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

:root {
    --primary-color: #66CC33;
    --primary-dark: #4a9a24;
    --secondary-color: #5bb82e;
    --accent-color: #7dd444;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-light: #FFFFFF;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F7;
    --bg-dark: #1D1D1F;
    --border-color: #D2D2D7;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.12);
    --gradient-primary: linear-gradient(135deg, #66CC33 0%, #4a9a24 100%);
    --gradient-secondary: linear-gradient(135deg, #7dd444 0%, #5bb82e 100%);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Ensure all images display properly */
img {
    max-width: 100%;
    height: auto;
    opacity: 1;
    display: block;
    background: transparent;
    border: none;
    outline: none;
}

/* Prevent image flickering during load */
img[src] {
    opacity: 1 !important;
}

/* Specific fixes for app images */
.logo, .footer-logo, .app-icon-large, .app-preview, .screenshot-image {
    opacity: 1 !important;
    transition: none !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #F5F5F7 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(102, 204, 51, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(74, 154, 36, 0.1) 0%, transparent 50%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="iphone-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(102,204,51,0.03)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23iphone-grid)"/></svg>');
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 2rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    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: var(--transition);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(102, 204, 51, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 204, 51, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(102, 204, 51, 0.1);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 204, 51, 0.2);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: #1a1a1a;
    border-radius: 50px;
    padding: 25px 20px;
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
    border: 2px solid #333;
}

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

.phone-frame {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid #333;
    border-radius: 50px;
    pointer-events: none;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 30px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}

.phone-frame::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 4px;
    background: #333;
    border-radius: 2px;
    z-index: 10;
}

.app-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 35px;
    opacity: 1;
    transition: none;
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--text-light);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Screenshots Gallery Section */
.screenshots {
    padding: 8rem 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.screenshots::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(0, 122, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(88, 86, 214, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.screenshots-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.screenshot-item {
    perspective: 1000px;
}

.screenshot-mockup {
    position: relative;
    background: #1a1a1a;
    border-radius: 50px;
    padding: 25px 20px;
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid #333;
}

.screenshot-mockup::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 30px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}

.screenshot-mockup::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 4px;
    background: #333;
    border-radius: 2px;
    z-index: 10;
}

.screenshot-mockup:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.screenshot-image {
    width: 100%;
    height: auto;
    border-radius: 35px;
    display: block;
    opacity: 1;
    transition: transform 0.3s ease;
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 204, 51, 0.9) 0%, rgba(74, 154, 36, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    border-radius: 35px;
}

.screenshot-mockup:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-info {
    text-align: center;
    color: var(--text-light);
    padding: 1rem;
}

.screenshot-info h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.screenshot-info p {
    font-size: 0.875rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* About Section */
.about {
    padding: 8rem 0;
    background: linear-gradient(135deg, #F8F9FA 0%, #FFFFFF 50%, #F0F4F8 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 204, 51, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(74, 154, 36, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(102, 204, 51, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    position: relative;
}

.about-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.about-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(102, 204, 51, 0.1);
    border: 1px solid rgba(102, 204, 51, 0.2);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.about-badge:hover {
    background: rgba(102, 204, 51, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 204, 51, 0.2);
}

.about-badge i {
    color: #FFD700;
    font-size: 1rem;
}

.about-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 90%;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    align-items: stretch;
}

.stat {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-large);
    transition: var(--transition);
    border: 1px solid rgba(102, 204, 51, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.stat:hover::before {
    transform: scaleX(1);
}

.stat:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(102, 204, 51, 0.15);
    background: rgba(255, 255, 255, 0.95);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    display: block;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.app-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 3rem;
}

.app-showcase::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(102, 204, 51, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.app-icon-large {
    width: 220px;
    height: 220px;
    border-radius: 50px;
    box-shadow: 
        0 10px 30px rgba(102, 204, 51, 0.15),
        0 4px 15px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: float 6s ease-in-out infinite;
    opacity: 1;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.app-icon-large:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 
        0 15px 40px rgba(102, 204, 51, 0.2),
        0 6px 20px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

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

/* App Details Section */
.app-details {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

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

.app-details-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.app-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.detail-item {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 500;
    color: var(--text-primary);
}

/* Privacy Section */
.privacy {
    padding: 4rem 0;
    background: var(--bg-primary);
}

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

.privacy-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.privacy-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.privacy-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.privacy-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.privacy-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    color: var(--text-primary);
}

.privacy-item i {
    color: var(--primary-color);
}

/* Download Section */
.download {
    padding: 8rem 0;
    background: var(--gradient-primary);
    color: var(--text-light);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download::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="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.download-content {
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: var(--text-light);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
}

.download-btn:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-heavy);
}

.download-btn-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

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

.download-btn-label {
    font-size: 0.875rem;
    opacity: 0.7;
}

.download-btn-name {
    font-size: 1.25rem;
    font-weight: 700;
}

.download-info {
    margin-top: 2rem;
}

.download-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0.8;
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-brand-name {
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-link:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .nav {
        padding: 1rem 1.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        padding: 1rem 0;
    }
    
    .hero-text {
        padding-right: 0;
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .phone-frame::before {
        width: 100px;
        height: 25px;
        top: 12px;
    }
    
    .phone-frame::after {
        width: 120px;
        bottom: 12px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }
    
    .about-title {
        font-size: 2.5rem;
    }
    
    .about-description {
        max-width: 100%;
        font-size: 1.125rem;
    }
    
    .app-showcase {
        padding: 2rem;
    }
    
    .app-icon-large {
        width: 180px;
        height: 180px;
    }
    
    .app-showcase::before {
        width: 250px;
        height: 250px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .features, .screenshots, .about, .download {
        padding: 6rem 0;
    }
    
    .screenshots-gallery {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .app-details-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .download-btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .download-btn-content {
        gap: 0.75rem;
    }
    
    .download-btn i {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav {
        padding: 1rem;
    }
    
    .hero {
        padding: 6rem 0 2rem;
    }
    
    .hero-content {
        padding: 0.5rem 0;
    }
    
    .hero-text {
        padding: 0 0.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .phone-frame::before {
        width: 80px;
        height: 20px;
        top: 10px;
    }
    
    .phone-frame::after {
        width: 100px;
        bottom: 10px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .about-title {
        font-size: 2rem;
    }
    
    .app-icon-large {
        width: 150px;
        height: 150px;
    }
    
    .app-showcase::before {
        width: 200px;
        height: 200px;
    }
    
    .stat {
        padding: 1.5rem 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .features, .screenshots, .about, .download {
        padding: 4rem 0;
    }
    
    .screenshots-gallery {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .screenshot-mockup {
        padding: 20px 15px;
        border-radius: 40px;
    }
    
    .screenshot-mockup::before {
        width: 100px;
        height: 25px;
        top: 12px;
    }
    
    .screenshot-mockup::after {
        width: 120px;
        bottom: 12px;
    }
    
    .screenshot-image {
        border-radius: 30px;
    }
    
    .screenshot-overlay {
        border-radius: 30px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.hero-text {
    padding-right: 2rem;
}

.hero-text,
.hero-image,
.feature-card,
.about-text,
.about-image {
    animation: fadeInUp 0.8s ease-out;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}