/* ===== CSS VARIABLES & FONT IMPORTS ===== */
/* Define global CSS variables for consistent theming */
:root {
    --primary-dark: #121212;
    --primary-gray: #2d2d2d;
    --accent-color: #f8c300;
    --light-bg: #f5f5f5;
    --text-dark: #333;
    --text-light: #fff;
    --medium-gray: #777;
    --transition: all 0.3s ease;
}

/* Import Roboto font for consistent typography */
@font-face {
    font-family: "Roboto";
    src: local("Roboto"), url("vendor/Roboto-Regular.ttf") format("truetype");
}

/* ===== RESET & BASE STYLES ===== */
/* Reset default margins, padding, and box model for consistency */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Roboto", Tahoma, Geneva, Verdana, sans-serif;
}

/* Main body styles with fixed padding for sticky header */
body {
    background-color: var(--light-bg);
    padding-top: 132px; /* Space for fixed header */
}

/* Container for consistent content width and centering */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== COMMON COMPONENT STYLES ===== */
/* Button container for flexible button layouts */
.buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Base button styles with transitions */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
    border: none;
    cursor: pointer;
}

/* Primary button variant */
.btn.primary {
    background-color: var(--accent-color);
    color: var(--text-dark);
}

.btn.primary:hover {
    background-color: var(--primary-gray);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--accent-color);
}

/* Secondary button variant */
.btn.secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 2px solid var(--accent-color);
}

.btn.secondary:hover {
    background-color: var(--accent-color);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Read More link styles with hover animation */
.read-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    margin-top: auto;
    font-size: 1.05rem;
}

.read-more:hover {
    color: var(--primary-gray);
    gap: 12px;
}

/* ===== GLOBAL SECTION HEADER STYLES ===== */
/* Reusable header component for consistent section titles across the site */

.section {
    padding: 80px 20px;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--medium-gray);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== HEADER STYLES ===== */

/* Top Bar - Fixed contact and social media section */
.top-bar {
    background-color: var(--primary-dark);
    color: var(--text-light);
    padding: 12px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1001; /* Higher z-index to stay above header bar */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

/* Contact information section */
.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-item i {
    color: var(--accent-color);
}

.contact-text {
    font-size: 14px;
}

/* Social media links */
.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    color: var(--text-light);
    background-color: var(--primary-gray);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

/* Main Header Bar - Fixed navigation section */
.header-bar {
    background-color: var(--light-bg);
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 44px; /* Height of top bar */
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

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

/* Brand/logo section */
.brand-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo img {
    height: 60px;
    width: auto;
}

.company-info {
    display: flex;
    flex-direction: column;
}

.company-name {
    color: var(--text-dark);
    font-size: 24px;
    font-weight: bold;
    margin: 0;
}

.company-slogan {
    color: var(--text-dark);
    font-size: 16px;
    margin: 5px 0 0 0;
    font-style: italic;
}

/* Main navigation styles */
.main-nav {
    margin-left: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 5px 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Animated underline effect */
.nav-link::after {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--accent-color);
    transition: var(--transition);
}

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

/* Dropdown menu functionality */
.has-dropdown {
    position: relative;
}

.dropdown-arrow {
    color: var(--accent-color);
    font-size: 12px;
    transition: var(--transition);
}

.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Mega menu styles for complex navigation */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 600px;
    background-color: var(--light-bg);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 25px;
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    border-radius: 0 0 8px 8px;
    z-index: 100;
}

.has-dropdown:hover .mega-menu {
    display: grid;
    animation: fadeIn 0.3s ease;
}

.mega-menu-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mega-menu-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-dark);
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--accent-color);
}

.mega-menu-item {
    padding: 8px 12px;
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.mega-menu-item:hover {
    background-color: var(--primary-gray);
    color: var(--text-light);
    transform: translateX(5px);
}

.mega-menu-item i {
    margin-right: 10px;
    color: var(--accent-color);
    width: 20px;
    text-align: center;
}

.mega-menu-item:hover i {
    color: var(--text-light);
}

/* Animation for dropdown menus */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== FOOTER STYLES ===== */
footer {
    background-color: var(--primary-dark);
    color: var(--text-light);
    position: relative;
}

/* Floating action buttons (WhatsApp, Back to Top) */
.floating-widgets {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 24px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.whatsapp-btn {
    background-color: #25d366;
}

.go-top-btn {
    background-color: var(--accent-color);
    color: var(--text-dark);
}

.floating-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

/* Main footer content layout */
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-column h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

/* Footer navigation links */
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links li a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.footer-links li a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

/* Footer contact information */
.footer-contact p {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: var(--text-light);
}

.footer-contact i {
    color: var(--accent-color);
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Certifications/partners logo grid */
.certifications-section {
    background-color: var(--light-bg);
    padding: 50px 20px;
    text-align: center;
}

