/* ============================================
   DELFES ENERGIA - ESTILOS PRINCIPAIS
   ============================================ */

/* ============================================
   1. RESET E VARIÁVEIS GLOBAIS
   ============================================ */

:root {
    /* Cores Principais - Extraídas da Logo Oficial */
    --primary-color: #0A4568;
    --secondary-color: #FFD700;
    --accent-color: #0D5A7F;
    --dark-color: #073247;
    --light-color: #f5f9fc;
    
    /* Cores de Texto */
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-light: #7a7a7a;
    --text-white: #ffffff;
    
    /* Cores de Status */
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, #ffed4e 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(10, 69, 104, 0.95) 0%, rgba(13, 90, 127, 0.9) 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;
}

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

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

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

/* ============================================
   2. TIPOGRAFIA
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ============================================
   3. COMPONENTES GLOBAIS
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-secondary);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.highlight {
    color: var(--secondary-color);
    position: relative;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ============================================
   4. PRELOADER
   ============================================ */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
    color: var(--text-white);
}

.loader i {
    font-size: 3rem;
    color: var(--secondary-color);
    animation: pulse 1.5s ease-in-out infinite;
}

.loader p {
    margin-top: 1rem;
    font-size: 1.125rem;
    color: var(--text-white);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

/* ============================================
   5. HEADER/NAVEGAÇÃO
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 69, 104, 0.98);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.navbar {
    padding: 1.5rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-normal);
}

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

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-whatsapp {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--success-color);
    color: var(--text-white);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.btn-whatsapp:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-white);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

/* ============================================
   6. HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 100px;
}

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

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
    color: var(--text-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 215, 0, 0.2);
    border: 2px solid var(--secondary-color);
    border-radius: var(--radius-full);
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-color);
    color: var(--primary-color);
    font-size: 1.5rem;
    border-radius: var(--radius-md);
}

.stat-content h3 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.stat-content p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.3);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ============================================
   7. SOBRE SECTION
   ============================================ */

.sobre {
    padding: var(--spacing-xxl) 0;
    background: var(--light-color);
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.sobre-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.sobre-image img {
    width: 100%;
    height: auto;
    display: block;
}

.sobre-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.sobre-badge i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.sobre-text h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.sobre-features {
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    color: var(--primary-color);
    font-size: 1.25rem;
    border-radius: var(--radius-md);
}

.feature-text h4 {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.feature-text p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin: 0;
}

.sobre-cta {
    margin-top: 2rem;
}

/* ============================================
   8. SERVIÇOS SECTION
   ============================================ */

.servicos {
    padding: var(--spacing-xxl) 0;
}

.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.servico-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.servico-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.servico-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.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-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.servico-card:hover .servico-overlay {
    opacity: 1;
}

.servico-overlay i {
    font-size: 4rem;
    color: var(--secondary-color);
}

.servico-content {
    padding: 2rem;
}

.servico-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--secondary-color);
    font-size: 2rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.servico-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.servico-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.servico-features {
    list-style: none;
}

.servico-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.servico-features i {
    color: var(--success-color);
    font-size: 0.875rem;
}

/* ============================================
   9. DIFERENCIAIS SECTION
   ============================================ */

.diferenciais {
    padding: var(--spacing-xxl) 0;
    background: var(--light-color);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.diferencial-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

.diferencial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.diferencial-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    color: var(--primary-color);
    font-size: 2rem;
    border-radius: var(--radius-full);
    margin: 0 auto 1.5rem;
    transition: all var(--transition-normal);
}

.diferencial-card:hover .diferencial-icon {
    transform: scale(1.1) rotate(5deg);
}

.diferencial-card h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.diferencial-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.diferencial-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    color: var(--text-white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

/* ============================================
   10. PORTFÓLIO SECTION
   ============================================ */

.portfolio {
    padding: var(--spacing-xxl) 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.portfolio-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    text-align: center;
    color: var(--text-white);
    padding: 2rem;
}

.portfolio-info h3 {
    color: var(--text-white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.portfolio-info p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.portfolio-tags span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h4 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.portfolio-content p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* ============================================
   11. VÍDEOS SECTION
   ============================================ */

.videos {
    padding: var(--spacing-xxl) 0;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
}

@media (max-width: 768px) {
    .videos-grid {
        grid-template-columns: 1fr;
    }
}

.video-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* Aspect ratio 16:9 */
    background: var(--dark-color);
    overflow: hidden;
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 51, 102, 0.7);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.video-wrapper:hover .video-play-overlay {
    opacity: 1;
}

.video-play-overlay i {
    font-size: 4rem;
    color: var(--secondary-color);
    animation: pulse-play 2s infinite;
}

@keyframes pulse-play {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.video-content {
    padding: 2rem;
}

.video-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.video-content p {
    color: var(--text-light);
    margin: 0;
}

