/* Basic Reset & Global Styles */
:root {
    /* Color Variables */
    --primary-blue: #005EB8;
    --primary-blue-dark: #004a94;
    --accent-red: #DA291C;
    --accent-red-dark: #b02015;
    --text-dark: #333;
    --text-medium: #555;
    --text-light: #bdc3c7;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #343a40;
    --border-light: #e0e6ed;
    --border-medium: #495057;
    
    /* Typography */
    --font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.2rem;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 10px;
    --spacing-sm: 15px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    --spacing-xxl: 60px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 1.0s ease-out;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.07);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-xl: 0 5px 15px rgba(0, 94, 184, 0.1);
}

body, h1, h2, h3, h4, p, ul, li, a, button {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
    line-height: var(--line-height-base);
}

body {
    color: var(--text-dark);
    background-color: var(--bg-light);
    font-weight: 400;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    overflow: hidden;
    padding: 0 var(--spacing-md);
}

/* Header */
header {
    background: var(--bg-white);
    color: var(--text-dark);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

header #logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-normal);
}

header #logo:hover {
    color: var(--primary-blue-dark);
}

header nav ul {
    list-style: none;
    display: flex;
}

header nav ul li:not(:last-child) {
    margin-left: 25px;
    display: flex;
    align-items: center;
}

header nav ul li a {
    color: var(--text-medium);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: color var(--transition-normal);
    padding: var(--spacing-xs) 0;
}

header nav ul li a:hover,
header nav ul li a.active {
    color: var(--primary-blue);
}

header nav ul li a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.header-cta-btn {
    background-color: var(--accent-red);
    color: var(--bg-white) !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 3px;
    text-decoration: none;
    font-weight: 500;
    margin-left: 25px;
    transition: background-color var(--transition-normal);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.header-cta-btn:hover {
    background-color: var(--accent-red-dark);
}

.header-cta-btn:focus {
    outline: 2px solid var(--bg-white);
    outline-offset: 2px;
}

/* Hamburger Menu Toggle Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
    min-height: 44px;
    min-width: 44px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 5px 0;
    transition: all var(--transition-normal);
}

/* Hero Section */
#hero {
    color: var(--bg-white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 94, 184, 0.75) 0%, rgba(0, 74, 154, 0.85) 100%);
    z-index: 1;
}

#hero .container {
    position: relative;
    z-index: 2;
}

#hero h1 {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

#hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background: var(--bg-white);
    color: var(--primary-blue);
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 3px;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    border: 1px solid var(--primary-blue);
    cursor: pointer;
    font-weight: 500;
    margin: 5px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    background: #f0f0f0;
    color: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    transform: translateY(-2px);
}

.btn:focus {
    outline: 2px solid var(--bg-white);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--bg-white);
    border: 1px solid var(--primary-blue);
}

.btn-primary:hover {
    background: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    color: var(--bg-white);
}

/* Hero Video Background */
#hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    pointer-events: none;
}

/* Loading state for video */
.video-loading {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
}

/* Sections General Styling */
section {
    padding: var(--spacing-xxl) 0;
}

section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: var(--spacing-xl);
    color: var(--bg-dark);
    font-weight: 600;
}

/* About Section */
#about {
    background: var(--bg-white);
}

.about-content {
    display: flex;
    align-items: stretch;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.about-image {
    flex: 1;
    min-width: 280px;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}

.about-text {
    flex: 1;
    min-width: 280px;
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--text-medium);
}

/* Industries Section */
#industries {
    background: var(--bg-white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
}

.industry-item {
    padding: var(--spacing-md);
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.industry-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.industry-item .icon {
    margin-bottom: var(--spacing-xs);
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.industry-item h4 {
    color: #2c3e50;
    font-size: var(--font-size-lg);
}

.industry-item .icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#solutions {
    background-color: var(--bg-light);
}

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

.service-item {
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.service-item .icon {
    margin-bottom: var(--spacing-sm);
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-item .icon img {
    height: 50px;
    width: 80px;
    object-fit: cover;
}

.service-item h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-blue);
}

.service-item p {
    font-size: 0.95rem;
    color: var(--text-medium);
}

/* Service Item Animation */
.service-item {
    opacity: 1;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.service-item.start-from-left {
    transform: translateX(-100px);
}

.service-item.start-from-right {
    transform: translateX(100px);
}

.service-item.animate-in {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

.service-link {
    text-decoration: none;
    color: inherit;
}

/* Why Choose Us Section */
#why-choose-us {
    background-color: var(--bg-white);
}

