:root {
    /* Soft Modern Aviation Palette */
    --midnight-navy: #101A2B;
    --aviation-graphite: #202A36;
    --cloud-white: #F5F7F8;
    --frosted-silver: #DCE3E8;
    --runway-slate: #687684;
    --aero-teal: #3C7C82;
    --signal-copper: #B87855;
    --cabin-sand: #D7C7AF;
    --mist-blue: #B9CBD2;
    --deep-horizon: #0A111D;

    /* Spacing & Typography */
    --font-primary: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    --container-max: 1200px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 0.3s ease;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    lang: en;
}

body {
    font-family: var(--font-primary);
    background-color: var(--cloud-white);
    color: var(--aviation-graphite);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a {
    color: var(--aero-teal);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--signal-copper);
}

ul {
    list-style: none;
}

:focus-visible {
    outline: 2px solid var(--signal-copper);
    outline-offset: 4px;
}

/* Utility */
[hidden] {
    display: none !important;
}

/* Header */
.site-header {
    background-color: var(--cloud-white);
    border-bottom: 1px solid var(--frosted-silver);
    position: relative; /* Specifically requested NOT to be sticky */
    z-index: 100;
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--midnight-navy);
    font-size: 1.125rem;
    letter-spacing: -0.02em;
}

.brand-logo svg {
    color: var(--aero-teal);
}

.site-nav {
    display: flex;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-list a {
    color: var(--runway-slate);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-list a:hover,
.nav-list a.is-active {
    color: var(--midnight-navy);
}

.nav-cta {
    background-color: var(--aero-teal);
    color: white !important;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-cta:hover {
    background-color: var(--midnight-navy);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--midnight-navy);
    margin: 5px 0;
    transition: transform var(--transition), opacity var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--signal-copper);
    color: white;
}

.btn-secondary {
    background-color: var(--frosted-silver);
    color: var(--midnight-navy);
}

.btn-secondary:hover {
    background-color: var(--runway-slate);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--runway-slate);
    color: var(--midnight-navy);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* Hero Section */
.hero-section {
    background-color: var(--mist-blue);
    padding: 64px 24px;
    border-bottom: 1px solid var(--frosted-silver);
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-kicker {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--signal-copper);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.hero-headline {
    font-size: 3rem;
    line-height: 1.1;
    color: var(--midnight-navy);
    margin-bottom: 24px;
    overflow-wrap: anywhere;
}

.hero-subheadline {
    font-size: 1.125rem;
    color: var(--aviation-graphite);
    margin-bottom: 32px;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.operational-metadata {
    display: flex;
    gap: 32px;
    border-top: 1px solid rgba(255,255,255,0.4);
    padding-top: 24px;
}

.metadata-item {
    display: flex;
    flex-direction: column;
}

.metadata-label {
    font-size: 0.75rem;
    color: var(--runway-slate);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metadata-value {
    font-weight: 600;
    color: var(--midnight-navy);
}

.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(10, 17, 29, 0.1);
}

.hero-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.runway-lines {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
}

.runway-line {
    width: 32px;
    height: 4px;
    background-color: var(--signal-copper);
    opacity: 0.8;
}

/* Services Section (Cards) */
.services-section {
    padding: 80px 24px;
    max-width: var(--container-max);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.25rem;
    color: var(--midnight-navy);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--runway-slate);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

/* Glass Card Architecture */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(10, 17, 29, 0.04);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(10, 17, 29, 0.08);
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.glass-card:hover .card-image-wrapper img {
    transform: scale(1.03);
}

.category-marker {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(16, 26, 43, 0.85);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.25rem;
    color: var(--midnight-navy);
    margin-bottom: 8px;
}

.card-metadata {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--aero-teal);
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    font-weight: 600;
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--aviation-graphite);
    margin-bottom: 24px;
    flex-grow: 1;
}

.card-cta {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--midnight-navy);
    display: inline-flex;
    align-items: center;
}

.card-cta:hover {
    color: var(--signal-copper);
}

/* Service Page Layout */
.service-page {
    flex-grow: 1;
}

.service-hero {
    background-color: var(--midnight-navy);
    color: white;
    padding: 64px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-hero-content {
    max-width: 800px;
    text-align: center;
    margin-bottom: 40px;
}

.service-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--cloud-white);
}

.service-intro {
    font-size: 1.125rem;
    color: var(--mist-blue);
}

.service-hero-image {
    max-width: var(--container-max);
    width: 100%;
    margin: 0 auto -100px auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 16px 32px rgba(10, 17, 29, 0.3);
    position: relative;
    z-index: 10;
}

