/* ============================================
   BULONES DEL SUR - Main Stylesheet
   Modern & Elegant Industrial Design
   ============================================ */

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */
:root {
    /* Primary Colors */
    --color-primary: #1F1F1F;
    --color-primary-dark: #1F1F1F;
    --color-accent: #B11217;
    --color-accent-light: #B11217;
    --color-accent-dark: #FFFFFF;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-off-white: #f8f8f8;
    --color-light: #eaeaea;
    --color-gray: #6b7280;
    --color-dark-gray: #374151;
    --color-black: #0a0a0a;
    
    /* Semantic Colors */
    --color-background: var(--color-off-white);
    --color-foreground: var(--color-primary);
    --color-surface: var(--color-white);
    --color-surface-dark: var(--color-primary);
    
    /* Social Colors */
    --color-whatsapp: #25D366;
    --color-instagram: #E4405F;
    --color-linkedin: #0A66C2;
    --color-email: #EA4335;
    
    /* Material Colors */
    --color-iron: #4a5568;
    --color-zinc: #a0aec0;
    --color-steel: #718096;
    --color-bronze: #b7791f;
    --color-inox: #e2e8f0;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(201, 169, 98, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-foreground);
    background-color: var(--color-background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* ============================================
   Preloader
   ============================================ */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.bolt-icon {
    font-size: 3rem;
    color: var(--color-accent);
    animation: rotate 2s linear infinite;
}

.loader-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-white);
    letter-spacing: 4px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-foreground);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
    position: relative;
    padding-left: 40px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--color-accent);
    transform: translateY(-50%);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-md);
    text-wrap: balance;
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary-custom {
    background: var(--color-accent);
    color: var(--color-primary);
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-accent);
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary-custom:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary-custom:hover::before {
    left: 100%;
}

.btn-outline-custom {
    background: transparent;
    color: var(--color-white);
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255,255,255,0.3);
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    padding: 1rem 0;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem 0;
}

.navbar-brand {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 2px;
}

.brand-accent {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 4px;
}

.navbar-nav {
    gap: 0.5rem;
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8) !important;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

/* Hamburger Menu */
.navbar-toggler {
    border: none;
    padding: 0;
    width: 30px;
    height: 24px;
    position: relative;
    background: transparent !important;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.toggler-icon {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
}

.toggler-icon span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-base);
}

.toggler-icon span:nth-child(1) { top: 0; }
.toggler-icon span:nth-child(2) { top: 11px; }
.toggler-icon span:nth-child(3) { top: 22px; }

.navbar-toggler[aria-expanded="true"] .toggler-icon span:nth-child(1) {
    transform: rotate(45deg);
    top: 11px;
}

.navbar-toggler[aria-expanded="true"] .toggler-icon span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler[aria-expanded="true"] .toggler-icon span:nth-child(3) {
    transform: rotate(-45deg);
    top: 11px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* Placeholder background */
    background-color: var(--color-primary);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(26, 26, 46, 0.95) 0%,
        rgba(26, 26, 46, 0.85) 50%,
        rgba(26, 26, 46, 0.7) 100%
    );
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    padding-top: 100px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    border: 1px solid rgba(201, 169, 98, 0.3);
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 550px;
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-number::after {
    content: '+';
}

/* When stat is used as an icon (eg. truck), remove the plus */
.stat-number.stat-icon::after {
    content: '';
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { 
        height: 40px;
        opacity: 1;
    }
    50% { 
        height: 60px;
        opacity: 0.5;
    }
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.about-image-wrapper {
    position: relative;
    padding: var(--space-lg);
}

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

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.experience-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.exp-text {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.floating-card {
    position: absolute;
    bottom: 0;
    left: 0;
    background: var(--color-accent);
    color: var(--color-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.about-content {
    padding-left: var(--space-xl);
}

.about-text {
    color: var(--color-gray);
    margin-bottom: var(--space-sm);
    line-height: 1.8;
}

.about-text strong {
    color: var(--color-foreground);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.feature-item i {
    color: var(--color-accent);
    font-size: 1.25rem;
}

/* ============================================
   Products Section
   ============================================ */
.products-section {
    padding: var(--space-3xl) 0;
    background: var(--color-off-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.product-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-base);
    border: 1px solid var(--color-light);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-md);
    color: var(--color-accent);
    transition: var(--transition-base);
}

.product-icon img.product-img-placeholder {
    width: 100px;
    height: 100px;
    object-fit: cover;
    display: block;
    margin: 0 auto var(--space-md);
    border-radius: 8px;
    background: var(--color-light);
}

.product-card:hover .product-icon {
    transform: scale(1.1);
    color: var(--color-primary);
}

.product-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Larger placeholder images look better on desktop */
@media (max-width: 768px) {
    .product-icon, .product-icon img.product-img-placeholder {
        width: 80px;
        height: 80px;
    }
    .product-title { font-size: 1.25rem; }
}

/* Truck icon sizing inside stat */
.stat-number.stat-icon i {
    font-size: 2.25rem;
    color: var(--color-accent);
}

.product-desc {
    color: var(--color-gray);
    font-size: 0.9rem;
}

/* Materials */
.materials-wrapper {
    margin-top: var(--space-3xl);
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-primary);
    border-radius: var(--radius-xl);
}

.materials-title {
    color: var(--color-white);
    font-family: var(--font-display);
    margin-bottom: var(--space-lg);
}

.materials-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
}

.material-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
}

.material-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-iron);
    font-size: 0.5rem;
}

