@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --primary: #0066ff;
    --primary-dark: #0052cc;
    --primary-light: #e6f0ff;
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --border-glass: rgba(0, 0, 0, 0.08);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4, .brand-font {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
}

/* Glassmorphism utility */
.glass {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Mobile responsive padding */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

/* Transitions & Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Loader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loader-logo {
    width: 80px;
    height: 80px;
    border: 4px solid var(--primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05); /* Added subtle shadow for light mode navbar */
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
    color: white;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.4);
}

.logo-text {
    font-size: 1.5rem;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.2);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.4);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-main);
    cursor: pointer;
    z-index: 1001;
}

@media (max-width: 992px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-card);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 40px;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        transition: right 0.4s ease;
    }
    
    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--border-glass);
        padding-bottom: 10px;
    }

    .navbar .nav-cta {
        display: none; /* Hide main CTA in header on mobile to save space */
    }
}


/* Navbar Dropdown */
.nav-links li {
    position: relative;
    list-style: none;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 1rem);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 200px;
    padding: 1rem 0;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: var(--text-main) !important;
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary) !important;
    padding-left: 2rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(5, 10, 24, 0.7), rgba(5, 10, 24, 0.7)), url('../assets/hero_industrial_bg.png');
    background-size: cover;
    background-position: center;
    z-index: -1;
    transform: scale(1.1);
}

.hero-content {
    max-width: 800px;
}

.hero-tagline {
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: block;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 3rem; }
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

/* Machine Expertise */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.machine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.machine-card {
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.machine-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.machine-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

/* Floating Buttons */
.floating-btns {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: white;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.float-btn.whatsapp { background: #25d366; }
.float-btn.call { background: var(--primary); }

.float-btn:hover {
    transform: scale(1.1) translateY(-5px);
}

/* Service Grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.service-card {
    padding: 2rem;
    border-radius: 20px;
    transition: var(--transition);
}

.service-card:hover {
    background: rgba(0, 102, 255, 0.1);
    transform: translateY(-5px);
}

/* Stats Section */
.stats-section {
    background: linear-gradient(90deg, #f8fafc 0%, #e2e8f0 100%); /* Light theme gradient */
    padding: 60px 0;
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.stat-label {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--text-muted);
}

/* Before/After Gallery */
.gallery-container {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: 25px;
    overflow: hidden;
    margin-top: 3rem;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

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

.before-after-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.before-label, .after-label {
    position: absolute;
    bottom: 2rem;
    padding: 0.5rem 1rem;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
    border-radius: 5px;
    font-weight: 600;
    font-size: 0.8rem;
}

.before-label { left: 2rem; }
.after-label { right: 2rem; }

/* FAQ Accordion */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 15px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding: 0 2rem 1.5rem 2rem;
    max-height: 200px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

@media (max-width: 992px) {
    .contact-wrapper { grid-template-columns: 1fr; }
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-form {
    padding: 3rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-glass);
    padding: 1rem;
    border-radius: 10px;
    color: white;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    background: rgba(255,255,255,0.08);
}

/* Footer */
.footer {
    padding: 80px 0 30px;
    background: #f1f5f9; /* Light slate for footer */
    border-top: 1px solid var(--border-glass);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

@media (max-width: 992px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
    .footer-grid { grid-template-columns: 1fr; }
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-glass);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Interactive Gallery Slider */
.gallery-container {
    position: relative;
    width: 100%;
    height: 600px;
    border-radius: 30px;
    overflow: hidden;
    margin-top: 3rem;
    cursor: col-resize;
    user-select: none;
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--primary);
    z-index: 10;
    transform: translateX(-50%);
    pointer-events: none;
}

.slider-handle::after {
    content: '\f337';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.5);
    font-size: 1.2rem;
}

/* Testimonials Carousel */
.testimonials-section {
    padding: 100px 0;
    background: radial-gradient(circle at top right, rgba(0, 102, 255, 0.05), transparent);
}

.testimonial-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.testimonial-item {
    min-width: 100%;
    padding: 2rem;
}

.testimonial-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem;
    text-align: center;
    position: relative;
}

.testimonial-card i.quote {
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.2;
    position: absolute;
    top: 2rem;
    left: 2rem;
}

.testimonial-text {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.author-name {
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    color: var(--primary);
}

.author-role {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-glass);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 10px;
}

/* Vertical Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 4rem auto;
    padding: 2rem 0;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background: var(--border-glass);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

@media (max-width: 768px) {
    .timeline::after { left: 31px; }
}

.timeline-item {
    padding: 1rem 3rem;
    position: relative;
    width: 50%;
    transition: var(--transition);
}

.timeline-item:hover {
    transform: scale(1.02);
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--bg-dark);
    border: 4px solid var(--primary);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.4);
}

.left { left: 0; text-align: right; }
.right { left: 50%; text-align: left; }

.left::after { right: -10px; }
.right::after { left: -10px; }

@media (max-width: 768px) {
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; text-align: left; }
    .timeline-item::after { left: 21px; }
    .right { left: 0; }
}

.timeline-content {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.timeline-content h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
}