:root {
    --primary: #007AFF;
    --primary-hover: #0056b3;
    --accent: #5AC8FA;
    --bg-dark: #0a0a0c;
    --bg-darker: #050507;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-main: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Navigation --- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
}

.lang-switch {
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem !important;
    text-transform: uppercase;
}

.lang-switch:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-muted);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: var(--nav-height);
    background: radial-gradient(circle at top right, rgba(0, 122, 255, 0.1), transparent),
                radial-gradient(circle at bottom left, rgba(90, 200, 250, 0.05), transparent);
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
    z-index: 10;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -1.5px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Shared Components --- */
.section {
    padding: 100px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 60px;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 122, 255, 0.3);
    background: var(--primary-hover);
}

.glass-card {
    background: var(--glass);
    padding: 40px;
    border-radius: 30px;
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
}

/* --- Footer --- */
footer {
    background: var(--bg-darker);
    padding: 80px 5% 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-info p {
    color: var(--text-secondary);
    max-width: 350px;
}

.footer-section h4 {
    margin-bottom: 25px;
    color: var(--primary);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    text-decoration: none;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--text-main);
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate {
    animation: fadeIn 1s ease-out forwards;
}

/* --- Utilities --- */
.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }

/* --- Mobile Navigation --- */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-main);
    transition: 0.3s;
}

@media (max-width: 900px) {
    :root {
        --nav-height: 70px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(10, 10, 12, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        z-index: 1000;
        gap: 40px;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .section {
        padding: 60px 4%;
    }

    .section-title {
        font-size: 2rem;
    }

    .glass-card {
        padding: 30px 20px;
    }

    .glass-card div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }

    .hero {
        height: auto;
        min-height: 80vh;
        padding-top: calc(var(--nav-height) + 40px);
        padding-bottom: 60px;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .hero-actions {
        display: flex;
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .hero-actions .cta-button {
        margin-left: 0 !important;
        width: 100%;
        max-width: 300px;
    }

    /* Table Responsiveness */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    th, td {
        padding: 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}