/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #D32F2F;
    --primary-dark: #B71C1C;
    --secondary: #1565C0;
    --secondary-dark: #0D47A1;
    --accent: #FF6F00;
    --dark: #212121;
    --gray: #616161;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
    --radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--white);
}

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

ul { list-style: none; }

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

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

/* ===== HEADER / NAVBAR ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    padding-bottom: 10px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 50px;
    width: auto;
    border-radius: 6px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    padding: 8px 18px;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--dark);
    border-radius: 8px;
    position: relative;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(211, 47, 47, 0.08);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== HERO SLIDER ===== */
.hero-slider {
    position: relative;
    width: 100%;
    height: 92vh;
    min-height: 550px;
    overflow: hidden;
    margin-top: 70px;
    background: #111;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.slide.active {
    opacity: 1;
}

.slide img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.55);
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.15) 0%, rgba(13,71,161,0.45) 50%, rgba(0,0,0,0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.slide-content {
    text-align: center;
    color: var(--white);
    padding: 20px;
    max-width: 850px;
}

.slide-content .slide-badge {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.95);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide.active .slide-content {
    animation: fadeInUp 0.8s ease forwards;
}

.slide-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 18px;
    text-shadow: 0 4px 30px rgba(0,0,0,0.5);
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.slide-content p {
    font-size: 1.15rem;
    margin-bottom: 35px;
    opacity: 0.9;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.slide-content .btn-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.slider-dots .dot.active {
    background: var(--white);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(5px);
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--white);
    font-size: 1.3rem;
    z-index: 10;
    transition: var(--transition);
}

.slider-arrow:hover {
    background: rgba(255,255,255,0.4);
}

.slider-arrow.prev { left: 20px; }
.slider-arrow.next { right: 20px; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(211,47,47,0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(211,47,47,0.5);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(21,101,192,0.4);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

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

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

.btn-fill-white {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--white);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.btn-fill-white:hover {
    background: transparent;
    color: var(--white);
}

/* ===== SECTIONS ===== */
.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--light-gray);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.section-title .underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 0 auto 15px;
    border-radius: 2px;
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-card .icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ===== WHY CHOOSE US ===== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.why-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: var(--transition);
}

.why-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.why-item .check {
    width: 35px;
    height: 35px;
    min-width: 35px;
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
}

.why-item h4 {
    font-size: 1rem;
    color: var(--dark);
}

/* ===== INDUSTRIES ===== */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.industry-card {
    background: var(--white);
    padding: 25px 15px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    transition: var(--transition);
    border-left: 4px solid var(--primary);
}

.industry-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-left-color: var(--secondary);
}

.industry-card .ind-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.industry-card h4 {
    font-size: 0.95rem;
    color: var(--dark);
}

/* ===== PRODUCTS PAGE ===== */
.products-hero {
    background: linear-gradient(135deg, var(--secondary-dark), var(--primary));
    padding: 140px 0 80px;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.products-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.products-hero p {
    font-size: 1.15rem;
    opacity: 0.9;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-card .product-img {
    width: 100%;
    overflow: hidden;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.product-card .product-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

.product-card .product-body {
    padding: 25px;
}

.product-card .product-body h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: 10px;
}

.product-card .product-body p {
    color: var(--gray);
    font-size: 0.93rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.product-card .product-body .product-features {
    margin-bottom: 15px;
}

.product-card .product-body .product-features li {
    padding: 4px 0;
    font-size: 0.9rem;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-card .product-body .product-features li::before {
    content: '✔';
    color: #4CAF50;
    font-weight: 700;
    font-size: 0.85rem;
}

.product-tag {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

/* ===== PROFILE / ABOUT PAGE ===== */
.about-hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary-dark));
    padding: 140px 0 80px;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.about-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.about-hero p {
    font-size: 1.15rem;
    opacity: 0.9;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 15px;
    font-size: 1rem;
}

.about-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    min-height: 280px;
    max-height: 450px;
    object-fit: cover;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-card {
    background: var(--white);
    padding: 30px 15px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-card .stat-label {
    font-size: 0.95rem;
    color: var(--gray);
    font-weight: 500;
}

.quality-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.quality-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    font-weight: 500;
    color: var(--dark);
}

.quality-list li .q-check {
    color: #4CAF50;
    font-weight: 700;
    font-size: 1.1rem;
}