.material-icon.zinc { background: var(--color-zinc); }
.material-icon.steel { background: var(--color-steel); }
.material-icon.bronze { background: var(--color-bronze); }
.material-icon.inox { background: var(--color-inox); color: var(--color-dark-gray); }

.material-item span {
    font-size: 0.875rem;
}

/* Additional Products */
.additional-products {
    margin-top: var(--space-xl);
    text-align: center;
}

.additional-title {
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.additional-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.tag {
    background: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    border: 1px solid var(--color-light);
    transition: var(--transition-base);
}

.tag:hover {
    background: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

/* ============================================
   Gallery / Carousel Section
   ============================================ */
.gallery-section {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
    overflow: hidden;
}

.gallery-section .section-header {
    padding: 0 var(--space-md);
    margin-bottom: var(--space-xl);
}

#galleryCarousel {
    position: relative;
}

.carousel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    padding: 0 var(--space-md);
}

.carousel-img-wrapper {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-light);
}

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

.carousel-img-wrapper:hover .carousel-img {
    transform: scale(1.1);
}

/* Carousel Controls */
.carousel-control-prev,
.carousel-control-next {
    width: 60px;
    height: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 1;
    transition: var(--transition-base);
}

.carousel-control-prev {
    left: 20px;
}

.carousel-control-next {
    right: 20px;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    background: var(--color-accent);
}

.carousel-control-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 1.5rem;
    color: var(--color-white);
}

.carousel-control-prev:hover .carousel-control-icon,
.carousel-control-next:hover .carousel-control-icon {
    color: var(--color-primary);
}

/* Carousel Indicators */
.carousel-indicators {
    position: relative;
    margin-top: var(--space-lg);
    margin-bottom: 0;
}

.carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-light);
    border: none;
    opacity: 1;
    transition: var(--transition-base);
}

.carousel-indicators button.active {
    background: var(--color-accent);
    transform: scale(1.2);
}

/* Mobile Carousel */
@media (max-width: 991.98px) {
    .carousel-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575.98px) {
    .carousel-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .carousel-img-wrapper {
        aspect-ratio: 4/3;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 40px;
        height: 40px;
    }
    
    .carousel-control-prev {
        left: 10px;
    }
    
    .carousel-control-next {
        right: 10px;
    }
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    padding: var(--space-3xl) 0;
    background: var(--color-off-white);
}

.service-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    height: 100%;
    transition: var(--transition-base);
    border: 1px solid var(--color-light);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.service-icon-wrapper i {
    font-size: 2rem;
    color: var(--color-primary);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--color-gray);
}

.service-list li i {
    color: var(--color-accent);
    margin-top: 4px;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.trust-item i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.social-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.social-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.social-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    transition: var(--transition-base);
}

.social-card.whatsapp::before { background: var(--color-whatsapp); }
.social-card.instagram::before { background: var(--color-instagram); }
.social-card.linkedin::before { background: var(--color-linkedin); }
.social-card.email::before { background: var(--color-email); }

.social-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.social-card.whatsapp:hover { background: var(--color-whatsapp); color: var(--color-white); }
.social-card.instagram:hover { background: var(--color-instagram); color: var(--color-white); }
.social-card.linkedin:hover { background: var(--color-linkedin); color: var(--color-white); }
.social-card.email:hover { background: var(--color-email); color: var(--color-white); }

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--color-white);
    transition: var(--transition-base);
}

.social-card.whatsapp .social-icon { color: var(--color-whatsapp); }
.social-card.instagram .social-icon { color: var(--color-instagram); }
.social-card.linkedin .social-icon { color: var(--color-linkedin); }
.social-card.email .social-icon { color: var(--color-email); }

.social-card:hover .social-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.social-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.social-name {
    font-weight: 600;
    font-size: 1.125rem;
}

.social-handle {
    font-size: 0.875rem;
    opacity: 0.7;
}

.social-arrow {
    font-size: 1.25rem;
    transition: var(--transition-base);
}

.social-card:hover .social-arrow {
    transform: translate(5px, -5px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-off-white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
}

.form-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.form-subtitle {
    color: var(--color-gray);
    margin-bottom: var(--space-lg);
}

.form-control,
.form-select {
    background: var(--color-white);
    border: 1px solid var(--color-light);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: var(--transition-base);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.2);
}

.form-floating > label {
    color: var(--color-gray);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--space-xl);
    align-items: start;
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    flex-direction: column;
}

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

.footer-tagline {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
}

.footer-col h4 {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
}

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

.footer-social {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.social-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--color-white);
    transition: var(--transition-base);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
}

.copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.developer {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.developer a {
    color: var(--color-accent);
    font-weight: 600;
    transition: var(--transition-base);
}

.developer a:hover {
    color: var(--color-accent-light);
}

/* ============================================
   WhatsApp Float Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--color-whatsapp);
    animation: pulse-ring 1.5s ease-out infinite;
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-white);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-3px);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(10px);
        border-radius: var(--radius-lg);
        padding: var(--space-md);
        margin-top: var(--space-sm);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .hero-stats {
        gap: var(--space-md);
    }
    
    .stat-divider {
        display: none;
    }
    
    .about-content {
        padding-left: 0;
        margin-top: var(--space-xl);
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .about-image img {
        height: 350px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .materials-grid {
        gap: var(--space-md);
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .social-card {
        padding: var(--space-sm) var(--space-md);
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .back-to-top {
        bottom: 80px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 575.98px) {
    .section-tag {
        padding-left: 0;
    }
    
    .section-tag::before {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-md);
    }
}