/* Base Styles & Colors */
:root {
    --primary: #2C3E50; 
    --secondary: #D4C4A8; 
    --light: #F8F9FA;
    --dark: #1A1A1A;
    --text-gray: #4A4A4A;
}

body {
    font-family: 'Georgia', serif; 
    margin: 0;
    padding: 0;
    color: var(--text-gray);
    line-height: 1.8;
    background-color: #FAFAFA;
}

h1, h2, h3, h4 {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300;
    margin: 0 0 20px 0;
    color: var(--dark);
}

/* Navigation */
header {
    background-color: white;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: 2px;
}

nav a {
    margin-left: 30px;
    text-decoration: none;
    color: var(--text-gray);
    font-family: 'Helvetica Neue', sans-serif;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

/* Hero Sections */
.hero {
    background: linear-gradient(rgba(26, 26, 26, 0.6), rgba(26, 26, 26, 0.8)), url('https://images.unsplash.com/photo-1585807469201-92e1fc1b12b5?ixlib=rb-1.2.1&auto=format&fit=crop&w=2000&q=80') center/cover;
    height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 0 20px;
}

/* Shorter hero for sub-pages */
.hero.sub-page { height: 40vh; }

.hero h1 {
    font-size: 4rem;
    margin-bottom: 15px;
    letter-spacing: 3px;
    color: white;
}

.hero p {
    font-size: 1.3rem;
    max-width: 700px;
    font-style: italic;
}

/* Layout Containers */
.section-container, .applications-inner, .glossary-inner, .gallery-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 20px;
}
.applications-inner, .gallery-inner { max-width: 1200px; }

/* Two Column Text/Image */
.two-column {
    display: flex;
    gap: 50px;
    align-items: center;
    margin-bottom: 80px;
}
.two-column:nth-child(even) { flex-direction: row-reverse; }
.text-content, .image-content { flex: 1; }
.text-content h2 { border-bottom: 3px solid var(--secondary); display: inline-block; padding-bottom: 10px; }
.image-content img { width: 100%; height: auto; border-radius: 4px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }

/* Quote Section */
.quote-section {
    background-color: var(--secondary);
    color: var(--primary);
    text-align: center;
    padding: 60px 20px;
    font-size: 1.5rem;
    font-style: italic;
}

/* Card Grids (Applications & Landmarks) */
.applications { background-color: var(--light); }
.applications.white-bg { background-color: white; }
.applications-inner h2, .glossary-inner h2, .gallery-inner h2 { text-align: center; font-size: 2.5rem; margin-bottom: 20px; }
.applications-subtitle { text-align: center; max-width: 700px; margin: 0 auto 50px auto; font-size: 1.1rem; }

.app-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.app-card { background: white; border-radius: 4px; overflow: hidden; box-shadow: 0 4px 10px rgba(0,0,0,0.05); transition: transform 0.3s; }
.applications.white-bg .app-card { background: var(--light); }
.app-card:hover { transform: translateY(-5px); }
.app-card img { width: 100%; height: 200px; object-fit: cover; }
.app-card-content { padding: 25px; }
.app-card-content h4 { font-size: 1.2rem; margin-bottom: 10px; color: var(--primary); }
.app-card-content p { font-size: 0.95rem; margin: 0; }

/* Glossary */
.glossary { background-color: var(--light); }
.glossary-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 30px; }
.glossary-item { background: white; padding: 25px; border-left: 4px solid var(--secondary); border-radius: 4px; box-shadow: 0 4px 10px rgba(0,0,0,0.05); }
.glossary-item dt { font-weight: bold; font-size: 1.2rem; color: var(--primary); margin-bottom: 10px; font-family: 'Helvetica Neue', Arial, sans-serif; }
.glossary-item dd { margin: 0; font-size: 0.95rem; }

/* Visual Gallery */
.gallery { background-color: white; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 40px; }
.gallery-grid img { width: 100%; height: 250px; object-fit: cover; border-radius: 4px; transition: transform 0.4s ease; }
.gallery-grid img:hover { transform: scale(1.03); }

/* Footer */
footer { background-color: var(--primary); color: white; text-align: center; padding: 40px 20px; font-family: 'Helvetica Neue', sans-serif; font-size: 0.9rem; }

/* Responsive Design */
@media (max-width: 768px) {
    header { flex-direction: column; gap: 15px; }
    nav a { margin: 0 10px; }
    .hero h1 { font-size: 2.5rem; }
    .two-column, .two-column:nth-child(even) { flex-direction: column; }
    .glossary-list { grid-template-columns: 1fr; }
}