:root {
    --primary-color: #1A365D; /* Navy Blue */
    --secondary-color: #E53E3E; /* Red Accent */
    --background-color: #FFFFFF;
    --text-color: #2D3748;
    --light-text: #718096;
    --white: #FFFFFF;
    --black: #1A202C;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-dark: rgba(26, 32, 44, 0.8);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.8rem 0;
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

header.scrolled {
    padding: 0.4rem 0;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
}

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

.logo img {
    height: 100px;
    width: auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none; 
    cursor: pointer;
    z-index: 1001;
    width: 30px;
    height: 20px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: #0F172A;
}

.hero-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.25); /* Subtle dark overlay to ground the images */
    z-index: 2;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1000px;
    text-align: center;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.7); /* Modern white glass */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 3.5rem 2rem;
    border-radius: 40px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.2);
    animation: fadeInScale 1s ease-out;
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.badge {
    display: inline-block;
    padding: 0.6rem 2rem;
    background: rgba(229, 62, 62, 0.15);
    color: var(--secondary-color);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    white-space: nowrap;
    border: 1px solid rgba(229, 62, 62, 0.3);
}

h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.accent {
    color: var(--secondary-color);
}

.hero p {
    font-size: 1.1rem;
    color: var(--light-text);
    margin-bottom: 2.5rem;
}

.black-text {
    color: var(--black) !important;
    font-weight: 500;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    background: #122a4a;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -5px rgba(26, 54, 93, 0.4);
}

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

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

/* Services Sections */
.services {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.industrial-bg {
    background: #0F172A;
    color: var(--white);
}

.industrial-bg .section-header h2 {
    color: var(--white);
}

.accent-alt {
    color: #F87171;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.service-card {
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.glass-morphism {
    background: var(--glass);
    backdrop-filter: blur(10px);
}

.glass-morphism-dark {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
}

.card-img {
    height: 250px;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.card-content {
    padding: 2rem;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: #f8fafc;
}

.contact-card {
    background: var(--white);
    padding: 4rem;
    border-radius: 30px;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.05);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.info-item a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

.info-item a:hover {
    color: var(--secondary-color);
}

.whatsapp-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.whatsapp-link svg {
    color: #25D366;
}

/* Footer */
footer {
    padding: 3rem 0;
    background: var(--primary-color);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

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

    .logo img {
        height: 70px;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transition: 0.5s ease-in-out;
        z-index: 1000;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        right: 0;
        display: flex;
    }

    .nav-links a {
        font-size: 1.5rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-carousel {
        width: 100%;
    }

    .hero {
        text-align: center;
        padding-top: 80px;
    }

    .hero-btns {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .hero-content {
        padding: 3rem 1.5rem;
        border-radius: 30px;
        margin: 0 1rem;
        width: 90%;
    }

    .badge {
        font-size: 0.8rem;
        letter-spacing: 1px;
        padding: 0.5rem 1rem;
        white-space: normal;
        line-height: 1.4;
    }

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

    .contact-card {
        padding: 3rem 1.5rem;
    }

    .contact-info {
        flex-direction: column;
        gap: 2rem;
    }
}