.service-hero-image img {
    width: 100%;
    aspect-ratio: 21/9;
    object-fit: cover;
}

.service-body {
    max-width: var(--container-max);
    margin: 140px auto 80px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 64px;
}

.service-main-content h2 {
    font-size: 1.75rem;
    color: var(--midnight-navy);
    margin: 40px 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--frosted-silver);
}

.service-main-content h2:first-child {
    margin-top: 0;
}

.service-main-content p {
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.service-main-content ul {
    margin: 16px 0 24px 24px;
    list-style: disc;
}

.service-main-content li {
    margin-bottom: 8px;
    padding-left: 8px;
}

.service-cta-box {
    background-color: var(--mist-blue);
    padding: 32px;
    border-radius: var(--radius-lg);
    margin-top: 48px;
    text-align: center;
}

.service-cta-box h3 {
    color: var(--midnight-navy);
    margin-bottom: 8px;
}

.service-cta-box p {
    margin-bottom: 24px;
    color: var(--aviation-graphite);
}

/* Sidebar */
.service-sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sidebar-card {
    background-color: var(--cloud-white);
    border: 1px solid var(--frosted-silver);
    padding: 24px;
    border-radius: var(--radius-lg);
}

.sidebar-card h3 {
    font-size: 1.1rem;
    color: var(--midnight-navy);
    margin-bottom: 16px;
}

.sidebar-card ul {
    list-style: none;
    margin: 0;
}

.sidebar-card li {
    padding: 8px 0;
    border-bottom: 1px solid var(--frosted-silver);
    font-size: 0.95rem;
}

.sidebar-card li:last-child {
    border-bottom: none;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-links h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.sidebar-link {
    display: block;
    padding: 12px;
    background-color: var(--cloud-white);
    border: 1px solid var(--frosted-silver);
    border-radius: var(--radius-md);
    color: var(--midnight-navy);
    font-weight: 500;
}

.sidebar-link:hover {
    background-color: var(--mist-blue);
    border-color: var(--aero-teal);
}

/* CTA Banner */
.cta-banner {
    background-color: var(--deep-horizon);
    color: white;
    text-align: center;
    padding: 80px 24px;
}

.cta-container {
    max-width: 600px;
    margin: 0 auto;
}

.cta-container h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-container p {
    color: var(--mist-blue);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

/* Legal Pages */
.legal-page {
    padding: 80px 24px;
    max-width: 800px;
    margin: 0 auto;
    flex-grow: 1;
}

.legal-page h1 {
    font-size: 2.5rem;
    color: var(--midnight-navy);
    margin-bottom: 8px;
}

.last-updated {
    font-size: 0.9rem;
    color: var(--runway-slate);
    margin-bottom: 40px;
}

.legal-page h2 {
    font-size: 1.5rem;
    margin: 32px 0 16px 0;
    color: var(--midnight-navy);
}

.legal-page p {
    margin-bottom: 16px;
}

.legal-page ul {
    margin: 0 0 24px 24px;
    list-style: disc;
}

.legal-page li {
    margin-bottom: 8px;
}

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

.cookie-table th, .cookie-table td {
    padding: 12px;
    border: 1px solid var(--frosted-silver);
    text-align: left;
}

.cookie-table th {
    background-color: var(--mist-blue);
    color: var(--midnight-navy);
}

.table-responsive {
    overflow-x: auto;
}

/* Contact Page */
.contact-section {
    padding: 80px 24px;
    max-width: var(--container-max);
    margin: 0 auto;
    flex-grow: 1;
}

.contact-header {
    text-align: center;
    margin-bottom: 64px;
}

.contact-header h1 {
    font-size: 2.5rem;
    color: var(--midnight-navy);
    margin-bottom: 16px;
}

.contact-header p {
    font-size: 1.125rem;
    color: var(--runway-slate);
}

.contact-layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 48px;
}

.contact-form {
    background-color: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 24px rgba(10, 17, 29, 0.05);
    border: 1px solid var(--frosted-silver);
}

.form-group {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
}

.form-row {
    display: flex;
    gap: 24px;
}

.half-width {
    flex: 1;
}

label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--midnight-navy);
    font-size: 0.95rem;
}

input, select, textarea {
    padding: 12px 16px;
    border: 1px solid var(--runway-slate);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition);
    background-color: var(--cloud-white);
    min-width: 0;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--aero-teal);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(60, 124, 130, 0.2);
}