#why-choose-us ul {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}

#why-choose-us ul li {
    background: var(--bg-white);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 3px;
    border-left: 4px solid var(--primary-blue);
    font-size: 1.05rem;
    box-shadow: var(--shadow-sm);
}

#why-choose-us ul li::before {
    content: "✔ ";
    color: var(--primary-blue);
    font-weight: bold;
    margin-right: var(--spacing-xs);
}

/* Milestones Section */
#milestones {
    background-color: var(--primary-blue-dark);
    color: var(--bg-white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

#milestones h2 {
    color: var(--bg-white);
    margin-bottom: 50px;
}

.milestones-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.milestone-item {
    flex: 1;
    min-width: 150px;
    max-width: 200px;
    text-align: center;
}

.milestone-number {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 5px;
}

.milestone-item p {
    font-size: var(--font-size-base);
    font-weight: 400;
    color: var(--border-light);
}

/* Partners Section */
#partners {
    background: var(--bg-white);
    padding-bottom: var(--spacing-xl);
}

.partners-scroller {
    overflow: hidden;
    width: 100%;
    position: relative;
    margin-top: var(--spacing-md);
}

.partners-scroller::before,
.partners-scroller::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 75px;
    z-index: 2;
    pointer-events: none;
}

.partners-scroller::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-white) 20%, rgba(255,255,255,0) 100%);
}

.partners-scroller::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-white) 20%, rgba(255,255,255,0) 100%);
}

.partners-track {
    display: flex;
    width: calc(180px * 19 * 2);
    animation: scrollLogos 40s linear infinite;
}

.partner-logo {
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    padding: var(--spacing-md);
    min-height: 80px;
    min-width: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 3px;
    transition: box-shadow var(--transition-normal);
    width: 150px;
    height: 80px;
    margin-right: var(--spacing-lg);
    flex-shrink: 0;
}

.partner-logo:hover {
    box-shadow: var(--shadow-lg);
    animation-play-state: paused;
}

.partner-logo img {
    max-width: 120px;
    max-height: 60px;
    object-fit: contain;
}

@keyframes scrollLogos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(180px * -19));
    }
}

/* Customer Section */
#customers {
    background-color: var(--bg-light);
}

#customers .partners-scroller::before {
    background: linear-gradient(to right, var(--bg-light) 20%, rgba(248,249,250,0) 100%);
}

#customers .partners-scroller::after {
    background: linear-gradient(to left, var(--bg-light) 20%, rgba(248,249,250,0) 100%);
}

.customers-track {
    display: flex;
    width: calc(180px * 8 * 2);
    animation: scrollCustomerLogos 30s linear infinite;
}

@keyframes scrollCustomerLogos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(180px * -8));
    }
}

/* Contact Section */
#contact {
    background: var(--bg-light);
}

.contact-main-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

#contact .contact-info {
    flex: 1;
    min-width: 300px;
    text-align: left;
}

.contact-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.contact-image img {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

#contact .contact-info p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--text-medium);
}

#contact .contact-info strong {
    color: var(--bg-dark);
}

#contact .contact-info a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-normal);
}

#contact .contact-info a:hover {
    color: var(--accent-red);
}

#contact .contact-info a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.map-container {
    margin-top: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    padding-top: 56.25%;
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: #ecf0f1;
    padding: 50px 0 var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.footer-column {
    flex: 1;
    min-width: 200px;
    margin-bottom: var(--spacing-md);
}

.footer-column h4 {
    color: var(--bg-white);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--primary-blue);
    padding-bottom: 8px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-column ul li a:hover {
    color: var(--bg-white);
}

.footer-column ul li a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-medium);
    font-size: 0.9rem;
}

/* Why Partner Flex Layout */
.why-partner-flex {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.why-partner-video {
    flex: 1 1 0;
    width: 100%;
    height: auto;
    min-width: 320px;
    min-height: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    align-self: stretch;
}

.why-partner-list {
    flex: 1 1 0;
    min-width: 260px;
    display: flex;
    flex-direction: column;
    justify-content: stretch;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--primary-blue);
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
}

.back-to-top:focus {
    outline: 2px solid var(--bg-white);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-blue);
    color: var(--bg-white);
    padding: 8px;
    text-decoration: none;
    z-index: 1001;
    border-radius: 3px;
}

