/* Global Variables */
:root {
    --primary-color: #008080;
    --primary-light: #20b2aa;
    --primary-dark: #006666;
    --primary-gradient: linear-gradient(135deg, #008080 0%, #20b2aa 100%);
    --secondary-color: #333333;
    --text-color: #555555;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --font-main: 'Inter', sans-serif;
    --max-width: 1200px;
    --header-height: 80px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 6px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
}

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

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

.grid {
    display: grid;
    gap: 30px;
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--secondary-color);
    font-size: 1rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-col h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links li {
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

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

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

.social-icons a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #aaa;
}

/* Hero Section */
.hero {
    position: relative;
    height: 85vh;
    min-height: 600px;
    background-image: linear-gradient(135deg, rgba(0, 128, 128, 0.85) 0%, rgba(0, 102, 102, 0.85) 100%),
        url('../images/hero-bg-new.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 20px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 3.8rem;
    margin-bottom: 20px;
    color: var(--white);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    color: #f0f0f0;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
    font-weight: 400;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

/* Intro Section */
.intro {
    background-color: var(--white);
}

.intro h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    text-align: center;
}

.intro p {
    max-width: 800px;
    margin: 0 auto 20px;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Product Categories */
.category-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0;
    overflow: hidden;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.category-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    border-color: var(--primary-color);
}

.category-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

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

.category-content {
    padding: 30px;
}

.category-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.category-card p {
    margin-bottom: 20px;
}

/* Featured Machines */
.machine-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.machine-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.machine-img {
    height: 280px;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

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

.machine-card:hover .machine-img img {
    transform: scale(1.08);
}

.machine-info {
    padding: 30px;
}

.machine-info h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.machine-features {
    margin-bottom: 15px;
    list-style: none;
    padding-left: 0;
    color: var(--text-color);
}

.machine-features li {
    padding: 5px 0 5px 25px;
    position: relative;
}

.machine-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.machine-specs {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: block;
    font-size: 1.05rem;
}

.machine-actions {
    display: flex;
    gap: 10px;
}

/* Why Choose Us */
section[style*="background-color: var(--secondary-color)"] {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: 20px;
    display: inline-block;
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1);
}

.feature-item h4 {
    color: var(--white);
}

.feature-item p {
    color: rgba(255, 255, 255, 0.9);
}

/* Process Cycle */
.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    position: relative;
}

.process-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.process-step:hover .step-number {
    transform: scale(1.15);
}

/* Testimonials */
.testimonial-card {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.testimonial-author {
    font-weight: 600;
    color: var(--secondary-color);
}

/* Forms */
.form-group {
    margin-bottom: 25px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 128, 128, 0.1);
}

textarea.form-control {
    height: 150px;
    resize: vertical;
}

/* FAQ */
.faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    transition: var(--transition);
}

.faq-question {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 10px;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-top: 10px;
}

/* Responsive Adjustments */
@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--white);
        flex-direction: column;
        padding: 40px;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        left: 0;
    }
}

@media (max-width: 768px) {
    .hero {
        height: auto;
        min-height: 500px;
        padding: 80px 0;
        background-attachment: scroll;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .process-steps {
        flex-direction: column;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Machine Content Section */
.machine-content-section {
    background-color: var(--white);
    padding: 60px 0;
}

.machine-content-section h2 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: var(--secondary-color);
}

.machine-content-section p {
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.machine-content-box {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

/* YouTube Video Embed Section */
.video-section {
    background-color: var(--light-bg);
    padding: 60px 0;
}

.video-section h2 {
    text-align: center;
    margin-bottom: 40px;
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.video-embed {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.video-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
    opacity: 0.8;
}

.video-placeholder p {
    font-size: 1.1rem;
    opacity: 0.7;
}

/* More Products Carousel Section */
.more-products-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
}

.more-products-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
}

.products-carousel-wrapper {
    position: relative;
    max-width: 100%;
}

.products-carousel {
    display: flex;
    gap: 25px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.products-carousel::-webkit-scrollbar {
    display: none;
}

.carousel-card {
    min-width: 280px;
    flex-shrink: 0;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.carousel-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.carousel-card-img {
    height: 180px;
    overflow: hidden;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.carousel-card:hover .carousel-card-img img {
    transform: scale(1.05);
}

.carousel-card-img i {
    font-size: 3rem;
    color: #ccc;
}

.carousel-card-content {
    padding: 20px;
}

.carousel-card-content h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.carousel-card-content p {
    font-size: 0.95rem;
    color: var(--text-color);
    margin-bottom: 15px;
    line-height: 1.5;
}

.carousel-card-content .btn {
    padding: 10px 20px;
    font-size: 0.8rem;
    width: 100%;
    text-align: center;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.carousel-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.carousel-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.carousel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive Carousel */
@media (max-width: 768px) {
    .carousel-card {
        min-width: 250px;
    }

    .video-section h2,
    .more-products-section h2 {
        font-size: 1.5rem;
    }
}

/* Video Section Wrapper */
/* Video Section Wrapper */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio relative to width */
    height: 0;
    overflow: hidden;
    max-width: 800px;
    /* Limit width */
    background: #000;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    margin: 0 auto 40px auto;
    /* Center alignment */
}

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

/* Related Machines Carousel */
.carousel-container {
    position: relative;
    padding: 0 40px;
    /* Space for buttons */
    max-width: 1200px;
    margin: 0 auto 40px auto;
}

.related-carousel {
    display: flex;
    overflow-x: auto;
    gap: 30px;
    padding: 20px 5px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    /* Hide scrollbar Firefox */
    scroll-behavior: smooth;
}

.related-carousel::-webkit-scrollbar {
    display: none;
    /* Hide scrollbar Chrome/Safari */
}

.related-carousel .machine-card {
    min-width: 280px;
    max-width: 320px;
    scroll-snap-align: start;
    flex: 0 0 auto;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-carousel .machine-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border: 1px solid #eee;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--primary-color);
}

.carousel-btn:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.prev-btn {
    left: 0;
}

.next-btn {
    right: 0;
}