/* ==========================================================================
   CSS PRINCIPAL - MASTER-METAL.CL
   Aesthetics: Premium Dark Industrial / Metallic Theme
   Typography: Outfit (Headings) & Inter (Body)
   ========================================================================== */

/* Design Tokens & Variables */
:root {
    /* Colors (HSL) */
    --color-bg-main: HSL(220, 20%, 8%);         /* Dark Slate Blue */
    --color-bg-sec: HSL(220, 18%, 12%);         /* Slightly Lighter Slate */
    --color-bg-card: HSL(220, 18%, 16%);        /* Card Background */
    --color-border: HSL(220, 15%, 22%);         /* Border slate */
    
    --color-primary: HSL(28, 100%, 50%);        /* Vibrant Safety Orange */
    --color-primary-hover: HSL(28, 100%, 42%);  /* Darker Orange */
    --color-primary-glow: rgba(255, 107, 0, 0.3);
    
    --color-success: HSL(142, 70%, 45%);        /* Forest Green for Success */
    
    --color-text-main: HSL(0, 0%, 94%);         /* Bright White */
    --color-text-muted: HSL(220, 10%, 75%);     /* Soft Silver/Gray */
    --color-text-dark: HSL(220, 20%, 8%);
    
    /* Layout */
    --header-height: 80px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.7);
    --shadow-primary: 0 8px 30px var(--color-primary-glow);
}

/* Base resets & typography */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

/* Containers */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Headers & text formatting */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 3.5vw, 2.75rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.35rem, 2vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--color-text-muted);
    margin-bottom: 1.5em;
    font-size: clamp(1rem, 1.1vw, 1.125rem);
    font-weight: 300;
}

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

ul {
    list-style: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(10, 12, 16, 0.75);
    backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header.scrolled {
    height: 70px;
    background-color: rgba(10, 12, 16, 0.9);
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

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

.header-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-fast);
}

.header.scrolled .header-logo {
    height: 40px;
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
    background: linear-gradient(135deg, var(--color-text-main) 60%, var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Desktop nav */
.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    position: relative;
    padding: 8px 0;
}

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

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

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

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

.header-contact-mobile {
    display: none;
}

/* Header buttons */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.call-btn-desktop {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-primary);
    border: 1px solid rgba(255, 107, 0, 0.3);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 107, 0, 0.05);
}

.call-btn-desktop:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-main);
    border-color: var(--color-primary);
}

.cta-header-btn {
    background-color: var(--color-primary);
    color: var(--color-bg-main);
    font-weight: 600;
    padding: 10px 24px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
}

.cta-header-btn:hover {
    background-color: var(--color-primary-hover);
    box-shadow: var(--shadow-primary);
    transform: translateY(-2px);
}

/* Hamburger button */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-btn .bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-main);
    transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 80px;
    display: flex;
    align-items: center;
    position: relative;
    background-image: radial-gradient(circle at 80% 20%, rgba(255, 107, 0, 0.08), transparent 45%),
                      radial-gradient(circle at 10% 80%, rgba(255, 255, 255, 0.02), transparent 30%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    background-color: var(--color-primary-glow);
    color: var(--color-primary);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 107, 0, 0.2);
}

.hero-content h1 {
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 40%, var(--color-text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg-main);
    font-weight: 700;
    padding: 16px 36px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-primary);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-main);
    font-weight: 600;
    border: 1px solid var(--color-border);
    padding: 16px 36px;
    border-radius: var(--border-radius-sm);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--color-text-muted);
}

.hero-stats {
    display: flex;
    gap: 48px;
    border-top: 1px solid var(--color-border);
    padding-top: 32px;
}

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

.stat-num {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Hero card image */
.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.glass-panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    padding: 16px;
}

.hero-card {
    width: 100%;
    max-width: 460px;
    transition: var(--transition-smooth);
}

.hero-card:hover {
    transform: translateY(-8px) rotate(1deg);
    border-color: rgba(255, 107, 0, 0.2);
}

.hero-card-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    margin-bottom: 16px;
}

.hero-card-content h4 {
    margin-bottom: 6px;
}

.hero-card-content p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px auto;
}

.section-subtitle {
    display: inline-block;
    color: var(--color-primary);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 12px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
    padding: 100px 0;
    background-color: var(--color-bg-sec);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 40px 32px;
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 107, 0, 0.4);
    box-shadow: var(--shadow-lg);
}

.service-icon-wrapper {
    width: 64px;
    height: 64px;
    background-color: var(--color-primary-glow);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    border: 1px solid rgba(255, 107, 0, 0.15);
}

.service-icon-wrapper i {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.service-card h3 {
    margin-bottom: 16px;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-features {
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-main);
}

.service-features li i {
    color: var(--color-primary);
    font-size: 1rem;
}

.service-link {
    font-weight: 700;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    margin-top: auto;
}

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

.service-link i {
    transition: var(--transition-fast);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery {
    padding: 100px 0;
}

/* Filters */
.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-btn {
    background: var(--color-bg-sec);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-main);
}

