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

:root {
    --navy: #0a1628;
    --dark-blue: #112240;
    --steel: #1e3a5f;
    --accent: #e07c24;
    --accent-hover: #c96a15;
    --light: #ccd6e0;
    --white: #f0f4f8;
    --text: #8892a6;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--navy);
    color: var(--light);
    line-height: 1.6;
}

/* Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
    text-transform: uppercase;
}

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

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

.mobile-menu {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--navy) 0%, var(--dark-blue) 50%, var(--steel) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(224, 124, 36, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(30, 58, 95, 0.4) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
}

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

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-secondary:hover {
    background: rgba(224, 124, 36, 0.1);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 6rem 2rem;
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 3rem;
    position: relative;
}

section h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 1rem auto 0;
}

/* Services */
.services {
    background: var(--dark-blue);
}

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--navy);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s, border-color 0.3s;
}

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

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

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

/* Fleet */
.fleet {
    background: var(--navy);
}

.placeholder-img {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    background: linear-gradient(135deg, var(--steel), var(--dark-blue));
    letter-spacing: 2px;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.6;
}

/* Featured Aircraft */
.featured-aircraft {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--dark-blue);
    border-radius: 12px;
    border: 1px solid rgba(224, 124, 36, 0.3);
    overflow: hidden;
    position: relative;
}

.featured-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--accent);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
}

.featured-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
}

.featured-image {
    min-height: 100%;
}

.featured-info {
    padding: 2.5rem;
}

.featured-info h3 {
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.featured-info > p {
    color: var(--text);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.spec {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    font-weight: 600;
}

.spec-value {
    font-size: 0.9rem;
    color: var(--light);
}

.featured-info h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.avionics-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
}

.avionics-list li {
    color: var(--text);
    font-size: 0.85rem;
    padding-left: 1.2rem;
    position: relative;
}

.avionics-list li::before {
    content: "\2713";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.featured-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Photo Gallery */
.gallery {
    display: flex;
    flex-direction: column;
    background: var(--navy);
}

.gallery-main {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-tabs {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.gallery-tab {
    flex: 1;
    padding: 0.6rem;
    background: var(--dark-blue);
    border: none;
    color: var(--text);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
}

.gallery-tab:hover {
    color: var(--white);
}

.gallery-tab.active {
    background: var(--steel);
    color: var(--accent);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3px;
    padding: 3px;
    background: var(--navy);
    max-height: 160px;
    overflow-y: auto;
}

.gallery-thumb {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s;
    border-radius: 2px;
}

.gallery-thumb:hover,
.gallery-thumb.active {
    opacity: 1;
}

/* R&D */
.rd {
    background: var(--dark-blue);
}

.rd-content {
    max-width: 900px;
    margin: 0 auto;
}

.rd-text p {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 2.5rem;
    text-align: center;
}

.rd-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rd-text h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.rd-list {
    list-style: none;
}

.rd-list li {
    padding: 0.5rem 0;
    color: var(--text);
    font-size: 0.95rem;
    padding-left: 1.5rem;
    position: relative;
}

.rd-list li::before {
    content: "\25B8";
    color: var(--accent);
    position: absolute;
    left: 0;
}

/* Contact */
.contact {
    background: var(--navy);
}

.contact-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text);
    margin-bottom: 1.5rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.contact-details strong {
    color: var(--white);
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 0.875rem 1rem;
    background: var(--dark-blue);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--light);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

.contact-form select option {
    background: var(--dark-blue);
}

.form-success {
    color: var(--accent);
    font-size: 1.1rem;
    text-align: center;
    padding: 2rem 0;
}

/* Footer */
footer {
    background: var(--dark-blue);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: var(--text);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

.copyright {
    color: var(--text);
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        padding: 1rem 2rem 2rem;
        gap: 1rem;
    }

    .mobile-menu {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    section {
        padding: 4rem 1.5rem;
    }

    section h2 {
        font-size: 2rem;
    }

    .rd-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .featured-grid {
        grid-template-columns: 1fr;
    }

    .gallery-main {
        aspect-ratio: 16 / 10;
    }

    .avionics-list {
        grid-template-columns: 1fr;
    }

    .specs-grid {
        grid-template-columns: 1fr;
    }
}