/* ==========================================================================
   SINERGY ENGENHARIA ELÉTRICA - DESIGN SYSTEM & LAYOUT CSS
   Cores: #F29727 (Amber), #F2811D (Orange), #F24405 (Red-Orange)
   Neutros: Cinza Escuro Técnico, Branco, Off-White
   Tipografia: Títulos (Jost/Futura), Texto (Plus Jakarta Sans/Telegraf)
   ========================================================================== */

/* Cores e Variáveis Globais */
:root {
    /* Cores Solicitadas */
    --color-amber: #F29727;      /* HSL(33, 90%, 55%) */
    --color-orange: #F2811D;     /* HSL(28, 90%, 53%) */
    --color-red-orange: #F24405; /* HSL(16, 96%, 48%) */
    
    /* Neutros */
    --bg-base: hsl(220, 12%, 8%);         /* Cinza escuro profundo de fundo */
    --bg-surface: #1E2125;                /* Cinza escuro técnico para cards e cabeçalho */
    --bg-surface-hover: #262a30;
    --border-color: rgba(255, 255, 255, 0.08);
    
    --text-primary: #FFFFFF;
    --text-secondary: #D4D6DA;            /* Off-White */
    --text-muted: #8E929A;
    
    /* Gradientes */
    --grad-primary: linear-gradient(135deg, var(--color-amber) 0%, var(--color-orange) 50%, var(--color-red-orange) 100%);
    --grad-orange-red: linear-gradient(90deg, var(--color-orange) 0%, var(--color-red-orange) 100%);
    --grad-glow: radial-gradient(circle, rgba(242, 129, 29, 0.15) 0%, rgba(0, 0, 0, 0) 70%);

    /* Tipografias */
    --font-heading: 'Futura', 'Montserrat', 'Jost', sans-serif;
    --font-body: 'Telegraf', 'Plus Jakarta Sans', 'Inter', sans-serif;
    
    /* Transições e Sombras */
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-glow: 0 0 30px rgba(242, 129, 29, 0.2);
    --shadow-glow-red: 0 0 30px rgba(242, 68, 5, 0.35);
    
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    
    --navbar-height: 80px;
}

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

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

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

/* Estrutura de Grid & Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Destaques de Texto */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.gradient-orange {
    background: linear-gradient(90deg, var(--color-amber) 0%, var(--color-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-red {
    background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-red-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Botões Modernos */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-lg {
    padding: 0.9rem 2.2rem;
    font-size: 1.05rem;
}

.btn-primary {
    background: var(--grad-primary);
    color: #0c0d0f; /* Contraste impecável com texto escuro para o botão brilhante */
    box-shadow: 0 4px 15px rgba(242, 129, 29, 0.25);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(242, 68, 5, 0.4);
    filter: brightness(1.1);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--color-orange);
}

.btn-outline:hover {
    background-color: rgba(242, 129, 29, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(242, 129, 29, 0.15);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Navbar / Cabeçalho */
.navbar {
    height: var(--navbar-height);
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background-color: rgba(30, 33, 37, 0.75);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    height: 70px;
    background-color: rgba(30, 33, 37, 0.92);
}

.nav-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-img {
    height: 44px;
    max-height: 44px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-smooth);
    display: block;
}

.logo-fallback-container {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-icon {
    font-size: 1.4rem;
    color: var(--color-orange);
    animation: pulse-icon 2s infinite alternate;
}

@keyframes pulse-icon {
    0% { transform: scale(1); filter: drop-shadow(0 0 2px var(--color-orange)); }
    100% { transform: scale(1.15); filter: drop-shadow(0 0 8px var(--color-red-orange)); }
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    transition: var(--transition-smooth);
    padding: 0.25rem 0;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--grad-orange-red);
    transition: var(--transition-smooth);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Seção Hero */
.hero-section {
    position: relative;
    padding-top: calc(var(--navbar-height) + 5rem);
    padding-bottom: 8rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 180px;
    background: linear-gradient(to top, var(--bg-base) 0%, transparent 100%);
    pointer-events: none;
    z-index: 3;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.grid-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black, transparent 80%);
}

.energy-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.3;
}

.glow-1 {
    width: 450px;
    height: 450px;
    background-color: var(--color-orange);
    top: -50px;
    right: 5%;
}

.glow-2 {
    width: 350px;
    height: 350px;
    background-color: var(--color-red-orange);
    top: 30%;
    left: 5%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(242, 129, 29, 0.1);
    border: 1px solid rgba(242, 129, 29, 0.2);
    color: var(--color-amber);
    padding: 0.4rem 1.1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-orange);
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

.hero-title {
    font-size: clamp(2.3rem, 6vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 580px;
}

