:root {
    /* Cores Principais */
    --color-primary: #777C6D;
    --color-secondary: #BFC6C4;
    --color-accent-yellow: #E8E2D8;
    --color-accent-orange: #6F8F72;
    --color-text-light: #E8E2D8;
    --color-text-dark: #6F8F72;
    --color-border: rgba(111, 143, 114, 0.2);
    --color-glass-bg: rgba(111, 143, 114, 0.05);
    
    /* Gradientes */
    --gradient-primary: #777C6D;
    --gradient-accent: linear-gradient(135deg, #E8E2D8 0%, #BFC6C4 100%);
    --gradient-glass: rgba(111, 143, 114, 0.08);
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 20px rgba(255, 165, 0, 0.1);
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Tipografia */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-Index */
    --z-fixed: 1000;
    --z-modal: 2000;
    --z-loader: 9999;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 165, 0, 0.1); }
    50% { box-shadow: 0 0 30px rgba(255, 165, 0, 0.3); }
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

@keyframes particles {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx), var(--ty)) scale(0);
        opacity: 0;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loader);
    animation: fadeOut 0.8s ease-out 2s forwards;
}

.loader-container {
    position: relative;
    width: 80px;
    height: 80px;
}

.loader-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-radius: 50%;
    border-top-color: var(--color-accent-yellow);
    animation: spin 1.5s linear infinite;
}

.loader-ring:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-ring:nth-child(3) {
    animation-delay: 0.4s;
}

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

@keyframes fadeOut {
    to { opacity: 0; visibility: hidden; }
}

/* Partículas de fundo */
#particlesCanvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm) 0;
    background: white;
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header.scrolled {
    background: white;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 1.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #000;
    display: flex;
    align-items: center;
}

.logo-image {
    height: 100px;
    width: auto;
    max-width: 250px;
}

.logo-accent {
    color: var(--color-accent-yellow);
}

.logo-subtitle {
    font-size: 0.6rem;
    letter-spacing: 3px;
    margin-top: -5px;
    color: var(--color-accent-yellow);
}

/* Navegação Desktop */
.nav-desktop {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: #000;
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #6F8F72;
    transition: width var(--transition-normal);
}

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

.nav-link:hover {
    color: #6F8F72;
}

/* CTA Button */
.cta-button {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-accent);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 165, 0, 0.3);
}

/* Menu Toggle Mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-accent-yellow);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Navegação Mobile */
.nav-mobile {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(10px);
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    animation: slideDown 0.3s ease-out;
    border-bottom: 1px solid var(--color-border);
}

.nav-mobile.active {
    display: flex;
}

.nav-link-mobile {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
}

.nav-link-mobile:hover {
    color: var(--color-accent-yellow);
    padding-left: var(--spacing-sm);
}

.cta-button-mobile {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    margin-top: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.8) 0%, rgba(26, 40, 71, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-lg);
}

.hero-headline {
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-headline::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--gradient-accent);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
}

.hero-subheadline {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-light);
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-accent);
    color: rgb(87, 82, 82);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(255, 165, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid var(--color-accent-yellow);
}

.btn-secondary:hover {
    background: var(--color-accent-yellow);
    color: var(--color-text-dark);
}

.btn-secondary-alt {
    background: rgba(255, 165, 0, 0.2);
    color: var(--color-accent-yellow);
    border: 2px solid var(--color-accent-yellow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary-alt:hover {
    background: var(--color-accent-yellow);
    color: var(--color-text-dark);
}

/* Floating Stats */
.floating-stats {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.stat-item {
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

.stat-item:nth-child(2) {
    animation-delay: 0.3s;
}

.stat-item:nth-child(3) {
    animation-delay: 0.6s;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--color-accent-yellow);
    font-family: var(--font-primary);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 30px;
    background: var(--color-accent-yellow);
    border-radius: 10px;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-accent);
    z-index: var(--z-fixed) + 1;
    width: 0;
    transition: width 0.1s ease;
}

/* Seções */
section {
    position: relative;
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    margin: var(--spacing-md) auto 0;
    border-radius: 2px;
}

