/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00a8a8;
    --primary-dark: #008080;
    --secondary-color: #f0f4f8;
    --accent-color: #e6f7ff;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --gray-light: #f5f5f5;
    --gray: #dddddd;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.primary-btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
}

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

.secondary-btn {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: none;
}

.secondary-btn:hover {
    background-color: var(--gray);
    transform: translateY(-2px);
}

.outline-btn {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

/* Header Styles */
header {
    position: sticky;
    top: 0;
    background-color: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-menu a {
    display: block;
    padding: 10px 0;
    font-weight: 500;
}

.mobile-login {
    color: var(--primary-color);
    font-weight: 600;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(to bottom, var(--white), var(--secondary-color));
}

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

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-color);
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

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

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.step p {
    color: var(--text-light);
}

/* Demo Section */
.demo {
    padding: 80px 0;
    background-color: var(--white);
}

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

.demo-content h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.demo-content p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.demo-features {
    margin-bottom: 30px;
}

.demo-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.demo-features i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 0.8rem;
}

.demo-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    color: var(--text-light);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.testimonial-author p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta p {
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.footer-logo img {
    height: 30px;
    margin-right: 10px;
}

.footer-logo span {
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-about p {
    color: var(--gray);
    font-size: 0.9rem;
}

.footer-links h3, .footer-contact h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--gray);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-contact li {
    color: var(--gray);
    font-size: 0.9rem;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

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

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-header h2, .demo-content h2, .cta h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links, .login-btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero .container, .demo .container {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        text-align: center;
        order: 1;
    }
    
    .hero-image {
        order: 0;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .demo-content {
        text-align: center;
    }
    
    .demo-features {
        display: inline-block;
        text-align: left;
    }
    
    .cta-buttons {
        flex-direction: column;
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-header h2, .demo-content h2, .cta h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}