:root {
    --primary-color: #0f2854; /* Deep Blue - Trust and Professionalism */
    --secondary-color: #13a7f7; /* Light Blue - Energy and Action */
    --accent-color: #13a7f7;
    --accent-hover: #0b8bd1;
    --bg-color: #ecfbff; /* Clean and Modern White/Cyan */
    --white: #ffffff;
    --text-dark: #0f2854; /* Text on light background */
    --text-light: #2c4a6b; /* Softer text, still readable */
    --text-muted: #cbd5e1; /* For dark backgrounds */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 4px 10px rgba(15, 40, 84, 0.05);
    --shadow-md: 0 10px 30px rgba(15, 40, 84, 0.08);
    --border-radius-sm: 12px;
    --border-radius-md: 20px;
    --border-radius-lg: 32px;
    --border-radius-pill: 50px;
}

[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Inter, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-dark);
}

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

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.text-white { color: var(--white) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-light { color: var(--text-light) !important; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 3rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }

/* Buttons */
.btn {
    padding: 14px 28px;
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.btn-primary, .btn-call { /* btn-call is kept for backward compatibility with un-updated pages */
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover, .btn-call:hover {
    background-color: #1a3c75;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 40, 84, 0.2);
}

.btn-accent {
    background-color: var(--accent-color);
    color: var(--white) !important;
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(19, 167, 247, 0.4);
}

.btn-outline {
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    background: rgba(15, 40, 84, 0.05);
}

/* Header & Navigation */
header {
    background: var(--white);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.logo img {
    height: 40px;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}
.logo span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-light);
}

.nav-links a.btn-primary, .nav-links a.btn-call {
    color: var(--white) !important;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    font-weight: 700;
}

/* Mobile Menu Variables & Logic */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    z-index: 1001;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--white);
    padding: 80px 30px 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav a {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    padding: 10px 0;
    border-bottom: 1px solid #e1f5fe;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 40, 84, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-sticky-call {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    z-index: 990;
    box-shadow: var(--shadow-md);
}

/* Hero Section (Bento Style) */
.hero {
    padding: 80px 0 40px;
    background: var(--bg-color);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-content h1 span {
    color: var(--secondary-color);
    position: relative;
    display: inline-block;
}

.hero-content h1 span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(19, 167, 247, 0.2);
    z-index: -1;
    border-radius: 4px;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 32px;
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 200px);
    gap: 20px;
    margin-bottom: 60px;
}

.bento-item {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px;
}

.bento-image {
    grid-column: span 2;
    grid-row: span 2;
    background-size: cover;
    background-position: center;
    padding: 0;
}

.bento-dark {
    background: var(--primary-color);
    color: var(--white);
}

.bento-light {
    background: var(--white);
    color: var(--primary-color);
}

.bento-accent {
    background: var(--secondary-color);
    color: var(--white);
}

.bento-item h3 {
    font-size: 2.5rem;
    margin-bottom: 8px;
    color: inherit; /* Ensures h3 follows the container color */
}

.bento-item p {
    font-size: 0.95rem;
    opacity: 0.9;
    color: inherit;
}

/* Dark Services Section */
.dark-section {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 100px 0;
    border-radius: var(--border-radius-lg);
    margin: 0 20px;
}

.dark-section h2 {
    color: var(--white);
}

.dark-section p {
    color: var(--text-muted); /* Good contrast on deep blue */
}

.dark-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 50px;
}

.dark-card {
    background-color: #163666; /* Slightly lighter than deep blue */
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--border-radius-md);
    padding: 32px;
    transition: var(--transition);
}

.dark-card:hover {
    transform: translateY(-8px);
    background-color: #1c4585;
    border-color: var(--secondary-color); 
}

.dark-card i {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.dark-card h3 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.dark-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Feature/Booking Light Section */
.light-section {
    padding: 100px 0;
    background: var(--bg-color); 
    color: var(--primary-color);
}

.light-section h2, .light-section h3, .light-section h4 {
    color: var(--primary-color);
}

.feature-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-image-box {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.feature-image-box img {
    width: 100%;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

/* Form Styles */
.booking-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid #e1f5fe;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--border-radius-sm);
    border: 1px solid #cceeff;
    background: #f0faff;
    color: var(--text-dark);
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--secondary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(19, 167, 247, 0.2);
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--text-muted);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 20px;
}

footer h4 {
    color: var(--white);
    margin-bottom: 24px;
    font-size: 1.1rem;
}

footer ul li {
    margin-bottom: 12px;
}

footer ul a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

/* Page Headers (for internal pages) */
.page-header {
    background: var(--primary-color);
    padding: 100px 0;
    text-align: center;
    color: var(--white);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    margin-bottom: 60px;
}

.page-header h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 20px;
}

.page-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Old styling compatibility for unmodified pages */
.booking-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
@media (max-width: 768px) {
    .booking-container {
        grid-template-columns: 1fr;
    }
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto auto auto;
    }
    
    .bento-image {
        grid-column: span 2;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links .btn { display: none; }
    
    .mobile-menu-btn { display: block; }
    .mobile-sticky-call { display: flex; }
    
    .hero-content h1 { font-size: 2.5rem; }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .bento-image, .bento-dark, .bento-light, .bento-accent {
        grid-column: span 1;
    }
    
    .dark-section {
        margin: 0;
        border-radius: 0;
        padding: 60px 20px;
    }
    
    .feature-layout {
        grid-template-columns: 1fr;
    }

    body {
        padding-bottom: 80px; /* Space for sticky call button */
    }
}