/* ================================================
   Академия за Дигитални Умения - Основни Стилове
   ================================================ */

/* Импорт на шрифт Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ================================================
   CSS Променливи (Цветова гама)
   ================================================ */
:root {
    --primary-green: #28a745;
    --dark-green: #218838;
    --light-green: #d4edda;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --text-dark: #212529;
    --text-gray: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ================================================
   Глобални Стилове
   ================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* ================================================
   Типография
   ================================================ */
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: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

/* ================================================
   Бутони
   ================================================ */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-green);
    color: var(--white);
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

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

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

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

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* ================================================
   Хедър и Навигация
   ================================================ */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

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

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

nav ul li a {
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary-green);
}

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

/* ================================================
   Hero Секция
   ================================================ */
.hero {
    background: linear-gradient(rgba(40, 167, 69, 0.8), rgba(40, 167, 69, 0.8)),
                url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?w=1600&h=900&fit=crop') no-repeat center center;
    background-size: cover;
    color: var(--white);
    text-align: center;
    padding: 120px 20px;
    position: relative;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1.2s ease;
}

.hero .btn {
    animation: fadeInUp 1.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ================================================
   Секции
   ================================================ */
section {
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-green);
}

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

/* ================================================
   Grid Системи
   ================================================ */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

/* ================================================
   Карти
   ================================================ */
.card {
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 2rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.card img {
    border-radius: 10px;
    margin-bottom: 1.5rem;
    width: 100%;
    height: 250px;
    object-fit: cover;
}

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

.card p {
    color: var(--text-gray);
}

/* ================================================
   Footer
   ================================================ */
footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 3rem 20px 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

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

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

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

.footer-section a {
    color: var(--white);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--primary-green);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-green);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: var(--dark-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ================================================
   Cookie Банер
   ================================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--text-dark);
    color: var(--white);
    padding: 1.5rem;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    display: none;
}

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

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

.cookie-content p {
    margin: 0;
    flex: 1;
}

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

/* ================================================
   Дисклеймер
   ================================================ */
.disclaimer {
    background-color: var(--light-green);
    border-left: 4px solid var(--primary-green);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 5px;
}

.disclaimer h4 {
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.disclaimer p {
    font-size: 0.9rem;
    color: var(--text-dark);
    margin-bottom: 0;
}

/* ================================================
   Форми
   ================================================ */
.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,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
}

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

/* ================================================
   Блог
   ================================================ */
.blog-preview {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-preview:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.blog-preview img {
    width: 350px;
    height: 250px;
    object-fit: cover;
}

.blog-preview-content {
    padding: 2rem;
    flex: 1;
}

.blog-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

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

.blog-preview p {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

/* ================================================
   FAQ
   ================================================ */
.faq-item {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background-color: var(--off-white);
    border: none;
    padding: 1.5rem;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: var(--light-green);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-green);
    transition: transform 0.3s ease;
}

.faq-question.active::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.faq-answer.show {
    max-height: 500px;
    padding: 1.5rem;
}

/* ================================================
   Адаптивен Дизайн
   ================================================ */

/* Таблети (до 992px) */
@media (max-width: 992px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .blog-preview {
        flex-direction: column;
    }
    
    .blog-preview img {
        width: 100%;
        height: 300px;
    }
}

/* Мобилни устройства (до 768px) */
@media (max-width: 768px) {
    .grid-3,
    .grid-2 {
        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(--white);
        box-shadow: var(--shadow);
        padding: 1rem;
        gap: 0;
    }
    
    nav ul.show {
        display: flex;
    }
    
    nav ul li {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        padding: 80px 20px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    section {
        padding: 60px 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* Малки мобилни устройства (до 480px) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
}