/* --- Variables & Reset --- */
:root {
    --deep-charcoal: #222831;
    --slate-gray: #393E46;
    --electric-blue: #00ADB5;
    --light-text: #EEEEEE;
    --white: #FFFFFF;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth; /* Native smooth scrolling backup */
    font-family: 'Inter', sans-serif;
    color: var(--deep-charcoal);
    line-height: 1.6;
}

body {
    background-color: var(--light-text);
}

/* --- Typography & Utilities --- */
h1, h2, h3 { font-weight: 800; line-height: 1.2; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 5rem 0; }
.bg-alt { background-color: var(--white); }

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}
.section-title h2 {
    font-size: 2.5rem;
    color: var(--deep-charcoal);
}
.underline {
    width: 60px;
    height: 4px;
    background-color: var(--electric-blue);
    margin: 0.5rem auto 1rem;
    border-radius: 2px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}
.btn-primary {
    background-color: var(--electric-blue);
    color: var(--light-text);
}
.btn-primary:hover {
    background-color: #008f96;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 173, 181, 0.3);
}
.btn-block {
    display: block;
    width: 100%;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--deep-charcoal);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.logo a {
    color: var(--light-text);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
}
.logo span {
    color: var(--electric-blue);
}
.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-links a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--electric-blue);
}
.nav-cta {
    background-color: var(--electric-blue);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    color: var(--light-text) !important;
}
.nav-cta:hover {
    background-color: #008f96;
}
.hamburger {
    display: none;
    color: var(--light-text);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(34, 40, 49, 0.9), rgba(57, 62, 70, 0.9)), url('https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&q=80') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text);
    padding-top: 60px; /* Offset for navbar */
}
.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}
.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- About / SEO Article --- */
.seo-article p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--slate-gray);
    text-align: justify;
}
.seo-article strong {
    color: var(--deep-charcoal);
}

/* --- Services --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.service-card {
    background-color: var(--light-text);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}
.service-card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--electric-blue);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
.service-card i {
    font-size: 3rem;
    color: var(--electric-blue);
    margin-bottom: 1.5rem;
}
.service-card h3 {
    margin-bottom: 1rem;
    color: var(--deep-charcoal);
}
.service-card p {
    color: var(--slate-gray);
    font-size: 0.95rem;
}

/* --- Booking Form --- */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--deep-charcoal);
}
.form-group input,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

/* --- Footer --- */
.footer {
    background-color: var(--deep-charcoal);
    color: var(--light-text);
    padding: 3rem 0 1rem;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}
.footer-info h3 { margin-bottom: 1rem; color: var(--electric-blue); }
.footer-info p { margin-bottom: 0.5rem; }
.footer-info i { margin-right: 10px; color: var(--electric-blue); }
.social-icons a {
    color: var(--light-text);
    font-size: 1.5rem;
    margin-left: 1rem;
    transition: var(--transition);
}
.social-icons a:hover {
    color: var(--electric-blue);
}
.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--slate-gray);
    padding-top: 1rem;
    font-size: 0.9rem;
    color: #aaa;
}

/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--electric-blue);
    color: var(--white);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background-color: var(--deep-charcoal);
    transform: translateY(-3px);
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide by default on mobile */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--deep-charcoal);
        padding: 1rem 0;
    }
    .nav-links.active {
        display: flex;
    }
    .hamburger {
        display: block;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    .social-icons a { margin: 0 0.5rem; }
    .form-container { padding: 2rem 1rem; }
}