/* Variable Definitions */
:root {
    --primary-color: #003366;
    /* Deep Blue - Trust/Aviation */
    --secondary-color: #D4AF37;
    /* Gold - Premium */
    --accent-color: #00A3E0;
    /* Sky Blue - Freshness */
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --bg-white: #FFFFFF;
    --bg-off-white: #F3F4F6;
    --glass-bg: rgba(255, 255, 255, 0.9);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-off-white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 5rem 0;
}

/* Header & Navigation */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-socials {
    display: flex;
    gap: 1rem;
    margin-left: 1rem;
}

.nav-socials a {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: color 0.3s;
}

.nav-socials a:hover {
    color: var(--secondary-color);
}

.nav-link {
    font-weight: 500;
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.btn-primary {
    background: var(--secondary-color);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: #c5a028;
    /* Slightly darker gold */
}

.btn-outline {
    border: 2px solid var(--bg-white);
    color: var(--bg-white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--bg-white);
    color: var(--primary-color);
}

/* Global Preloader */
#global-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.preloader-content {
    text-align: center;
    color: white;
}

.logo-img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

.preloader-img {
    max-width: 250px;
    height: auto;
    animation: planePulse 2s infinite ease-in-out;
    border-radius: var(--radius-md);
    filter: brightness(0) invert(1);
}

@keyframes planePulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.preloader-hidden {
    opacity: 0;
    visibility: hidden;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* Hero Section */
/* Hero Section - Optimized Spacing */
.hero {
    min-height: 100vh;
    background: transparent;
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 140px; /* Space for fixed header */
    color: white;
    z-index: 2;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    /* Vibrant Gradient: Navy -> Purple -> Blue -> Cyan */
    background: linear-gradient(-45deg, #020024, #090979, #00d4ff, #003366);
    background-size: 400% 400%;
    animation: gradientBG 8s ease infinite;
    /* Faster animation */
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Hero Overlay (Revised) */
/* Hero Slider Styles */
.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
    will-change: opacity, transform;
}

.slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to left, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.2) 60%, rgba(0, 0, 0, 0.4) 100%);
}

.slide.active {
    opacity: 1;
    z-index: 1;
    animation: kenBurns 15s infinite alternate linear;
}

@keyframes kenBurns {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); }
}

/* Individual Slide Images - Desktop */
.slide:nth-child(1) { background-image: url('../images/hero/slide_1.jpg'); }
.slide:nth-child(2) { background-image: url('../images/hero/slide_2.jpg'); }
.slide:nth-child(3) { background-image: url('../images/hero/slide_3.jpg'); }
.slide:nth-child(4) { background-image: url('../images/hero/slide_4.jpg'); }
.slide:nth-child(5) { background-image: url('../images/hero/slide_5.jpg'); }

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 50px;
    right: 50px;
    display: flex;
    align-items: center;
    gap: 25px;
    z-index: 20;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.slider-dots {
    display: flex;
    gap: 12px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.slider-arrow {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.slider-arrow:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}


@keyframes heroZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

/* Futuristic Preloader */
#global-preloader {
    background-color: #000c19;
    /* Deep dark blue */
}

.loader-logo-container {
    position: relative;
    margin-bottom: 2rem;
    display: inline-block;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    border: 2px solid var(--secondary-color);
    border-radius: 50%;
    animation: ringPulse 2s infinite;
    opacity: 0;
}

@keyframes ringPulse {
    0% {
        width: 100%;
        height: 100%;
        opacity: 1;
    }

    100% {
        width: 150%;
        height: 150%;
        opacity: 0;
    }
}

.loading-bar-container {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto 1rem;
    position: relative;
}

.loading-bar {
    width: 0%;
    height: 100%;
    background: var(--secondary-color);
    box-shadow: 0 0 10px var(--secondary-color);
    transition: width 0.1s linear;
}

.loading-text {
    font-family: 'Orbitron', sans-serif;
    /* Tech font */
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

