/* Base Styles */
:root {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --dark-color: #292f36;
    --light-color: #f7f7f7;
    --text-color: #333;
}

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

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

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

h1, h2, h3, h4 {
    margin-bottom: 15px;
}

p {
    margin-bottom: 20px;
}

a {
    text-decoration: none;
    color: var(--dark-color);
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 600;
}

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

.btn-primary:hover {
    background-color: #ff5252;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #3dbdb3;
    transform: translateY(-2px);
}

section {
    padding: 80px 0;
}

/* Header Styles */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

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

.logo-img {
    height: 60px;
    margin-right: 15px;
}

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

.logo h1 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 24px;
}

.logo .tagline {
    font-size: 14px;
    color: var(--dark-color);
    margin: 0;
}

nav ul {
    display: flex;
    align-items: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    font-weight: 600;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* Hero Section */
#hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1513519245088-0e12902e5a38?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    margin-top: 60px;
    padding-top: 20px;
}

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

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 30px;
}

/* How It Works Section */
#how-it-works {
    background-color: var(--light-color);
    text-align: center;
}

#how-it-works h2 {
    margin-bottom: 50px;
}

.steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.step {
    flex: 1;
    padding: 20px;
    margin: 0 15px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.step-icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.pricing {
    margin-top: 50px;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pricing h3 {
    color: var(--primary-color);
}

.pricing p {
    font-size: 18px;
    margin-bottom: 20px;
}

.pricing-tiers {
    display: flex;
    justify-content: space-between;
    margin: 30px 0;
    flex-wrap: wrap;
}

.pricing-tier {
    flex: 1;
    min-width: 200px;
    padding: 20px;
    margin: 0 10px 20px;
    border-radius: 8px;
    background-color: var(--light-color);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-tier:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.pricing-tier h4 {
    color: var(--dark-color);
    font-size: 18px;
    margin-bottom: 15px;
}

.top-up-note {
    font-style: italic;
    font-size: 16px;
    color: var(--dark-color);
    margin-top: 10px;
}

.pricing-tier .price {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.pricing-tier p {
    font-size: 16px;
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .pricing-tiers {
        flex-direction: column;
    }
    
    .pricing-tier {
        margin-bottom: 20px;
    }
}

/* Features Section */
#features {
    text-align: center;
}

#features h2 {
    margin-bottom: 50px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature {
    padding: 30px;
    background-color: var(--light-color);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-10px);
}

.feature i {
    font-size: 40px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Login/CTA Section */
#login {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1577563908411-5077b6dc7624?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-buttons {
    margin-top: 30px;
}

.cta-buttons .btn {
    margin: 0 10px;
}

/* About Us Section */
#about-us {
    background-color: var(--light-color);
}

#about-us .container {
    max-width: 800px;
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-logo, .footer-links, .footer-contact {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
}

.footer-logo h3 {
    color: var(--primary-color);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a, .social-icons a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover, .social-icons a:hover {
    color: var(--primary-color);
}

.social-icons {
    margin-top: 20px;
}

.social-icons a {
    font-size: 20px;
    margin-right: 15px;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .steps {
        flex-direction: column;
    }
    
    .step {
        margin-bottom: 30px;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    header .container {
        flex-direction: column;
        padding: 10px;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .logo h1 {
        font-size: 20px;
        margin-bottom: 0;
    }
    
    .logo .tagline {
        font-size: 12px;
    }
    
    nav ul {
        margin-top: 10px;
        width: 100%;
        justify-content: space-between;
    }
    
    nav ul li {
        margin: 0;
    }
    
    nav ul li a {
        font-size: 14px;
    }
    
    #hero {
        margin-top: 40px;
    }
    
    section {
        padding-top: 60px;
    }
}