/* ===== CONTACT PAGE ===== */
.contact-hero {
    background: linear-gradient(135deg, var(--secondary), var(--primary-dark));
    padding: 140px 0 80px;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.contact-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.contact-hero p {
    font-size: 1.15rem;
    opacity: 0.9;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--dark);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #E0E0E0;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--light-gray);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(211,47,47,0.1);
}

.form-group textarea {
    height: 130px;
    resize: vertical;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 25px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.contact-info-card .info-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.4rem;
}

.contact-info-card h4 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 5px;
}

.contact-info-card p {
    color: var(--gray);
    font-size: 0.93rem;
    line-height: 1.6;
}

.map-container {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-top: 20px;
}

.map-container iframe {
    width: 100%;
    height: 300px;
    border: none;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--white);
    font-size: 1.15rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 10px;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(211,47,47,0.4);
    z-index: 999;
    border: none;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===== PAGE TOP MARGIN ===== */
.page-content {
    margin-top: 70px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero-slider {
        height: 75vh;
        min-height: 450px;
    }

    .slide-content h1 {
        font-size: 2.4rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

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

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

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        height: 100dvh;
        background: var(--white);
        flex-direction: column;
        padding: 100px 30px 30px;
        box-shadow: -5px 0 30px rgba(0,0,0,0.15);
        transition: right 0.4s ease;
        gap: 5px;
        z-index: 999;
        overflow-y: auto;
    }

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

    .nav-links a {
        width: 100%;
        padding: 12px 20px;
        font-size: 1.05rem;
    }

    .hero-slider {
        height: 70vh;
        min-height: 400px;
    }

    .slide-content h1 {
        font-size: 1.8rem;
    }

    .slide-content p {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }

    .slide-content .slide-badge {
        font-size: 0.75rem;
        padding: 5px 15px;
        margin-bottom: 15px;
    }

    .slider-arrow {
        width: 38px;
        height: 38px;
        font-size: 0.95rem;
    }

    .slider-arrow.prev { left: 10px; }
    .slider-arrow.next { right: 10px; }

    .section {
        padding: 50px 0;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .products-hero h1,
    .about-hero h1,
    .contact-hero h1 {
        font-size: 2rem;
    }

    .products-hero,
    .about-hero,
    .contact-hero {
        padding: 120px 0 60px;
    }

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

    .contact-form {
        padding: 25px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-section h2 {
        font-size: 1.6rem;
    }

    .cta-section p {
        font-size: 0.95rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .stat-card .stat-number {
        font-size: 2rem;
    }

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

    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .industry-card {
        padding: 18px 10px;
    }

    .industry-card h4 {
        font-size: 0.82rem;
    }

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

    .quality-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.1rem;
    }

    .logo img {
        height: 40px;
    }

    .hero-slider {
        height: 60vh;
        min-height: 350px;
    }

    .slide-content h1 {
        font-size: 1.35rem;
        margin-bottom: 12px;
    }

    .slide-content p {
        font-size: 0.85rem;
        margin-bottom: 20px;
    }

    .slide-content .btn-group {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        padding: 11px 22px;
        font-size: 0.85rem;
    }

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

    .section-title h2 {
        font-size: 1.5rem;
    }

    .products-hero h1,
    .about-hero h1,
    .contact-hero h1 {
        font-size: 1.6rem;
    }

    .products-hero,
    .about-hero,
    .contact-hero {
        padding: 110px 0 50px;
    }

    .contact-info-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 20px;
    }

    .stat-card {
        padding: 20px 10px;
    }

    .stat-card .stat-number {
        font-size: 1.6rem;
    }

    .stat-card .stat-label {
        font-size: 0.82rem;
    }
}

/* ===== MOBILE NAV OVERLAY ===== */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== 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);
}

/* ===== LIGHTBOX ===== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.92);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 30px;
    cursor: zoom-out;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 10px 60px rgba(0,0,0,0.6);
    object-fit: contain;
    cursor: default;
    animation: lightboxIn 0.3s ease;
}

@keyframes lightboxIn {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 25px;
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10000;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.3);
    transform: rotate(90deg);
}

.lightbox-caption {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    max-width: 80%;
    padding: 8px 20px;
    background: rgba(0,0,0,0.5);
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

@media (max-width: 480px) {
    .lightbox {
        padding: 15px;
    }
    .lightbox img {
        max-width: 98%;
        max-height: 85vh;
    }
    .lightbox-close {
        top: 12px;
        right: 12px;
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
}