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

:root {
    --bg-primary: #e8f4f8;
    --bg-secondary: #f5f9fb;
    --text-primary: #2c3e50;
    --text-secondary: #5a6c7d;
    --accent-1: #a8e6cf;
    --accent-2: #7ec8e3;
    --accent-3: #c4b5fd;
    --white: #ffffff;
    --shadow-light: #ffffff;
    --shadow-dark: rgba(174, 174, 192, 0.4);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navbar */
.navbar {
    background: var(--bg-primary);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(174, 174, 192, 0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

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

.nav-links a:hover {
    color: var(--accent-2);
}

/* Hero Section */
.hero {
    padding: 80px 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent-2), var(--accent-1));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.btn {
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-2), var(--accent-1));
    color: white;
    box-shadow: 0 8px 20px rgba(126, 200, 227, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(126, 200, 227, 0.4);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light);
}

.btn-secondary:hover {
    box-shadow: 4px 4px 8px var(--shadow-dark),
                -4px -4px 8px var(--shadow-light);
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-2);
    margin-bottom: 5px;
}

.stat-item p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Phone Mockup */
.phone-mockup {
    width: 300px;
    height: 600px;
    background: var(--bg-primary);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 20px 20px 40px var(--shadow-dark),
                -20px -20px 40px var(--shadow-light);
    margin: 0 auto;
    animation: float 6s ease-in-out infinite;
}

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

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f9fb, #e8f4f8);
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    padding: 20px;
}

.preview-header {
    text-align: center;
    padding: 10px 0;
    font-size: 12px;
    color: var(--text-secondary);
}

.preview-content {
    margin-top: 40px;
}

.preview-content h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.preview-content > p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.preview-card {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light);
}

.card-icon {
    font-size: 32px;
}

.card-info h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.card-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 30px;
    box-shadow: 12px 12px 24px var(--shadow-dark),
                -12px -12px 24px var(--shadow-light);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 16px 16px 32px var(--shadow-dark),
                -16px -16px 32px var(--shadow-light);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
}

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

.testimonial-card {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 30px;
    box-shadow: 12px 12px 24px var(--shadow-dark),
                -12px -12px 24px var(--shadow-light);
}

.stars {
    color: #ffd700;
    font-size: 20px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: var(--text-secondary);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 20px;
}

.author-info h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.author-info p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.download-text h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.download-text p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: 8px 8px 16px var(--shadow-dark),
                -8px -8px 16px var(--shadow-light);
    transition: all 0.3s;
    max-width: 250px;
}

.store-button:hover {
    transform: translateX(5px);
    box-shadow: 12px 12px 24px var(--shadow-dark),
                -12px -12px 24px var(--shadow-light);
}

.store-button div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.store-button small {
    font-size: 11px;
    color: var(--text-secondary);
}

.store-button strong {
    font-size: 16px;
}

/* Floating Cards */
.download-image {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--bg-secondary);
    padding: 20px 24px;
    border-radius: 20px;
    box-shadow: 12px 12px 24px var(--shadow-dark),
                -12px -12px 24px var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: floatCard 4s ease-in-out infinite;
}

.card-1 {
    top: 20px;
    left: 50px;
    animation-delay: 0s;
}

.card-2 {
    top: 150px;
    right: 30px;
    animation-delay: 1s;
}

.card-3 {
    bottom: 50px;
    left: 80px;
    animation-delay: 2s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.mini-icon {
    font-size: 28px;
}

.floating-card h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.floating-card p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 16px;
    color: var(--text-secondary);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--accent-2);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(174, 174, 192, 0.2);
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content,
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .download-image {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 32px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .nav-links {
        display: none;
    }
    
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}