/* ================================================================================================
   Molsmed Drugs Pvt. Ltd. - COMPLETE CSS STYLESHEET
   Organized by Sections & Used on Pages
   ================================================================================================ */

/* ================================================================================================
   SECTION 1: ROOT VARIABLES & GLOBAL SETTINGS (ALL PAGES)
   ================================================================================================ */

:root {
    --primary-red: #d21b24;
    --primary-red-dark: #b31620;
    --text-dark: #1f1f1f;
    --text-muted: #6a6a6a;
}

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

html {
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: var(--primary-red);
    transition: color 0.3s, opacity 0.3s;
}

a:hover {
    color: var(--primary-red-dark);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background: #ffffff;
    overflow-x: hidden;
}

/* ================================================================================================
   SECTION 2: HEADER & NAVIGATION (ALL PAGES)
   Pages: index.html, products.html, about.html, services.html, contact.html, product-detail.html
   ================================================================================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.site-header .navbar {
    padding: 0;
}

.brand-logo {
    height: 80px;
}

.brand-logo img {
    height: 100%;
    width: auto;
}

.brand-mark {
    display: flex;
    width: 50px;
    height: 50px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: #ffffff;
    font-weight: 700;
    font-size: 1.35rem;
    box-shadow: 0 4px 12px rgba(210, 27, 36, 0.3);
}

.brand-text strong {
    display: block;
    font-size: 1.05rem;
    color: var(--text-dark);
}

.brand-text small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.navbar-nav .nav-link {
    font-weight: 600;
    color: var(--text-muted);
    margin-left: 20px;
    transition: color 0.3s;
}

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

.dropdown-menu {
    border: none;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-radius: 12px;
}

.dropdown-item:hover {
    background: rgba(210, 27, 36, 0.1);
    color: var(--primary-red);
}

/* Dropdown hover effect */
.navbar-nav .dropdown:hover .dropdown-menu {
    display: block;
}

.btn-contact {
    background: var(--primary-red);
    color: #ffffff;
    font-weight: 700;
    padding: 0.65rem 1.8rem;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-contact:hover {
    background: var(--primary-red-dark);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(210, 27, 36, 0.3);
}

/* ================================================================================================
   SECTION 3: HERO SLIDER (index.html)
   ================================================================================================ */

.hero-slider {
    margin-bottom: 3rem;
    width: 100%;
}

.hero-slide {
    /* height: 100vh; */
    min-height: 500px;
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    width: 100%;
    /* max-width: 800px; */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: slideInDown 0.8s ease;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    animation: slideInUp 0.8s ease 0.2s both;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    animation: slideInUp 0.8s ease 0.4s both;
    opacity: 0.95;
}

.btn-hero {
    background: var(--primary-red);
    color: #ffffff;
    padding: 0.85rem 2.2rem;
    font-weight: 700;
    border-radius: 50px;
    display: inline-block;
    transition: all 0.3s;
    animation: slideInUp 0.8s ease 0.6s both;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn-hero:hover {
    background: var(--primary-red-dark);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(210, 27, 36, 0.4);
}

.carousel-caption {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    z-index: 2;
}

.carousel-indicators {
    z-index: 3;
    bottom: 2rem;
}

.carousel-indicators button {
    background-color: rgba(255, 255, 255, 0.5);
    border-color: transparent;
    width: 15px;
    height: 15px;
    border-radius: 50%;
}

.carousel-indicators button.active {
    background-color: var(--primary-red);
}

/* ================================================================================================
   SECTION 4: PAGE HERO & SECTION HEADINGS (about.html, services.html, contact.html)
   ================================================================================================ */

.page-hero-section {
    padding: 4rem 0;
}

.page-hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
}

.about-hero {
    position: relative;
    background-image: url("../img/12.jpg");
    background-size: cover;
    background-position: center;
    padding: 90px 0;
    overflow: hidden;
}
.about-hero .row{
    position: relative;
    z-index: 2; 
}

.about-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.703);
}

.about-hero .section-subtitle,
.about-hero .section-title,
.about-hero .hero-description {
    color: #ffffff;
}