.filter-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-main);
}

/* Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    aspect-ratio: 4/3;
    background-color: var(--color-bg-sec);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(10, 12, 16, 0.95) 10%, rgba(10, 12, 16, 0) 100%);
    padding: 24px 20px 20px 20px;
    transform: translateY(100%);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-overlay h4 {
    margin-bottom: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.item-overlay span {
    font-size: 0.8rem;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hover effects */
.gallery-item:hover {
    transform: scale(1.02);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item:hover .item-overlay {
    transform: translateY(0);
}

/* Lightbox Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 12, 16, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox-image {
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-caption {
    position: absolute;
    bottom: 40px;
    color: var(--color-text-main);
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 2.5rem;
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--color-primary);
}

.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    padding: 20px;
    transition: var(--transition-fast);
}

.lightbox-prev:hover, .lightbox-next:hover {
    color: var(--color-primary);
}

.lightbox-prev { left: 30px; }
.lightbox-next { right: 30px; }

/* ==========================================================================
   About / Nosotros Section
   ========================================================================== */
.about {
    padding: 100px 0;
    background-color: var(--color-bg-sec);
}

.about-container {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
    align-items: center;
}

.about-image-side {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.about-img {
    width: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.about-img:hover {
    transform: scale(1.03);
}

.about-content-side h2 {
    margin-bottom: 24px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-top: 40px;
}

.value-card {
    display: flex;
    gap: 20px;
}

.value-card i {
    font-size: 1.5rem;
    color: var(--color-primary);
    background-color: var(--color-primary-glow);
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(255, 107, 0, 0.1);
}

.value-card h5 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.value-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Contact Section & Form
   ========================================================================== */
.contact {
    padding: 100px 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
}

.contact-form-side {
    background-color: var(--color-bg-sec);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 48px;
    box-shadow: var(--shadow-md);
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-main);
}

.form-group label .required {
    color: var(--color-primary);
}

.form-group input,
.form-group textarea {
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    padding: 14px 18px;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-group input.error,
.form-group textarea.error {
    border-color: #cf2e2e;
}

.error-msg {
    color: #cf2e2e;
    font-size: 0.8rem;
    font-weight: 500;
    display: none;
}

.submit-btn {
    background-color: var(--color-primary);
    color: var(--color-bg-main);
    border: none;
    font-weight: 700;
    padding: 16px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-primary);
    transition: var(--transition-fast);
}

.submit-btn:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
}

.form-success-msg {
    display: none;
    background-color: rgba(0, 208, 130, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    margin-top: 24px;
    text-align: center;
}

/* Info side */
.contact-info-side {
    padding-top: 12px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 36px;
    margin-top: 40px;
    margin-bottom: 48px;
}

.detail-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.detail-icon {
    font-size: 1.25rem;
    color: var(--color-primary);
    background-color: var(--color-primary-glow);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(255, 107, 0, 0.1);
}

.detail-item h5 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--color-text-muted);
}

.detail-item a,
.detail-item p {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 0;
}

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

/* Payment trust */
.payment-trust {
    border-top: 1px solid var(--color-border);
    padding-top: 32px;
}

.payment-trust p {
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.transbank-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: #06070a;
    border-top: 1px solid var(--color-border);
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.footer-logo {
    height: 44px;
    width: auto;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-links a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
    display: inline-block;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom a {
    color: var(--color-text-main);
    font-weight: 500;
}

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

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-smooth);
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: inherit;
    opacity: 0.4;
    z-index: -1;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 76px;
    background-color: var(--color-bg-sec);
    color: var(--color-text-main);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: var(--transition-fast);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background-color: var(--color-bg-sec);
    border-right: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.3); opacity: 0; }
    100% { transform: scale(1); opacity: 0; }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    /* Navigation drawer for mobile */
    .nav {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-bg-main);
        flex-direction: column;
        align-items: center;
        padding-top: 60px;
        border-top: 1px solid var(--color-border);
        transition: var(--transition-smooth);
        z-index: 998;
    }
    
    .nav.open {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .header-contact-mobile {
        display: flex;
        flex-direction: column;
        gap: 16px;
        margin-top: 60px;
        width: 100%;
        max-width: 280px;
    }
    
    .contact-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        border: 1px solid var(--color-border);
        padding: 12px;
        border-radius: var(--border-radius-sm);
        font-weight: 600;
    }
    
    .contact-btn:hover {
        background-color: var(--color-primary);
        color: var(--color-bg-main);
        border-color: var(--color-primary);
    }
    
    .call-btn-desktop,
    .cta-header-btn {
        display: none;
    }
    
    .hamburger-btn {
        display: flex;
    }
    
    /* Hamburger toggling classes */
    .hamburger-btn.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger-btn.open .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger-btn.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions a {
        width: 100%;
        text-align: center;
    }
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    .gallery-filters {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-btn {
        border-radius: var(--border-radius-sm);
        text-align: center;
    }
    .contact-form-side {
        padding: 24px;
    }
}