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

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

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

.nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #667eea;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    color: white;
    min-height: 80vh; /* Reduced by 20% from 100vh */
    position: relative;
    overflow: hidden;
    padding-top: 120px; /* Increased space between navbar and image */
}

.hero-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    min-height: 80vh; /* Adjusted to match hero-section */
    padding: 40px 0; /* Reduced to compensate for increased section padding-top */
}

.hero-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.app-logo {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.tagline {
    font-size: 1.4rem;
    margin: 20px 0;
    opacity: 0.9;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: white;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 50px;
    font-weight: bold;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-card h3 {
    font-size: 1.3rem;
    color: #667eea;
    margin-bottom: 15px;
    font-weight: bold;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots-section {
    padding: 80px 0;
    background: linear-gradient(45deg, #f8f9fa, #e9ecef);
}

.screenshots-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 50px;
    font-weight: bold;
}

.screenshots-swiper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 50px;
}

.screenshots-swiper .swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
}

.screenshot-item {
    text-align: center;
    width: 100%;
}

.screenshot-item img {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.screenshot-item img:hover {
    transform: scale(1.05);
}

/* Swiper Navigation Buttons */
.screenshots-swiper .swiper-button-next,
.screenshots-swiper .swiper-button-prev {
    color: #667eea;
    background: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-top: -25px;
}

.screenshots-swiper .swiper-button-next:after,
.screenshots-swiper .swiper-button-prev:after {
    font-size: 20px;
}

/* Swiper Pagination */
.screenshots-swiper .swiper-pagination-bullet {
    background: #667eea;
    opacity: 0.3;
    width: 12px;
    height: 12px;
}

.screenshots-swiper .swiper-pagination-bullet-active {
    opacity: 1;
    background: #667eea;
}

/* Tips Section */
.tips-section {
    padding: 80px 0;
    background: white;
}

.tips-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 50px;
    font-weight: bold;
}

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

.tip-item {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.tip-item p {
    color: #856404;
    font-size: 1.1rem;
    margin: 0;
}

/* Call to Action Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.cta-text {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
    line-height: 1.6;
}

/* Footer */
.footer {
    padding: 40px 0;
    background: #343a40;
    color: #adb5bd;
    text-align: center;
}

.copyright p {
    margin: 10px 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Navigation */
    .nav-logo-text {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
    
    /* Hero */
    .hero-section {
        min-height: 70vh; /* Further reduced for mobile */
        padding-top: 100px; /* Adjusted for mobile */
    }
    
    .hero-content {
        min-height: 70vh;
        padding: 30px 0; /* Reduced for mobile */
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    /* Sections */
    .features-section h2,
    .screenshots-section h2,
    .tips-section h2,
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .logo-section {
        flex-direction: column;
    }
    
    .app-logo {
        width: 100px;
        height: 100px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* Screenshots Swiper */
    .screenshots-swiper {
        padding: 20px 30px;
    }
    
    .screenshots-swiper .swiper-button-next,
    .screenshots-swiper .swiper-button-prev {
        width: 40px;
        height: 40px;
        margin-top: -20px;
    }
    
    .screenshots-swiper .swiper-button-next:after,
    .screenshots-swiper .swiper-button-prev:after {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    /* Navigation */
    .nav-logo-text {
        display: none;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .nav-link {
        font-size: 0.8rem;
    }
    
    /* Hero */
    .hero-section {
        min-height: 60vh; /* Further reduced for very small screens */
        padding-top: 90px; /* Adjusted for very small screens */
    }
    
    .hero-content {
        min-height: 60vh;
        padding: 20px 0; /* Reduced for very small screens */
    }
    
    h1 {
        font-size: 2rem;
    }
    
    /* Sections */
    .features-section,
    .screenshots-section,
    .tips-section,
    .cta-section {
        padding: 60px 0;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    /* Screenshots Swiper */
    .screenshots-swiper {
        padding: 20px 20px;
    }
    
    .screenshots-swiper .swiper-button-next,
    .screenshots-swiper .swiper-button-prev {
        display: none; /* Hide navigation buttons on very small screens */
    }
}