/* ============================================
   BF CONSTRUÇÕES E ARQUITETURA - CSS PREMIUM
   Design Profissional e Responsivo
   ============================================ */

/* ===========================
   Reset e Configurações Base
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta Premium - Arquitetura Corporativa */
    --primary-dark: #0A1E3D;
    --primary-blue: #1E3A5F;
    --accent-gold: #D4AF37;
    --accent-gold-light: #E8C966;
    --neutral-dark: #2C3E50;
    --neutral-gray: #5A6C7D;
    --neutral-light: #B8C5D6;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-light: #6C757D;
    
    /* Gradientes Premium */
    --gradient-primary: linear-gradient(135deg, #0A1E3D 0%, #1E3A5F 100%);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #E8C966 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(10, 30, 61, 0.92) 0%, rgba(30, 58, 95, 0.88) 100%);
    
    /* Tipografia */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Sombras Profissionais */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.25);
    
    /* Transições Suaves */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* ===========================
   Navegação Premium
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo img {
    height: 55px;
    width: auto;
    transition: var(--transition-base);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 36px;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-base);
    position: relative;
    padding: 8px 0;
}

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

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

.nav-link:hover {
    color: var(--accent-gold);
}

/* Botão CTA Navegação - Redesenhado */
.btn-cta-nav {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient-gold);
    color: var(--primary-dark);
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: var(--shadow-gold);
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-cta-nav:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(212, 175, 55, 0.35);
    background: var(--accent-gold-light);
}

.btn-cta-nav i {
    font-size: 1rem;
    transition: var(--transition-fast);
}

.btn-cta-nav:hover i {
    transform: translateX(3px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--primary-dark);
    transition: var(--transition-base);
    border-radius: 2px;
}

/* ===========================
   Hero Section Premium
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(10, 30, 61, 0.95) 0%, rgba(30, 58, 95, 0.9) 100%),
                url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1920&q=80') center/cover;
    position: relative;
    padding-top: 90px;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--bg-white);
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-badge {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--primary-dark);
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 24px;
    box-shadow: var(--shadow-gold);
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 300;
    margin-bottom: 20px;
    color: var(--accent-gold-light);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--accent-gold);
    font-family: var(--font-heading);
    line-height: 1;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.85;
    margin-top: 8px;
}

/* ===========================
   Botões Premium
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--primary-dark);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4);
}

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

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

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

/* ===========================
   Sections Comuns
   =========================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary-dark);
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-gold);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===========================
   Quem Somos
   =========================== */
.quem-somos {
    background: var(--bg-light);
}

.quem-somos-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.quem-somos-text .lead {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 40px;
    color: var(--neutral-dark);
    font-weight: 400;
}

.missao-box {
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-md);
}

.missao-box h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.valores h3 {
    font-size: 1.75rem;
    color: var(--primary-dark);
    margin-bottom: 28px;
}

.valores-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.valor-item {
    text-align: center;
    padding: 24px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.valor-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.valor-item i {
    font-size: 2.5rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
}

.valor-item h4 {
    font-size: 1.2rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.valor-item p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.quem-somos-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

/* ===========================
   Serviços
   =========================== */
.servicos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.servico-card {
    background: var(--bg-white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    border-top: 4px solid var(--accent-gold);
}

.servico-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.servico-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: var(--shadow-gold);
}

.servico-icon i {
    font-size: 2rem;
    color: var(--primary-dark);
}

.servico-card h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.servico-card > p {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.7;
}

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

.servico-features li {
    padding: 10px 0;
    color: var(--neutral-dark);
    display: flex;
    align-items: center;
    gap: 12px;
}

.servico-features i {
    color: var(--accent-gold);
    font-size: 1rem;
}

/* ===========================
   Diferenciais
   =========================== */
.diferenciais {
    background: var(--gradient-primary);
    color: var(--bg-white);
}

.diferenciais .section-title {
    color: var(--bg-white);
}

.diferenciais .section-subtitle {
    color: var(--neutral-light);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.diferencial-item {
    text-align: center;
    padding: 32px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.diferencial-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-5px);
}

