:root {
    --primary-color: #2a3d66; /* Deep blue geological color */
    --secondary-color: #d89f57; /* Sand/Gold tone, reflecting earth/minerals */
    --text-dark: #1a1a1a;
    --text-light: #555555;
    --bg-white: #ffffff;
    --bg-light: #f7f9fa;
    --bg-dark: #121826;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --spacing-sm: 1rem;
    --spacing-md: 2.5rem;
    --spacing-lg: 5rem;
    
    --border-radius: 8px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--bg-white);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    line-height: 1.2;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--secondary-color);
    color: #fff;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(216, 159, 87, 0.4);
}

/* Typography styles */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* Header / Hero */
.hero {
    background-color: var(--bg-dark);
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Subtle texture or gradient overlay */
    background: linear-gradient(135deg, rgba(18, 24, 38, 0.9) 0%, rgba(42, 61, 102, 0.95) 100%);
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero .subtitle {
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.hero h1 {
    font-size: 4.5rem;
    color: #fff;
    margin-bottom: 2rem;
}

.hero .description {
    color: #cbd5e1;
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.hero-image {
    flex: 1;
    max-width: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Image frame styling to give it a classic, elegant feel */
.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    border: 8px solid rgba(255, 255, 255, 0.15);
    background-color: #fff;
    position: relative;
    z-index: 2;
    width: 100%;
    height: auto;
}

/* Nav */
.sticky-nav {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.sticky-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    gap: 2rem;
}

.sticky-nav a {
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sticky-nav a:hover {
    color: var(--secondary-color);
}

/* Sections */
.section {
    padding: var(--spacing-lg) 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.section-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-content {
    font-size: 1.1rem;
}

.text-content p {
    text-align: justify;
}

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

.grid-item {
    background: #fff;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

.grid-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    border-top-color: var(--secondary-color);
}

.grid-item h3 {
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.grid-item p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Utility */
.mb-4 { margin-bottom: 2rem; }

/* Lists */
.awards-list {
    list-style: none;
    margin-top: 1.5rem;
}

.awards-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.awards-list li::before {
    content: "★";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: #fff;
    padding: 3rem 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

footer p {
    color: #cbd5e1;
    margin: 0;
}

footer a {
    color: var(--secondary-color);
    text-decoration: underline;
}

.text-right {
    text-align: right;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-container {
        flex-direction: column-reverse;
        justify-content: center;
        text-align: center;
        padding-top: 6rem;
    }

    .hero-content {
        max-width: 100%;
    }

    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .section-title {
        text-align: center;
    }

    .hero-image::after {
        display: none;
    }
    
    .hero h1 {
        font-size: 3rem;
    }

    .sticky-nav {
        display: none; /* Hide nav on small mobile to keep it simple, or make a hamburger. We'll just hide for true MVP simplicity */
    }
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .text-right {
        text-align: center;
    }
}