.about-hero .btn-hero {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-red);
}

.about-hero .btn-hero:hover {
    background: #ffffff;
    color: var(--primary-red-dark);
}

.section-title-wrap {
    margin-bottom: 1.5rem;
}

.section-title-wrap .section-subtitle {
    display: inline-block;
    margin-bottom: 0.75rem;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.08);
}

.about-image img {
    width: 100%;
    height: auto;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.value-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 18px 30px rgba(210, 27, 36, 0.12);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.faq-card {
    background: white;
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
}

.faq-card details {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    padding: 1rem 0;
}

.faq-card details:first-child {
    border-top: none;
}

.faq-card summary {
    list-style: none;
    cursor: pointer;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--text-dark);
}

.faq-card summary::-webkit-details-marker {
    display: none;
}

.faq-card summary::after {
    content: '+';
    font-size: 1.4rem;
    color: var(--primary-red);
    transition: transform 0.3s ease;
}

.faq-card details[open] summary::after {
    transform: rotate(45deg);
}

.faq-card p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.75;
    padding-top: 0.75rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--primary-red);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ================================================================================================
   SECTION 5: ABOUT SECTION (index.html, about.html)
   ================================================================================================ */

.about-section {
    background: #f8f9fa;
}

.about-list {
    list-style: none;
}

.about-list li {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.about-list i {
    margin-right: 0.75rem;
}

.rounded-lg {
    border-radius: 20px;
    overflow: hidden;
}

/* ================================================================================================
   SECTION 6: CERTIFICATIONS SECTION (index.html)
   ================================================================================================ */

.cert-icon {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.cert-card h4 {
    color: var(--text-dark);
    font-weight: 700;
}

/* ================================================================================================
   SECTION 7: CATEGORIES SECTION (index.html)
   ================================================================================================ */

.category-card {
    position: relative;
    min-height: 280px;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: inherit;
}

.category-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s;
}

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    color: #ffffff;
    text-align: center;
    transition: all 0.3s;
}

.category-overlay h4 {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0;
}

.category-overlay h4 {
    font-size: 1.3rem;
    font-weight: 700;
}

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

.category-card:hover .category-overlay {
    background: rgba(210, 27, 36, 0.3);
}

.hover-lift {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* ================================================================================================
   SECTION 8: QUALITY & DIFFERENCES SECTION (index.html, about.html)
   ================================================================================================ */

.quality-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.8rem;
}

.quality-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(210, 27, 36, 0.1);
    color: var(--primary-red);
    font-weight: 700;
    flex-shrink: 0;
}

.quality-item h5 {
    color: var(--text-dark);
    font-weight: 700;
}

.quality-checklist {
    list-style: none;
}

.quality-checklist li {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.quality-checklist i {
    margin-right: 0.75rem;
    color: var(--primary-red);
}

.difference-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.difference-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(210, 27, 36, 0.15);
}

.diff-icon {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1.2rem;
}

/* ================================================================================================
   SECTION 9: STRENGTH SECTION (about.html)
   ================================================================================================ */

.strength-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.strength-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(210, 27, 36, 0.15);
}

.strength-icon {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1.2rem;
}

.mission-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
}

/* ================================================================================================
   SECTION 10: SERVICES SECTION (index.html, services.html)
   ================================================================================================ */

.service-card-full {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.service-card-full:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(210, 27, 36, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1.2rem;
}

/* ================================================================================================
   SECTION 11: LOCATION SECTION (index.html, contact.html)
   ================================================================================================ */

.location-map-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.location-map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

.location-info h4 {
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.location-details p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.location-details a {
    color: var(--primary-red);
    font-weight: 600;
}

/* ================================================================================================
   SECTION 12: PARTNERS SECTION (index.html)
   ================================================================================================ */

.partner-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    cursor: pointer;
}

.partner-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(210, 27, 36, 0.15);
}

.partner-card i {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.partner-card p {
    color: var(--text-dark);
    font-weight: 600;
}

