:root {
    --bg-deep: #F8FAFC;
    --bg-card: #FFFFFF;
    --primary-orange: #F59E0B;
    --text-white: #1E293B;
    --text-gray: #64748B;
    --border: #E2E8F0;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

nav {
    padding: 1.2rem 8%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-white);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
        backdrop-filter: blur(20px);
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }
}

.logo {
    font-weight: 800;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-white);
}

.logo i {
    color: var(--primary-orange);
}

.container {
    max-width: 900px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.main-card {
    padding: 4rem;
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.card {
    background: white;
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

h1 {
    font-size: clamp(2rem, 8vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text-white);
}

@media (max-width: 600px) {
    .container {
        margin: 2rem auto;
        padding: 0 1rem;
    }
    
    .main-card {
        padding: 2rem;
        border-radius: 0;
        border: none;
    }
}

h2 {
    color: var(--primary-orange);
    margin: 2rem 0 1rem;
    font-weight: 700;
}

p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

/* Language Selector */
.lang-selector {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    list-style: none;
}

.lang-btn {
    cursor: pointer;
    transition: opacity 0.3s;
}

.lang-btn.active {
    opacity: 1;
}

.lang-btn.inactive {
    opacity: 0.5;
}

.lang-separator {
    opacity: 0.3;
    color: var(--text-white);
}