/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Reset and Base Styles */
:root {
    --bg-primary: #070d16;
    --bg-secondary: #0d1726;
    --bg-card: rgba(16, 28, 45, 0.6);
    --bg-card-hover: rgba(24, 40, 64, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(var(--color-accent-rgb), 0.4);
    
    --color-accent: #901818; /* TECVIX Red */
    --color-accent-rgb: 144, 24, 24;
    --color-accent-hover: #ab1e1e;
    --color-blue: #0070f3;
    
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    --font-title: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(var(--color-accent-rgb), 0.15);
    --shadow-glow-hover: 0 0 35px rgba(var(--color-accent-rgb), 0.3);
    
    --max-width: 1200px;
    --header-height: 105px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: #1a2a40;
    border: 2px solid var(--bg-primary);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* Typography & Links */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-title);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

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

/* Utility Classes */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 8rem 0;
}

.text-accent {
    color: var(--color-accent);
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 30%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, #ffc048 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Shared Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-title);
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 30px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(var(--color-accent-rgb), 0.35);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    background-color: rgba(var(--color-accent-rgb), 0.05);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background-color: rgba(7, 13, 22, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: 85px;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-title);
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.logo-img {
    height: 75px; /* Aumentado de 60px para 75px conforme solicitado */
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
}

.header.scrolled .logo-img {
    height: 60px; /* Aumentado de 50px para 60px conforme solicitado */
}

.nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1100;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    position: absolute;
    left: 0;
    transition: var(--transition-normal);
}

.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 11px; }
.mobile-menu-btn span:nth-child(3) { top: 22px; }

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -8px);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-scanner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: #041122;
    overflow: hidden;
    --scan-percent: 0%;
}

.hero-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 6s cubic-bezier(0.1, 1, 0.1, 1);
}

.hero.loaded .hero-bg-img {
    transform: scale(1);
}

.hero-layer.layer-reality {
    z-index: 3;
    clip-path: polygon(0 0, 100% 0, 100% var(--scan-percent), 0 var(--scan-percent));
    transition: clip-path 0.15s cubic-bezier(0.1, 0.8, 0.2, 1);
}

.hero-layer.layer-blueprint {
    z-index: 1;
    background-color: #002244;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to bottom, rgba(7, 13, 22, 0.45) 0%, rgba(7, 13, 22, 0.98) 100%);
    z-index: 4;
}

.hero-laser {
    position: absolute;
    left: 0;
    top: var(--scan-percent);
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, transparent, var(--color-accent), transparent);
    box-shadow: 0 0 15px var(--color-accent), 0 0 30px var(--color-accent);
    z-index: 5;
    pointer-events: none;
    transform: translateY(-50%);
    transition: top 0.15s cubic-bezier(0.1, 0.8, 0.2, 1);
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 10;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s var(--transition-slow), transform 1s var(--transition-slow);
}

.hero.loaded .hero-content {
    opacity: 1;
    transform: translateY(0);
}

.hero-tag {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    margin-bottom: 1.5rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-tag::before {
    content: '';
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-accent);
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    font-weight: 300;
}

.hero-btns {
    display: flex;
    gap: 1.25rem;
}

/* Sections General */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 5rem auto;
}

.section-tag {
    color: var(--color-accent);
    font-family: var(--font-title);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 400;
}

/* About Us Section (Quem Somos) */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.about-text {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
}

.about-text.revealed {
    opacity: 1;
    transform: translateY(0);
}

.about-p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-p:last-of-type {
    margin-bottom: 0;
}

.about-visual {
    position: relative;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
}

.about-visual.revealed {
    opacity: 1;
    transform: scale(1);
}

.about-img-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.about-img-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.1) 0%, rgba(7, 13, 22, 0.4) 100%);
    pointer-events: none;
}

.about-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 1s var(--transition-slow);
}

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

.blueprint-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: 2;
    pointer-events: none;
}

.blueprint-drawing-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.blueprint-effect {
    filter: url(#blueprint-wireframe);
}

/* Scanner laser cleaned up */

.about-iso-overlay {
    position: absolute;
    bottom: -30px;
    left: -30px;
    height: 140px; /* Aumentado de 100px para 140px */
    width: auto;
    object-fit: contain;
    z-index: 10;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.6));
    transition: var(--transition-normal);
    pointer-events: none; /* Permite interações na imagem abaixo */
}

.about-visual:hover .about-iso-overlay {
    transform: scale(1.03) translateY(-3px);
}

/* Mission, Vision, Values (MVV) Section */
.mvv-bg {
    background-color: var(--bg-secondary);
    position: relative;
}

.mvv-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 80% 20%, rgba(var(--color-accent-rgb), 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.mvv-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 3rem 2.5rem;
    transition: var(--transition-slow);
    opacity: 0;
    transform: translateY(40px);
    position: relative;
    overflow: visible;
}

.mvv-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.mvv-card:nth-child(2) { transition-delay: 0.15s; }
.mvv-card:nth-child(3) { transition-delay: 0.3s; }

