:root {
    --primary: #17a2b8;
    --gradient-start: #0a1a2a;
    --gradient-end: #0d3a4f;
    --card-bg: rgba(33, 37, 41, 0.7);
}

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

.main-body {
    font-family: "Inter", sans-serif;
    background: linear-gradient( 135deg, var(--gradient-start), var(--gradient-end) );
    color: #fff;
    overflow-x: hidden;
}

/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

    .navbar.scrolled {
        background: rgba(10, 26, 42, 0.95);
        backdrop-filter: blur(10px);
    }

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

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

.nav-link {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(23, 162, 184, 0.3);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 6rem 2rem;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
@media (max-width: 500px) {
    .hero{
        
    }
    .hero-content {
        margin: 50px auto;
    }
}

.hero-text {
    z-index: 1;
}

.hero-title {
    font-size: 6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-cards {
    position: relative;
    height: 400px;
}

.payment-card {
    position: absolute;
    width: 400px;
    height: 250px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
    transform: perspective(1000px);
}

.card-1 {
    top: 0;
    right: 0;
    background: var(--bs-info);
}

.card-2 {
    top: 100px;
    right: 50px;
    background: #2a3f50;
}

.card-3 {
    top: 200px;
    right: 100px;
    background: #1f2937;
}

/* Features Section */
.features {
    padding: 8rem 2rem;
    background: #000;
    position: relative;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(23, 162, 184, 0.2);
    }

.feature-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Stats Section */
.stats {
    padding: 6rem 2rem;
    background: linear-gradient( 45deg, var(--gradient-start), var(--gradient-end) );
    position: relative;
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Particles */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    pointer-events: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-cards {
        display: none;
    }

    .hero-title {
        font-size: 3rem;
    }
}

.image-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: auto;
}

.image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

    .image.active {
        opacity: 1;
    }

#features {
    min-height: 100vh;
    color: white;
    overflow: hidden;
    position: relative;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    color: #17a2b8;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
}

.section-description {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    opacity: 0;
    transform: translateY(30px);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.device-showcase {
    position: relative;
    height: 500px;
    width: 100%;
}

.device-image {
    position: absolute;
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.5s ease-in-out;
}

    .device-image.active {
        opacity: 1;
        transform: translateY(0);
    }

    .device-image:nth-child(1) {
        top: 0;
        left: 0;
        z-index: 2;
    }

    .device-image:nth-child(2) {
        top: 100px;
        left: 100px;
        z-index: 1;
    }

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-item {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    position: relative;
    opacity: 0;
    transform: translateX(50px);
}

    .feature-item::before {
        content: "→";
        position: absolute;
        left: 0;
        color: #17a2b8;
        font-weight: bold;
    }