/* ============================================
   12. COG SECTION
   ============================================ */

.cog {
    padding: var(--spacing-xxl) 0;
    background: var(--light-color);
}

.cog-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cog-images {
    position: relative;
}

.cog-image-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.cog-image-main img {
    width: 100%;
    height: auto;
    display: block;
}

.cog-image-secondary {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    width: 50%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 5px solid white;
}

.cog-image-secondary img {
    width: 100%;
    height: auto;
    display: block;
}

.cog-text h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.cog-features {
    margin: 2rem 0;
}

.cog-feature-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.cog-feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(10px);
}

.cog-feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--secondary-color);
    font-size: 1.5rem;
    border-radius: var(--radius-md);
}

.cog-feature-text h4 {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.cog-feature-text p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin: 0;
}

.cog-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.cog-stat {
    flex: 1;
    text-align: center;
    padding: 1.5rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--text-white);
}

.cog-stat h4 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.cog-stat p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    margin: 0;
}

/* ============================================
   13. CONTATO SECTION
   ============================================ */

.contato {
    padding: var(--spacing-xxl) 0;
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contato-info h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.contato-items {
    margin: 2rem 0;
}

.contato-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.contato-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateX(10px);
}

.contato-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--secondary-color);
    font-size: 1.5rem;
    border-radius: var(--radius-md);
}

.contato-details h4 {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.contato-details a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.contato-details a:hover {
    color: var(--secondary-color);
}

.contato-details p {
    color: var(--text-secondary);
    margin: 0.25rem 0;
}

.contato-details .destaque {
    color: var(--success-color);
    font-weight: 600;
}

.contato-cta {
    margin-top: 2rem;
}

.contato-form-wrapper {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
}

.contato-form h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all var(--transition-normal);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   14. FOOTER
   ============================================ */

.footer {
    background: var(--dark-color);
    color: var(--text-white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    margin-bottom: 1rem;
    transition: transform var(--transition-normal);
}

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

.footer-logo .logo-image {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    transition: all var(--transition-normal);
}

.footer-social a:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-section h4 {
    color: var(--text-white);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: var(--secondary-color);
    font-size: 1.125rem;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0.5rem 0;
}

.footer-bottom i {
    color: var(--danger-color);
}

/* ============================================
   15. BOTÕES FLUTUANTES
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: var(--success-color);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    z-index: 999;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

@keyframes pulse-whatsapp {
    0%, 100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7); }
    50% { box-shadow: 0 0 0 15px rgba(40, 167, 69, 0); }
}

/* ============================================
   16. RESPONSIVIDADE
   ============================================ */

/* CTAs nas Seções */
.servicos-cta,
.diferenciais-cta,
.portfolio-cta,
.cog-cta {
    animation: fadeInUp 0.8s ease;
}

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

.servicos-cta h3,
.diferenciais-cta h3,
.portfolio-cta h3 {
    animation: pulse 2s ease-in-out infinite;
}

/* Hover effect nos botões WhatsApp */
.btn .fab.fa-whatsapp {
    transition: transform var(--transition-normal);
}

.btn:hover .fab.fa-whatsapp {
    transform: scale(1.2) rotate(15deg);
}

@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .hero-title { font-size: 2.5rem; }
    
    .sobre-content,
    .cog-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .cog-image-secondary {
        position: static;
        width: 60%;
        margin: 2rem auto 0;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--primary-color);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 1rem;
        transition: right var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        padding: 0.75rem 0;
        font-size: 1.125rem;
    }
    
    .btn-whatsapp span {
        display: none;
    }
    
    /* Logo responsivo */
    .logo-image {
        height: 40px;
    }
    
    .footer-logo .logo-image {
        height: 35px;
    }
    
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
    }
    
    .servicos-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .diferenciais-grid {
        grid-template-columns: 1fr;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .video-card {
        margin-bottom: 1rem;
    }
    
    .video-wrapper {
        padding-bottom: 56.25%; /* Manter aspect ratio 16:9 */
    }
    
    .contato-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        bottom: 5.5rem;
    }
    
    /* CTAs responsivos */
    .servicos-cta,
    .diferenciais-cta,
    .portfolio-cta {
        padding: 2rem 1.5rem !important;
    }
    
    .servicos-cta h3,
    .diferenciais-cta h3,
    .portfolio-cta h3 {
        font-size: 1.5rem !important;
    }
    
    .servicos-cta p,
    .diferenciais-cta p,
    .portfolio-cta p {
        font-size: 1rem !important;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .sobre-cta {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
    
    .sobre-cta .btn {
        margin-left: 0 !important;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    
    .section-title { font-size: 1.75rem; }
    
    .hero-title { font-size: 1.75rem; }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .video-content {
        padding: 1.5rem;
    }
    
    .video-content h3 {
        font-size: 1.25rem;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}