/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Colors */
    --bg-dark-base: #030812;
    --bg-dark-surface: #0a1224;
    --bg-dark-card: #0d1933;
    --bg-dark-header: rgba(3, 8, 18, 0.85);
    
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    --color-accent-light: #60a5fa;
    --color-accent-rgb: 59, 130, 246;
    
    --color-whatsapp: #25d366;
    --color-whatsapp-hover: #128c7e;
    
    --border-color: rgba(255, 255, 255, 0.06);
    --border-color-hover: rgba(59, 130, 246, 0.3);
    
    /* Gradients */
    --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 30%, #60a5fa 100%);
    --gradient-card: linear-gradient(180deg, rgba(13, 25, 51, 0.5) 0%, rgba(10, 18, 36, 0.8) 100%);
    --gradient-glow: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);

    /* Fonts */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Layout */
    --container-max-width: 1200px;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
    --shadow-accent: 0 0 30px rgba(59, 130, 246, 0.2);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--bg-dark-base);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

/* ==========================================================================
   UTILITY CLASSES & GRID
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

.section-padding {
    padding-top: 100px;
    padding-bottom: 100px;
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent-light);
    margin-bottom: 12px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-lead {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
    white-space: nowrap;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
    gap: 10px;
    border-radius: var(--border-radius-md);
}

.btn-full {
    width: 100%;
    padding: 14px 24px;
    font-size: 0.95rem;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn-outline {
    background: transparent;
    color: #ffffff;
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #ffffff;
    transform: translateY(-2px);
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    background-color: var(--bg-dark-header);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 32px;
}

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

.nav-link:hover, .nav-link.active {
    color: #ffffff;
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.mobile-cta {
    display: none;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 100px;
    overflow: hidden;
}

.hero-glow-1 {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--gradient-glow);
    pointer-events: none;
    z-index: 1;
}

.hero-glow-2 {
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.badge-new {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-accent);
    animation: pulseGlow 2s infinite;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.icon-whatsapp {
    width: 20px;
    height: 20px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    padding: 24px 32px;
    border-radius: var(--border-radius-md);
    max-width: 580px;
}

.stat-item {
    flex: 1;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--border-color);
}

/* Hero Image Section */
.hero-image-wrapper {
    position: relative;
}

.image-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
    pointer-events: none;
}

.hero-image-container {
    position: relative;
    z-index: 2;
    border-radius: var(--border-radius-lg);
    overflow: visible;
}

.hero-img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--border-color);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: var(--transition-smooth);
}

.hero-image-wrapper:hover .hero-img {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* Floating Badges */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(13, 25, 51, 0.85);
    border: 1px solid var(--border-color-hover);
    backdrop-filter: blur(12px);
    padding: 16px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-premium);
    z-index: 10;
    transition: var(--transition-smooth);
}

.floating-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-light);
}

.floating-card.top-left {
    top: 10%;
    left: -15%;
}

.floating-card.bottom-right {
    bottom: 10%;
    right: -10%;
}

.card-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-info h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 2px;
}

.card-info p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   PRODUCTS SECTION
   ========================================================================== */
.products-section {
    position: relative;
    background-color: var(--bg-dark-surface);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-premium), var(--shadow-accent);
}

.product-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
}

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

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

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(3, 8, 18, 0.75);
    border: 1px solid var(--border-color-hover);
    backdrop-filter: blur(8px);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent-light);
}

.product-info {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-info h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-info > p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
}

.product-features {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-features li {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features li span {
    color: var(--color-accent-light);
    font-weight: bold;
}

/* ==========================================================================
   BRAND BANNER
   ========================================================================== */
.brand-banner {
    position: relative;
    padding: 120px 0;
    background-image: url('../images/brand-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
    overflow: hidden;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(3, 8, 18, 0.9) 0%, rgba(3, 8, 18, 0.75) 50%, rgba(3, 8, 18, 0.9) 100%);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.banner-content h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.banner-content p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   DIFFERENTIALS
   ========================================================================== */
.differentials-section {
    position: relative;
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.diff-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.diff-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

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

.diff-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-premium);
}

.diff-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-light);
    margin-bottom: 28px;
    transition: var(--transition-smooth);
}

.diff-card:hover .diff-icon-wrapper {
    background: var(--color-accent);
    color: #ffffff;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
    transform: rotateY(180deg);
}

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

.diff-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.diff-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   GALLERY SECTION
   ========================================================================== */
.gallery-section {
    background-color: var(--bg-dark-surface);
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
}

