/* ==========================================================================
   Aviation Connection USA Corp - Main Stylesheet (style.css)
   Aesthetic: High-Tech Aero Dark Cockpit, Glassmorphism, Dynamic FX
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-main: #0b0f19;
    --bg-secondary: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-card-hover: rgba(30, 41, 59, 0.9);
    --aero-blue: #38bdf8;
    --aero-cyan: #0ea5e9;
    --aero-blue-glow: rgba(56, 189, 248, 0.25);
    --safety-orange: #ff5a00;
    --safety-orange-glow: rgba(255, 90, 0, 0.35);
    --gold-accent: #f59e0b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-glass: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(56, 189, 248, 0.3);

    /* Fonts */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Transitions */
    --transition-fast: 0.25s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Custom Selection */
::selection {
    background: var(--safety-orange);
    color: #ffffff;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--aero-blue);
}

/* Utility Layouts */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

h1, h2, h3, h4, .nav-logo {
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-fast);
}

header.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.logo-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--aero-blue), var(--aero-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0b0f19;
    font-size: 1.4rem;
    box-shadow: 0 0 15px var(--aero-blue-glow);
}

.nav-logo-text {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
}

.nav-logo-text span {
    color: var(--aero-blue);
    display: block;
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--safety-orange);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--aero-blue);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--aero-blue);
    box-shadow: 0 0 8px var(--aero-blue);
    border-radius: 2px;
}

.nav-btn {
    background: linear-gradient(135deg, var(--safety-orange), #d94800);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    transition: var(--transition-normal);
    box-shadow: 0 4px 15px var(--safety-orange-glow);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 90, 0, 0.5);
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    padding-top: 130px;
    padding-bottom: 80px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(circle at 50% 20%, rgba(56, 189, 248, 0.15), transparent 70%),
                linear-gradient(to bottom, var(--bg-main), var(--bg-secondary));
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: var(--aero-blue);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.hero-title span {
    background: linear-gradient(135deg, var(--aero-blue), #93c5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2.2rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--safety-orange), #d94800);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 25px var(--safety-orange-glow);
    transition: var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255, 90, 0, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.9rem 2.2rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--aero-blue);
    color: var(--aero-blue);
}

/* Hero Visual / Card Canvas */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-cockpit-card {
    position: relative;
    width: 100%;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: 28px;
    padding: 2.5rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
    overflow: hidden;
}

.hud-overlay {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--aero-blue);
}

.hud-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 10px #10b981;
}

.hero-img-box {
    position: relative;
    width: 100%;
    height: 260px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.hero-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.9) contrast(1.1);
    transition: var(--transition-normal);
}

.hero-cockpit-card:hover .hero-img-box img {
    transform: scale(1.05);
}

.hero-hud-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    text-align: center;
}

.hud-stat-item {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 0.9rem 0.5rem;
}

.hud-stat-number {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--aero-blue);
}

.hud-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-top: 4px;
}

/* ==========================================================================
   Section Components & Cards
   ========================================================================== */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 4rem auto;
}

.section-tag {
    font-family: var(--font-heading);
    color: var(--safety-orange);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    display: block;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    color: #ffffff;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* Glass Card Component */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 2.5rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4),
                0 0 20px var(--aero-blue-glow);
    transform: translateY(-5px);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    align-items: center;
}

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Value Cards / Features */
.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: var(--aero-blue);
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-fast);
}

.glass-card:hover .feature-icon {
    background: var(--safety-orange);
    color: #ffffff;
    border-color: var(--safety-orange);
    box-shadow: 0 0 20px var(--safety-orange-glow);
}

.card-title {
    font-size: 1.3rem;
    color: #ffffff;
    margin-bottom: 0.8rem;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Mission Highlight Box */
.mission-box {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.9));
    border: 1px solid var(--aero-blue);
    border-radius: 28px;
    padding: 3.5rem 3rem;
    text-align: center;
    box-shadow: 0 0 50px var(--aero-blue-glow);
    position: relative;
}

.mission-box::before {
    content: '“';
    font-family: var(--font-heading);
    position: absolute;
    top: 20px;
    left: 40px;
    font-size: 8rem;
    color: rgba(56, 189, 248, 0.1);
    line-height: 1;
}

.mission-quote {
    font-size: clamp(1.2rem, 2.2vw, 1.6rem);
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

/* Timeline Components */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 2rem;
    border-left: 2px dashed var(--aero-blue);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 1.5rem;
}

.timeline-item::before {
    content: '\f072'; /* FontAwesome plane */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: -2.8rem;
    top: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--safety-orange);
    color: var(--safety-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    box-shadow: 0 0 15px var(--safety-orange-glow);
}

/* Leadership Profile Card */
.leader-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
    align-items: center;
}

.leader-img-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid var(--border-glow);
}

.leader-img-wrapper img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
}

.leader-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-glass);
    padding: 8px 12px;
    border-radius: 10px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--aero-blue);
    font-family: var(--font-heading);
}

/* Dual Email Banner Component */
.contact-dual-banner {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.95));
    border: 1px solid var(--border-glow);
    border-radius: 24px;
    padding: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.dual-email-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.dual-email-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: rgba(255, 90, 0, 0.15);
    border: 1px solid var(--safety-orange);
    color: var(--safety-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.dual-email-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dual-email-value {
    font-size: 1.05rem;
    color: #ffffff;
    font-weight: 700;
    transition: var(--transition-fast);
}

.dual-email-value:hover {
    color: var(--aero-blue);
}

/* Contact Form Controls */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 0.9rem 1.2rem;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--aero-blue);
    box-shadow: 0 0 15px var(--aero-blue-glow);
    background: rgba(15, 23, 42, 0.9);
}

/* Footer */
footer {
    background: #070a12;
    border-top: 1px solid var(--border-glass);
    padding: 80px 0 30px 0;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 0.95rem;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--safety-orange);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-glass);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 1rem;
}

/* Mobile Responsive Adjustments */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .leader-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        padding: 2rem;
        transition: var(--transition-normal);
    }
    .nav-menu.active {
        left: 0;
    }
    .mobile-toggle {
        display: block;
    }
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .contact-dual-banner {
        flex-direction: column;
        align-items: flex-start;
    }
}