/* =====================================================
   QR MENU SYSTEM - FEATURES PAGE STYLES
   Version: 1.0
   ===================================================== */

/* Features Container */
.features-container {
    background: var(--theme-background-color);
    min-height: 100vh;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--theme-primary-color) 0%, var(--theme-secondary-color) 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 15px;
    margin-top: 2rem;
}

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

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    border-radius: 15px;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 300;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--theme-accent-color);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* Section Styles */
.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--theme-text-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--theme-primary-color), var(--theme-accent-color));
    border-radius: 2px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--theme-primary-color), var(--theme-accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    border-color: var(--theme-primary-color);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--theme-primary-color), var(--theme-accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 6px 15px rgba(229, 62, 62, 0.3);
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    color: var(--theme-text-color);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.4rem 0;
    position: relative;
    padding-left: 1.3rem;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--theme-primary-color);
    font-weight: bold;
    font-size: 1rem;
}

/* Section Backgrounds */
.main-features {
    padding: 3rem 0;
    background: var(--theme-background-color);
    margin-bottom: 1rem;
}

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

.advanced-features {
    padding: 3rem 0;
    background: #f8f9fa;
    margin-bottom: 1rem;
}

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

.technical-features {
    padding: 3rem 0;
    background: white;
    margin-bottom: 1rem;
}

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

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--theme-primary-color) 0%, var(--theme-secondary-color) 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    margin-top: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 15px;
    margin-bottom: 2rem;
}

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

.cta-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.cta-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: transparent;
    color: white;
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255,255,255,0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: var(--theme-primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255,255,255,0.3);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card {
    animation: fadeInUp 0.5s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        padding: 0 15px;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .feature-title {
        font-size: 1.2rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 1.5rem;
    }
    
    .cta-title {
        font-size: 1.6rem;
    }
    
    .cta-description {
        font-size: 1rem;
    }
}

/* Hover Effects */
.feature-card:hover .feature-icon {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(229, 62, 62, 0.4);
}

.feature-card:hover .feature-title {
    color: var(--theme-primary-color);
}

/* Loading Animation */
@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.feature-card.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
}

/* Print Styles */
@media print {
    .hero-section {
        background: white !important;
        color: black !important;
    }
    
    .feature-card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .cta-section {
        display: none;
    }
}