/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
    /* Colors */
    --color-primary: #dc2626;         /* Industrial Red */
    --color-primary-hover: #b91c1c;   /* Darker Red */
    --color-success: #16a34a;         /* WhatsApp Green */
    --color-success-hover: #15803d;
    
    /* Neutral Dark */
    --color-dark-900: #0b0f19;        /* Deep Charcoal/Navy */
    --color-dark-800: #111827;        /* Gray 900 */
    --color-dark-700: #1f2937;        /* Gray 800 */
    --color-dark-600: #374151;        /* Gray 700 */
    
    /* Neutral Light */
    --color-light-100: #f8fafc;       /* Off-white */
    --color-light-200: #f1f5f9;       /* Light Gray */
    --color-light-300: #e2e8f0;       /* Medium Light Gray */
    
    /* Accents */
    --color-blue-bg: #1e3a8a;         /* Deep Blue for Products */
    --color-blue-gradient: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-light: #f9fafb;
    --text-muted: #9ca3af;
    
    /* Fonts */
    --font-headings: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-light-100);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1.5rem;
    padding-left: 1.5rem;
}

.text-center { text-align: center; }
.text-bold { font-weight: 700; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Section Common Styles */
section {
    padding: 6rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-headings);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-dark-800);
    margin-bottom: 1rem;
}

.section-divider {
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 0 auto 1.5rem auto;
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-headings);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

.btn-success {
    background-color: var(--color-success);
    color: white;
}

.btn-success:hover {
    background-color: var(--color-success-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.25);
}

/* ==========================================================================
   Header & Sticky Navbar
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    background-color: rgba(11, 15, 25, 0.95);
    padding: 0.25rem 0;
    box-shadow: var(--shadow-md);
}

.main-header.scrolled .header-container {
    height: 70px;
}

.main-header.scrolled .logo-img {
    height: 52px;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 85px;
    transition: height var(--transition-normal);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-bold {
    color: var(--text-light);
}

.logo-accent {
    color: var(--color-primary);
    margin-left: 2px;
}

.logo-img {
    height: 65px;
    width: auto;
    object-fit: contain;
    mix-blend-mode: screen;
    transition: all var(--transition-normal);
}

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

/* Navigation */
.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--color-light-300);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 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, .nav-link.active {
    color: var(--text-light);
}

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

/* Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.btn-whatsapp-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
}

.btn-whatsapp-header:hover {
    background-color: rgba(22, 163, 74, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.btn-whatsapp-header svg {
    color: var(--color-success);
}

.btn-nav-desktop {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.btn-nav-mobile {
    display: none;
}

/* Mobile Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-light);
    transition: all var(--transition-normal);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 10rem 0 7rem 0;
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    color: var(--text-light);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 15, 25, 0.92) 0%, rgba(17, 24, 39, 0.85) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

/* Hero Content */
.hero-content {
    max-width: 620px;
}

.badge {
    display: inline-block;
    background-color: rgba(220, 38, 38, 0.15);
    border: 1px solid rgba(220, 38, 38, 0.3);
    color: #fca5a5;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-headings);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--color-light-300);
    margin-bottom: 2.5rem;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-size: 1.05rem;
    font-weight: 500;
}

.icon-check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background-color: rgba(220, 38, 38, 0.15);
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Lead Form */
.hero-form-container {
    background: rgba(17, 24, 39, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    box-shadow: var(--shadow-glass);
}

.form-title {
    font-family: var(--font-headings);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.3px;
}

.form-description {
    font-size: 0.9rem;
    color: var(--color-light-300);
    margin-bottom: 1.75rem;
    line-height: 1.4;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1.15rem;
    background-color: rgba(255, 255, 255, 0.95);
    border: 1.5px solid transparent;
    border-radius: var(--radius-md);
    color: var(--color-dark-900);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background-color: #ffffff;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #6b7280;
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    background-color: var(--color-primary);
    color: white;
    font-size: 1.05rem;
    width: 100%;
    padding: 0.9rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.btn-submit:hover {
    background-color: var(--color-primary-hover);
    transform: none;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-section {
    background-color: var(--color-light-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.service-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-light-300);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(220, 38, 38, 0.2);
}

.service-image-container {
    position: relative;
    height: 180px;
    overflow: hidden;
}

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

.service-card:hover .service-image {
    transform: scale(1.08);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 40%, rgba(11, 15, 25, 0.4) 100%);
}

.service-info {
    padding: 1.5rem;
}

.service-name {
    font-family: var(--font-headings);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark-800);
    margin-bottom: 0.5rem;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ==========================================================================
   Products Section (Interactive Tabs)
   ========================================================================== */
.products-section {
    background: var(--color-blue-gradient);
    color: var(--text-light);
    position: relative;
}

.products-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.products-section .section-title {
    color: var(--text-light);
}

