/* --- CSS Variables for Luxury Theme --- */
:root {
    --primary-color: #001524; /* Deep Navy Blue */
    --accent-color: #D4AF37;  /* Luxury Gold */
    --accent-hover: #b5952f;
    --text-dark: #333333;
    --text-light: #f4f4f9;
    --bg-light: #fafafa;
}

/* --- Global Resets & Typography --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth; /* Smooth scrolling for single page */
    scroll-padding-top: 80px; /* Offset for fixed navbar */
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Navigation Bar --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(0, 21, 36, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.logo a {
    color: var(--text-light);
    font-size: 24px;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
}

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

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 15px;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.btn-nav {
    background-color: var(--accent-color);
    color: var(--primary-color) !important;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 700 !important;
}

.btn-nav:hover {
    background-color: var(--accent-hover);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 21, 36, 0.8), rgba(0, 21, 36, 0.8)), url('https://images.unsplash.com/photo-1509062522246-3755977927d7?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
    padding: 0 20px;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.highlight {
    color: var(--accent-color);
}

.hero p {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* --- Sections Common Styles --- */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.divider {
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 0 auto;
}

/* --- About Section --- */
.about {
    background-color: #fff;
}

.about-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    color: #555;
}

/* --- Impact Section --- */
.impact {
    background-color: var(--bg-light);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: 0.4s ease;
    border-bottom: 4px solid transparent;
}

.card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--accent-color);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.card p {
    color: #666;
}

/* --- Contact Section --- */
.contact {
    background-color: var(--primary-color);
    color: var(--text-light);
    text-align: center;
}

.contact-box h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-light);
}

.contact-box p {
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0.8;
}

/* --- Footer --- */
footer {
    background-color: #000b14;
    color: rgba(255,255,255,0.6);
    padding: 40px 0 20px;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: #fff;
}

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

.social-links a {
    color: rgba(255,255,255,0.6);
    font-size: 1.2rem;
    margin-left: 15px;
}

.social-links a:hover {
    color: var(--accent-color);
}

.copyright {
    font-size: 0.9rem;
}

/* --- Responsive Design (Mobiles & Tablets) --- */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Can be replaced with a hamburger menu later */
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
}