.tab-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 10px 24px;
    border-radius: 100px;
    color: var(--color-text-secondary);
    font-family: var(--font-heading);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-btn:hover, .tab-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: block;
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(0deg, rgba(3, 8, 18, 0.95) 0%, rgba(3, 8, 18, 0.4) 60%, rgba(3, 8, 18, 0) 100%);
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 2;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
    opacity: 1;
}

.gallery-overlay h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 6px;
}

.gallery-overlay p {
    font-size: 0.85rem;
    color: var(--color-accent-light);
}

/* ==========================================================================
   PROCESS SECTION
   ========================================================================== */
.process-timeline {
    position: relative;
    max-width: 850px;
    margin: 0 auto;
    padding-left: 40px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 15px;
    width: 2px;
    height: calc(100% - 30px);
    background: linear-gradient(180deg, var(--color-accent) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.process-step {
    position: relative;
    margin-bottom: 60px;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    position: absolute;
    left: -58px;
    top: 0;
    width: 38px;
    height: 38px;
    background: var(--bg-dark-base);
    border: 2px solid var(--color-accent);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    z-index: 5;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
    transition: var(--transition-smooth);
}

.process-step:hover .step-number {
    background: var(--color-accent);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.6);
    transform: scale(1.1);
}

.step-content {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

.process-step:hover .step-content {
    border-color: var(--border-color-hover);
    transform: translateX(8px);
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #ffffff;
}

.step-content p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */
.cta-final-section {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
    background-color: var(--bg-dark-surface);
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    z-index: 1;
}

.cta-container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    background: var(--gradient-card);
    border: 1px solid var(--border-color-hover);
    backdrop-filter: blur(12px);
    padding: 80px 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-premium), var(--shadow-accent);
}

.cta-container h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.cta-container p {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-actions {
    margin-bottom: 30px;
}

.pulse-button {
    animation: buttonPulse 2s infinite;
}

.cta-footer-info {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.cta-footer-info span {
    margin: 0 8px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    background-color: var(--bg-dark-base);
    border-top: 1px solid var(--border-color);
    padding-top: 80px;
    position: relative;
    z-index: 5;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-about .logo-svg {
    margin-bottom: 20px;
    margin-left: -10px;
}

.footer-about p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.footer-links h4, .footer-contact-info h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: #ffffff;
}

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

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

.footer-links a:hover {
    color: var(--color-accent-light);
    padding-left: 4px;
}

.footer-contact-info p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-item .icon {
    font-size: 1.2rem;
}

.contact-item .text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.contact-item:hover .text {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
}

.footer-bottom-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-bottom-flex p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: var(--transition-smooth);
}

.social-icon:hover {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   FLOATING WHATSAPP
   ========================================================================== */
.whatsapp-floating {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--color-whatsapp);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 999;
    transition: var(--transition-smooth);
    animation: buttonPulse 2s infinite;
}

.whatsapp-floating:hover {
    background-color: var(--color-whatsapp-hover);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-floating svg {
    width: 32px;
    height: 32px;
}

/* ==========================================================================
   ANIMATIONS & SCROLL REVEAL PREPARATION
   ========================================================================== */
@keyframes pulseGlow {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

@keyframes buttonPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Scroll reveal classes */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-lead {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-image-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .hero-img {
        transform: none !important;
    }
    
    .floating-card.top-left {
        left: -5%;
    }
    
    .floating-card.bottom-right {
        right: -5%;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .differentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding-top: 70px;
        padding-bottom: 70px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    /* Nav Menu Mobile */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--bg-dark-surface);
        border-left: 1px solid var(--border-color);
        padding: 100px 40px 40px 40px;
        z-index: 1050;
        transition: var(--transition-smooth);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 28px;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .header-cta {
        display: none;
    }
    
    .mobile-cta {
        display: inline-flex;
        margin-top: 20px;
        width: 100%;
    }
    
    /* Hamburger Menu Icon animation */
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 2.75rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
        text-align: center;
        padding: 20px;
    }
    
    .stat-divider {
        width: 80%;
        height: 1px;
        margin: 0 auto;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .differentials-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-tabs {
        flex-wrap: wrap;
    }
    
    .process-timeline::before {
        left: 10px;
    }
    
    .step-number {
        left: -48px;
        width: 30px;
        height: 30px;
        font-size: 0.85rem;
    }
    
    .step-content {
        padding: 24px;
    }
    
    .cta-container {
        padding: 50px 20px;
    }
    
    .cta-container h2 {
        font-size: 2.25rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom-flex {
        flex-direction: column-reverse;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .floating-card {
        display: none; /* Hide floating cards on very small devices to avoid clutter */
    }
    
    .whatsapp-floating {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-floating svg {
        width: 26px;
        height: 26px;
    }
}