/* ============================================
   Executive Airports - Premium CSS Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    --primary-dark: #0a1628;
    --primary-navy: #1a2a4a;
    --accent-gold: #c9a962;
    --accent-gold-light: #e0c87a;
    --text-light: #ffffff;
    --text-muted: #b8c5d6;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 8px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--primary-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: #4a5568;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-gold-light);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(10, 22, 40, 0.98) 0%, rgba(26, 42, 74, 0.95) 100%);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 600;
}

.logo-text span {
    color: var(--accent-gold);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 6px;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-gold);
    background: rgba(201, 169, 98, 0.1);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 10px 20px;
    background: rgba(201, 169, 98, 0.15);
    border: 1px solid var(--accent-gold);
    border-radius: 30px;
    transition: var(--transition);
}

.nav-phone:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

/* Mobile Menu */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-light);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://images.unsplash.com/photo-1449965408869-eaa3f722e40d?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 22, 40, 0.7) 0%, rgba(26, 42, 74, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 20px 80px;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(201, 169, 98, 0.2);
    border: 1px solid var(--accent-gold);
    border-radius: 30px;
    color: var(--accent-gold);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    color: var(--text-light);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero h1 span {
    color: var(--accent-gold);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
    color: var(--primary-dark);
    box-shadow: 0 4px 20px rgba(201, 169, 98, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(201, 169, 98, 0.5);
    color: var(--primary-dark);
}

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

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--primary-dark);
}

/* Phone CTA */
.phone-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 50px;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(201, 169, 98, 0.3);
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
}

.phone-cta-text {
    color: var(--text-muted);
    font-size: 1rem;
}

.phone-cta-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: 100px 0;
}

.section-dark {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
}

.section-light {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-dark .section-header h2 {
    color: var(--text-light);
}

.section-dark .section-header p {
    color: var(--text-muted);
}

/* Gold Accent Line */
.accent-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
    margin: 20px auto;
    border-radius: 2px;
}

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

.service-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
}

.service-card h4 {
    margin-bottom: 15px;
}

.service-card p {
    font-size: 0.95rem;
    color: #666;
}

/* ============================================
   Fleet Section
   ============================================ */
.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.fleet-card {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.fleet-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

.fleet-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: #f0f4f8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fleet-image img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: var(--transition);
}

.fleet-card:hover .fleet-image img {
    transform: scale(1.05);
}

.fleet-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 15px;
    background: var(--accent-gold);
    color: var(--primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
}

.fleet-content {
    padding: 25px 30px;
}

.fleet-content h4 {
    margin-bottom: 10px;
}

.fleet-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.fleet-feature {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #666;
}

.fleet-feature svg {
    color: var(--accent-gold);
}

/* ============================================
   Features Section
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 20px;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(201, 169, 98, 0.1);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--accent-gold);
}

.section-dark .feature-item h4 {
    color: var(--text-light);
}

.section-dark .feature-item p {
    color: var(--text-muted);
}

/* ============================================
   About London / Facts
   ============================================ */
.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.fact-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 30px;
    border-left: 4px solid var(--accent-gold);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.fact-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-strong);
}

.fact-card h4 {
    color: var(--accent-gold);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.fact-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Stats */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: rgba(201, 169, 98, 0.1);
    border-radius: 15px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-wrapper.single-col {
    grid-template-columns: 1fr;
    max-width: 700px;
    margin: 0 auto;
}

.contact-info {
    padding: 40px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    border-radius: 20px;
    color: var(--text-light);
}

.contact-info h3 {
    color: var(--text-light);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(201, 169, 98, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.contact-text h4 {
    color: var(--accent-gold);
    margin-bottom: 5px;
    font-size: 1rem;
}

.contact-text p {
    color: var(--text-muted);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ============================================
   Airports List
   ============================================ */
.airports-section {
    background: var(--bg-light);
    padding: 60px 0;
}

.airports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.airport-card {
    background: var(--bg-white);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    border: 2px solid transparent;
}

.airport-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-3px);
}

.airport-code {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 5px;
}

.airport-name {
    font-size: 0.95rem;
    color: var(--primary-dark);
    font-weight: 600;
}

/* ============================================
   Terms & Conditions
   ============================================ */
.terms-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px;
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

.terms-content h3 {
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--primary-navy);
    border-bottom: 2px solid var(--accent-gold);
    padding-bottom: 10px;
}

.terms-content h3:first-child {
    margin-top: 0;
}

.terms-content p {
    margin-bottom: 15px;
    text-align: justify;
}

.terms-content strong {
    color: var(--primary-dark);
}

/* ============================================
   Page Header (Inner Pages)
   ============================================ */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-navy) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?w=1920&q=80') center/cover;
    opacity: 0.15;
}

.page-header-content {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    color: var(--text-light);
    margin-bottom: 15px;
}

.page-header p {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--text-muted);
}

.breadcrumb span {
    color: var(--accent-gold);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--primary-dark);
    color: var(--text-light);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.footer h4 {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 25px;
    position: relative;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--accent-gold);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.footer-contact strong {
    color: var(--accent-gold);
}

.footer-seal {
    margin-top: 25px;
}

.footer-seal img {
    max-width: 120px;
    height: auto;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-phone {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        padding: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-links.active a {
        padding: 15px;
        text-align: center;
    }
    
    .hero-content {
        padding: 140px 20px 60px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .phone-cta {
        flex-direction: column;
        text-align: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .fleet-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-gold { color: var(--accent-gold); }
.mb-0 { margin-bottom: 0; }
.mt-30 { margin-top: 30px; }
.mt-60 { margin-top: 60px; }