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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: #e5e7eb;
    background: #0f172a;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #60a5fa;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: #e5e7eb;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #60a5fa;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    padding: 8rem 2rem 4rem;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-primary {
    background: #60a5fa;
    color: white;
}

.btn-primary:hover {
    background: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(96, 165, 250, 0.3);
}

.btn-store {
    background: #60a5fa;
    color: white;
}

.btn-store:hover {
    background: #3b82f6;
    transform: translateY(-2px);
}

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

/* App Section */
.app-section {
    padding: 8rem 0;
    background: #1e293b;
}

.app-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.app-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.app-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 0.5rem;
}

.app-subtitle {
    font-size: 1.25rem;
    color: #60a5fa;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.app-description {
    font-size: 1.125rem;
    color: #cbd5e1;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.feature-list li {
    padding: 0.75rem 0;
    font-size: 1rem;
    color: #e5e7eb;
    position: relative;
    padding-left: 1.75rem;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #60a5fa;
    font-weight: 700;
}

/* Contact Section */
.contact-section {
    padding: 8rem 0;
    text-align: center;
    background: #0f172a;
}

.contact-section h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #f8fafc;
}

.contact-section p {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: #020617;
    color: #64748b;
    padding: 3rem 0;
    text-align: center;
}

.footer p {
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero {
        padding: 6rem 1.5rem 3rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.125rem;
    }

    .app-showcase {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .app-image img {
        margin: 0 auto;
    }

    .app-info h2 {
        font-size: 2rem;
    }

    .contact-section h2 {
        font-size: 2rem;
    }

    .feature-list li {
        text-align: left;
    }
}

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