/* ================= Header ================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-slate-200);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.header-main {
    padding: 1rem 0;
}

.header-main .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-secondary);
    text-decoration: none;
}

.site-logo img {
    height: 50px;
    width: auto;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    color: var(--color-primary);
}

.main-navigation a span {
    position: relative;
}

.main-navigation a span::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.main-navigation a:hover span::after {
    width: 100%;
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-secondary);
    transition: all var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-slate-200);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu a {
    display: block;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    border-bottom: 1px solid var(--color-slate-100);
}

.mobile-menu a:hover {
    background-color: var(--color-slate-50);
    color: var(--color-primary);
}

/* ================= Hero Section ================= */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    overflow: hidden;
    padding-top: 100px;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
}

.hero-overlay {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    width: 100%;
    padding: var(--spacing-2xl) 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text {
    color: var(--color-white);
    max-width: none;
    text-align: left;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(220, 38, 38, 0.2);
    border: 1px solid var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.hero-title .highlight {
    color: var(--color-primary);
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* ================= Features Section ================= */
.features-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-slate-200);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.feature-item {
    padding: 2rem;
    text-align: center;
    border-right: 1px solid var(--color-slate-200);
    transition: all var(--transition-base);
}

.feature-item:last-child {
    border-right: none;
}

.feature-item:hover {
    background-color: var(--color-slate-50);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 0;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-text {
    font-size: 0.875rem;
    color: var(--color-slate-500);
}

/* ================= Product Grid ================= */
.product-grid-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-slate-100);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-slate-500);
    max-width: 600px;
    margin: 0 auto;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.product-card {
    position: relative;
    background-color: var(--color-white);
    border: 1px solid var(--color-slate-200);
    overflow: hidden;
    transition: all var(--transition-base);
}

.product-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.product-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

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

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover .product-card-overlay {
    opacity: 1;
}

.product-card-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.product-card-content {
    padding: var(--spacing-lg);
}

.product-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.product-card-title a {
    color: var(--color-secondary);
}

.product-card-title a:hover {
    color: var(--color-primary);
}

.product-card-excerpt {
    color: var(--color-slate-500);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.product-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-slate-200);
    font-size: 0.75rem;
    color: var(--color-slate-400);
}

/* ================= CTA Section ================= */
.cta-section {
    position: relative;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    color: var(--color-white);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.125rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ================= Footer ================= */
.site-footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.footer-main {
    padding: var(--spacing-2xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-about {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-column h4 {
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-contact svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-lg) 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* ================= Page Header ================= */
.page-header {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    color: var(--color-white);
    padding: 160px 0 80px;
    text-align: center;
}

.page-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.page-breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.page-breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.page-breadcrumb a:hover {
    color: var(--color-white);
}

/* ================= Responsive ================= */
@media (max-width: 1200px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .main-navigation {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .header-phone {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-item:nth-child(2) {
        border-right: none;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-about {
        max-width: 100%;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        border-right: none;
        border-bottom: 1px solid var(--color-slate-200);
    }
    
    .feature-item:last-child {
        border-bottom: none;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

/* ================= WhatsApp Button ================= */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
    color: white;
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
}

/* ================= Mobile Responsive - Extra Small (max-width: 576px) ================= */
@media (max-width: 576px) {
    /* Header */
    .site-logo {
        font-size: 1.125rem;
    }

    .site-logo img {
        height: 40px;
    }

    /* Hero Section */
    .hero-section {
        min-height: auto;
        padding-top: 80px;
        padding-bottom: 3rem;
    }

    .hero-content {
        padding: var(--spacing-lg) 0;
    }

    .hero-tag {
        font-size: 0.625rem;
        padding: 0.375rem 0.75rem;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .hero-description {
        font-size: 0.9375rem;
        line-height: 1.6;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    /* Features Section */
    .features-section {
        padding: var(--spacing-xl) 0;
    }