.skip-link:focus {
    top: 6px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    header nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-xs) 0;
        z-index: 999;
    }

    header nav.nav-active {
        display: block;
    }

    header nav ul {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    header nav ul li {
        margin: 0;
        width: 100%;
    }

    header nav ul li:not(:last-child) {
        margin-left: 0;
    }

    header nav ul li a {
        display: block;
        padding: 12px var(--spacing-md);
        text-align: center;
        font-size: var(--font-size-base);
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    header nav ul li a:hover,
    header nav ul li a.active {
        background-color: var(--bg-light);
    }

    .header-cta-btn {
        margin-left: 0;
        display: block;
        margin: var(--spacing-xs) var(--spacing-md);
        text-align: center;
    }

    #hero h1 {
        font-size: 2.2rem;
    }

    #hero p {
        font-size: var(--font-size-base);
    }

    #hero {
        padding: var(--spacing-xxl) 0;
    }

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

    section h2 {
        font-size: 1.8rem;
    }

    .contact-main-content {
        flex-direction: column;
        align-items: center;
    }

    .contact-image {
        order: -1;
        margin-bottom: var(--spacing-lg);
    }

    #contact .contact-info {
        text-align: center;
    }

    .about-content {
        gap: var(--spacing-md);
    }

    .services-grid {
        gap: var(--spacing-md);
    }

    .service-item {
        padding: var(--spacing-md);
    }

    .service-item h3 {
        font-size: 1.2rem;
    }

    .industries-grid {
        gap: var(--spacing-sm);
    }

    .industry-item {
        padding: var(--spacing-sm);
    }

    .industry-item h4 {
        font-size: var(--font-size-base);
    }

    #why-choose-us ul li {
        padding: 12px var(--spacing-sm);
        font-size: var(--font-size-base);
    }

    .milestones-grid {
        gap: var(--spacing-xl) var(--spacing-md);
    }

    .milestone-item {
        flex-basis: calc(50% - var(--spacing-md));
        min-width: 140px;
    }

    .milestone-number {
        font-size: 2.5rem;
    }

    .partners-scroller::before,
    .partners-scroller::after {
        width: 50px;
    }

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

    .footer-column h4 {
        font-size: 1.1rem;
    }

    .footer-column p,
    .footer-column ul li a {
        font-size: 0.85rem;
    }

    .why-partner-flex {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .why-partner-video,
    .why-partner-list {
        min-width: 0;
        width: 100%;
    }
}

/* Hamburger Animation */
.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    header #logo {
        font-size: 1.5rem;
    }

    #hero h1 {
        font-size: 1.8rem;
    }

    #hero p {
        font-size: 0.9rem;
    }

    .btn {
        padding: var(--spacing-xs) 18px;
        font-size: 0.9rem;
    }

    section h2 {
        font-size: 1.6rem;
        margin-bottom: var(--spacing-lg);
    }

    .milestone-item {
        flex-basis: 100%;
    }
}

/* Contact Form Styles */
.contact-form-container {
    flex: 1;
    min-width: 300px;
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.contact-form-container h4 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    text-align: left;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: 3px;
    font-size: 1rem;
    font-family: var(--font-family);
    transition: border-color var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(0, 94, 184, 0.2);
}

.form-group textarea {
    resize: vertical;
}

/* Screen-reader only class for labels */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

#contact .btn {
    width: 100%;
    background-color: var(--accent-red);
    color: var(--bg-white);
    border-color: var(--accent-red);
}

#contact .btn:hover {
    background-color: var(--accent-red-dark);
    border-color: var(--accent-red-dark);
    color: var(--bg-white);
}

/* Form Status Messages */
#form-status {
    margin-top: var(--spacing-md);
    padding: 15px;
    border-radius: 3px;
    text-align: center;
    font-weight: 500;
}

.form-status-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-status-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}


@media (max-width: 900px) {
    .why-partner-flex {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .why-partner-video,
    .why-partner-list {
        min-width: 0;
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .menu-toggle,
    .back-to-top,
    #hero-video-background,
    .why-partner-video {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .service-item,
    .industry-item {
        page-break-inside: avoid;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
        --shadow-md: 0 2px 4px rgba(0,0,0,0.3);
        --shadow-lg: 0 4px 8px rgba(0,0,0,0.3);
    }
    
    .btn,
    .service-item,
    .industry-item {
        border-width: 2px;
    }
}