/* Global Styles */
:root {
    --primary-color: #ff0000;
    --primary-dark: #cc0000;
    --secondary-color: #282828;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.18);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f5f5f5;
    background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hidden {
    display: none !important;
}

/* Header Styles */
.glass-header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo i {
    color: var(--primary-color);
    font-size: 2rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

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

/* Hero Section */
.hero {
    padding: 120px 0 60px;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

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

.download-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.download-form input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #ddd;
    border-radius: 50px;
    font-size: 1rem;
    transition: all 0.3s;
}

.download-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

.download-form button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 25px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.download-form button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.2);
}

.resolution-options {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-top: 20px;
}

.resolution-options h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.res-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.res-btn {
    background-color: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 8px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

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

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

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--secondary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

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

.feature-card {
    background: white;
    padding: 30px 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(255, 0, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.feature-card p {
    color: var(--gray-color);
    font-size: 0.95rem;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.article-content h3 {
    font-size: 1.5rem;
    margin: 25px 0 15px;
    color: var(--secondary-color);
}

.article-content p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.article-content ol, .article-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.article-content li {
    margin-bottom: 10px;
}

/* Preview Section */
.preview-section {
    padding: 60px 0;
    background-color: white;
}

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

#thumbnail-preview {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #eee;
}

/* Footer Styles */
.glass-footer {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    padding: 50px 0 0;
}

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

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.footer-section p {
    color: var(--gray-color);
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    text-decoration: none;
    color: var(--gray-color);
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

.social-icons a {
    color: var(--gray-color);
    font-size: 1.2rem;
    transition: color 0.3s;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 40px;
    }
    
    .download-form {
        flex-direction: column;
    }
    
    .download-form button {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        gap: 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 100px 0 40px;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .article-content {
        padding: 30px 20px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}