.diferencial-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-gold);
}

.diferencial-icon i {
    font-size: 2.2rem;
    color: var(--primary-dark);
}

.diferencial-item h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.diferencial-item p {
    opacity: 0.95;
    line-height: 1.7;
}

/* ===========================
   PORTFÓLIO PREMIUM - REDESIGN COMPLETO
   =========================== */
.portfolio {
    background: var(--bg-light);
}

.portfolio-intro {
    max-width: 900px;
    margin: 0 auto 50px;
    text-align: center;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--neutral-dark);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 32px;
    border: 2px solid var(--primary-dark);
    background: transparent;
    color: var(--primary-dark);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-body);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-dark);
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.portfolio-item {
    transition: var(--transition-base);
}

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

.portfolio-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

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

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

.portfolio-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-gold);
    color: var(--primary-dark);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: var(--shadow-md);
}

.portfolio-content {
    padding: 28px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-title {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-weight: 600;
}

.portfolio-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
    font-size: 0.95rem;
}

.portfolio-specs {
    display: flex;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--bg-light);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--neutral-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

.spec-item i {
    color: var(--accent-gold);
    font-size: 1rem;
}

.portfolio-info {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--accent-gold);
}

.portfolio-info h3 {
    font-size: 1.75rem;
    color: var(--primary-dark);
    margin-bottom: 24px;
}

.portfolio-info ul {
    list-style: none;
    margin-bottom: 24px;
}

.portfolio-info ul li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--neutral-dark);
    border-bottom: 1px solid var(--bg-light);
}

.portfolio-info ul li:last-child {
    border-bottom: none;
}

.portfolio-info ul li i {
    color: var(--accent-gold);
    font-size: 1.2rem;
}

.portfolio-note {
    font-style: italic;
    color: var(--text-light);
    border-left: 4px solid var(--accent-gold);
    padding-left: 20px;
    line-height: 1.7;
}

/* ===========================
   Depoimentos
   =========================== */
.depoimentos {
    background: var(--bg-white);
}

.depoimentos-slider {
    max-width: 900px;
    margin: 0 auto 40px;
    position: relative;
    min-height: 320px;
}

.depoimento-item {
    display: none;
    text-align: center;
    padding: 48px;
    background: var(--bg-light);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.depoimento-item.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.depoimento-stars {
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-bottom: 24px;
}

.depoimento-text {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--neutral-dark);
    line-height: 1.8;
    margin-bottom: 28px;
}

.depoimento-autor strong {
    display: block;
    font-size: 1.125rem;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.depoimento-autor span {
    font-size: 0.95rem;
    color: var(--text-light);
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border: 2px solid var(--primary-dark);
    background: transparent;
    color: var(--primary-dark);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--primary-dark);
    color: var(--bg-white);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--neutral-light);
    cursor: pointer;
    transition: var(--transition-base);
}

.dot.active {
    background: var(--accent-gold);
    width: 32px;
    border-radius: 6px;
}

/* ===========================
   CEO
   =========================== */
.ceo {
    background: var(--bg-light);
}

.ceo-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 60px;
    align-items: start;
}

.ceo-image {
    position: relative;
}

.ceo-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.ceo-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: var(--gradient-gold);
    color: var(--primary-dark);
    padding: 16px 28px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    box-shadow: var(--shadow-gold);
}

.ceo-badge i {
    font-size: 1.5rem;
}

.ceo-info h3 {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: 24px;
}

.ceo-info .lead {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 20px;
    font-weight: 400;
}

.ceo-info p {
    margin-bottom: 24px;
    line-height: 1.8;
    color: var(--neutral-dark);
}

.ceo-formacao,
.ceo-competencias,
.ceo-visao {
    background: var(--bg-white);
    padding: 32px;
    border-radius: 16px;
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
}

.ceo-formacao h4,
.ceo-competencias h4,
.ceo-visao h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-dark);
    font-size: 1.35rem;
    margin-bottom: 20px;
}

.ceo-formacao h4 i,
.ceo-competencias h4 i,
.ceo-visao h4 i {
    color: var(--accent-gold);
}

