/* --- Global Styles --- */
:root {
    --primary-dark: #0A0F1C;
    --secondary-dark: #121A2C;
    --accent-gold: #D4AF37;
    --text-light: #F0F0F0;
    --text-muted: #A0A0A0;
    --border-color: rgba(212, 175, 55, 0.2);
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #FFD700;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    border: 2px solid var(--accent-gold);
}

.btn-primary:hover {
    background-color: #FFD700;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-gold);
    border: 2px solid var(--accent-gold);
}

.btn-secondary:hover {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

/* --- Header --- */
.main-header {
    background: rgba(10, 15, 28, 0.95);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.main-header .logo img {
    height: 300px;
}

.main-nav a:not(.btn) {
    color: var(--text-light);
    margin-left: 2rem;
    font-weight: 500;
}

.main-nav a:not(.btn):hover {
    color: var(--accent-gold);
}

.main-nav .btn {
    margin-left: 2rem;
}

/* --- Hero Section --- */
.hero-section {
    background: linear-gradient(rgba(10, 15, 28, 0.8), rgba(10, 15, 28, 0.8)), url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?q=80&w=2670&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    padding: 10rem 1.5rem;
    text-align: center;
    position: relative;
    color: var(--text-light);
}

.hero-section h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--accent-gold);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-section p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 800px;
    margin: 0 auto 2rem;
    color: var(--text-muted);
}

/* --- General Section Styles --- */
.section {
    padding: 5rem 0;
}

.section-title {
    font-family: var(--font-heading);
    text-align: center;
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.card {
    background-color: var(--secondary-dark);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-gold);
}

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

/* --- Certifications Section --- */
.certifications-section {
    background-color: var(--secondary-dark);
}

.certifications-grid {
    gap: 3rem;
    justify-content: center;
    text-align: center;
}

.certification-badge img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-gold);
    margin-bottom: 0.5rem;
}

.certification-badge h4 {
    font-weight: 500;
    color: var(--text-light);
}

/* --- Contact Section --- */
.contact-section {
    text-align: center;
}

.contact-text {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-details p {
    margin: 1rem 0;
    font-size: 1.1rem;
}

.contact-details a {
    color: var(--accent-gold);
    font-weight: 500;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--primary-dark);
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Responsiveness --- */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
    }
    .main-nav {
        margin-top: 1rem;
    }
    .main-nav a {
        margin: 0 0.75rem;
    }
    .hero-section {
        padding: 8rem 1.5rem;
    }
}