/* Global Styles */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Header/Navigation Styles */
.navbar {
    background-color: rgba(248, 249, 250, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.navbar.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar .navbar-brand {
    font-weight: bold;
    font-size: clamp(1.2rem, 2vw, 1.5rem);
}

.navbar .nav-link {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    position: relative;
    transition: color 0.3s ease;
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #007bff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Dropdown Menu Styles */
.dropdown-menu {
    max-height: 400px;
    overflow-y: auto;
    padding: 0;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.3s ease;
}

.dropdown-item {
    padding: 15px 20px;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: #007bff;
    color: white;
    transform: translateX(5px);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Variables */
:root {
    --primary-color: #2c3e50;
    --accent-color: #e74c3c;
    --gradient-start: #2980b9;
    --gradient-end: #2c3e50;
}

/* Hero Section */
.hero {
    background-size: cover;
    background-position: center;
    height: 100vh;
    color: white;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: backgroundChange 10s infinite;
}

@keyframes backgroundChange {
    0%, 45% {
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(asset/screen\ page.jpg);
        background-size: 100% 100%;
    }
    50%, 95% {
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(asset/airplane-flying-1567519384OvB.jpg);
        background-size: 100% 100%;
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
    100% {
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(asset/screen\ page.jpg);
        background-size: 100% 100%;
    }
}
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero * {
    position: relative;
    z-index: 2;
    animation: slideIn 0.5s ease forwards;
    opacity: 0;
}

@keyframes slideIn {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.hero h1 { animation-delay: 0s; }
.hero p { animation-delay: 0.3s; }
.hero .btn { animation-delay: 0.6s; }

/* Services Section */
.card {
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* About Us Section */
#about {
    background-color: #f7f7f7;
    padding: 80px 0;
}

#about p {
    font-size: clamp(1rem, 2vw, 1.1rem);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.hero-section {
    background: linear-gradient(135deg, rgba(44,62,80,0.9), rgba(41,128,185,0.9)), url('images/about-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI1NiIgaGVpZ2h0PSIxMDAiPgo8cGF0aCBkPSJNMjggNjZMMCA1MEwyOCAzNEw1NiA1MEwyOCA2NlpNMjggMEwyOCAzNEw1NiA1MEw1NiAwWk0yOCAxMDBMMjggNjZMMCA1MEwwIDEwMFoiIGZpbGw9IiNmZmZmZmYxMCIvPgo8L3N2Zz4=');
    opacity: 0.1;
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% { background-position: 0 0; }
    100% { background-position: 100% 100%; }
}

.about-content {
    padding: 120px 0;
    background: linear-gradient(to bottom, #fff, #f8f9fa);
}

/* Highlight Box Styles */
.highlight-box {
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    margin: 20px 0;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.highlight-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.highlight-box:hover::before {
    transform: translateX(100%);
}

.highlight-box:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
}

/* UI Components */
.glass-morphism {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 3rem;
    box-shadow: 0 8px 32px rgba(31,38,135,0.15);
}

.floating-element {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.text-gradient {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Button Styles */
.btn-custom {
    background: linear-gradient(45deg, var(--gradient-start), var(--gradient-end));
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
    transition: 0.3s;
}

.btn-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.btn-custom::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: 0.3s;
}

.btn-custom:hover::after {
    transform: translateX(100%);
}

/* Footer Styles */
footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    padding: 40px 0;
}

.footer-wave {
    position: absolute;
    top: -100px;
    left: 0;
    width: 100%;
    height: 100px;
}

.footer-wave svg {
    width: 100%;
    height: 100%;
}

.footer-box {
    padding: 20px;
    height: 100%;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.footer-box:hover {
    transform: translateY(-5px);
}

.gradient-text {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: bold;
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    transform: scale(1.1);
    color: #fff;
}

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #007bff;
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: #4ecdc4;
}

.footer-links a:hover::after {
    width: 100%;
}

/* Contact Info */
.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

/* Newsletter Form */
.newsletter-form input {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    padding: 12px;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form button {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    border: none;
    padding: 12px;
    transition: transform 0.3s ease;
}

.newsletter-form button:hover {
    transform: translateY(-2px);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.footer-bottom .footer-links {
    display: flex;
    gap: 20px;
    justify-content: flex-end;
}

/* Contact Section */
#contact {
    background-color: #333;
    color: white;
    padding: 60px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero { height: 70vh; }
    .navbar { background-color: #f8f9fa; }
    .dropdown-menu { max-height: 300px; }
    #about { padding: 40px 0; }
    .footer-box { margin-bottom: 20px; }
    .footer-bottom .footer-links {
        justify-content: center;
        margin-top: 15px;
    }
    .footer-bottom { text-align: center; }
}

@media (max-width: 576px) {
    .hero { height: 50vh; }
    .card-img-top { height: 150px; }
    footer { text-align: center; }
}