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

:root {
    --primary: #0a0a0a;
    --secondary: #1a1a1a;
    --accent: #ffd700;
    --accent-dark: #ccac00;
    --text-light: #ffffff;
    --text-dark: #1a1a1a;
    --bg-dark: #0f0f0f;
    --bg-light: #f5f5f5;
    --border: #2a2a2a;
}

body {
    font-family: 'Oswald', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--primary);
    z-index: 1000;
    border-bottom: 2px solid var(--accent);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 55px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.nav-menu a:hover {
    color: var(--accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--accent);
}

.hero {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--primary), var(--bg-dark));
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 150px 20px 100px;
    color: var(--text-light);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: #ccc;
    margin-bottom: 3rem;
}

.hero-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.btn {
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary,
.btn-secondary,
.btn-outline {
    background: var(--accent);
    color: var(--primary);
}

.btn-primary:hover,
.btn-secondary:hover,
.btn-outline:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.section {
    padding: 150px 20px 120px;
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: #555;
    margin-bottom: 3rem;
}

.aircraft-grid {
    display: grid;
    grid-template-columns: 1fr;
    margin-bottom: 5rem;
}

.aircraft-card {
    background: white;
    padding: 3rem;
    border-radius: 6px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.aircraft-info ul {
    list-style: none;
    margin: 2rem 0;
}

.aircraft-info li {
    margin-bottom: 0.8rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.feature {
    background: white;
    padding: 3rem;
    text-align: center;
    border-radius: 6px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: var(--accent-dark);
}

.systems-grid,
.tech-content,
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.system-card,
.tech-item,
.value {
    background: white;
    padding: 3rem;
    border-radius: 6px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.contact-content {
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

.contact-form {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    background: white;
    padding: 2rem;
    border-left: 5px solid var(--accent);
    border-radius: 6px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.footer {
    background: var(--primary);
    color: var(--text-light);
    padding: 3rem 0;
    text-align: center;
    border-top: 2px solid var(--accent);
}

.footer-logo img {
    height: 30px;
    filter: brightness(0) invert(1);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: -100%;
        flex-direction: column;
        background: var(--primary);
        width: 100%;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .contact-content {
        flex-direction: column;
    }

    .form-row {
        flex-direction: column;
    }
}