/* Root Variables for Colors, Fonts, Spacing, Shadows */
:root {
    /* Colors */
    --color-primary-green: #2ecc71; /* Vibrant Green for primary actions/highlights */
    --color-primary-darkgreen: #27ae60; /* Darker Green for hover states */
    --color-secondary-orange: #e67e22; /* Bright Orange for accents/highlights */
    --color-secondary-darkorange: #d35400; /* Darker Orange for hover */
    --color-background-dark: #2c3e50; /* Dark Blue-Grey for main backgrounds */
    --color-background-dark-alt: #34495e; /* Slightly lighter dark for alternating sections */
    --color-background-light: #ecf0f1; /* Light Grey for contrasting sections */
    --color-text-light: #f8f9fa; /* Off-white for text on dark backgrounds */
    --color-text-dark: #34495e; /* Dark text for light backgrounds */
    --color-border: #7f8c8d; /* Grey for subtle borders */
    --color-overlay-dark: rgba(0, 0, 0, 0.7); /* Dark overlay for hero */

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-size-base: 1rem;
    --font-size-h1: 3.8rem;
    --font-size-h2: 2.8rem;
    --font-size-h3: 2rem;
    --font-size-h4: 1.5rem;
    --font-size-large: 1.15rem;
    --font-size-small: 0.875rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-xxxl: 4rem;

    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0,0,0,0.1);
    --shadow-md: 0 5px 15px rgba(0,0,0,0.2);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.3);

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Transitions */
    --transition-speed: 0.3s;
    --transition-timing: ease-in-out;
}

/* Universal Box-Sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text-light); /* Default text color for body */
    background-color: var(--color-background-dark); /* Default background for body */
    scroll-behavior: smooth;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--color-primary-green);
    transition: color var(--transition-speed) var(--transition-timing);
}

a:hover {
    color: var(--color-primary-darkgreen);
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-light); /* Headings are light by default */
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-shadow: var(--shadow-sm); /* Subtle shadow for headings */
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
    margin-bottom: var(--spacing-md);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section-padding {
    padding: var(--spacing-xxxl) 0;
}

.text-center {
    text-align: center;
}

.section-subtitle {
    font-size: var(--font-size-large);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xxl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.bg-dark-alt {
    background-color: var(--color-background-dark-alt);
    color: var(--color-text-light);
}

.bg-light-alt {
    background-color: var(--color-background-light);
    color: var(--color-text-dark); /* Dark text on light background */
}
.bg-light-alt h2, .bg-light-alt h3, .bg-light-alt p, .bg-light-alt li {
    color: var(--color-text-dark); /* Ensure all text is dark */
}


.highlight-green {
    color: var(--color-primary-green);
}

.highlight-orange {
    color: var(--color-secondary-orange);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-speed) var(--transition-timing);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background-color: var(--color-primary-green);
    color: var(--color-text-light);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-primary-darkgreen);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-secondary-orange);
    border: 2px solid var(--color-secondary-orange);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--color-secondary-orange);
    color: var(--color-text-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}


/* Header & Navigation */
.main-header {
    background-color: transparent; /* Semi-transparent dark header */
    padding: 0; /* CHANGED: Removed all padding to make it as compact as possible vertically */
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: background-color var(--transition-speed) var(--transition-timing);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    /* You might want to add a minimum height here if the logo gets too small,
       e.g., min-height: 80px; */
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px; /* Keep this optimized height, or reduce further to 60px if needed */
    width: 350px; /* Ensure aspect ratio is maintained */
    max-width: 100%;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: var(--spacing-xl);
}

.nav-item .nav-link {
    color: var(--color-text-light);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-timing);
    padding: var(--spacing-sm) var(--spacing-md); /* Keep navigation link padding for readability */
    border-radius: var(--border-radius-sm);
    position: relative;
    overflow: hidden;
}

.nav-item .nav-link:hover {
    color: var(--color-primary-green);
}

.nav-item .nav-link.active {
    color: var(--color-primary-green);
    font-weight: 600;
}

/* Underline effect for nav links */
.nav-item .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary-green);
    transition: width var(--transition-speed) var(--transition-timing);
}

.nav-item .nav-link:hover::after,
.nav-item .nav-link.active::after {
    width: 100%;
}

/* Underline effect for nav links */
.nav-item .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary-green);
    transition: width var(--transition-speed) var(--transition-timing);
}

.nav-item .nav-link:hover::after,
.nav-item .nav-link.active::after {
    width: 100%;
}

/* Hamburger Menu (for mobile) */
.hamburger {
    display: none; /* Hidden by default on desktop */
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-text-light);
    border-radius: 2px;
    transition: all var(--transition-speed) var(--transition-timing);
}

.hamburger.open span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px; /* Offset for fixed header */
    text-align: center;
}

.hero-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-overlay-dark); /* Dark overlay for text readability */
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3; /* Ensure content is above the overlay */
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-content h1 {
    font-size: var(--font-size-h1);
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.hero-description-text {
    font-size: var(--font-size-large);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xxl);
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
}

