/* =========================================
   1. RESET & GLOBAL VARIABLES
   ========================================= */
:root {
    --primary: #2A7F85;       /* Teal */
    --primary-dark: #1F6064;  /* Dark Teal */
    --secondary: #3A4E58;     /* Slate Grey */
    --accent: #E8F1F2;        /* Light Mist */
    --text-dark: #1a1a1a;
    --text-light: #555555;
    --white: #ffffff;
    --max-width: 1200px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden; /* Prevents side scroll on mobile */
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================================
   2. NAVIGATION (UNIFIED)
   ========================================= */
.navbar {
    background: var(--white);
    padding: 15px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

.btn-nav {
    border: 2px solid var(--primary);
    padding: 8px 24px;
    border-radius: 4px;
    color: var(--primary) !important;
}

.btn-nav:hover {
    background: var(--primary);
    color: var(--white) !important;
}

/* =========================================
   3. HERO SECTIONS (BETTER IMAGERY)
   ========================================= */
.hero, .page-header, .guide-hero {
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    position: relative;
}

/* Dark Overlay to make text pop */
.hero::before, .page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(58, 78, 88, 0.9), rgba(42, 127, 133, 0.85));
    z-index: 1;
}

.hero-content, .header-content {
    position: relative;
    z-index: 2;
    padding: 140px 0;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.highlight { color: #8ce6eb; }

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.95;
    font-weight: 300;
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 16px 40px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(42, 127, 133, 0.3);
}

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

/* =========================================
   4. SERVICES & CARDS
   ========================================= */
.section-light { padding: 100px 0; background: var(--white); }
.section-gray { padding: 100px 0; background: #f9fbfc; }

/* Parallax Background for Services */
.section-image-bg {
    padding: 100px 0;
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)), url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?auto=format&fit=crop&w=1920&q=80');
    background-attachment: fixed; /* Creates parallax effect */
    background-size: cover;
    color: var(--white);
}

.section-header { text-align: center; margin-bottom: 70px; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 15px; color: inherit; }
.divider { width: 80px; height: 4px; background: var(--primary); margin: 0 auto; border-radius: 2px; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 8px;
    transition: 0.3s;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-