/* --- Variables & Reset --- */
:root {
    --primary: #1e3a8a; /* Deep Royal Blue */
    --accent: #f59e0b; /* Golden Ochre */
    --accent-hover: #d97706;
    --text-dark: #1f2937;
    --text-light: #4b5563;
    --bg-light: #f3f4f6;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 8px;
    --font-heading: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-body: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p { margin-bottom: 1rem; color: var(--text-light); }

/* --- Layout Utility --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 4rem 0;
}

.bg-light { background-color: var(--bg-light); }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.shadow { box-shadow: var(--shadow); }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
    h1 { font-size: 3.5rem; }
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

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

/* Secondary button on white background */
.contact-item .btn-secondary {
    border-color: var(--primary);
    color: var(--primary);
}
.contact-item .btn-secondary:hover {
    background-color: var(--primary);
    color: var(--white);
}

/* --- Header & Nav --- */
.site-header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.logo span {
    font-weight: 400;
    color: var(--text-light);
}

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

.main-nav a {
    font-weight: 500;
    color: var(--text-dark);
}

.main-nav a:hover, .main-nav a.active {
    color: var(--accent);
}

.main-nav .btn-nav {
    background-color: var(--primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
}

.main-nav .btn-nav:hover {
    background-color: #152c6e;
    color: var(--white);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: 0.3s;
}

/* --- Hero --- */
.hero {
    position: relative;
    height: 80vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(30, 58, 138, 0.9), rgba(30, 58, 138, 0.4));
    z-index: -1;
}

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

.hero h1 { color: var(--white); }
.hero-sub {
    font-size: 1.25rem;
    color: #e5e7eb;
    margin-bottom: 2rem;
    max-width: 600px;
}

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

/* --- Page Header (About/Contact) --- */
.page-header {
    background-color: var(--primary);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}
.page-header h1 { color: var(--white); }
.page-header p { color: #e5e7eb; font-size: 1.2rem; }

/* --- Intro Section --- */
.intro-image-wrapper {
    position: relative;
}

.intro-img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--accent);
    color: var(--white);
    padding: 1.5rem;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    box-shadow: var(--shadow);
}

.experience-badge .count {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
}

.experience-badge .label {
    font-size: 0.8rem;
    text-transform: uppercase;
}

.feature-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.feature-list li::before {
    content: "✓";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* --- Gallery Grid --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    aspect-ratio: 1 / 1; /* Forces square aspect ratio */
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background-color: #ddd; /* Placeholder color while loading */
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensures image fills the square without stretching */
    transition: transform 0.5s ease;
}

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

.link-arrow {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
}

/* --- CTA Banner --- */
.cta-banner {
    background-color: var(--primary);
    color: var(--white);
    padding: 4rem 0;
}

.cta-banner h2 { color: var(--white); margin-bottom: 0.5rem; }
.cta-banner p { color: #e5e7eb; margin-bottom: 2rem; }

/* --- About & Contact --- */
.feature-img {
    border-radius: var(--radius);
    width: 100%;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-top: 4px solid var(--accent);
}

.contact-details {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.contact-item a {
    color: var(--primary);
    font-weight: 500;
}

.area-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.area-tags span {
    background-color: #e0e7ff;
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* --- Footer --- */
.site-footer {
    background-color: #111827;
    color: #9ca3af;
    padding-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding-bottom: 2rem;
}

.site-footer h3 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.site-footer a {
    color: #d1d5db;
}

.site-footer a:hover {
    color: var(--accent);
}

.footer-bottom {
    background-color: #0f172a;
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* --- Animation --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Mobile Nav --- */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
    }

    .main-nav.open {
        max-height: 300px;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 1rem 0;
        gap: 1rem;
    }
    
    .intro-image-wrapper {
        margin-bottom: 2rem;
    }
}