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

:root {
    /* Cores Principais */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #a5b4fc;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    
    /* Cores Neutras */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --background: #ffffff;
    --background-soft: #f9fafb;
    --background-muted: #f3f4f6;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    
    /* Cores de Estado */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Emoções */
    --emotion-happy: #fbbf24;
    --emotion-sad: #3b82f6;
    --emotion-angry: #ef4444;
    --emotion-anxious: #f59e0b;
    --emotion-calm: #10b981;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espaçamentos */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.2s ease-in-out;
    --transition-slow: 0.3s ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo i {
    font-size: var(--font-size-2xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-normal);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

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

.nav-auth {
    display: flex;
    gap: var(--space-3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    padding: 120px 0 var(--space-20);
    background: linear-gradient(135deg, var(--background) 0%, var(--background-soft) 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.phone-frame {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #1f2937, #111827);
    border-radius: 40px;
    padding: 20px;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: #374151;
    border-radius: var(--radius-full);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-color: white;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.1);
}

.app-interface {
    padding: var(--space-6);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.app-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.emotion-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.emotion-card {
    padding: var(--space-4);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.emotion-card.active {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

.emotion-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-2);
}

.emotion-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.intensity-slider {
    margin-top: auto;
}

.intensity-slider label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--space-3);
    text-align: center;
}

.slider {
    position: relative;
    height: 8px;
    background-color: var(--background-muted);
    border-radius: var(--radius-full);
}

.slider-track {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--warning), var(--error));
    border-radius: var(--radius-full);
    width: 70%;
}

.slider-thumb {
    position: absolute;
    top: -4px;
    width: 16px;
    height: 16px;
    background-color: white;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.section-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--space-20) 0;
    background-color: var(--background-soft);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background-color: white;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.feature-icon i {
    font-size: var(--font-size-2xl);
    color: white;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

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

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.feature-list li::before {
    content: '✓';
    width: 20px;
    height: 20px;
    background-color: var(--success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    flex-shrink: 0;
}

/* How It Works */
.how-it-works {
    padding: var(--space-20) 0;
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-8);
    align-items: center;
}

.step:nth-child(even) {
    grid-template-columns: auto 1fr auto;
}

.step:nth-child(even) .step-visual {
    order: -1;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    max-width: 400px;
}

.step-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-visual {
    width: 200px;
    height: 150px;
    background-color: var(--background-soft);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
}

.emotions-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.emotion-preview {
    font-size: var(--font-size-3xl);
    padding: var(--space-3);
    background-color: white;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.trigger-preview {
    text-align: center;
    padding: var(--space-4);
}

.trigger-preview i {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    margin-bottom: var(--space-3);
}

.trigger-preview p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-style: italic;
}

.chart-preview {
    text-align: center;
}

.chart-preview i {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    margin-bottom: var(--space-3);
}

.chart-bars {
    display: flex;
    align-items: end;
    justify-content: center;
    gap: var(--space-2);
    height: 60px;
}

.bar {
    width: 12px;
    background: linear-gradient(to top, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
    min-height: 20px;
}

/* Testimonials */
.testimonials {
    padding: var(--space-20) 0;
    background-color: var(--background-soft);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.testimonial-card {
    background-color: white;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-6);
}

.testimonial-rating i {
    color: var(--accent-color);
}

.testimonial-text {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--background-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Download Section */
.download {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.download-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
}

.download-description {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
    opacity: 0.9;
}

.download-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.download-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.download-feature i {
    color: var(--success);
    font-weight: bold;
}

.download-buttons {
    display: flex;
    gap: var(--space-4);
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: white;
    text-decoration: none;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.download-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.download-btn i {
    font-size: var(--font-size-2xl);
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-top {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

.btn-bottom {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Phones Mockup */
.phones-mockup {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
}

.phone-device {
    width: 180px;
    height: 360px;
    background: linear-gradient(145deg, #1f2937, #111827);
    border-radius: 30px;
    padding: 15px;
    box-shadow: var(--shadow-xl);
}

.phone-device .phone-screen {
    width: 100%;
    height: 100%;
    background-color: white;
    border-radius: 20px;
    overflow: hidden;
}

.screen-content {
    padding: var(--space-4);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.dash-header, .meditation-header {
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.mood-chart {
    background-color: var(--background-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.chart-title {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.chart-line {
    height: 40px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.chart-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    animation: shimmer 2s infinite;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.stat-box {
    background-color: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.meditation-circle {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.breathing-animation {
    width: 80px;
    height: 80px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: breathe 3s infinite ease-in-out;
    margin-bottom: var(--space-3);
}

.meditation-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-4);
}

.meditation-controls i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-8);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin-bottom: var(--space-2);
}

/* Animations */
@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-12);
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .phones-mockup {
        margin-top: var(--space-8);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-auth {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 var(--space-16);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--space-6);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-6);
    }
    
    .step:nth-child(even) .step-visual {
        order: 0;
    }
    
    .step-visual {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .download-features {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .phones-mockup {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-description {
        font-size: var(--font-size-lg);
    }
    
    .phone-mockup {
        max-width: 250px;
    }
    
    .phone-frame {
        width: 250px;
        height: 500px;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .feature-card {
        padding: var(--space-6);
    }
    
    .testimonial-text {
        font-size: var(--font-size-base);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none; }
.visible { display: block; }

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

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

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Hero Image - App Screenshots */
.app-screenshots {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 600px;
    margin: 0 auto;
}

.screenshot {
    position: absolute;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    object-fit: cover;
}

.main-screenshot {
    width: 280px;
    height: 500px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    border: 3px solid var(--white);
}

.floating-screenshot {
    width: 200px;
    height: 350px;
    left: -20px;
    top: 20px;
    z-index: 2;
    opacity: 0.8;
    transform: rotate(-5deg);
    border: 2px solid var(--white);
}

.floating-screenshot-2 {
    width: 200px;
    height: 350px;
    right: -20px;
    bottom: 20px;
    z-index: 2;
    opacity: 0.8;
    transform: rotate(5deg);
    border: 2px solid var(--white);
}

.screenshot:hover {
    transform: translate(-50%, -50%) scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.floating-screenshot:hover {
    transform: rotate(-5deg) scale(1.05);
}

.floating-screenshot-2:hover {
    transform: rotate(5deg) scale(1.05);
}

/* Screenshots Gallery Section */
.screenshots-gallery {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.screenshot-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 9/16;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.screenshot-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.screenshot-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
}

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

.screenshot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: all 0.3s ease;
}

.screenshot-item:hover .screenshot-overlay {
    transform: translateY(0);
}

.screenshot-overlay h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--white);
}

.screenshot-overlay p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 0;
}