/* ==========================================
   DESIGN SYSTEM & CUSTOM VARIABLES (JN CONGELADOS)
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #0039A6;
    --primary-hover: #002878;
    --accent: #D97706;
    --accent-hover: #B45309;
    --bg-dark: #0F172A;
    --bg-light: #F8FAFC;
    --text-main: #334155;
    --text-light: #64748B;
    --text-white: #FFFFFF;
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    --font-title: 'Hatchway Ultra', 'Hatchway', 'Quicksand', sans-serif;
    --font-body: 'Quicksand', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.4);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 700;
    color: var(--bg-dark);
}

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

li {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
}

header.sticky-active {
    position: fixed;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1200px;
    height: 70px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 40px;
    box-shadow: 0 10px 30px rgba(0, 57, 166, 0.12);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

header.sticky-active .nav-container {
    height: 70px;
    padding: 0 24px;
}

header.sticky-active .logo-img {
    height: 48px;
}

header.sticky-active .brand-name {
    font-size: 1.15rem;
}

header.sticky-active .brand-sub {
    font-size: 0.65rem;
}


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

.logo-img {
    height: 60px;
    width: auto;
}

.brand-info {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
}

.brand-sub {
    font-size: 0.7rem;
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
    position: relative;
    padding: 5px 0;
}

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

.nav-link:hover {
    color: var(--primary);
}

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

.nav-link-highlight {
    color: var(--accent);
    font-weight: 700;
}

.btn-contact {
    background-color: var(--primary);
    color: var(--text-white);
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
}

.btn-contact:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-white);
}

/* Mobile Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    padding: 100px 0;
    background: radial-gradient(circle at 85% 30%, rgba(217, 119, 6, 0.18) 0%, transparent 55%),
                radial-gradient(circle at 15% 75%, rgba(0, 57, 166, 0.3) 0%, transparent 55%),
                var(--bg-dark);
    color: var(--text-white);
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text-white);
}

.hero-text h1 span {
    color: var(--accent);
}

.hero-text p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 30px;
    max-width: 550px;
}

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

.btn-primary {
    background-color: var(--primary);
    color: var(--text-white);
    padding: 14px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0, 57, 166, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 57, 166, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.8);
    padding: 12px 26px;
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* Glassmorphism Feature Badges */
.hero-features {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.feature-badge {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    padding: 10px 18px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.feature-badge:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.feature-badge i {
    color: var(--accent);
    font-size: 1.1rem;
}

/* Hero Image and circular graphics */
.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-img {
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
    z-index: 2;
    aspect-ratio: 4/3;
}

.hero-circle-deco {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px dashed rgba(0, 57, 166, 0.2);
    border-radius: 28px;
    top: 15px;
    left: 15px;
    z-index: 1;
}

/* ==========================================
   ABOUT US SECTION
   ========================================== */
.about {
    padding: 100px 0;
    background-color: var(--white);
}

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

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.about-img-badge {
    position: absolute;
    bottom: -30px;
    right: -20px;
    background-color: var(--accent);
    color: var(--text-white);
    padding: 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    z-index: 3;
    max-width: 180px;
}

.about-img-badge .number {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-title);
    display: block;
    line-height: 1;
}

.about-img-badge .text {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
    line-height: 1.25;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 25px;
    font-size: 1.05rem;
}

.about-info-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    font-weight: 600;
}

.info-value {
    font-size: 0.95rem;
    color: var(--bg-dark);
    font-weight: 700;
}

/* ==========================================
   PRODUCTS & CATALOG SECTION
   ========================================== */
.products-section {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-header p,
.contact-intro {
    color: var(--text-light);
}

/* Category Filter Tabs */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    padding: 10px 24px;
    border-radius: 30px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.product-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background-color: #E2E8F0;
}

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

.product-card:hover .product-img {
    transform: scale(1.08);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary);
    color: var(--text-white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 10;
}

.product-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.product-desc {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 20px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.product-price {
    font-size: 1rem;
    font-weight: 800;
    color: var(--accent);
}

.btn-order-product {
    background-color: #25D366; /* WhatsApp Green */
    color: var(--text-white);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
}