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

    .feature-item {
        border-right: none;
        border-bottom: 1px solid var(--color-slate-200);
        padding: 1.5rem 1rem;
    }

    .feature-item:last-child {
        border-bottom: none;
    }

    .feature-icon {
        width: 48px;
        height: 48px;
    }

    .feature-icon svg {
        width: 24px;
        height: 24px;
    }

    .feature-title {
        font-size: 1rem;
    }

    /* Section Headers */
    .section-tag {
        font-size: 0.625rem;
        padding: 0.25rem 0.75rem;
    }

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

    .section-description {
        font-size: 0.9375rem;
    }

    /* Product Grid */
    .product-grid-section {
        padding: var(--spacing-xl) 0;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .product-card-content {
        padding: var(--spacing-md);
    }

    .product-card-title {
        font-size: 1.125rem;
    }

    .product-card-excerpt {
        font-size: 0.875rem;
    }

    /* Two Column Layouts (About Preview, etc.) */
    .about-preview-grid,
    .about-intro-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }

    .about-preview-grid > div:last-child,
    .about-intro-grid > div:last-child {
        order: -1;
    }

    /* About Page Statistics */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem !important;
    }

    .stats-grid > div {
        padding: 1rem 0.5rem;
    }

    .stats-grid .stat-number {
        font-size: 2rem !important;
    }

    /* About Page Values Grid */
    .values-grid,
    .products-preview-grid {
        grid-template-columns: 1fr !important;
    }

    /* Industries Section */
    .industries-grid {
        grid-template-columns: 1fr !important;
    }

    /* Contact Page */
    .contact-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }

    .contact-form-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .contact-form-grid > div {
        margin-top: 0 !important;
    }

    .contact-cards {
        flex-direction: column;
    }

    /* Page Header */
    .page-header {
        padding: 120px 0 60px;
    }

    .page-title {
        font-size: 1.75rem;
    }

    /* CTA Section */
    .cta-section {
        padding: var(--spacing-xl) 0;
    }

    .cta-title {
        font-size: 1.5rem;
    }

    .cta-description {
        font-size: 1rem;
    }

    /* Footer */
    .footer-main {
        padding: var(--spacing-xl) 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-logo {
        font-size: 1.25rem;
    }

    .footer-about {
        max-width: 100%;
    }

    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }

    /* WhatsApp Float Button */
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }

    .whatsapp-float svg {
        width: 24px;
        height: 24px;
    }

    /* Buttons */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }

    /* Form Styles */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    textarea,
    select {
        font-size: 16px !important; /* Prevents iOS zoom */
    }

    /* Pagination */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination .page-numbers {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    /* Category Filter */
    .category-filters {
        flex-direction: column;
    }

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

/* ================= Tablet Responsive (577px - 768px) ================= */
@media (min-width: 577px) and (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-preview-grid,
    .about-intro-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }

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

    .values-grid,
    .products-preview-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

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

    .contact-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
}

/* ================= Small Desktop (769px - 992px) ================= */
@media (min-width: 769px) and (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-preview-grid,
    .about-intro-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 2rem !important;
    }

    .values-grid,
    .products-preview-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

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

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

    .contact-grid {
        grid-template-columns: 1fr 1.2fr !important;
        gap: 2rem !important;
    }
}

/* ================= Large Mobile Fixes (320px - 480px) ================= */
@media (max-width: 480px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero-title br {
        display: none;
    }

    .section-title br {
        display: none;
    }

    .footer-links a {
        font-size: 0.875rem;
    }

    .footer-contact li {
        font-size: 0.875rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ================= Touch Device Optimizations ================= */
@media (hover: none) and (pointer: coarse) {
    .product-card:hover {
        transform: none;
        box-shadow: none;
    }

    .product-card:active {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .footer-links a:hover {
        padding-left: 0;
    }

    /* Remove hover effects on touch devices */
    .feature-item:hover {
        background-color: inherit;
    }
}