:root {
    --bg-color: #020617; /* Deep Navy */
    --surface: #0f172a;
    --border: #1e293b;
    --primary: #38bdf8;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}

.logo img {
    width: 32px;
    height: 32px;
    border-radius: 4px;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.2s;
}

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

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    background: var(--surface);
    padding: 4px;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.lang-switcher button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.lang-switcher button.active, .lang-switcher button:hover {
    background: var(--border);
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 10rem 2rem 6rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
}

/* Products Section */
.products-section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2.5rem;
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.card-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.badge {
    font-size: 0.7rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--primary);
    padding: 4px 8px;
    border-radius: 50px;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    padding: 4rem 2rem 8rem;
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-section p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.submit-btn {
    background: var(--primary);
    color: #000;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.submit-btn:hover {
    opacity: 0.9;
}

.form-status {
    margin-top: 1rem;
    font-size: 0.9rem;
}

.form-status.success { color: #22c55e; }
.form-status.error { color: #ef4444; }

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-links a { display: none; }
    .hero h1 { font-size: 2.5rem; }
}