/* Core Foundation */
:root {
    --bg-light: #f9f9f9;
    --bg-dark: #111111;
    --text-main: #222222;
    --text-light: #ffffff;
    --accent-orange: #FF6600;
    --accent-hover: #e65c00;
}

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

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

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--bg-dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--accent-orange);
}

.logo {
    color: var(--text-light);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
}

/* Buttons */
.cta-btn {
    background-color: var(--accent-orange);
    color: var(--text-light);
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    border-radius: 4px;
    text-align: center;
    transition: background 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-btn:hover { background-color: var(--accent-hover); }
.cta-btn.small { padding: 10px 20px; font-size: 0.9rem; }
.cta-btn.large { padding: 15px 30px; font-size: 1.2rem; display: inline-block; margin-top: 15px; }

/* Hero Section */
.hero {
    position: relative;
    background: url('hero-bg.jpg') center/cover no-repeat;
    background-color: #333; /* Fallback if image is missing */
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
    padding: 20px;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 { font-size: 3rem; margin-bottom: 15px; text-transform: uppercase; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; }

/* Sections */
section { padding: 60px 20px; max-width: 1000px; margin: 0 auto; }
section h2 { font-size: 2.2rem; margin-bottom: 15px; text-transform: uppercase; color: var(--accent-orange); }
.subtitle { font-size: 1.2rem; font-weight: bold; margin-bottom: 20px; }

.dark-section {
    background-color: var(--bg-dark);
    color: var(--text-light);
    max-width: 100%;
    padding: 60px 20px;
}

.dark-section h2 { color: var(--accent-orange); }
.dark-section p { max-width: 1000px; margin: 0 auto 20px auto; }

/* Grid Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.feature-card {
    background: #fff;
    padding: 25px;
    border-left: 5px solid var(--accent-orange);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.feature-card h3 { margin-bottom: 10px; color: var(--bg-dark); }

/* Lists */
.check-list {
    list-style: none;
    max-width: 1000px;
    margin: 0 auto;
}

.check-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
}

.check-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--accent-orange);
    font-weight: bold;
}

/* Footer */
footer {
    background-color: #000;
    color: var(--text-light);
    text-align: center;
    padding: 60px 20px;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    section h2 { font-size: 1.8rem; }
}