.mvv-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-glow);
}

.mvv-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: rgba(var(--color-accent-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--color-accent);
    transition: var(--transition-normal);
}

.mvv-card:hover .mvv-icon {
    background: var(--color-accent);
    color: #000000;
    transform: scale(1.1);
}

.mvv-icon svg {
    width: 30px;
    height: 30px;
    fill: currentColor;
}

.mvv-title {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.mvv-text {
    color: var(--text-secondary);
    font-size: 0.975rem;
    line-height: 1.6;
}

.values-list {
    list-style: none;
}

.values-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.values-list li::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 1rem;
}

/* Services Section */
.services-tabs-container {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
}

.services-tabs-container.revealed {
    opacity: 1;
    transform: translateY(0);
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.tab-btn {
    background: none;
    border: none;
    font-family: var(--font-title);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.75rem 1.5rem;
    transition: var(--transition-normal);
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -17px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--color-accent);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-panel {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.tab-panel.active {
    display: block;
    opacity: 1;
}

/* Tab Header Panel */
.panel-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.panel-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.panel-img-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.panel-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: transform 1s var(--transition-slow);
}

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

/* Services Grids */
.services-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: visible;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-accent);
    transition: var(--transition-normal);
    border-top-left-radius: inherit;
    border-bottom-left-radius: inherit;
    transform: scaleY(0);
    transform-origin: bottom;
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
    transform: scaleY(1);
}

.service-num {
    position: absolute;
    top: 2rem;
    right: 2.5rem;
    font-size: 2.5rem;
    font-family: var(--font-title);
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    transition: var(--transition-normal);
}

.service-card:hover .service-num {
    color: rgba(var(--color-accent-rgb), 0.08);
}

.service-card-title {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    padding-right: 1.5rem;
}

.service-card-desc {
    color: var(--text-secondary);
    font-size: 0.925rem;
    line-height: 1.6;
}

/* Specific styling for NR subcards */
.nr-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    font-family: var(--font-title);
}

.nr-10 { background: rgba(231, 76, 60, 0.15); color: #e74c3c; border: 1px solid rgba(231, 76, 60, 0.2); }
.nr-12 { background: rgba(46, 204, 113, 0.15); color: #2ecc71; border: 1px solid rgba(46, 204, 113, 0.2); }
.nr-13 { background: rgba(52, 152, 219, 0.15); color: #3498db; border: 1px solid rgba(52, 152, 219, 0.2); }

/* Inspection detailed card styling */
.insp-card-full {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 3rem;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.insp-card-full::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 5px;
    height: 100%;
    background-color: var(--color-accent);
}

.insp-left h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.insp-nrs {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.insp-right {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* Client logos Section */
.clients-section {
    background: var(--bg-secondary);
    padding: 5rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.clients-title {
    text-align: center;
    font-family: var(--font-title);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.slider-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 1rem 0;
}

.slider-container::before, .slider-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.slider-container::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-secondary) 0%, transparent 100%);
}

.slider-container::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-secondary) 0%, transparent 100%);
}

.slider-track {
    display: flex;
    width: calc(240px * 24); /* 12 logos * 2 (duplicadas) */
    animation: scroll 60s linear infinite;
}

.slider-track:hover {
    animation-play-state: paused;
}

.slide {
    width: 240px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.client-logo {
    height: 80px; /* Aumentado ainda mais, de 65px para 80px conforme solicitado */
    width: auto;
    max-width: 200px; /* Limita a largura dentro do slide de 240px com folga */
    object-fit: contain;
    filter: grayscale(100%) opacity(35%);
    transition: var(--transition-normal);
}

.slide:hover .client-logo {
    filter: grayscale(0%) opacity(90%);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-240px * 12));
    }
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
    align-items: start;
}

.contact-info {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
}

.contact-info.revealed {
    opacity: 1;
    transform: translateY(0);
}

.contact-info-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.contact-info-desc {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.contact-item-content span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-item-content a, .contact-item-content p {
    font-size: 1.05rem;
    font-weight: 500;
}

.contact-item-content a:hover {
    color: var(--color-accent);
}

/* ISO Certification Seal in Contacts */
.contact-iso-seal {
    height: 120px; /* Aumentado de 80px para 120px */
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.45));
    transition: var(--transition-normal);
}

.contact-iso-seal:hover {
    transform: scale(1.05) translateY(-2px);
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.6));
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
    position: relative;
    overflow: visible;
}

.contact-form-container.revealed {
    opacity: 1;
    transform: translateY(0);
}

.contact-form-container:hover {
    border-color: rgba(var(--color-accent-rgb), 0.2);
}

.form-group {
    position: relative;
    margin-bottom: 2.25rem;
}

.form-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border-color);
    padding: 0.75rem 0;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-label {
    position: absolute;
    left: 0;
    top: 0.75rem;
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-normal);
}

/* Floating labels */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: -1.25rem;
    font-size: 0.8rem;
    color: var(--color-accent);
}

textarea.form-input {
    min-height: 120px;
    resize: none;
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
    animation: fadeIn 0.4s ease;
}