.ceo-formacao ul {
    list-style: none;
}

.ceo-formacao ul li {
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-light);
}

.ceo-formacao ul li:last-child {
    border-bottom: none;
}

.competencias-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.competencia-tag {
    background: var(--gradient-primary);
    color: var(--bg-white);
    padding: 10px 18px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===========================
   Orçamento
   =========================== */
.orcamento {
    background: var(--bg-white);
}

.orcamento-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.orcamento-form {
    background: var(--bg-light);
    padding: 48px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.form-group label i {
    color: var(--accent-gold);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--neutral-light);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-base);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 3px rgba(10, 30, 61, 0.1);
}

.orcamento-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.info-box {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.info-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.info-box i {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
}

.info-box h4 {
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.info-box p {
    color: var(--text-light);
}

/* ===========================
   Contato
   =========================== */
.contato {
    background: var(--gradient-primary);
    color: var(--bg-white);
}

.contato .section-title {
    color: var(--bg-white);
}

.contato-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contato-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contato-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contato-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contato-icon i {
    font-size: 1.8rem;
    color: var(--primary-dark);
}

.contato-text h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.contato-text p,
.contato-text a {
    color: var(--neutral-light);
    text-decoration: none;
    transition: var(--transition-base);
}

.contato-text a:hover {
    color: var(--accent-gold);
}

.contato-social h4 {
    font-size: 1.3rem;
    margin-bottom: 16px;
}

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

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.5rem;
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--accent-gold);
    color: var(--primary-dark);
    transform: translateY(-3px);
}

.contato-form-wrapper {
    background: var(--bg-white);
    padding: 48px;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
}

.contato-form-wrapper h3 {
    font-size: 1.75rem;
    color: var(--primary-dark);
    margin-bottom: 32px;
}

.contato-form .form-group {
    margin-bottom: 24px;
}

.contato-form input,
.contato-form textarea {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--neutral-light);
    border-radius: 10px;
    font-family: var(--font-body);
    transition: var(--transition-base);
}

.contato-form input:focus,
.contato-form textarea:focus {
    outline: none;
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 3px rgba(10, 30, 61, 0.1);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--primary-dark);
    color: var(--bg-white);
    padding: 60px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-logo img {
    height: 50px;
    filter: brightness(0) invert(1);
}

.footer-logo h3 {
    font-size: 1.3rem;
}

.footer-tagline {
    color: var(--accent-gold-light);
    margin-bottom: 24px;
    font-style: italic;
}

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

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.3rem;
    transition: var(--transition-base);
}

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

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 24px;
    color: var(--accent-gold);
}

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

.footer-links li,
.footer-contact li {
    margin-bottom: 14px;
}

.footer-links a {
    color: var(--neutral-light);
    text-decoration: none;
    transition: var(--transition-base);
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--neutral-light);
}

.footer-contact i {
    color: var(--accent-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--neutral-light);
}

/* ===========================
   WhatsApp Float & Scroll Top
   =========================== */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 2rem;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.4);
}

.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 110px;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    border: none;
    border-radius: 50%;
    color: var(--primary-dark);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-gold);
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
    }
    50% {
        box-shadow: 0 0 0 18px rgba(212, 175, 55, 0);
    }
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

/* Tablet Large (1024px) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .quem-somos-content,
    .ceo-content,
    .orcamento-content,
    .contato-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

/* Tablet (768px) */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 88px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 88px);
        background: var(--bg-white);
        flex-direction: column;
        padding: 40px;
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .btn-cta-nav {
        width: 100%;
        justify-content: center;
        margin-top: 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 32px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .valores-grid,
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
        bottom: 24px;
        right: 24px;
    }
    
    .scroll-top {
        right: 90px;
        width: 48px;
        height: 48px;
        bottom: 24px;
    }
    
    section {
        padding: 70px 0;
    }
}

/* Mobile (480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .portfolio-card {
        margin: 0;
    }
    
    .orcamento-form,
    .contato-form-wrapper {
        padding: 32px 24px;
    }
}