/* Empresa Section */
.empresa {
    background: var(--gradient-primary);
}

.empresa-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: center;
}

.empresa-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.empresa-text .lead {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text-light);
}

.empresa-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.stat-card {
    background: rgba(255, 165, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    background: rgba(255, 165, 0, 0.1);
    border-color: var(--color-accent-yellow);
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 2rem;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-accent-yellow);
    margin-bottom: 0.5rem;
}

.stat-content p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    opacity: 0.8;
}

.counter {
    display: inline-block;
}

/* Diferenciais Cards */
.empresa-diferenciais {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.diferencial-card {
    background: rgba(255, 165, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.diferencial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 165, 0, 0.1);
    transition: left var(--transition-normal);
    z-index: 0;
}

.diferencial-card:hover::before {
    left: 100%;
}

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

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.diferencial-card h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.diferencial-card p {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.6;
}

/* Serviços Section */
.servicos {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.servico-card {
    background: rgba(255, 165, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.servico-card:hover {
    border-color: var(--color-accent-yellow);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 165, 0, 0.15);
}

.servico-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--color-secondary);
}

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

.servico-card:hover .servico-image img {
    transform: scale(1.1);
}

.servico-content {
    padding: var(--spacing-lg);
    position: relative;
}

.servico-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.servico-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.servico-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}

.btn-saiba-mais {
    background: transparent;
    border: 2px solid var(--color-accent-yellow);
    color: var(--color-accent-yellow);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-saiba-mais:hover {
    background: var(--color-accent-yellow);
    color: var(--color-text-dark);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    animation: fadeInDown 0.3s ease-out;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--gradient-primary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-accent-yellow);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
}

.modal-close:hover {
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-body h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-yellow);
}

.modal-body p {
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.modal-body ul {
    margin: var(--spacing-md) 0;
    padding-left: 2rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
}

/* Frota Section */
.frota {
    background: var(--gradient-primary);
}

.frota-slider {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
}

.slider-btn {
    background: rgba(255, 165, 0, 0.2);
    border: 2px solid var(--color-accent-yellow);
    color: var(--color-accent-yellow);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.slider-btn:hover {
    background: var(--color-accent-yellow);
    color: var(--color-text-dark);
}

.frota-container {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: var(--spacing-md) 0;
    flex: 1;
    scroll-snap-type: x mandatory;
}

.frota-item {
    flex: 0 0 calc(50% - var(--spacing-md)/2);
    scroll-snap-align: center;
    background: rgba(255, 165, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.frota-item:hover {
    border-color: var(--color-accent-yellow);
    transform: translateY(-5px);
}

.frota-image {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

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

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

.frota-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: var(--spacing-lg);
    color: white;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

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

.frota-specs {
    padding: var(--spacing-lg);
}

.frota-specs p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.frota-specs strong {
    color: var(--color-accent-yellow);
}

.frota-dots {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 165, 0, 0.3);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.dot.active {
    background: var(--color-accent-yellow);
    transform: scale(1.2);
}

/* Diferenciais Section */
.diferenciais {
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.diferencial-item {
    background: rgba(255, 165, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.diferencial-item:hover {
    background: rgba(255, 165, 0, 0.1);
    border-color: var(--color-accent-yellow);
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(255, 165, 0, 0.15);
}

.diferencial-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
    animation: float 3s ease-in-out infinite;
}

.diferencial-item:nth-child(2) .diferencial-icon {
    animation-delay: 0.3s;
}

.diferencial-item:nth-child(3) .diferencial-icon {
    animation-delay: 0.6s;
}

.diferencial-item h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.diferencial-item p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    opacity: 0.8;
    line-height: 1.6;
}

/* Obras Section */
.obras {
    background: var(--gradient-primary);
}

.obras-filters {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.7rem 1.5rem;
    background: rgba(255, 165, 0, 0.1);
    border: 2px solid var(--color-accent-yellow);
    color: var(--color-accent-yellow);
    border-radius: 25px;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 600;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-accent-yellow);
    color: var(--color-text-dark);
}

