/* ===== CSS Variables ===== */
:root {
    --primary-color: #0066cc;
    --primary-dark: #004d99;
    --secondary-color: #00a86b;
    --accent-color: #ff6b35;
    --text-color: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: #e0e0e0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --gradient-primary: linear-gradient(135deg, #0066cc 0%, #00a86b 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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;
}

.section {
    padding: 100px 0;
}

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

.section__subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section__title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.2;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: white;
    border-color: white;
}

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

.btn--full {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
}

.header.scrolled {
    background: white;
    box-shadow: var(--shadow);
}

.header.scrolled .nav__link {
    color: var(--text-color);
}

.header.scrolled .nav__link:hover,
.header.scrolled .nav__link.active {
    color: var(--primary-color);
}

.header.scrolled .nav__logo .logo-rs,
.header.scrolled .nav__logo .logo-biotex {
    color: var(--primary-color);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo {
    font-size: 28px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 5px;
}

.logo-rs {
    color: white;
    background: var(--gradient-primary);
    padding: 5px 10px;
    border-radius: 8px;
}

.logo-biotex {
    color: white;
}

.nav__list {
    display: flex;
    gap: 40px;
}

.nav__link {
    font-weight: 500;
    color: white;
    position: relative;
}

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

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: white;
}

.header.scrolled .nav__toggle {
    color: var(--text-color);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('https://images.unsplash.com/photo-1587854692152-cbe660dbde88?w=1920&h=1080&fit=crop') center/cover no-repeat;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.9) 0%, rgba(0, 168, 107, 0.8) 100%);
}

.hero__container {
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 700px;
    color: white;
}

.hero__subtitle {
    display: inline-block;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
}

.hero__title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
}

.hero__title span {
    color: #7dd3fc;
}

.hero__description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 35px;
    opacity: 0.95;
}

.hero__buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.badge i {
    color: #7dd3fc;
}

.hero__scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero__scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 20px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-15px);
    }
    60% {
        transform: translateX(-50%) translateY(-7px);
    }
}

/* ===== About Section ===== */
.about {
    background: var(--bg-light);
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__image {
    position: relative;
}

.about__image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.about__experience {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--gradient-primary);
    color: white;
    padding: 25px 35px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience__number {
    display: block;
    font-size: 14px;
    font-weight: 500;
    opacity: 0.9;
}

.experience__text {
    font-size: 32px;
    font-weight: 800;
}

.about__title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.about__text {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about__values {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.value__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.value__item i {
    font-size: 24px;
    color: var(--primary-color);
}

.value__item span {
    font-weight: 600;
    font-size: 14px;
}

.about__quote {
    font-style: italic;
    color: var(--text-light);
    padding: 20px;
    border-left: 4px solid var(--primary-color);
    background: white;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ===== Services Section ===== */
.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service__card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.service__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service__card:hover::before {
    transform: scaleX(1);
}

.service__icon {
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.service__icon i {
    font-size: 32px;
    color: var(--primary-color);
}

.service__card:hover .service__icon {
    background: var(--gradient-primary);
}

.service__card:hover .service__icon i {
    color: white;
}

.service__title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

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

/* ===== Products Section ===== */
.products {
    background: var(--bg-light);
}

.products__tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab__btn {
    padding: 12px 30px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.tab__btn:hover,
.tab__btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.tab__content {
    display: none;
}

.tab__content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.products__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.product__card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product__image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

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

.product__card:hover .product__image img {
    transform: scale(1.1);
}

.product__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 102, 204, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product__card:hover .product__overlay {
    opacity: 1;
}

.product__overlay span {
    color: white;
    font-weight: 600;
    padding: 10px 25px;
    border: 2px solid white;
    border-radius: 50px;
}

.product__info {
    padding: 20px;
}

.product__info h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
}

.product__info p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== Industries Section ===== */
.industries__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.industry__card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.industry__card--large {
    grid-column: 1;
    grid-row: 1 / 3;
}

.industry__image {
    height: 200px;
    overflow: hidden;
}

.industry__card--large .industry__image {
    height: 280px;
}

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

.industry__card:hover .industry__image img {
    transform: scale(1.05);
}

.industry__content {
    padding: 30px;
}

.industry__icon {
    width: 60px;
    height: 60px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.industry__icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.industry__content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
}

.industry__content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.industry__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.industry__list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-light);
}

.industry__list li i {
    color: var(--secondary-color);
    font-size: 12px;
}

/* ===== Brands Section ===== */
.brands {
    padding: 60px 0;
    background: var(--bg-light);
}

