:root {
    /* Colors - Updated to match Logo (Blue & Gold) */
    --bg-primary: #0a192f;
    /* Deep Navy (Keep for Dark Mode base) */
    --bg-secondary: #112240;
    /* Lighter Navy */
    --text-primary: #e6f1ff;
    /* Off-white */
    --text-secondary: #8892b0;
    /* Muted Blue-Grey */
    --accent-primary: #d4af37;
    /* Gold/Bronze from Logo */
    --accent-hover: #b5952f;
    --brand-blue: #2c5282;
    /* Logo Blue */

    /* Typography */
    --font-main: 'Inter', sans-serif;

    /* Spacing */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.btn-primary {
    background-color: transparent;
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-primary:hover {
    background-color: rgba(100, 255, 218, 0.1);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: #1a3055;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    /* Padding will accommodate larger logo */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    /* Logo size controlled by img tag inline style for now, but can be overridden here */
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    letter-spacing: 1px;
}

.main-nav ul {
    display: flex;
    gap: 3rem;
    /* Increased gap for larger text */
    align-items: center;
}

.main-nav a {
    color: var(--text-primary);
    font-size: 1.3rem;
    /* Increased from 0.9rem */
    font-weight: 500;
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 180px;
    /* Increased header offset for larger logo */
    background-image: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.85)), url('/Users/kosalprum/.gemini/antigravity/brain/b4e09138-994f-46c0-9345-e8623c029079/hero_background_1763568144167.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* About Section */
.about-section {
    background-color: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.placeholder-box {
    width: 100%;
    height: 400px;
    background-color: #233554;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    border-radius: 8px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-card h3 {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--text-secondary);
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-secondary);
    border: 1px solid #233554;
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-main);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

/* Footer */
.site-footer {
    background-color: #020c1b;
    padding: 3rem 0 1rem;
    text-align: center;
}

.footer-content {
    margin-bottom: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    color: #555;
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .main-nav {
        display: none;
        /* Todo: Implement mobile menu */
    }

    .mobile-menu-toggle {
        display: block;
    }
}