/* Modern Green Theme CSS */
:root {
    --primary-green: #2d8659;
    --dark-green: #1e5d3f;
    --light-green: #4fb883;
    --accent-green: #6bc99a;
    --bg-light: #f0f7f4;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --white: #ffffff;
    --border-color: #d4e6dd;
    --shadow: rgba(45, 134, 89, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--white);
}

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

nav a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
    font-weight: 500;
}

nav a:hover {
    opacity: 0.8;
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.lang-switcher a {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 5px;
    transition: background 0.3s;
    font-size: 0.9rem;
}

.lang-switcher a:hover,
.lang-switcher a.active {
    background: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

/* Content Sections */
.content-section {
    padding: 3rem 0;
}

.content-section:nth-child(even) {
    background-color: var(--bg-light);
}

.section-title {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.subsection-title {
    font-size: 1.5rem;
    color: var(--dark-green);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.subsubsection-title {
    font-size: 1.2rem;
    color: var(--primary-green);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.content-block {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px var(--shadow);
    margin-bottom: 2rem;
}

.content-block p {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.content-block ul,
.content-block ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content-block li {
    margin-bottom: 0.5rem;
}

/* Images */
.content-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 2rem 0;
    box-shadow: 0 4px 20px var(--shadow);
    display: block;
}

.image-container {
    text-align: center;
    margin: 2rem 0;
}

/* FAQ Section */
.faq-section {
    background: var(--bg-light);
    padding: 3rem 0;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px var(--shadow);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--primary-green);
    color: var(--white);
    font-weight: 600;
    transition: background 0.3s;
}

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

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform 0.3s;
}

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

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

.faq-answer.active {
    padding: 1.5rem;
    max-height: 1000px;
}

.faq-answer p {
    color: var(--text-dark);
    line-height: 1.8;
}

/* Internal Links */
.internal-link {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid var(--accent-green);
    transition: color 0.3s;
}

.internal-link:hover {
    color: var(--dark-green);
    border-bottom-color: var(--primary-green);
}

/* Footer */
footer {
    background: var(--dark-green);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

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

footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .lang-switcher {
        margin-top: 1rem;
        width: 100%;
    }
    
    .content-block {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 0;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .content-section {
        padding: 2rem 0;
    }
}