/* ==================================================
   TABLE OF CONTENTS:
   1. Global Variables and Base Styles
   2. Accessibility
   3. Header Styles
   4. Navigation
   5. Dropdown Menu
   6. Mobile Menu
   7. Animations
   8. Responsive Styles
   9. Footer Styles
   10. Utility Classes
================================================== */

        /* ==================================================
   1. Global Variables and Base Styles
================================================== */
:root {
    --primary: #0073a4;
    --primary-light: rgba(0, 115, 164, 0.1);
    --primary-medium: rgba(0, 115, 164, 0.5);
    --secondary: #2c3e50;
    --accent: #a5d7e8;
    --light: #f8f9fa;
    --dark: #333;
    --text-primary: #333;
    --text-secondary: #666;
    --text-light: #f8f9fa;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --section-background: #0073a4;
    --section-background-alt: #1a5f7a;
    --slideshow-background: rgba(255, 255, 255, 0.1);
    --button-background: 255, 255, 255;
    --button-text-color: 0, 0, 0;
    --section-gap: 80px;
}

body {
    font-family: "Poppins", sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    color: var(--text-primary);
    background-color: #f5f5f5;
    line-height: 1.6;
}

* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* ==================================================
2. Accessibility
================================================== */
.skip-to-content {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-to-content:focus {
    position: fixed;
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    padding: 15px;
    background: var(--primary);
    color: white;
    z-index: 1001;
    font-weight: 500;
}

/* ==================================================
3. Header Styles
================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.scrolled {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Main Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: inline-block;
}

.logo img {
    max-height: 70px;
    width: auto;
    display: block;
}

/* ==================================================
4. Navigation
================================================== */
/* Top Navigation */
.top-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 5px 40px;
    border-bottom: 1px solid #f0f0f0;
    background-color: #f8f9fa;
}

.top-nav-item {
    margin-left: 30px;
    font-size: 14px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
}

.top-nav-item:hover,
.top-nav-item:focus {
    color: var(--primary);
    text-decoration: underline;
}

.search-icon {
    margin-left: 30px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.search-icon:hover {
    color: var(--primary);
}

.search-icon svg {
    width: 20px;
    height: 20px;
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.main-nav-item {
    margin-left: 40px;
    font-size: 22px;
    font-weight: 500;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    padding: 10px 0;
}

.main-nav-item:after {
    content: "";
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

.main-nav-item:hover,
.main-nav-item:focus,
.main-nav-item.active {
    color: var(--primary);
}

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

.main-nav-item.has-submenu {
    display: flex;
    align-items: center;
}

/* .main-nav-item.has-submenu::after {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    margin-left: 5px;
    transition: transform 0.3s ease;
} */

.main-nav-item.has-submenu.active::after {
    transform: none;
}

/* ==================================================
5. Dropdown Menu
================================================== */
.submenu-container {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: var(--shadow-md);
    z-index: 999;
    display: none;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.submenu-container.active {
    display: block;
    animation: fadeInDown 0.3s ease forwards;
}

.submenu {
    display: flex;
    justify-content: center;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.submenu-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.submenu-item {
    margin-bottom: 0;
}

.submenu-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 16px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    padding: 5px 0;
}

.submenu-link:hover,
.submenu-link:focus {
    color: var(--primary);
}

.submenu-close {
    position: absolute;
    top: 10px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.submenu-close:hover {
    color: var(--primary);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================================================
6. Mobile Menu
================================================== */
.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--primary);
    border-radius: 4px;
}

.mobile-menu-toggle svg {
    stroke: var(--primary);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: white;
    padding: 20px;
    box-shadow: var(--shadow-md);
    z-index: 999;
    max-height: 80vh;
    overflow-y: auto;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-item {
    display: block;
    padding: 15px 0;
    font-size: 16px;
    text-decoration: none;
    color: var(--text-primary);
    border-bottom: 1px solid #eee;
    transition: var(--transition);
    position: relative;
}

.mobile-menu-item:hover,
.mobile-menu-item:focus {
    color: var(--primary);
}

.mobile-menu-item:last-child {
    border-bottom: none;
}

.mobile-submenu-toggle {
    position: absolute;
    right: 0;
    top: 15px;
    background: none;
    border: none;
    font-size: 16px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-submenu-toggle:hover {
    color: var(--primary);
}

