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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
header {
    background: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #1aa346;
}

.logo img {
    max-width: 50px;
    margin-right: 8px;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #1aa346;
}

.download-btn {
    background: #1aa346;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.download-btn:hover {
    background: #1e3d2a;
}

/* Hero Section */
.hero {
    background: linear-gradient(to bottom, white 0%, #a1ddb4 100%);
    padding: 120px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Steps Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.step-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
}

.step-icon {
    font-size: 3rem;
    margin: 1rem 0;
    color: #1aa346;
}

.step-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.step-description {
    color: #666;
    line-height: 1.6;
}

/* Interactive Features Section */
.interactive-features {
    background: #f8fdf8;
}

.features-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 0rem;
}

.lang-btn {
    margin-top: 1rem;
    background: #1aa346;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.lang-btn:hover {
    background: #1e3d2a;
}

.slider-tabs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.slider-tab,
.slider-tab-left {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.slider-tab.active {
    margin-left: 40px;
    border-color: #1aa346;
    background: #f0f9f2;
}

.slider-tab-left.active {
    margin-right: 40px;
    border-color: #1aa346;
    background: #f0f9f2;
}

.slider-tab::before {
    content: "";
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: #1aa346;
    transition: height 0.3s ease;
}

.slider-tab-left::before {
    content: "";
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: #1aa346;
    transition: height 0.3s ease;
}

.slider-tab.active::before {
    height: 90%;
}

.slider-tab-left.active::before {
    height: 90%;
}

.tab-icon {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    background: #1aa346;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.tab-container {
    display: flex;
    align-items: center;
    margin-top: 4rem;
}

.tab-container-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: 4rem;
}

.tab-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}

.tab-description {
    color: #666;
    font-size: 0.95rem;
}

.feature-image {
    position: relative;
    text-align: center;
}

.image-container {
    position: relative;
    display: inline-block;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    display: block;
    transition: opacity 0.5s ease;
}

.feature-img:not(.active) {
    display: none;
}

/* Benefits Section */
.benefits {
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.benefit-item {
    text-align: center;
    padding: 1.5rem;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: #1aa346;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.benefit-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.benefit-description {
    color: #666;
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #1aa346 0%, #1e3d2a 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.cta-btn {
    background: white;
    color: #1aa346;
    padding: 1rem 2rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s;
}

.cta-btn:hover {
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    padding: 3rem 0 1rem;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #1aa346;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }

    .features-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .tab-container,
    .tab-container-right {
        justify-content: center;
    }

    .slider-tab.active {
        margin-left: 20px;
    }

    .slider-tab-left.active {
        margin-right: 20px;
    }
}