/* Global Styles */
:root {
    /* Colors based on the app's theme */
    --primary-blue: #2563EB;
    --secondary-yellow: #FACC15;
    --accent-green: #22C55E;
    --error-red: #F87171;
    --light-bg: #F8FAFC;
    --light-surface: #FFFFFF;
    --light-card-bg: #EFF6FF;
    --light-primary-text: #1E293B;
    --light-secondary-text: #64748B;
    --dark-bg: #1E293B;
    --dark-surface: #334155;
    --dark-card-bg: #475569;
    --dark-primary-text: #F8FAFC;
    --dark-secondary-text: #CBD5E1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--light-primary-text);
    background-color: var(--light-bg);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--primary-blue);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

h1, h2, h3, h4 {
    margin-bottom: 15px;
    line-height: 1.3;
}

section {
    padding: 60px 0;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-3px);
}

.btn-secondary {
    background-color: var(--secondary-yellow);
    color: var(--light-primary-text);
}

.btn-secondary:hover {
    background-color: #eab308;
    transform: translateY(-3px);
}

/* Header */
header {
    background-color: var(--primary-blue);
    color: white;
    padding: 30px 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* Navigation */
nav {
    background-color: var(--dark-surface);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    display: flex;
    justify-content: center;
    gap: 30px;
}

nav ul li a {
    color: white;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--secondary-yellow);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1e40af 100%);
    color: white;
    padding: 80px 0;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features {
    background-color: var(--light-surface);
    text-align: center;
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--light-card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* How It Works */
.how-it-works {
    background-color: var(--light-bg);
    text-align: center;
}

.how-it-works h2 {
    font-size: 2rem;
    margin-bottom: 40px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.step {
    padding: 30px;
    background-color: var(--light-surface);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

/* Premium Section */
.premium {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 100%);
    color: white;
    text-align: center;
}

.premium h2 {
    font-size: 2rem;
    margin-bottom: 40px;
}

.premium-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.premium-features {
    flex: 1;
    min-width: 300px;
    text-align: left;
}

.premium-features ul {
    margin: 20px 0 30px;
}

.premium-features ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.premium-features ul li i {
    color: var(--secondary-yellow);
    margin-right: 10px;
}

.pricing {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    width: 100%;
}

.price-card {
    background-color: var(--dark-surface);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 220px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.price-card.featured {
    border: 2px solid var(--secondary-yellow);
    transform: scale(1.05);
}

.price-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.price-card p {
    font-size: 0.9rem;
    color: var(--dark-secondary-text);
}

.best-value {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--secondary-yellow);
    color: var(--dark-bg);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.8rem;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--secondary-yellow);
    margin: 20px 0;
}

.period {
    font-size: 1rem;
    color: var(--dark-secondary-text);
}

@media (max-width: 768px) {
    .pricing {
        flex-direction: column;
        align-items: center;
    }
    
    .price-card {
        width: 100%;
        max-width: 300px;
    }
    
    .price-card.featured {
        order: -1;
    }
}
/* Download Section */
.download {
    background-color: var(--light-surface);
    text-align: center;
}

.download h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.download p {
    margin-bottom: 30px;
}

.download-btn img {
    height: 60px;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo {
    flex: 2;
    min-width: 300px;
}

.footer-links {
    flex: 1;
    min-width: 200px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--dark-secondary-text);
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content, .hero-image {
        text-align: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .premium-content {
        flex-direction: column;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
}