.error-message {
    color: #D32F2F;
    font-size: 0.85rem;
    margin-top: 4px;
    display: none;
}

.form-group.is-invalid input,
.form-group.is-invalid select,
.form-group.is-invalid textarea {
    border-color: #D32F2F;
}

.form-group.is-invalid .error-message {
    display: block;
}

.submit-btn {
    width: 100%;
    margin-top: 16px;
}

.form-success-message {
    margin-top: 24px;
    padding: 16px;
    background-color: #E8F5E9;
    border: 1px solid #81C784;
    border-radius: var(--radius-md);
    color: #2E7D32;
    text-align: center;
}

.form-success-message.is-visible {
    display: block !important;
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.info-card {
    background-color: var(--mist-blue);
    padding: 32px;
    border-radius: var(--radius-lg);
}

.info-card h3 {
    margin-bottom: 12px;
    color: var(--midnight-navy);
}

.info-card p {
    margin-bottom: 24px;
}

.contact-details-list li {
    margin-bottom: 12px;
}

.contact-details-list strong {
    display: block;
    font-size: 0.85rem;
    color: var(--runway-slate);
    text-transform: uppercase;
}

.location-block {
    background-color: white;
    border: 1px solid var(--frosted-silver);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
}

.location-visual {
    width: 100%;
    max-width: 200px;
    margin: 0 auto 24px auto;
}

.location-block h3 {
    color: var(--midnight-navy);
    margin-bottom: 8px;
}

.location-block address {
    font-style: normal;
    color: var(--aviation-graphite);
    line-height: 1.8;
}

/* Footer */
.site-footer {
    background-color: var(--midnight-navy);
    color: var(--cloud-white);
    padding: 64px 24px 24px 24px;
    margin-top: auto;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
    flex: 1;
    min-width: 280px;
}

.footer-logo {
    display: inline-block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cloud-white);
    margin-bottom: 16px;
    text-decoration: none;
}

a.footer-logo:hover {
    color: var(--signal-copper);
}

.footer-company {
    color: var(--cloud-white);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 16px;
    overflow-wrap: anywhere;
    opacity: 0.9;
}

.footer-email, .footer-domain {
    display: block;
    color: var(--mist-blue);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.footer-domain {
    color: var(--cloud-white);
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 600;
}

.footer-domain:hover, .footer-email:hover {
    color: var(--signal-copper);
}

.footer-links {
    display: flex;
    gap: 64px;
    flex-wrap: wrap;
}

.footer-column h4 {
    color: var(--cloud-white);
    font-size: 1rem;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-column a {
    color: var(--mist-blue);
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--signal-copper);
}

.footer-bottom {
    max-width: var(--container-max);
    margin: 24px auto 0 auto;
    text-align: center;
    font-size: 0.9rem;
    color: var(--mist-blue);
    opacity: 0.8;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: white;
    border-top: 1px solid var(--frosted-silver);
    padding: 24px;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.1);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.cookie-banner.is-visible {
    transform: translateY(0);
}

.cookie-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--midnight-navy);
}

.cookie-content p {
    font-size: 0.9rem;
    color: var(--aviation-graphite);
}

.cookie-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

/* Responsive Engineering */

@media (max-width: 992px) {
    .service-body {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
    }

    .operational-metadata {
        justify-content: center;
    }

    .hero-visual {
        box-shadow: 0 10px 20px rgba(10, 17, 29, 0.05);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .site-nav {
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background-color: var(--cloud-white);
        border-bottom: 1px solid var(--frosted-silver);
        padding: 24px;
        flex-direction: column;
        align-items: flex-start;
        display: none; /* Hidden by default via JS class toggle */
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }
    
    .site-nav.is-open {
        display: flex;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
        gap: 16px;
    }
    
    .nav-list a {
        display: block;
        width: 100%;
        padding: 8px 0;
    }
    
    .cookie-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .service-hero-image {
        margin-bottom: -40px;
    }

    .service-body {
        margin-top: 80px;
    }
}

@media (max-width: 399px) {
    .hero-section, .services-section, .service-hero, .service-body, .legal-page, .contact-section {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .hero-headline {
        font-size: 2.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .operational-metadata {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .contact-form {
        padding: 24px 16px;
    }

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }

    .service-hero h1 {
        font-size: 2rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}