:root {
    --bg-color: #0a0a0a;
    --text-color: #f0f0f0;
    --accent-color: #C0A062; /* Gold */
    --secondary-bg: #1f1f1f;
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --transition-speed: 0.3s;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
    letter-spacing: 4px;
}

.lang-switch {
    display: flex;
    gap: 10px;
    align-items: center;
}

.lang-btn {
    padding: 8px 16px;
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all var(--transition-speed);
    border-radius: 3px;
}

.lang-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.lang-btn.active {
    background-color: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-speed);
}

nav a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: url('assets/hero.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s forwards 0.5s;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #ccc;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s forwards 0.8s;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    background-color: var(--accent-color);
    color: #000;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 2px solid var(--accent-color);
    transition: all var(--transition-speed);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s forwards 1.1s;
}

.btn:hover {
    background-color: transparent;
    color: var(--accent-color);
}

/* Sections */
section {
    padding: 100px 50px;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 60px;
    color: var(--accent-color);
}

/* About Preview */
.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 30px;
    color: #aaa;
}

.about-image img {
    border-radius: 5px;
    filter: grayscale(100%);
    transition: filter var(--transition-speed);
}

.about-image img:hover {
    filter: grayscale(0%);
}

/* Services Preview */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--secondary-bg);
    padding: 40px;
    text-align: center;
    transition: transform var(--transition-speed);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.service-card p {
    color: #aaa;
}

/* Footer */
footer {
    background-color: #000;
    padding: 50px;
    text-align: center;
    border-top: 1px solid #333;
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    margin: 0 15px;
    color: #888;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.copyright {
    color: #555;
    font-size: 12px;
}

/* Animations */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 20px;
    }

    .menu-toggle {
        display: block;
    }

    nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--bg-color);
        padding: 20px;
        transform: translateY(-150%);
        transition: transform var(--transition-speed);
    }

    nav.active {
        transform: translateY(0);
    }

    nav ul {
        flex-direction: column;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .about-preview {
        grid-template-columns: 1fr;
    }

    section {
        padding: 60px 20px;
    }
}