:root {
    --primary-color: #3182ce;
    --primary-dark: #0c5a5a;
    --secondary-color: #2f6440;
    --background-light: #eaf6f6;
    --background-dark: #1a202c;
    --text-light: #0f2c2c;
    --text-dark: #f5f5f5;
    --card-light: #d7f2f2;
    --card-dark: #2a2a2a;
    --highlight: #3aa8a8;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-light);
    margin: 0;
    padding: 0;
    color: var(--text-light);
    transition: background 0.3s ease, color 0.3s ease;
    line-height: 1.6;
}

body.dark-theme {
    background-color: var(--background-dark);
    color: var(--text-dark);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    position: relative;
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body.dark-theme header {
    background-color: rgba(26, 32, 44, 0.9);
}

.logo-container {
    display: flex;
    flex-direction: column;
}

.logo-container h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
}

.plus {
    color: var(--primary-color);
}

.tagline {
    font-size: 12px;
    color: #666;
    margin-top: -5px;
}

body.dark-theme .tagline {
    color: #aaa;
}

#theme-toggler {
    cursor: pointer;
    user-select: none;
    transition: color 0.3s ease;
    color: var(--text-light);
    display: inline;
}

body.dark-theme #theme-toggler {
    color: var(--text-dark);
}

nav a {
    text-decoration: none;
    padding: 10px 18px;
    margin-left: 15px;
    border-radius: 5px;
    transition: all 0.3s;
    font-weight: 500;
}

.nav-link {
    color: var(--text-light);
    background: transparent;
    border: 1px solid var(--primary-color);
}

.nav-link:hover {
    background-color: rgba(49, 130, 206, 0.1);
}

.highlight {
    background-color: var(--primary-color);
    color: white;
}

.highlight:hover {
    background-color: var(--primary-dark);
}

body.dark-theme .nav-link {
    color: var(--text-dark);
    border-color: var(--secondary-color);
}

body.dark-theme .nav-link:hover {
    background-color: rgba(47, 100, 64, 0.2);
}

body.dark-theme .highlight {
    background-color: var(--secondary-color);
}

.hero-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 80px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.text-section {
    max-width: 600px;
    padding-right: 40px;
}

.text-section h2 {
    font-size: 42px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight-text {
    color: var(--primary-color);
}

body.dark-theme .highlight-text {
    color: var(--highlight);
}

.subtitle {
    font-size: 18px;
    margin: 20px 0 30px;
    color: #1a3c3c;
}

body.dark-theme .subtitle {
    color: #ddd;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    margin-right: 15px;
    margin-bottom: 15px;
}

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

.primary-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.secondary-btn:hover {
    background-color: rgba(49, 130, 206, 0.1);
    transform: translateY(-2px);
}

body.dark-theme .secondary-btn {
    color: var(--highlight);
    border-color: var(--highlight);
}

body.dark-theme .secondary-btn:hover {
    background-color: rgba(58, 168, 168, 0.1);
}

.features {
    display: flex;
    flex-wrap: wrap;
    margin-top: 40px;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    background-color: rgba(49, 130, 206, 0.1);
    padding: 12px 18px;
    border-radius: 5px;
    color: var(--primary-color);
    font-weight: 500;
}

.feature-item i {
    margin-right: 8px;
    font-size: 18px;
}

body.dark-theme .feature-item {
    background-color: rgba(58, 168, 168, 0.1);
    color: var(--highlight);
}

.image-section {
    position: relative;
    max-width: 500px;
}

.image-section img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 1;
    position: relative;
}

.image-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(49, 130, 206, 0.3), rgba(58, 168, 168, 0.3));
    border-radius: 10px;
    top: 15px;
    left: 15px;
    z-index: 0;
}

body.dark-theme .image-overlay {
    background: linear-gradient(135deg, rgba(47, 100, 64, 0.3), rgba(26, 32, 44, 0.3));
}

.testimonials-section {
    padding: 80px 5%;
    background-color: var(--card-light);
    margin-top: 60px;
}

body.dark-theme .testimonials-section {
    background-color: var(--card-dark);
}

.testimonials-section h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 50px;
    color: var(--text-light);
}

body.dark-theme .testimonials-section h3 {
    color: var(--text-dark);
}

.testimonials-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    max-width: 400px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    flex: 1 1 300px;
}

body.dark-theme .testimonial-card {
    background-color: #3a3a3a;
}

.quote-icon {
    color: var(--primary-color);
    font-size: 24px;
    opacity: 0.3;
    margin-bottom: 15px;
}

body.dark-theme .quote-icon {
    color: var(--highlight);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    color: #333;
}

body.dark-theme .testimonial-text {
    color: #eee;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rating {
    color: #ffc107;
}

.testimonial-author span {
    font-weight: 600;
    color: var(--primary-color);
}

body.dark-theme .testimonial-author span {
    color: var(--highlight);
}

footer {
    background-color: var(--text-light);
    color: white;
    padding: 60px 5% 20px;
}

body.dark-theme footer {
    background-color: #0f1a1a;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo h3 {
    font-size: 24px;
    margin: 0 0 10px;
}

.footer-logo span {
    color: var(--primary-color);
}

.footer-logo p {
    margin: 0;
    opacity: 0.8;
    font-size: 14px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.footer-links a:hover {
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.footer-social a:hover {
    background-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    opacity: 0.7;
}

@media (max-width: 1024px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        padding: 60px 5%;
    }
    
    .text-section {
        padding-right: 0;
        margin-bottom: 40px;
        max-width: 100%;
    }
    
    .cta-container {
        justify-content: center;
    }
    
    .features {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 15px;
    }
    
    nav {
        margin-top: 15px;
    }
    
    .hero-container {
        padding: 40px 5%;
    }
    
    .text-section h2 {
        font-size: 32px;
    }
    
    .btn {
        width: 100%;
        margin-right: 0;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

}