:root {
    --primary-color: #000080; /* Navy Blue */
    --primary-light: #333399;
    --primary-dark: #000050;
    --secondary-color: #ff8c00; /* Dark Orange */
    --text-color: #333333;
    --text-light: #757575;
    --bg-color: #f9fbfd;
    --white: #ffffff;
    --border-radius: 20px;
    --border-radius-lg: 40px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
}

/* Header & Nav */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom-left-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.logo img {
    max-height: 90px;
    width: auto;
    border-radius: 0; /* Logos usually shouldn't be rounded by default unless designed that way */
    transition: var(--transition);
}

@media (max-width: 768px) {
    .logo img {
        max-height: 70px;
    }
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-color);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.cta-btn {
    background-color: var(--secondary-color);
    color: var(--primary-dark);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 202, 40, 0.3);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 202, 40, 0.4);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 5% 5rem;
    /* Creative mix of Navy and Orange - Now handled by ::after for transparency */
    background: transparent;
    color: var(--white);
    border-bottom-left-radius: 100px;
    border-bottom-right-radius: 100px;
    margin-bottom: 4rem;
    overflow: hidden;
    z-index: 0;
}

/* Gradient Overlay */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Semi-transparent gradient to let image show through faintly */
    background: linear-gradient(135deg, rgba(0,0,80,0.92) 0%, rgba(51,51,153,0.88) 60%, rgba(255,140,0,0.88) 100%);
    z-index: -1;
}

/* Ken Burns Background Image */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('image/EMV_3106.jpg.jpeg');
    background-size: cover;
    background-position: center;
    z-index: -2;
    animation: kenburns 20s infinite alternate;
}

@keyframes kenburns {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.15);
    }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    display: inline-block;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--primary-dark);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* Shapes for Hero */
.shape {
    position: absolute;
    border-radius: 50%;
    z-index: 1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    opacity: 0.15;
    top: -50px;
    left: -50px;
    filter: blur(50px);
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--primary-light);
    opacity: 0.1;
    bottom: -100px;
    right: -100px;
    filter: blur(60px);
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--secondary-color);
    opacity: 0.1;
    top: 20%;
    right: 15%;
    filter: blur(40px);
}

/* Common Section Styles */
section {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.section-title span {
    display: block;
    width: 60px;
    height: 5px;
    background-color: var(--secondary-color);
    margin: 0 auto;
    border-radius: 10px;
}

/* Features/Services */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.02);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
}

.icon-box {
    width: 80px;
    height: 80px;
    background-color: rgba(0, 105, 92, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

/* About Section */
.about-section {
    display: flex;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.about-image {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.about-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.about-content {
    flex: 1;
    min-width: 300px;
}

.about-content h2 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

/* Gallery Preview */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--border-radius);
    height: 250px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 5rem 5% 2rem;
    margin-top: 5rem;
    border-top-left-radius: 100px;
    border-top-right-radius: 100px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-col h3 {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* Page Header (for subpages) */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 60%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 8rem 5% 5rem;
    text-align: center;
    border-bottom-left-radius: 50px;
    border-bottom-right-radius: 50px;
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

/* Mobile Responsive */
.mobile-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-dark);
    cursor: pointer;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .navbar {
        position: relative;
    }

    .mobile-btn {
        display: block;
        position: absolute;
        right: 5%;
        top: 50%;
        transform: translateY(-50%);
        z-index: 2000;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        box-shadow: 0 10px 10px rgba(0,0,0,0.05);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-bottom-left-radius: 20px;
        border-bottom-right-radius: 20px;
        z-index: 1000;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .cta-btn {
        display: none; /* Hide CTA on mobile for simplicity, or move into nav-links via JS if needed */
    }

    .hero {
        border-bottom-left-radius: 50px;
        border-bottom-right-radius: 50px;
        padding-top: 4rem;
    }
    
    footer {
        border-top-left-radius: 50px;
        border-top-right-radius: 50px;
    }
}