/* ================================================================================================
   SECTION 13: PRODUCTS PAGE & PRODUCT LISTING (products.html)
   ================================================================================================ */

.product-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.product-card img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: contain;
    background: #f8f9fa;
}

.product-card > div {
    flex-grow: 1;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}

.product-card h5 {
    color: var(--text-dark);
    font-weight: 700;
}

.product-card p,
.product-card span,
.product-card small {
    color: var(--text-muted);
}

.product-card footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 1rem;
    margin-top: auto;
}

.product-card footer small {
    margin: 0;
    white-space: nowrap;
}

.product-card footer .btn {
    flex-shrink: 0;
    margin-top: 0;
    padding: 0.45rem 0.9rem;
}
.product-card .badge{
    color: #ffffff !important;
}

a[href*="product-detail"] {
    text-decoration: none;
    color: inherit;
}

.product-filters {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-field input {
    width: 100%;
    max-width: 420px;
    padding: 16px 18px;
    border-radius: 16px;
    border: 1px solid #ddd;
    background: #ffffff;
    color: var(--text-dark);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-btn {
    border: 1px solid rgba(34, 34, 34, 0.08);
    background: #ffffff;
    color: var(--text-dark);
    padding: 0.85rem 1.15rem;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn.active,
.filter-btn:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
    box-shadow: 0 16px 32px rgba(210, 27, 36, 0.08);
}

.loader {
    grid-column: 1 / -1;
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
}

/* ================================================================================================
   SECTION 14: CONTACT SECTION (contact.html, index.html)
   ================================================================================================ */

.contact-info-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(210, 27, 36, 0.15);
}

.contact-icon {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 1.2rem;
}

.contact-info-card h4 {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.contact-hero {
    position: relative;
    background-image: url('../img/10.jpg');
    background-size: cover;
    background-position: center;
    min-height: 500px;
    display: flex;
    align-items: center;
}

.contact-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.contact-hero .container {
    position: relative;
    z-index: 2;
}

.contact-map-section {
    background: #f8f9fa;
}

.contact-map {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    min-height: 320px;
    border: none;
}

.social-links.justify-content-start {
    justify-content: flex-start;
}

.social-links.justify-content-start a {
    margin-right: 0.75rem;
}

.contact-form-wrapper {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.form-control,
.form-select {
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 0.8rem 1rem;
    transition: all 0.3s;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-red);
    box-shadow: 0 0 0 0.2rem rgba(210, 27, 36, 0.25);
    outline: none;
}

.social-media-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-btn {
    display: inline-flex;
    width: 50px;
    height: 50px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--primary-red);
    color: #ffffff;
    font-size: 1.2rem;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.social-btn:hover {
    background: var(--primary-red-dark);
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(210, 27, 36, 0.3);
}

/* ================================================================================================
   SECTION 15: FOOTER (ALL PAGES)
   Pages: index.html, products.html, about.html, services.html, contact.html, product-detail.html
   ================================================================================================ */

.site-footer {
    background: #ffffff;
    color: var(--text-dark);
}

.site-footer h5 {
    color: var(--text-dark);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.brand-logo-footer {
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand-logo-footer strong {
    font-size: 1.2rem;
    color: var(--primary-red);
    font-weight: 700;
}
.brand-logo-footer img {
    height: 80px;
    object-fit: cover;
}

.site-footer .brand-mark {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-red);
    color: #ffffff;
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-brand-text {
    color: #6a6a6a;
    line-height: 1.8;
    margin-top: 1rem;
    max-width: 380px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.9rem;
}

.footer-links a {
    color: var(--primary-red);
    transition: color 0.3s, transform 0.3s;
}

.footer-links a:hover {
    color: #000;
    transform: translateX(3px);
    text-decoration: none;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #f9f3f3;
    color: var(--primary-red);
    border: 1px solid rgba(210, 27, 36, 0.15);
    transition: all 0.3s;
}

.footer-social a:hover {
    background: #000;
    color: #ffffff;
    transform: translateY(-2px);
}