.brands__slider {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.brand__item {
    padding: 20px 40px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.brand__item span {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-muted);
}

.brand__item:hover span {
    color: var(--primary-color);
}

/* ===== Why Choose Us Section ===== */
.why-us {
    background: var(--gradient-dark);
    color: white;
}

.why-us .section__subtitle {
    color: #7dd3fc;
}

.why-us .section__title {
    color: white;
}

.why-us__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.why-us__card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 25px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.why-us__number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 48px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
}

.why-us__icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.why-us__icon i {
    font-size: 28px;
    color: white;
}

.why-us__card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.why-us__card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== Stats Section ===== */
.stats {
    background: var(--gradient-primary);
    padding: 60px 0;
}

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

.stat__item {
    text-align: center;
    color: white;
}

.stat__item i {
    font-size: 40px;
    margin-bottom: 15px;
    opacity: 0.9;
}

.stat__number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 10px;
}

.stat__number::after {
    content: '+';
}

.stat__label {
    font-size: 16px;
    font-weight: 500;
    opacity: 0.9;
}

/* ===== Contact Section ===== */
.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact__content--centered {
    grid-template-columns: 1fr;
    max-width: 700px;
    margin: 0 auto;
}

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

.contact__info--full .contact__details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact__info--full .contact__item {
    flex-direction: column;
    text-align: center;
    background: var(--bg-light);
    padding: 30px 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.contact__info--full .contact__item:hover {
    background: white;
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.contact__info--full .contact__icon {
    margin-bottom: 15px;
}

.contact__info--full .contact__social {
    justify-content: center;
}

.contact__info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact__info > p {
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 30px;
}

.contact__item {
    display: flex;
    gap: 20px;
}

.contact__icon {
    width: 55px;
    height: 55px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact__icon i {
    font-size: 22px;
    color: var(--primary-color);
}

.contact__text span {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.contact__text a,
.contact__text p {
    font-weight: 600;
    color: var(--text-color);
}

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

.contact__social {
    display: flex;
    gap: 15px;
}

.social__link {
    width: 45px;
    height: 45px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-light);
    transition: var(--transition);
}

.social__link:hover {
    background: var(--gradient-primary);
    color: white;
}

.contact__form-wrapper {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact__form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form__group {
    position: relative;
}

.form__group--full {
    grid-column: 1 / -1;
}

.form__group input,
.form__group select,
.form__group textarea {
    width: 100%;
    padding: 15px 20px 15px 50px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-light);
}

.form__group textarea {
    resize: none;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
}

.form__group i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
}

.form__group--full i {
    top: 25px;
    transform: none;
}

.contact__form button {
    grid-column: 1 / -1;
}

/* ===== Footer ===== */
.footer {
    background: var(--gradient-dark);
    color: white;
    padding: 80px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
    font-size: 28px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 20px;
}

.footer__about p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.8;
}

.footer__badges {
    display: flex;
    gap: 10px;
}

.footer__badges span {
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.footer__links h4,
.footer__contact h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
}

.footer__links h4::after,
.footer__contact h4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer__links a:hover {
    color: white;
    padding-left: 10px;
}

.footer__contact ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer__contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer__contact i {
    color: var(--primary-color);
    width: 20px;
}

.footer__bottom {
    padding: 25px 0;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* ===== Responsive Design ===== */

/* Tablet Large */
@media (max-width: 1024px) {
    .section__title {
        font-size: 36px;
    }

    .hero__title {
        font-size: 46px;
    }

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

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

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

    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

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

/* Tablet */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: white;
        padding: 80px 40px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 25px;
    }

    .nav__link {
        color: var(--text-color);
        font-size: 18px;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 25px;
        right: 25px;
        color: var(--text-color);
    }

    .nav__toggle {
        display: block;
    }

    .hero__title {
        font-size: 36px;
    }

    .hero__description {
        font-size: 16px;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .hero__badges {
        justify-content: center;
    }

    .about__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about__experience {
        right: 20px;
        bottom: -20px;
    }

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

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

    .industry__card--large {
        grid-column: 1;
        grid-row: auto;
    }

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

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

    .contact__info--full .contact__details {
        grid-template-columns: 1fr;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 10px;
    }
}

/* Mobile */
@media (max-width: 576px) {
    .section {
        padding: 60px 0;
    }

