/* ===================================
   АКАДЕМИЯ ЗНАНИЕ - MAIN STYLES
   =================================== */

/* === GOOGLE FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* === CSS VARIABLES === */
:root {
    --primary-green: #28a745;
    --primary-green-dark: #218838;
    --primary-green-light: #34ce57;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* === GLOBAL RESET === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    max-width: 700px;
}

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

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

/* === CONTAINER === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === HEADER & NAVIGATION === */
header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

nav a:hover,
nav a.active {
    background-color: var(--bg-light);
    color: var(--primary-green);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-green-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-outline:hover {
    background-color: var(--primary-green);
    color: var(--bg-white);
}

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

.btn-white:hover {
    background-color: var(--bg-light);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--bg-white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.8), rgba(33, 136, 56, 0.9));
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* === SECTIONS === */
section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* === CARDS === */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--primary-green);
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

/* === STATISTICS === */
.statistics {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    color: var(--bg-white);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--bg-white);
}

.stat-item p {
    font-size: 1.1rem;
    margin: 0;
    max-width: 100%;
}

/* === CTA SECTION === */
.cta {
    background-color: var(--bg-light);
    text-align: center;
    padding: 5rem 2rem;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* === FOOTER === */
footer {
    background-color: var(--text-dark);
    color: var(--bg-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    max-width: 100%;
}

.footer-section a:hover {
    color: var(--bg-white);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* === CONTACT FORM === */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-form {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-info {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.contact-item {
    display: flex;
    align-items: start;
    margin-bottom: 1.5rem;
}

.contact-item-icon {
    font-size: 1.5rem;
    color: var(--primary-green);
    margin-right: 1rem;
}

.contact-item-content h4 {
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.contact-item-content p {
    color: var(--text-muted);
    margin: 0;
}

.map-container {
    margin-top: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 300px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* === BLOG === */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.blog-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-card-content {
    padding: 1.5rem;
}

.blog-card-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.blog-card h3 {
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.blog-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-article {
    max-width: 800px;
    margin: 0 auto;
}

.blog-article-header {
    margin-bottom: 2rem;
}

.blog-article-header img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

.blog-article-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-article-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.blog-article-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-green);
}

.blog-article-content p {
    max-width: 100%;
}

/* === COOKIE BANNER === */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--text-dark);
    color: var(--bg-white);
    padding: 1.5rem;
    box-shadow: 0 -4px 8px rgba(0,0,0,0.1);
    z-index: 9999;
    display: none;
}

.cookie-banner.show {
    display: block;
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-banner p {
    margin: 0;
    font-size: 0.9rem;
}

.cookie-banner-buttons {
    display: flex;
    gap: 1rem;
}

/* === DISCLAIMER === */
.disclaimer {
    background-color: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 2rem 0;
}

.disclaimer-title {
    color: #856404;
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.disclaimer-content {
    color: #856404;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === FAQ === */
.faq-item {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-green);
}

.faq-question {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.faq-answer {
    color: var(--text-muted);
    margin: 0;
}

/* === RESPONSIVE DESIGN === */

/* Tablet - 2 columns */
@media (max-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-section {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
}

/* Mobile - 1 column */
@media (max-width: 576px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-md);
        padding: 1rem;
        gap: 0.5rem;
    }
    
    nav ul.show {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .cookie-banner-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cookie-banner-buttons {
        width: 100%;
    }
    
    .cookie-banner-buttons .btn {
        flex: 1;
    }
}