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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: #e0e0e0;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header and Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 15, 35, 0.5);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(100, 200, 255, 0.2);
    animation: slideDown 1s ease-out;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-nav {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #64c8ff, #4a90e2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    margin-right: 1rem;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #e0e0e0;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #64c8ff;
    transition: width 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: #64c8ff;
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

.lang-switcher button {
    background: none;
    border: 1px solid #64c8ff;
    color: #64c8ff;
    padding: 0.5rem 0.8rem;
    margin-left: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.lang-switcher button.active {
    background: #64c8ff;
    color: #1a1a2e;
}

.lang-switcher button:hover:not(.active) {
    background: rgba(100, 200, 255, 0.2);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 8rem 2rem 6rem;
    background: transparent;
}

.logo {
    width: 140px;
    height: 140px;
    margin: 0 auto 3rem;
    background: linear-gradient(135deg, #64c8ff, #4a90e2, #357abd);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 3s ease-in-out infinite;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 50px rgba(100, 200, 255, 0.3);
}

h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #64c8ff, #ffffff, #4a90e2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(100, 200, 255, 0.3);
}

.subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    color: #b0b0b0;
    margin-bottom: 2.5rem;
}

.description {
    font-size: 1.3rem;
    line-height: 1.8;
    color: #c0c0c0;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.contact-btn {
    display: inline-block;
    padding: 20px 50px;
    background: linear-gradient(135deg, #64c8ff, #4a90e2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.2rem;
    transition: all 0.4s ease;
    box-shadow: 0 15px 35px rgba(100, 200, 255, 0.3);
    border: 2px solid rgba(100, 200, 255, 0.3);
}

.contact-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(100, 200, 255, 0.5);
}

/* Detailed Features Section */
.detailed-features {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    color: #ffffff;
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.feature-row.reverse {
    grid-template-columns: 1fr 1fr;
}

.feature-row.reverse .feature-image {
    order: 2;
}

.feature-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transition: transform 0.4s ease;
}

.feature-image:hover {
    transform: scale(1.05);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-text h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: #64c8ff;
}

.feature-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #c0c0c0;
    margin-bottom: 2rem;
}

.feature-link {
    display: inline-block;
    color: #64c8ff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.feature-link:hover {
    color: #ffffff;
}

/* Responsive Design */
@media (max-width: 992px) {
    .feature-row, .feature-row.reverse {
        grid-template-columns: 1fr;
    }

    .feature-row.reverse .feature-image {
        order: 1;
    }

    .feature-text {
        text-align: center;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 3.5rem;
    }

    .subtitle {
        font-size: 1.5rem;
    }

    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
}