.hero-button-group {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap; /* Allow buttons to wrap on small screens */
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-content h2 {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.about-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.service-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-speed) var(--transition-timing), box-shadow var(--transition-speed) var(--transition-timing);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-card .card-icon {
    font-size: var(--font-size-h2);
    color: var(--color-primary-green);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-dark);
    font-size: var(--font-size-base);
    margin-bottom: 0;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.benefit-item {
    background-color: rgba(255, 255, 255, 0.1); /* Subtle background for items */
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform var(--transition-speed) var(--transition-timing), background-color var(--transition-speed) var(--transition-timing);
}

.benefit-item:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    font-size: var(--font-size-h2);
    color: var(--color-secondary-orange);
    margin-bottom: var(--spacing-md);
}

.benefit-item h3 {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.benefit-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-base);
    margin-bottom: 0;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr; /* Info on left, form on right */
    gap: var(--spacing-xxl);
    margin-top: var(--spacing-xxl);
    align-items: flex-start; /* Align sections to the top */
}

.contact-info, .contact-form {
    background-color: white;
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    color: var(--color-text-dark); /* Dark text on light background */
}

.contact-info h3, .contact-form h3 {
    color: var(--color-primary-green);
    margin-bottom: var(--spacing-lg);
    text-align: left; /* Ensure headings within these sections are left-aligned */
}

.contact-info ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-xl);
}

.contact-info ul li {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
    color: var(--color-text-dark);
}

.contact-info ul li i {
    color: var(--color-secondary-orange);
    font-size: var(--font-size-large);
    margin-top: 4px; /* Align icon with text */
}

.contact-info ul li a {
    color: var(--color-text-dark);
    text-decoration: none;
}

.contact-info ul li a:hover {
    color: var(--color-primary-green);
    text-decoration: underline;
}

.contact-info .social-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start; /* Align social links to the left */
}

.social-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-primary-green);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 1.25rem;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.social-icon:hover {
    background-color: var(--color-secondary-orange);
    transform: translateY(-3px);
}

.contact-form .form-group {
    margin-bottom: var(--spacing-md);
}

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text-dark);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    background-color: var(--color-background-light);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form input[type="tel"]:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary-green);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.2);
    outline: none;
}

.contact-form textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-form .form-submit-btn {
    width: auto; /* Allow button to size based on content */
    padding: var(--spacing-md) var(--spacing-xxl);
    margin-top: var(--spacing-lg);
    align-self: flex-start; /* Align button to the left */
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* Footer */
.main-footer {
    background-color: var(--color-background-dark);
    color: var(--color-text-light);
    padding: var(--spacing-xxl) var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
    justify-content: center; /* Center the grid items */
}

.footer-col {
    text-align: left; /* Default alignment */
}

.footer-col h3 {
    color: var(--color-primary-green);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-h4);
}

.footer-logo {
    height: 50px; /* Adjust as needed */
    width: auto;
    max-width: 100%;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: var(--font-size-large);
    color: rgba(255, 255, 255, 0.8);
}

.footer-links ul, .footer-contact ul {
    list-style: none;
    padding: 0;
}

.footer-links li, .footer-contact li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-speed);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.footer-contact i {
    color: var(--color-secondary-orange);
    margin-top: 4px;
}

.footer-contact a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-contact a:hover {
    color: var(--color-primary-green);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-small);
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    :root {
        --font-size-h1: 3rem;
        --font-size-h2: 2.2rem;
        --font-size-h3: 1.8rem;
    }
    .hero-content {
        max-width: 700px;
    }
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .about-image {
        order: -1; /* Move image above text on mobile */
        margin-bottom: var(--spacing-xl);
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-info, .contact-form {
        text-align: center;
    }
    .contact-info h3, .contact-form h3 {
        text-align: center;
    }
    .contact-info ul, .contact-info .social-links {
        justify-content: center;
    }
    .contact-info ul li {
        justify-content: center;
    }
    .contact-form .form-submit-btn {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    .nav-menu {
        display: none; /* Hidden by default */
        flex-direction: column;
        position: fixed;
        top: 70px; /* Adjust based on header height */
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-background-dark);
        padding: var(--spacing-xxl) 0;
        justify-content: flex-start;
        align-items: center;
        overflow-y: auto;
        z-index: 999;
        transform: translateX(100%);
        transition: transform var(--transition-speed) ease-in-out;
    }
    .nav-menu.open {
        display: flex;
        transform: translateX(0);
    }
    .nav-menu ul {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }
    .nav-item {
        width: 100%;
        text-align: center;
    }
    .nav-item .nav-link {
        padding: var(--spacing-md) 0;
        font-size: var(--font-size-large);
        display: block;
    }
    .nav-item .nav-link::after {
        display: none; /* Hide underline on mobile */
    }
    .hamburger {
        display: flex;
    }
    .hero-content h1 {
        font-size: var(--font-size-h2);
    }
    .hero-description-text {
        font-size: var(--font-size-base);
    }
    .hero-button-group {
        flex-direction: column;
    }
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-col {
        margin-bottom: var(--spacing-xl);
    }
    .footer-col h3 {
        margin-bottom: var(--spacing-md);
    }
    .footer-contact li, .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-h1: 2.2rem;
        --font-size-h2: 1.8rem;
        --font-size-h3: 1.5rem;
    }
    .section-padding {
        padding: var(--spacing-xxl) 0;
    }
    .hero-content {
        padding: var(--spacing-sm);
    }
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-small);
    }
    .logo-img {
        height: 50px;
    }
}