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

body {
    font-family: 'Arial', sans-serif;
    background-color: #000000;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background-color: #000000;
    padding: 1rem 0;
    border-bottom: 1px solid #333;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.nav-logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #b8eba2;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.35rem;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: 1px solid #333;
    border-radius: 6px;
    cursor: pointer;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.nav-toggle:hover,
.nav-toggle:focus {
    border-color: #b8eba2;
    outline: none;
}

.nav-toggle[aria-expanded="true"] {
    background-color: rgba(184, 235, 162, 0.1);
    border-color: #b8eba2;
}

.nav-toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    background-color: #fff;
    transition: transform 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child {
    transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child {
    transform: translateY(-6px) rotate(-45deg);
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding-top: 0.3rem;
}

.nav-link:hover {
    color: #b8eba2;
}

.lang-toggle {
    background-color: transparent;
    color: #ffffff;
    border: 1px solid #333;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-toggle:hover {
    background-color: #b8eba2;
    color: #000000;
    border-color: #b8eba2;
}

/* Main Content */
.main-content {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 4rem;
}

.hero-section {
    text-align: center;
    max-width: 800px;
    padding: 2rem;
    margin: 0 auto;
}

.logo {
    width: 100%;
    max-width: 500px;
    min-width: 200px;
    height: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 10px 30px rgba(184, 235, 162, 0.3));
}

.tagline {
    font-size: clamp(2.2rem, 5vw, 3rem);
    font-weight: 300;
    margin-bottom: 1rem;
    color: #b8eba2;
}

.description {
    font-size: clamp(1rem, 3.2vw, 1.2rem);
    color: #cccccc;
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: calc(100% + 0.75rem);
        right: 1rem;
        left: 1rem;
        padding: 1.25rem;
        border-radius: 10px;
        border: 1px solid #333;
        background: rgba(0, 0, 0, 0.95);
        box-shadow: 0 15px 45px rgba(0, 0, 0, 0.45);
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        visibility: hidden;
        opacity: 0;
        transform: translateY(-10px);
        pointer-events: none;
    }

    .nav-menu.open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav-link {
        font-size: 0.95rem;
        padding: 0.6rem 0.75rem;
        border-radius: 6px;
        border: 1px solid transparent;
        display: block;
    }

    .nav-link:hover {
        border-color: #333;
        background-color: rgba(184, 235, 162, 0.1);
    }

    .nav-menu .lang-toggle {
        width: 100%;
        justify-content: center;
    }

    .main-content {
        padding: 100px 1.5rem 3rem;
    }

    .hero-section {
        padding: 1.5rem 1rem 2rem;
    }

    .description {
        padding: 0 0.5rem;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        font-size: 1.5rem;
    }

    .main-content {
        padding: 90px 1rem 2.5rem;
    }

    .hero-section {
        padding: 1.5rem 0.75rem 2rem;
    }
}