    .section__title {
        font-size: 28px;
    }

    .hero {
        min-height: 100vh;
        padding-top: 100px;
    }

    .hero__title {
        font-size: 28px;
    }

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

    .badge {
        width: 100%;
        justify-content: center;
    }

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

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

    .products__tabs {
        flex-direction: column;
    }

    .tab__btn {
        width: 100%;
    }

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

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

    .stat__number {
        font-size: 36px;
    }

    .brands__slider {
        gap: 15px;
    }

    .brand__item {
        padding: 15px 25px;
    }

    .contact__form-wrapper {
        padding: 25px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__links h4::after,
    .footer__contact h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer__badges {
        justify-content: center;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* ===== Industries We Serve Section ===== */
.industries-served {
    background: white;
}

.industries-icons {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 25px;
}

.industry-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 30px 20px;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-align: center;
}

.industry-icon-item:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.industry-icon-item i {
    font-size: 36px;
    color: var(--primary-color);
    transition: var(--transition);
}

.industry-icon-item:hover i {
    color: white;
}

.industry-icon-item span {
    font-weight: 600;
    font-size: 14px;
}

.industry-icon-item p {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 5px;
    transition: var(--transition);
}

.industry-icon-item:hover p {
    color: rgba(255, 255, 255, 0.8);
}

.industries-icons--three {
    grid-template-columns: repeat(3, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

/* ===== Pharmaceutical, Textile, Hospital Sections ===== */
.pharmaceutical {
    background: var(--bg-light);
}

.textile {
    background: white;
}

.hospital {
    background: var(--bg-light);
}

.section__description {
    color: var(--text-light);
    font-size: 18px;
    margin-top: 15px;
}

/* ===== Product Category ===== */
.product-category {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.pharmaceutical .product-category {
    background: white;
}

.textile .product-category {
    background: var(--bg-light);
}

.hospital .product-category {
    background: white;
}

.category__title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 15px;
}

.category__title i {
    color: var(--primary-color);
    font-size: 28px;
}

.category__note {
    background: var(--bg-light);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    color: var(--text-light);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.category__note i {
    color: var(--secondary-color);
}

.subcategory__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin: 30px 0 15px;
    padding-left: 15px;
    border-left: 4px solid var(--secondary-color);
}

/* ===== Product Grid ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.product-grid .product-item {
    background: var(--bg-light);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 3px solid transparent;
}

.product-grid .product-item:hover {
    background: white;
    border-left-color: var(--primary-color);
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.product-grid .product-item i {
    color: var(--primary-color);
    font-size: 16px;
    min-width: 20px;
}

/* ===== Product List (Horizontal) ===== */
.product-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.product-list .product-item {
    background: var(--gradient-primary);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

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

.product-list .product-item i {
    font-size: 16px;
}

/* ===== Brand Tags ===== */
.brand-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 25px;
}

.brand-tag {
    background: white;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.brand-tag:hover {
    background: var(--primary-color);
    color: white;
}

/* ===== Product Table ===== */
.table-responsive {
    overflow-x: auto;
}

.product-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.product-table thead {
    background: var(--gradient-primary);
    color: white;
}

.product-table th,
.product-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.product-table th {
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-table td {
    font-size: 14px;
    color: var(--text-color);
}

.product-table tbody tr:hover {
    background: var(--bg-light);
}

.product-table .text-success {
    color: var(--secondary-color);
}

/* ===== Instruments Grid ===== */
.instruments-grid {
    grid-template-columns: repeat(4, 1fr);
}

.instruments-grid .product-item {
    background: white;
    border: 1px solid var(--border-color);
}

.instruments-grid .product-item:hover {
    border-color: var(--primary-color);
}

/* ===== WhatsApp Float Button ===== */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 30px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

/* ===== Responsive for New Sections ===== */
@media (max-width: 1024px) {
    .industries-icons {
        grid-template-columns: repeat(4, 1fr);
    }

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

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

@media (max-width: 768px) {
    .industries-icons {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

    .product-category {
        padding: 25px;
    }

    .category__title {
        font-size: 20px;
    }

    .product-table th,
    .product-table td {
        padding: 12px 15px;
        font-size: 13px;
    }

    .whatsapp-float {
        bottom: 80px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
}

@media (max-width: 576px) {
    .industries-icons {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .industries-icons--three {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .industry-icon-item {
        padding: 20px 15px;
    }

    .industry-icon-item i {
        font-size: 28px;
    }

    .industry-icon-item span {
        font-size: 12px;
    }

    .industry-icon-item p {
        font-size: 11px;
    }

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

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

    .product-list {
        flex-direction: column;
    }

    .product-list .product-item {
        width: 100%;
        justify-content: center;
    }

    .brand-list {
        justify-content: center;
    }

    .brand-tag {
        font-size: 12px;
        padding: 6px 15px;
    }

    .subcategory__title {
        font-size: 16px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}