.products-section .section-subtitle {
    color: var(--color-light-300);
}

.products-section .section-divider {
    background-color: var(--color-light-100);
}

.products-tab-container {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 3rem;
    margin-top: 3rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    backdrop-filter: blur(8px);
}

/* Tab Menu (Left) */
.tab-menu {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tab-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.75);
    padding: 1.15rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    text-align: left;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
}

.tab-button:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    border-color: rgba(255, 255, 255, 0.25);
}

.tab-button.active {
    background-color: #ffffff;
    color: var(--color-dark-900);
    border-color: #ffffff;
    box-shadow: var(--shadow-lg);
}

.tab-arrow {
    transition: transform var(--transition-normal);
    opacity: 0.5;
}

.tab-button.active .tab-arrow {
    transform: translateX(3px);
    opacity: 1;
}

/* Tab Panels (Right) */
.tab-content {
    position: relative;
    min-height: 420px;
}

.tab-panel {
    display: none;
    height: 100%;
    animation: fadeEffect var(--transition-slow) forwards;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeEffect {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    height: 100%;
}

.panel-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.panel-title {
    font-family: var(--font-headings);
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
    line-height: 1.25;
}

.panel-description {
    font-size: 0.95rem;
    color: var(--color-light-300);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.panel-list {
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.panel-list li {
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.panel-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
}

.panel-cta {
    align-self: flex-start;
    padding: 0.65rem 1.5rem;
    font-size: 0.9rem;
}

.panel-image-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
}

.panel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   Differentials Section
   ========================================================================== */
.differentials-section {
    background-color: #ffffff;
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.diff-card {
    padding: 2.5rem;
    background-color: var(--color-light-100);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-light-300);
    transition: all var(--transition-normal);
}

.diff-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(220, 38, 38, 0.15);
}

.diff-icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    background-color: rgba(220, 38, 38, 0.08);
    border: 1.5px solid rgba(220, 38, 38, 0.15);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.diff-title {
    font-family: var(--font-headings);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-dark-800);
    margin-bottom: 0.75rem;
}

.diff-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--color-dark-900);
    color: var(--text-light);
    padding: 5rem 0 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 1.7fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

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

.footer-title {
    font-family: var(--font-headings);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

/* Brand Col */
.footer-logo {
    margin-bottom: 1.25rem;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    color: var(--text-muted);
}

.social-links a:hover {
    background-color: var(--color-primary);
    color: white;
}

/* Links Col */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

/* Contact Col */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-info li svg {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.contact-info li span {
    line-height: 1.4;
}

/* Footer Bottom */
.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
    z-index: 2001;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: rgba(22, 163, 74, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-success);
    margin-bottom: 1.5rem;
}

.modal-title {
    font-family: var(--font-headings);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-dark-800);
    margin-bottom: 0.75rem;
}

.modal-body-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 2rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.modal-actions .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.modal-actions #btn-close-modal {
    background-color: var(--color-light-200);
    color: var(--color-dark-700);
    border: 1px solid var(--color-light-300);
}

.modal-actions #btn-close-modal:hover {
    background-color: var(--color-light-300);
}

/* ==========================================================================
   Scroll Animation Classes
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

/* Tablet Viewports */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-features {
        align-items: flex-start;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .products-tab-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .panel-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .panel-image-wrapper {
        height: 250px;
    }
    
    .differentials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 1fr;
        gap: 2rem;
    }
}

/* Mobile Viewports */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .header-container {
        height: 70px !important;
    }
    
    .logo-img {
        height: 48px !important;
    }
    
    .btn-nav-desktop {
        display: none;
    }
    
    .btn-whatsapp-header {
        display: none;
    }
    
    .btn-nav-mobile {
        display: inline-flex;
        width: 100%;
        margin-top: 1rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Navigation Menu Drawer */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-dark-900);
        padding: 3rem 2rem;
        transition: left var(--transition-normal);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
    }
    
    .nav-link {
        display: block;
        font-size: 1.2rem;
        padding: 0.5rem 0;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .products-tab-container {
        padding: 1.5rem;
    }
    
    .tab-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        gap: 0.5rem;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    
    .tab-menu::-webkit-scrollbar {
        display: none;
    }
    
    .tab-button {
        width: auto;
        flex-shrink: 0;
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
        justify-content: center;
    }
    
    .tab-arrow {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    .hero-section {
        padding: 8rem 0 5rem 0;
    }
    .form-title {
        font-size: 1.5rem;
    }
    .hero-form-container {
        padding: 1.5rem;
    }
}

/* Botão Flutuante do WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--color-success);
    color: #fff;
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: var(--color-success-hover);
    color: #fff;
}

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

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .whatsapp-float svg {
        width: 25px;
        height: 25px;
    }
}