== */
.newsletter-section {
    background: linear-gradient(135deg, var(--secondary) 0%, #0056A3 100%);
    color: var(--white);
    padding: 80px 0;
    border-radius: var(--radius);
    margin-bottom: 80px;
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-icon {
    font-size: 4rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.newsletter-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.newsletter-description {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.6;
}

.newsletter-form {
    display: flex;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-input {
    flex-grow: 1;
    padding: 18px 24px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    backdrop-filter: blur(10px);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-btn {
    padding: 18px 40px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.newsletter-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ========== FOOTER MODERN ========== */
.site-footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 40px;
    margin-top: 100px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--white);
    position: relative;
    padding-bottom: 15px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: 25px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .articles-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .hero {
        padding: 70px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;