.btn-order-product:hover {
    background-color: #20BA5A;
    transform: scale(1.1);
}

/* ==========================================
   PRINTED BROCHURE / CATALOG SECTION
   ========================================== */
.brochure-section {
    padding: 100px 0;
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.brochure-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 30px;
}

.brochure-card {
    background-color: var(--bg-light);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.brochure-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.brochure-card img {
    border-radius: 10px;
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: contain;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
}

.brochure-info {
    margin-top: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brochure-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.brochure-btn {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ==========================================
   CONTACT & LOCATION SECTION
   ========================================== */
.contact-section {
    padding: 100px 0;
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
    align-items: stretch;
}

.contact-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-card {
    background-color: var(--bg-light);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--border-color);
    margin-bottom: 25px;
}

.contact-intro {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: rgba(0, 57, 166, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-info-text p, .contact-info-text a {
    color: var(--text-light);
    font-size: 0.9rem;
}

.contact-info-text a:hover {
    color: var(--primary);
}

.map-wrapper {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    height: 100%;
    min-height: 350px;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    min-height: 350px;
    border: 0;
    display: block;
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
    background-color: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 30px 0;
}

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

.footer-brand h2 {
    color: var(--white);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.footer-brand p {
    font-size: 0.9rem;
    margin-bottom: 20px;
    max-width: 320px;
}

.footer-logo {
    height: 70px;
    width: auto;
    margin-bottom: 15px;
}

.footer-links h3, .footer-contact h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-socials {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 0.8rem;
}

/* ==========================================
   FLOATING ELEMENTS (WHATSAPP & PWA)
   ========================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 99;
    animation: pulse-whatsapp 2s infinite;
    transition: var(--transition);
}

.whatsapp-float:hover {
    background-color: #20BA5A;
    transform: scale(1.1);
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* PWA Installer Bar */
.pwa-install-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--white);
    padding: 16px 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    z-index: 1000;
    max-width: 600px;
    margin: 0 auto;
    animation: slide-up 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.pwa-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pwa-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
}

.pwa-text h4 {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.pwa-text p {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.7);
}

.pwa-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-pwa-install {
    background-color: var(--primary);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-pwa-install:hover {
    background-color: var(--primary-hover);
}

.btn-pwa-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    transition: var(--transition);
}

.btn-pwa-close:hover {
    color: var(--white);
}

@keyframes slide-up {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ==========================================
   LIGHTBOX MODAL FOR BROCHURE IMAGES
   ========================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 85%;
    position: relative;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    color: var(--white);
    font-size: 2.2rem;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10001;
}

/* ==========================================
   RESPONSIVENESS (MEDIA QUERIES)
   ========================================== */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    .hero-text p {
        margin: 0 auto 30px auto;
    }
    .hero-cta, .hero-features {
        justify-content: center;
    }
    .hero-image-wrapper {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-images {
        max-width: 450px;
        margin: 0 auto;
    }
    .about-text {
        text-align: center;
    }
    .about-info-list {
        max-width: 500px;
        margin: 0 auto;
    }
    .brochure-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 30px auto 0 auto;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .map-wrapper {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    header.sticky-active {
        top: 0;
        left: 0;
        transform: none;
        width: 100%;
        max-width: none;
        height: 70px;
        border-radius: 0;
    }

    header.sticky-active .nav-container {
        padding: 0 20px;
    }

    .brand-info {
        max-width: 180px;
    }

    .brand-name,
    header.sticky-active .brand-name {
        font-size: 1rem;
    }

    .brand-sub {
        font-size: 0.6rem;
    }

    .menu-toggle {
        display: flex;
        z-index: 101;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: var(--transition);
        z-index: 100;
    }

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

    /* Menu hamburguer animação */
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -7px);
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero {
        padding: 70px 0;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        justify-content: center;
    }

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

    .about-info-list,
    .brochure-info,
    .product-footer,
    .contact-item {
        gap: 12px;
    }

    .brochure-info {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }

    .pwa-install-banner {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .about-info-list,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .filter-btn {
        flex: 1 1 auto;
        min-width: 120px;
    }

    .lightbox-close {
        top: 12px;
        right: 16px;
    }
}