.cert-logo-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    list-style: none;
    align-items: center;
}

.cert-item {
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    height: 100px;
}

.cert-item img {
    max-width: 100%;
    max-height: 70px;
    transition: var(--transition);
}

/* Copyright section */
.copyright {
    background-color: var(--primary-dark);
    text-align: center;
    padding: 20px;
    border-top: 1px solid var(--primary-gray);
}

.copyright p {
    color: var(--text-light);
    margin: 0;
}

/* ===== RESPONSIVE STYLES FOR MAIN.CSS ===== */

/* Large devices (desktops, less than 1200px) */
@media (max-width: 1199.98px) {
    .container {
        max-width: 960px;
        padding: 0 15px;
    }

    .mega-menu {
        width: 500px; /* Reduce mega menu width on smaller screens */
    }

    .section-title {
        font-size: 2.2rem;
    }
}

/* Medium devices (tablets, less than 992px) */
@media (max-width: 991.98px) {
    .container {
        max-width: 720px;
    }

    body {
        padding-top: 116px; /* Adjust for smaller header height */
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }

    /* Stack top bar elements vertically */
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .contact-info {
        justify-content: center;
        gap: 20px;
    }

    /* Adjust header layout for tablets */
    .header-bar .container {
        flex-direction: column;
        gap: 15px;
    }

    .brand-section {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .main-nav {
        margin-left: 0;
        width: 100%;
    }

    .nav-list {
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }

    .mega-menu {
        width: 400px; /* Further reduce mega menu width */
        left: 50%;
        transform: translateX(-50%);
    }

    /* Adjust footer layout */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
        padding: 40px 15px;
    }

    .cert-logo-grid {
        grid-template-columns: repeat(3, 1fr); /* 3 columns on tablets */
        gap: 15px;
    }

    .floating-widgets {
        bottom: 20px;
        right: 20px;
    }

    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* Small devices (landscape phones, less than 768px) */
@media (max-width: 767.98px) {
    .container {
        max-width: 540px;
        padding: 0 10px;
    }

    body {
        padding-top: 180px; /* Increased padding for stacked header */
    }

    .section {
        padding: 60px 20px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }

    /* Stack top bar elements with smaller gaps */
    .top-bar {
        padding: 8px 0;
    }

    .contact-info {
        flex-direction: column;
        gap: 8px;
        width: 100%;
    }

    .contact-item {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }

    /* Adjust header for mobile */
    .header-bar {
        top: 84px; /* Adjust based on stacked top bar height */
    }

    .logo img {
        height: 50px; /* Smaller logo on mobile */
    }

    .company-name {
        font-size: 20px;
    }

    .company-slogan {
        font-size: 14px;
    }

    .nav-list {
        gap: 15px;
    }

    .nav-link {
        font-size: 14px;
        padding: 3px 0;
    }

    .mega-menu {
        width: 300px; /* Single column mega menu on mobile */
        grid-template-columns: 1fr;
        padding: 15px;
    }

    /* Stack footer columns */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 30px 10px;
    }

    .cert-logo-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns on mobile */
        gap: 10px;
    }

    .cert-item {
        height: 80px;
        padding: 10px;
    }

    .cert-item img {
        max-height: 50px;
    }

    .floating-widgets {
        bottom: 15px;
        right: 15px;
        gap: 10px;
    }

    .floating-btn {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
}

/* Extra small devices (portrait phones, less than 576px) */
@media (max-width: 575.98px) {
    .container {
        padding: 0 8px;
    }

    body {
        padding-top: 200px; /* Further adjustment for very small screens */
    }

    .section-title {
        font-size: 1.6rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
    }

    /* Further compact header elements */
    .top-bar {
        padding: 6px 0;
    }

    .contact-text {
        font-size: 12px;
    }

    .header-bar {
        padding: 15px 0;
        top: 92px;
    }

    .nav-list {
        gap: 10px;
    }

    .nav-link {
        font-size: 13px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .buttons {
        gap: 10px;
    }

    /* Single column footer links */
    .footer-content {
        padding: 25px 8px;
    }

    .footer-column h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .cert-logo-grid {
        grid-template-columns: 1fr; /* Single column on very small screens */
    }

    .copyright {
        padding: 15px;
    }

    .copyright p {
        font-size: 14px;
    }
}

/* Mobile landscape orientation specific adjustments */
@media (max-width: 767.98px) and (orientation: landscape) {
    body {
        padding-top: 160px; /* Slightly less padding in landscape */
    }

    .hero {
        height: 60vh; /* Shorter hero in landscape */
        min-height: 250px;
    }
}

/* High-resolution displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo img {
        image-rendering: -webkit-optimize-contrast; /* Improve logo clarity on retina */
    }
}