.site-footer hr {
    border-color: rgba(0, 0, 0, 0.08);
    margin: 2rem 0;
}

.footer-bottom {
    color: #6a6a6a;
}

.footer-bottom a {
    color: var(--primary-red);
    font-weight: 600;
}

.footer-bottom a:hover {
    color: #000;
    text-decoration: none;
}

/* ================================================================================================
   SECTION 16: ANIMATIONS & TRANSITIONS (ALL PAGES)
   ================================================================================================ */

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease;
}

.fade-in-left {
    animation: slideInLeft 0.8s ease;
}

.fade-in-right {
    animation: slideInRight 0.8s ease;
}

.fade-in-up {
    animation: slideInUp 0.8s ease;
}

.pulse {
    animation: pulse 2s infinite;
}

/* ================================================================================================
   SECTION 17: FORMS & INPUTS (contact.html, product-detail.html)
   ================================================================================================ */

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    width: 100%;
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 0.8rem 1rem;
    font-family: inherit;
    font-size: 1rem;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(210, 27, 36, 0.1);
}

/* ================================================================================================
   SECTION 17: WHATSAPP FLOATING BUTTON
   ================================================================================================ */

.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-button:hover {
    background: #1ebc59;
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.4);
}

.whatsapp-button i {
    color: #ffffff;
    font-size: 1.8rem;
}

/* ================================================================================================
   SECTION 18: RESPONSIVE DESIGN
   ================================================================================================ */

/* Desktop Extra Large (1024px and above) */
@media (max-width: 1024px) {
    .hero-slide { 
        min-height: 500px; 
    }
    .hero-title { 
        font-size: 2.5rem; 
    }
    .hero-subtitle { 
        font-size: 1.2rem; 
    }
    .hero-description { 
        font-size: 1rem; 
    }
}

/* Tablet (768px to 1024px) */
@media (max-width: 768px) {
    .hero-slide { 
        min-height: 420px; 
    }
    .hero-title { 
        font-size: 2rem; 
    }
    .hero-subtitle { 
        font-size: 1.05rem; 
    }
    .hero-description { 
        font-size: 0.95rem; 
    }
    .btn-hero { 
        padding: 0.7rem 1.6rem; 
        font-size: 0.95rem; 
    }
    .section-title { 
        font-size: 1.8rem; 
    }
    .page-hero-section h1 {
        font-size: 2.4rem;
    }
    .page-hero-section .hero-description {
        font-size: 1rem;
    }
    .category-card { 
        height: 200px; 
    }
    .navbar-nav { 
        padding: 1rem 0; 
    }
}

/* Mobile (576px and below) */
@media (max-width: 576px) {
    .hero-slide { 
        min-height: 340px; 
    }
    .hero-title { 
        font-size: 1.65rem; 
    }
    .hero-subtitle { 
        font-size: 0.95rem; 
    }
    .hero-description { 
        display: none; 
    }
    .btn-hero { 
        padding: 0.65rem 1.4rem; 
        font-size: 0.9rem; 
    }
    .carousel-indicators { 
        bottom: 1rem; 
    }
    .carousel-indicators button { 
        width: 12px; 
        height: 12px; 
    }
}

/* Medium Desktop (980px and below) */
@media (max-width: 980px) {
    .hero,
    .feature-strip,
    .about-grid,
    .about-values,
    .overview-grid,
    .service-grid,
    .product-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Small Devices (760px and below) */
@media (max-width: 760px) {
    .site-header {
        flex-wrap: wrap;
        padding: 10px 5px;
    }

    .main-nav {
        position: absolute;
        top: 78px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        flex-direction: column;
        padding: 18px 20px;
        gap: 16px;
        transform: translateY(-140%);
        transition: transform 0.25s ease;
    }

    .main-nav.open {
        transform: translateY(0);
    }

    .menu-toggle {
        display: inline-flex;
    }

    .hero,
    .page-hero {
        padding: 28px;
    }
}

/* ================================================================================================
   END OF STYLESHEET
   ================================================================================================ */