/* Phone Cleaner App Styles */

/* Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    --gradient-danger: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    --gradient-info: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

/* General Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    padding-top: 76px;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* App Header */
.app-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.app-header::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 1000 100" fill="white" fill-opacity="0.1"><polygon points="0,0 1000,100 1000,0"/></svg>');
    background-size: cover;
    background-position: bottom;
}

.app-info {
    position: relative;
    z-index: 2;
}

.app-icon img {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.app-preview {
    position: relative;
    z-index: 2;
}

.phone-mockup {
    position: relative;
    /* max-width: 300px; */
    margin: 0 auto;
    background: linear-gradient(145deg, #1f2937, #374151);
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
    animation: float 6s ease-in-out infinite;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #6b7280;
    border-radius: 3px;
}

.phone-mockup::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 35px;
    height: 35px;
    background: #6b7280;
    border-radius: 50%;
    opacity: 0.3;
}

.phone-mockup img {
    width: 100%;
    border-radius: 20px;
    display: block;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Screenshots Section */
.screenshots-section {
    background: #f8fafc;
}

.screenshot-item {
    text-align: center;
    transition: transform 0.3s ease;
}

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

.phone-mockup-small {
    position: relative;
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
    background: linear-gradient(145deg, #1f2937, #374151);
    border-radius: 25px;
    padding: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
}

.phone-mockup-small:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}

.phone-mockup-small::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: #6b7280;
    border-radius: 2px;
}

.phone-mockup-small::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 25px;
    height: 25px;
    background: #6b7280;
    border-radius: 50%;
    opacity: 0.3;
}

.phone-mockup-small img {
    width: 100%;
    border-radius: 15px;
    display: block;
    aspect-ratio: 9/19.5;
    object-fit: cover;
}

/* Features Section */
.feature-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    height: 100%;
}

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

.feature-icon {
    text-align: center;
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    transition: all 0.3s ease;
}

.icon-wrapper:hover {
    transform: scale(1.1);
}

.icon-wrapper i {
    font-size: 2rem;
    color: white;
    z-index: 2;
    position: relative;
}

.gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-secondary {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-success {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.gradient-warning {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.gradient-danger {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

.gradient-info {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

/* Download Section */
.download-section {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.download-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 1000 100" fill="white" fill-opacity="0.1"><polygon points="0,100 1000,0 1000,100"/></svg>');
    background-size: cover;
    background-position: top;
}

.download-buttons {
    position: relative;
    z-index: 2;
}

/* Buttons */
.btn {
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

.btn-outline-primary {
    border: 2px solid #2563eb;
    color: #2563eb;
    background: transparent;
}

.btn-outline-primary:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

/* Footer */
.footer {
    background: #1f2937 !important;
    color: #d1d5db;
}

.footer a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #f3f4f6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-header {
        padding: 60px 0;
    }
    
    .app-icon img {
        width: 80px;
        height: 80px;
    }
    
    .phone-mockup {
        max-width: 250px;
    }
    
    .phone-mockup-small {
        max-width: 180px;
    }
    
    .feature-card {
        margin-bottom: 20px;
    }
    
    .icon-wrapper {
        width: 60px;
        height: 60px;
    }
    
    .icon-wrapper i {
        font-size: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Utility Classes */
.text-shadow {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.bg-blur {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box, var(--gradient-primary) border-box;
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

/* Loading Animation */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f4f6;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Glow Effect */
.glow {
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { box-shadow: 0 0 20px rgba(102, 126, 234, 0.6); }
    to { box-shadow: 0 0 30px rgba(102, 126, 234, 0.8); }
}