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

:root {
    --green-light: #8BC34A;
    --green-medium: #7CB342;
    --yellow: #FFC107;
    --yellow-light: #FFECB3;
    --white: #FFFFFF;
    --gray-dark: #37474F;
    --gray-medium: #546E7A;
    --gray-light: #ECEFF1;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white);
}

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

.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--green-medium);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--green-medium);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--gray-dark);
    transition: 0.3s;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--green-light);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--gray-light) 0%, var(--white) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 2.8rem;
    color: var(--gray-dark);
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-list {
    list-style: none;
    margin-bottom: 32px;
}

.hero-list li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    color: var(--gray-medium);
    font-size: 1.1rem;
}

.hero-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green-medium);
    font-weight: bold;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
}

.section {
    padding: 80px 0;
}

.section-light {
    background-color: var(--gray-light);
}

.section h2 {
    font-size: 2.2rem;
    color: var(--gray-dark);
    text-align: center;
    margin-bottom: 48px;
}

.text-content {
    max-width: 800px;
    margin: 0 auto;
}

.text-content p {
    margin-bottom: 20px;
    color: var(--gray-medium);
    font-size: 1.1rem;
}

.areas-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.areas-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.card h3 {
    font-size: 1.1rem;
    color: var(--gray-dark);
}

.areas-image img {
    width: 100%;
    height: auto;
    border-radius: 16px;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.method-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.method-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.method-card h3 {
    font-size: 1.1rem;
    color: var(--gray-dark);
    line-height: 1.4;
}

.steps-list {
    max-width: 600px;
    margin: 0 auto;
    list-style: none;
}

.steps-list li {
    padding: 16px 20px;
    padding-left: 50px;
    position: relative;
    background-color: var(--gray-light);
    margin-bottom: 12px;
    border-radius: 8px;
    font-size: 1.1rem;
    color: var(--gray-dark);
}

.steps-list li::before {
    content: "🌱";
    position: absolute;
    left: 16px;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 12px;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    text-align: left;
    background-color: var(--white);
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
}

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

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

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--gray-medium);
    line-height: 1.6;
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--green-medium) 0%, var(--green-light) 100%);
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 32px;
    font-size: 1.8rem;
}

.cta-section .btn-primary {
    background-color: var(--yellow);
    color: var(--gray-dark);
}

.cta-section .btn-primary:hover {
    background-color: var(--yellow-light);
}

.footer {
    background-color: var(--gray-dark);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    margin-bottom: 16px;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-list {
        display: inline-block;
        text-align: left;
    }

    .hero-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .areas-grid {
        grid-template-columns: 1fr;
    }

    .areas-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .methods-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-container .btn {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .areas-cards {
        grid-template-columns: 1fr;
    }

    .section h2 {
        font-size: 1.8rem;
    }

    .cta-section h2 {
        font-size: 1.4rem;
    }
}