:root {
    --primary: #2C3E50; /* Midnight Blue */
    --secondary: #34495E; /* Wet Asphalt */
    --accent: #E67E22; /* Warm Amber */
    --bg-light: #FDFDFD;
    --text-dark: #2c3e50;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --radius: 12px;
}

/* Reset & Typography */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }

/* Header & Nav */
header { position: sticky; top: 0; z-index: 1000; padding: 1rem 0; transition: 0.3s; }
nav ul { display: flex; list-style: none; gap: 2rem; justify-content: flex-end; }
nav a { text-decoration: none; color: var(--primary); font-weight: 600; transition: color 0.3s; }
nav a:hover { color: var(--accent); }

/* Hero Section */
.hero {
    height: 80vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}
.hero::after {
    content: ''; position: absolute; top:0; left:0; width:100%; height:100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.7));
}
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 2rem; }
.btn-cta {
    display: inline-block; padding: 1rem 2rem; background: var(--accent); color: white;
    text-decoration: none; border-radius: 50px; font-weight: bold; margin-top: 1rem;
    transition: transform 0.2s;
}
.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }

/* Content Styling */
section { padding: 4rem 0; }
h1, h2, h3 { line-height: 1.2; margin-bottom: 1rem; color: var(--primary); }
h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; border-bottom: 3px solid var(--accent); display: inline-block; margin-bottom: 2rem; }
p { margin-bottom: 1.5rem; font-size: 1.1rem; }

/* Table Styling */
table { width: 100%; border-collapse: collapse; margin: 2rem 0; }
th, td { padding: 1rem; text-align: left; border-bottom: 1px solid #ddd; }
th { background: var(--primary); color: white; }

/* Mobile Response */
@media (max-width: 768px) {
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    h1 { font-size: 2rem; }
    nav ul { display: none; flex-direction: column; background: white; position: absolute; top: 100%; left: 0; width: 100%; padding: 1rem; box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
    nav.active ul { display: flex; }
    .mobile-toggle { display: block; cursor: pointer; font-size: 1.5rem; }
}
@media (min-width: 769px) { .mobile-toggle { display: none; } }