/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Accessibility - Visually Hidden (SEO H1) */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:root {
    --primary-color: #006747;
    --primary-dark: #004d34;
    --secondary-color: #00a86b;
    --accent-color: #ffd700;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --text-lighter: #999;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow-sm: rgba(0, 0, 0, 0.08);
    --shadow: rgba(0, 0, 0, 0.12);
    --shadow-lg: rgba(0, 103, 71, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(180deg, #000000 0%, var(--primary-color) 100%);    
    color: var(--white);
    padding: 20px 0;
    box-shadow: 0 4px 20px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

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

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

.logo .tagline {
    font-size: 13px;
    opacity: 0.85;
    margin-top: 5px;
    letter-spacing: 0.5px;
    text-align: center;
    color: var(--white);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 35px;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    transition: all 0.3s ease;
    padding: 8px 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--accent-color);
}

nav a:hover::after {
    width: 100%;
}

/* Hero Slider Section */
.hero-slider {
    position: relative;
    height: 600px;
    overflow: hidden;
}

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

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

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

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

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 103, 71, 0.7) 0%, rgba(0, 168, 107, 0.6) 100%);
    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: 900px;
}

.slide-content h2 {
    font-size: 56px;
    margin-bottom: 25px;
    font-weight: 800;
    letter-spacing: -1px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.slide-content p {
    font-size: 22px;
    opacity: 0.95;
    margin: 0 auto 40px;
    line-height: 1.7;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-size: 24px;
    padding: 15px 20px;
    cursor: pointer;
    z-index: 3;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.slider-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--accent-color);
    transform: translateY(-50%) scale(1.1);
}

.slider-nav.prev {
    left: 30px;
}

.slider-nav.next {
    right: 30px;
}

.slider-dots {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.dot.active {
    background: var(--accent-color);
    border-color: var(--white);
    width: 40px;
    border-radius: 10px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.wave-divider {
    transform: rotate(180deg);
    border: none;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(200% + 1.3px);
    height: 50px;
    animation: wave-move 10s linear infinite;
}

.wave-path {
    fill: var(--white);
    animation: wave-morph 8s ease-in-out infinite alternate;
}

@keyframes wave-move {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes wave-morph {
    0%, 100% {
        d: path("M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V0H0V27.35A600.21,600.21,0,0,0,321.39,56.44Z");
    }
    50% {
        d: path("M321.39,40c58-8,114.16-20,172-30,82.39-12,168.19-15,250.45,0C823.78,25,906.67,60,985.66,80c70.05,15,146.53,20,214.34,0V0H0V20A600.21,600.21,0,0,0,321.39,40Z");
    }
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--white);
    position: relative;
}

.services h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.services h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 35px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 5px 25px var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.video-wrapper video {
    width: 100%;
    max-width: 960px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
}

/* Fleet Section */
.fleet {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8f0f5 100%);
    position: relative;
}

.fleet h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.fleet h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.fleet-info {
    display: flex;
    justify-content: space-around;
    margin-bottom: 60px;
    flex-wrap: wrap;
    gap: 40px;
}

.fleet-stat {
    text-align: center;
    flex: 1;
    min-width: 220px;
    padding: 30px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 5px 25px var(--shadow-sm);
    transition: all 0.3s ease;
}

.fleet-stat:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-lg);
}

.fleet-stat h3 {
    font-size: 56px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fleet-stat p {
    font-size: 18px;
    color: var(--text-light);
    font-weight: 500;
}

.fleet-description {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-light);
    line-height: 1.9;
    font-size: 17px;
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 5px 25px var(--shadow-sm);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 40px;
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.about p {
    max-width: 900px;
    margin: 0 auto 25px;
    color: var(--text-light);
    line-height: 1.9;
    font-size: 17px;
}

.values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    margin-top: 70px;
}

.value-item {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
    border-radius: 16px;
    box-shadow: 0 5px 25px var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.value-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-lg);
    border-color: var(--secondary-color);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.value-item:hover .value-icon {
    transform: scale(1.15) rotate(-5deg);
}

.value-item h4 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
}

.value-item p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 15px;
}

/* Blog Section */
.blog {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f0f5 100%);
}

.blog h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.blog h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.blog-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 25px var(--shadow-sm);
    transition: all 0.4s ease;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-lg);
}

.blog-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-content {
    padding: 30px;
}

.blog-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.blog-date {
    font-size: 14px;
    color: var(--text-light);
}

.blog-category {
    font-size: 13px;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 20px;
    font-weight: 600;
}

.blog-content h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.4;
}

.blog-content p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 15px;
    margin-bottom: 20px;
}

.blog-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.blog-link:hover {
    color: var(--primary-color);
    gap: 10px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.contact h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 60px;
    color: var(--white);
    font-weight: 700;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.contact-info {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-item {
    text-align: center;
    flex: 1;
    min-width: 220px;
    padding: 35px 25px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.contact-item h4 {
    color: var(--accent-color);
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.contact-item p {
    color: var(--white);
    font-size: 16px;
    opacity: 0.95;
}

/* Footer */
footer {
    background: linear-gradient(180deg, #000000 0%, var(--primary-color) 100%);    
    color: var(--white);
    padding: 20px 0;
    text-align: center;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

footer p {
    margin: 8px 0;
    opacity: 0.85;
    font-size: 15px;
}

footer p:first-child {
    font-weight: 500;
}

/* Video Section */
.video-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f0f5 100%);
    text-align: center;
}

.video-section h2 {
    font-size: 42px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.video-subtitle {
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.8;
    text-align: justify;
}

.video-wrapper {
    position: relative;
    width: 100%;
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 20px;
    }

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

    nav a {
        font-size: 14px;
    }

    .hero-slider {
        height: 500px;
    }

    .slide-content h2 {
        font-size: 36px;
    }

    .slide-content p {
        font-size: 18px;
    }

    .slider-nav {
        padding: 10px 15px;
        font-size: 18px;
    }

    .slider-nav.prev {
        left: 15px;
    }

    .slider-nav.next {
        right: 15px;
    }

    .slider-dots {
        bottom: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        padding: 10px;
    }

    .services h2,
    .fleet h2,
    .about h2,
    .blog h2,
    .contact h2 {
        font-size: 32px;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .fleet-stat h3 {
        font-size: 42px;
    }

    .values {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .services h2,
    .fleet h2,
    .about h2,
    .contact h2 {
        font-size: 28px;
    }

    .service-card,
    .value-item {
        padding: 30px 20px;
    }
}

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

/* Selection */
::selection {
    background: var(--secondary-color);
    color: var(--white);
}

/* Scroll reveal animation */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}