:root {
    --primary-color: #003366;
    --secondary-color: #FF9900;
    --accent-color: #006600;
    --light-color: #f8f9fa;
    --dark-color: #333333;
    --white: #ffffff;
    --black: #000000;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --transition: all 0.3s ease;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: transparent;
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-padding {
    padding: 80px 0;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 15px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover {
    background-color: transparent;
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

.btn-light:hover {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    width: 50px;
    height: 50px;
}

.logo-text h1 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0;
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--secondary-color);
    display: block;
}

.nav-list {
    display: flex;
    gap: 20px;
}

.nav-link {
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

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

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* About Hero Slideshow */
.about-hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    overflow: hidden;
    margin-top: 80px;
}

.slideshow-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slideshow-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 51, 102, 0.6);
    z-index: 1;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
    width: 90%;
    max-width: 800px;
}

.slide-title {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
}

.slide-text {
    font-size: 1.5rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

.slide-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 3;
}

.slide-prev, .slide-next {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.slide-prev:hover, .slide-next:hover {
    background-color: var(--secondary-color);
}

.slide-indicators {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 3;
}

.slide-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.slide-indicator.active {
    background-color: var(--white);
    transform: scale(1.2);
}

/* Company Section */
.company-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.company-text {
    flex: 1;
}

.company-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.company-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--light-color);
    padding: 15px;
    border-radius: var(--border-radius);
}

.detail-item i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* Mission Section */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.mission-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.mission-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.mission-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Values Section */
.values-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.values-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.values-list {
    flex: 1;
}

.value-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.value-icon {
    width: 60px;
    height: 60px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.value-text {
    flex: 1;
}

/* History Section */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--secondary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
}

.timeline-year {
    width: 100px;
    height: 100px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    z-index: 1;
}

.timeline-content {
    width: calc(50% - 80px);
    padding: 20px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-title {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Achievements Grid */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 20px;
}

.achievement-card {
    background-color: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-5px);
}

.achievement-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .company-content,
    .values-content {
        flex-direction: column;
    }
    
    .company-image,
    .values-image {
        order: -1;
    }
    
    .timeline::before {
        left: 50px;
    }
    
    .timeline-item {
        flex-direction: column;
    }
    
    .timeline-year {
        margin-bottom: 20px;
    }
    
    .timeline-content {
        width: calc(100% - 100px);
        margin-left: 100px !important;
    }
}

@media (max-width: 768px) {
    .about-hero {
        height: 60vh;
        min-height: 400px;
    }
    
    .slide-title {
        font-size: 2.2rem;
    }
    
    .slide-text {
        font-size: 1.2rem;
    }
    
    .slide-prev,
    .slide-next {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 576px) {
    .about-hero {
        height: 50vh;
        min-height: 300px;
    }
    
    .slide-title {
        font-size: 1.8rem;
    }
    
    .slide-text {
        font-size: 1rem;
    }
    
    .company-details {
        grid-template-columns: 1fr;
    }
    
    .timeline-content {
        width: calc(100% - 70px);
        margin-left: 70px !important;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-title {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-link {
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-contact li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 30px;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
}