:root {
    --iaeste-blue: #00205B;
    --iaeste-light-blue: #00A3E0;
    --iaeste-dark: #00153d;
    --accent-color: #FFD700;
    --text-dark: #2c3e50;
    --text-light: #ecf0f1;
    --bg-light: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, var(--iaeste-blue) 0%, var(--iaeste-light-blue) 100%);
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.8;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar-brand img {
    height: 60px;
    width: auto;
    transition: transform 0.3s;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    color: var(--iaeste-blue) !important;
    font-weight: 600;
    margin: 0 12px;
    position: relative;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

/* Buttons */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(0, 32, 91, 0.2);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 32, 91, 0.3);
    background: linear-gradient(135deg, var(--iaeste-light-blue) 0%, var(--iaeste-blue) 100%);
}

.btn-outline-light {
    border: 2px solid #fff;
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background: #fff;
    color: var(--iaeste-blue);
    transform: translateY(-3px);
}

/* Hero Section with Parallax */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    background-image: linear-gradient(rgba(0, 32, 91, 0.6), rgba(0, 32, 91, 0.4)), url('https://images.pexels.com/photos/1998434/pexels-photo-1998434.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax Effect */
    overflow: hidden;
}

.hero-content {
    z-index: 2;
    max-width: 800px;
}

.hero-logo {
    height: 180px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.3));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
    text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

/* Section Styling */
.section-padding {
    padding: 100px 0;
}

.section-title {
    margin-bottom: 60px;
    position: relative;
}

.section-title h6 {
    color: var(--iaeste-light-blue);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--iaeste-blue);
}

/* About Section */
.about-img {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.about-img img {
    width: 100%;
    transition: transform 0.5s ease;
}

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

/* Stats Section */
.stats-section {
    background: var(--iaeste-blue);
    color: white;
    padding: 80px 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300a3e0' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-item h3 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(to right, #fff, var(--iaeste-light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Feature Cards (Glassmorphism) */
.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    height: 100%;
    border: 1px solid rgba(0,0,0,0.03);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--iaeste-light-blue);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 25px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Gallery/Showcase */
.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 300px;
    box-shadow: var(--shadow-soft);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,32,91,0.9), transparent);
    padding: 30px 20px;
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
    opacity: 1;
}

/* Contact Section */
.contact-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    overflow: hidden;
}

.contact-header {
    background: var(--gradient-primary);
    padding: 40px;
    color: white;
    text-align: center;
}

.contact-body {
    padding: 50px;
}

.form-control {
    padding: 12px 20px;
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    background-color: #f8f9fa;
    transition: all 0.3s;
}

.form-control:focus {
    box-shadow: 0 0 0 3px rgba(0, 163, 224, 0.1);
    border-color: var(--iaeste-light-blue);
    background-color: #fff;
}

/* Footer */
footer {
    background-color: var(--iaeste-dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 30px;
    font-size: 0.9rem;
}

footer h5 {
    color: #fff;
    margin-bottom: 25px;
}

footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
    display: block;
    margin-bottom: 10px;
}

footer a:hover {
    color: var(--iaeste-light-blue);
    padding-left: 5px;
}

/* Modals */
.modal-content {
    border-radius: 20px;
    border: none;
    overflow: hidden;
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 20px 30px;
}

.modal-title {
    font-weight: 700;
}

.modal-body {
    padding: 30px;
}

.btn-close-white {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
}