.mobile-submenu {
    display: none;
    padding-left: 20px;
    margin-top: 15px;
}

.mobile-submenu.active {
    display: block;
}

.mobile-submenu-item {
    padding: 10px 0;
    display: block;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition);
}

.mobile-submenu-item:hover {
    color: var(--primary);
}

/* Section Title Styles */
.section-heading {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-heading h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    color: var(--primary);
}

.section-heading h2:after {
    content: "";
    position: absolute;
    width: 80px;
    height: 4px;
    background: var(--primary);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-heading p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 1rem auto 0;
}

/* Button styling */
.button {
    background-color: rgb(var(--button-background));
    color: rgb(var(--button-text-color));
    padding: 0.75rem 2.5rem;
    border-radius: 999px;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    display: inline-block;
    border: none;
    font-size: 1rem;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.button--xl {
    padding: 0.75rem 3rem;
    font-size: 1.1rem;
}

.button:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: black;
    transform: translateY(-2px);
}

/* ==================================================
7. Animations
================================================== */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes subtle-zoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.05);
    }
}

@keyframes scroll-down {
    0% {
        opacity: 1;
        transform: translate(-50%, 0);
    }

    80% {
        opacity: 0;
        transform: translate(-50%, 20px);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, 20px);
    }
}

@keyframes scrollX {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-200px * 6));
    }
}

@keyframes slide-up {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slide-in-right {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slide-in-left {
    from {
        transform: translateX(50px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes scaleUp {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

/* ==================================================
8. Responsive Styles
================================================== */
/* Large desktops and laptops */
@media (max-width: 1200px) {
    .logo img {
        max-height: 45px;
    }

    .main-nav-item {
        margin-left: 30px;
        font-size: 20px;
    }

    .submenu-list {
        gap: 20px;
    }
}

/* Medium devices (tablets, less than 992px) */
@media (max-width: 992px) {
    .main-nav-item {
        margin-left: 20px;
        font-size: 18px;
    }

    .logo img {
        max-height: 40px;
    }

    .section-heading h2 {
        font-size: 2.2rem;
    }

    .submenu-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .submenu-item {
        margin-bottom: 10px;
    }
}

/* Small devices (landscape phones, less than 768px) */
@media (max-width: 768px) {
    .main-header {
        padding: 15px 20px;
    }

    .top-nav {
        padding: 5px 20px;
    }

    .top-nav-item {
        margin-left: 15px;
        font-size: 12px;
    }

    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .logo img {
        max-height: 35px;
    }

    .submenu-container {
        display: none !important;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .footer-bottom-links {
        margin-top: 15px;
        justify-content: center;
    }

    .footer-title:after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links a {
        justify-content: center;
    }

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

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

/* ==================================================
9. Footer Styles
================================================== */
.footer {
    background-color: var(--secondary);
    color: var(--text-light);
    padding: 80px 0 20px;
    position: relative;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

.footer-logo span {
    color: var(--primary);
}

.footer-text {
    margin-bottom: 20px;
    opacity: 0.8;
    font-size: 14px;
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
}

.footer-title:after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    display: flex;
    align-items: center;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(3px);
}

.footer-links a i {
    margin-right: 8px;
    font-size: 12px;
}

.footer-contact-info {
    margin-bottom: 25px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-icon {
    min-width: 25px;
    padding-top: 3px;
}

/* Clock styles */
.location-time {
    display: flex;
    align-items: center;
    margin-top: 10px;
    margin-bottom: 15px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.location-time i {
    margin-right: 10px;
    color: var(--primary);
}

.office-location {
    margin-bottom: 5px;
    font-weight: 500;
    color: white;
    font-size: 16px;
}

.address-block {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.address-block:last-child {
    border-bottom: none;
}

.certification-logos {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

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

.cert-icon {
    color: var(--primary);
    font-size: 18px;
}

.cert-name {
    font-size: 12px;
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
}

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

.footer-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 30px 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    font-size: 14px;
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-bottom-links {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive footer */
@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .footer-bottom-links {
        margin-top: 15px;
        justify-content: center;
    }

    .footer-title:after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links a {
        justify-content: center;
    }

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

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

/* Overlay for when submenu is open */
.body-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.body-overlay.active {
    display: block;
    opacity: 1;
}