.obras-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.obra-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    height: 400px;
    cursor: pointer;
    opacity: 1;
    transition: all var(--transition-normal);
}

.obra-item.hidden {
    display: none;
}

.obra-image {
    position: relative;
    width: 100%;
    height: 100%;
}

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

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

.obra-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 165, 0, 0) 0%, rgba(10, 14, 39, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

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

.obra-overlay h4 {
    font-size: 1.3rem;
    color: var(--color-accent-yellow);
}

/* Clientes Section */
.clientes {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.clientes-slider {
    display: flex;
    gap: var(--spacing-xl);
    overflow-x: auto;
    padding: var(--spacing-lg) 0;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}

.cliente-item {
    flex: 0 0 150px;
    height: 150px;
    background: rgba(255, 165, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    filter: grayscale(100%);
}

.cliente-item:hover {
    filter: grayscale(0%);
    border-color: var(--color-accent-yellow);
    background: rgba(255, 165, 0, 0.1);
    transform: scale(1.05);
}

.cliente-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* CTA Section */
.cta {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.cta-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(26, 40, 71, 0.7) 100%);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.cta-content h2 {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 1px;
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Contato Section */
.contato {
    background: var(--gradient-primary);
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.contato-info {
    background: transparent;
    border: none;
    border-radius: 12px;
    padding: 0;
}

.contato-info h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-accent-yellow);
}

.contato-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    background: rgba(255, 165, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.info-card:hover {
    border-color: var(--color-accent-yellow);
    background: rgba(255, 165, 0, 0.1);
}

.info-icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.info-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--color-accent-yellow);
}

.info-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

.info-card a {
    color: var(--color-accent-yellow);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.info-card a:hover {
    text-decoration: underline;
}

.info-label {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 0.3rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 165, 0, 0.1);
    border: 2px solid var(--color-accent-yellow);
    color: var(--color-accent-yellow);
    transition: all var(--transition-normal);
}

.social-links a svg {
    width: 22px;
    height: 22px;
}

.social-links a:hover {
    background: var(--color-accent-yellow);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 165, 0, 0.3);
}

.contato-mapa {
    background: rgba(255, 165, 0, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-lg);
}

.contato-mapa h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-yellow);
}

.map {
    width: 100%;
    height: 400px;
    background: rgba(255, 165, 0, 0.1);
    border-radius: 8px;
    position: relative;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6F8F72, #BFC6C4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-normal);
    z-index: 100;
    animation: bounce 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* Footer */
.footer {
    background: linear-gradient(180deg, rgba(111, 143, 114, 0.9) 0%, rgba(0, 0, 0, 0.95) 100%);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-yellow);
}

.footer-section p {
    line-height: 1.8;
    opacity: 0.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: all var(--transition-normal);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-lg);
    text-align: center;
    opacity: 0.7;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(255, 165, 0, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-headline {
        font-size: var(--font-size-2xl);
    }

    .hero-subheadline {
        font-size: 1rem;
    }

    .floating-stats {
        flex-direction: column;
        bottom: 20px;
        gap: var(--spacing-md);
    }

    .empresa-content {
        grid-template-columns: 1fr;
    }

    .empresa-stats {
        grid-template-columns: 1fr;
    }

    .servicos-grid {
        grid-template-columns: 1fr;
    }

    .frota-slider {
        flex-direction: column;
    }

    .frota-container {
        width: 100%;
    }

    .frota-item {
        flex: 0 0 100%;
    }

    .diferenciais-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .contato-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .stat-card {
        flex-direction: column;
        text-align: center;
    }

    .cta-content h2 {
        font-size: var(--font-size-2xl);
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }

    .back-to-top {
        bottom: 80px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .hero {
        height: 70vh;
    }

    .hero-headline {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .servicos-grid {
        grid-template-columns: 1fr;
    }

    .diferencial-item {
        padding: var(--spacing-md);
    }

    .map {
        height: 250px;
    }

    .frota-container {
        gap: var(--spacing-sm);
    }
}