.form-status.success {
    display: block;
    background: rgba(46, 204, 113, 0.1);
    border: 1px solid #2ecc71;
    color: #2ecc71;
}

.form-status.error {
    display: block;
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid #e74c3c;
    color: #e74c3c;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 3rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    max-width: 320px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

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

.social-link:hover {
    background: var(--color-accent);
    color: #000000;
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.social-link svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 25px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer-links {
    list-style: none;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

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

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 3.25rem;
    }
    
    .about-grid, .contact-grid {
        gap: 3rem;
    }
    
    .mvv-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .services-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section-padding {
        padding: 5rem 0;
    }
    
    /* Header menu mobile */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        z-index: 1050;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        border-left: 1px solid var(--border-color);
        transition: right var(--transition-normal);
    }
    
    .nav.active {
        right: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-desc {
        font-size: 1.1rem;
    }
    
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .about-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    
    .about-iso-overlay {
        bottom: -15px;
        left: -15px;
        height: 100px; /* Aumentado de 80px para 100px */
    }
    
    .mvv-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .panel-intro-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 3rem;
    }
    
    .panel-img {
        height: 220px;
    }
    
    .services-grid-3, .services-grid-2 {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .insp-card-full {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
    
    .insp-nrs {
        margin-top: 1rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-btns .btn {
        width: 100%;
    }
    
    .tabs-nav {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .tab-btn::after {
        display: none;
    }
    
    .tab-btn.active {
        background-color: rgba(var(--color-accent-rgb), 0.08);
        border-radius: 8px;
        width: 100%;
        text-align: center;
    }
    
    .iso-seal {
        flex-direction: column;
        text-align: center;
        width: 100%;
    }
}

/* HUD Cyber Overlays for Hero Banner */
.hud-box {
    position: absolute;
    background: rgba(3, 7, 15, 0.55);
    border: 1px solid rgba(0, 213, 255, 0.25);
    padding: 1rem 1.25rem;
    font-family: monospace;
    font-size: 0.72rem;
    color: #00d5ff;
    text-shadow: 0 0 5px rgba(0, 213, 255, 0.7);
    border-radius: 4px;
    z-index: 5;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), inset 0 0 10px rgba(0, 213, 255, 0.05);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.hud-box::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: 6px;
    height: 6px;
    border-top: 2px solid #00d5ff;
    border-left: 2px solid #00d5ff;
}

.hud-box::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 6px;
    height: 6px;
    border-bottom: 2px solid #00d5ff;
    border-right: 2px solid #00d5ff;
}

.hud-top-left {
    top: 120px;
    left: 4%;
    max-width: 320px;
}

.hud-bottom-right {
    bottom: 120px;
    right: 4%;
    max-width: 320px;
}

.hud-tag {
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(0, 213, 255, 0.2);
    padding-bottom: 0.25rem;
    margin-bottom: 0.15rem;
}

.hud-coords {
    color: rgba(0, 213, 255, 0.85);
}

/* Hide HUD boxes on mobile to prevent clutter */
@media (max-width: 768px) {
    .hud-box {
        display: none;
    }
}

/* Botão Flutuante do WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@media (max-width: 480px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}

.welder-arc-card {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: #ffaa00; /* Núcleo dourado em vez de branco */
    border-radius: 50%;
    z-index: 10;
    pointer-events: none;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: 0 0 15px #ffaa00, 0 0 30px #ff5500;
    animation: card-arc-flash 0.08s infinite alternate;
}

@keyframes card-arc-flash {
    0% {
        transform: translate(-50%, -50%) scale(0.85);
        box-shadow: 0 0 10px #ffaa00, 0 0 20px #ff5500;
        background-color: #ffe600;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.15);
        box-shadow: 0 0 20px #ffaa00, 0 0 35px #ff3300, 0 0 50px #ffaa00;
        background-color: #ff9900;
    }
}

.welding-spark-card {
    position: absolute;
    transform-origin: bottom center;
    border-radius: 1.5px;
    pointer-events: none;
    z-index: 9;
    box-shadow: 0 0 6px currentColor, 0 0 12px currentColor;
    opacity: 1;
}

@keyframes spark-streak-card {
    0% {
        transform: translate(0, 0) rotate(var(--angle)) scaleY(1);
        opacity: 1;
    }
    100% {
        transform: translate(var(--dx), var(--dy)) rotate(var(--angle)) scaleY(0.1);
        opacity: 0;
    }
}

/* Grade Estática de Logos de Clientes */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 3rem 2rem;
    align-items: center;
    justify-items: center;
    margin: 3.5rem auto 0 auto;
    max-width: 1100px;
}

@media (max-width: 992px) {
    .clients-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2.5rem 1.5rem;
    }
}

@media (max-width: 576px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem 1rem;
    }
}

.clients-grid .client-logo {
    max-width: 120px;
    height: auto;
    max-height: 70px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.5);
    transition: filter 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

.clients-grid .client-logo:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.08);
}