#loading-percentage {
    font-size: 2rem;
    font-weight: bold;
    color: white;
}

.loading-status {
    font-size: 0.8rem;
    color: var(--secondary-color);
    letter-spacing: 2px;
    text-transform: uppercase;
}


.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
    margin-left: auto;
    text-align: left;
    animation: fadeInUp 1s ease-out;
    padding: 2rem 0;
}

.hero-tag {
    background: var(--secondary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    color: white;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Services Preview */
.services-highlight {
    margin-top: -5rem;
    /* Overlap hero */
    position: relative;
    z-index: 20;
    padding-bottom: 5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
}

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

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.card-link {
    color: var(--secondary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.card-link:hover {
    gap: 0.5rem;
}

/* About Section */
.about-preview {
    background-color: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.stat-item h4 {
    font-size: 2rem;
    color: var(--secondary-color);
}

.stat-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    opacity: 0.8;
    margin-top: 1rem;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
    font-size: 0.875rem;
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-box i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.stat-box h2 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-box p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Why Choose Us */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--secondary-color);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-off-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-color);
    margin: 0 auto 1.5rem;
}

/* Process Section */
.process-section {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('../images/hero/hero_dog_plane.png');
    background-size: cover;
    background-attachment: fixed;
    color: white;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
    text-align: center;
}

.process-step {
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: white;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
}

.step-icon-container {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border: 3px solid var(--secondary-color);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--secondary-color);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.process-step:hover .step-icon-container {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}

.step-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 3px solid white;
}

.process-step h3 {
    color: white;
    margin-bottom: 1rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.testimonial-card .stars {
    color: #ffd700;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.testimonial-card h4 {
    color: var(--primary-color);
    font-weight: 700;
}

/* Pulse Animation for WhatsApp Button */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(212, 175, 55, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0);
    }
}

.pulse-effect {
    animation: pulse 2s infinite;
}

/* Animations included */

/* Responsiveness */
@media (max-width: 768px) {
    .nav-container {
        height: 80px;
    }

    .logo-img {
        height: 60px;
    }

    .hero {
        margin-top: -80px;
        padding-top: 140px;
        /* Push content below header space */
    }

    .nav-links {
        display: none;
        /* Hide for now, toggle with JS later */
        position: fixed;
        /* Fixed to cover screen correctly */
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        /* Full height */
        background: rgba(255, 255, 255, 0.98);
        /* Solid background */
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        text-align: center;
        z-index: 1001;
        /* Above everything */
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding-top: 140px !important;
        padding-bottom: 4rem !important;
        min-height: 100vh;
    }

    .hero-slider .slide::after {
        background: linear-gradient(to top left, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 60%, rgba(0, 0, 0, 0.4) 100%);
    }

    /* Mobile Slide Images */
    .slide:nth-child(1) { background-image: url('../images/hero/slide_1_mobile.jpg'); }
    .slide:nth-child(2) { background-image: url('../images/hero/slide_2_mobile.jpg'); }
    .slide:nth-child(3) { background-image: url('../images/hero/slide_3_mobile.jpg'); }
    .slide:nth-child(4) { background-image: url('../images/hero/slide_4_mobile.jpg'); }
    .slide:nth-child(5) { background-image: url('../images/hero/slide_5_mobile.jpg'); }

    .hero-content {
        margin: 0 auto;
        text-align: center;
        max-width: 100%;
        padding-bottom: 5rem;
    }

    .hero h1 {
        font-size: 1.75rem;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9);
        line-height: 1.3;
        margin-bottom: 1.5rem;
    }

    .hero p {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: 2rem;
        opacity: 0.9;
    }

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

    .slider-controls {
        bottom: 30px;
        right: 20px;
        gap: 15px;
    }

    .slider-arrow {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }


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

    .services-highlight {
        margin-top: 0;
        padding-top: 5rem;
    }
}