:root {
    --primary-color: #2EB0FF;
    --secondary-color: #0077c2;
    --text-color: #333;
    --bg-light: #f9f9f9;
    --white: #ffffff;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background: transparent;
    padding: 20px 0;
    position: absolute;
    width: 100%;
    top: 0;
    z-index: 10;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-nav {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    backdrop-filter: blur(5px);
    padding: 10px 25px;
}

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

.btn-primary {
    background-color: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    display: inline-flex;
    align-items: center;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.btn-secondary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 6px rgba(46, 176, 255, 0.3);
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    /* Main Gradient Background */
    background: linear-gradient(135deg, #2EB0FF 0%, #5C46E6 100%);
    color: var(--white);
    padding: 180px 0 100px;
    text-align: center;
    clip-path: ellipse(150% 100% at 50% 0%);
    margin-bottom: 50px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--white);
}

.features h2, .cta-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2c3e50;
}

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

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    border: 1px solid #f0f0f0;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background-color: #f8faff;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #666;
}

/* Footer */
footer {
    background-color: #f1f1f1;
    padding: 40px 0;
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 150px 0 80px;
        clip-path: ellipse(180% 100% at 50% 0%);
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
}

/* Hero Image */
.hero-image {
    margin-top: 50px;
    position: relative;
    z-index: 2;
}

.phone-mockup {
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    border: 8px solid rgba(255,255,255,0.2);
    max-width: 100%;
    transition: transform 0.5s ease;
}

.phone-mockup:hover {
    transform: scale(1.02);
}

/* Screenshots Section */
.screenshots {
    padding: 80px 0;
    background-color: #f8faff;
}

.screenshots h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2c3e50;
}

.screenshots-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    padding: 20px 0;
}

.screenshot-item {
    flex: 0 1 250px; /* Grow 0, Shrink 1, Basis 250px */
    transition: transform 0.3s ease;
    max-width: 300px;
}

.screenshot-item:hover {
    transform: translateY(-15px);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.05);
}

@media (max-width: 768px) {
    .screenshots-grid {
        gap: 20px;
    }
    
    .screenshot-item {
        flex-basis: 160px;
    }
}