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

/* Gráfico de Circuitos Abstratos */
.hero-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.abstract-circuit {
    background: rgba(30, 33, 37, 0.65);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    width: 420px;
    height: 420px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    position: relative;
}

.circuit-svg {
    width: 80%;
    height: 80%;
}

.pulse-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: draw-circuit 6s linear infinite;
}

@keyframes draw-circuit {
    to {
        stroke-dashoffset: 0;
    }
}

.circuit-overlay-card {
    position: absolute;
    bottom: 20px;
    right: -20px;
    background: #1E2125;
    border: 1px solid rgba(242, 129, 29, 0.3);
    padding: 1.25rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-glow);
    animation: hover-float 4s ease-in-out infinite;
}

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

.card-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-metric {
    font-size: 2.2rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--color-orange);
    margin: 0.2rem 0;
}

.card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Seção Parceiros (Marquee Carrossel) */
.partners-section {
    background-color: #171A1E;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 3rem 0;
    overflow: hidden;
}

.partners-title {
    text-align: center;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 600;
}

.partners-marquee {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

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

.partners-marquee::before {
    left: 0;
    background: linear-gradient(90deg, #171A1E, transparent);
}

.partners-marquee::after {
    right: 0;
    background: linear-gradient(-90deg, #171A1E, transparent);
}

.marquee-track {
    display: inline-flex;
    animation: marquee-run 35s linear infinite;
    gap: 4rem;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.partner-logo img {
    height: 55px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.65) brightness(1.6);
    transition: var(--transition-smooth);
}

.partner-logo:hover img {
    filter: grayscale(0%) opacity(1) brightness(1);
    transform: scale(1.05);
}

@keyframes marquee-run {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Seções Padrão */
.about-section, .metrics-section, .services-section, .contact-section {
    padding: 8rem 0;
}

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

.section-title {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
    margin-bottom: 1rem;
    font-weight: 800;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Quem Somos (Visão & Missão - Layout Dividido) */
.about-container-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 5rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--shadow-glow);
    border: 1px solid rgba(242, 129, 29, 0.2);
}

.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.image-overlay-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(13, 14, 17, 0.8) 0%, rgba(13, 14, 17, 0.1) 60%, transparent 100%);
    pointer-events: none;
}

.experience-badge {
    position: absolute;
    bottom: 25px;
    left: 25px;
    background: rgba(30, 33, 37, 0.95);
    border: 1px solid rgba(242, 129, 29, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-glow);
    animation: hover-float 4s ease-in-out infinite;
}

.badge-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-orange);
    line-height: 1;
}

.badge-text {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    max-width: 90px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-content-side {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.section-header-left {
    text-align: left;
}

.section-header-left .section-subtitle {
    margin-top: 0.5rem;
}

.about-cards-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (max-width: 992px) {
    .about-cards-stack {
        grid-template-columns: 1fr;
    }
}

.about-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 2.2rem;
    border-radius: var(--border-radius-md);
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.about-card:hover {
    transform: translateY(-5px);
}

.vision-card:hover {
    border-color: var(--color-amber);
    box-shadow: 0 10px 30px rgba(242, 151, 39, 0.1);
}

.mission-card:hover {
    border-color: var(--color-red-orange);
    box-shadow: 0 10px 30px rgba(242, 68, 5, 0.15);
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    color: var(--color-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    border: 1px solid var(--border-color);
    flex-shrink: 0;
}

.vision-card .card-icon {
    color: var(--color-amber);
}

.mission-card .card-icon {
    color: var(--color-red-orange);
}

.about-card .card-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.about-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0;
    font-weight: 700;
}

.card-highlight {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0;
    line-height: 1.4;
}

.card-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Diferenciais & Métricas */
.metrics-section {
    background-color: #171A1E;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.metric-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.15);
}

.metric-card.highlight-card {
    background: linear-gradient(135deg, #1E2125 0%, #26211C 100%);
    border: 1px solid rgba(242, 129, 29, 0.35);
    box-shadow: 0 10px 25px rgba(242, 129, 29, 0.05);
}

.metric-num-wrapper {
    display: flex;
    align-items: baseline;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 3.5rem;
    line-height: 1;
    margin-bottom: 1rem;
}

.metric-num {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-plus {
    color: var(--color-red-orange);
    margin-left: 0.1rem;
}

.metric-icon-badge {
    width: 50px;
    height: 50px;
    background-color: rgba(242, 129, 29, 0.1);
    border: 1px solid rgba(242, 129, 29, 0.2);
    border-radius: 50%;
    color: var(--color-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.metric-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.metric-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Seção de Serviços */
.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.tab-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-smooth);
}

.tab-btn i {
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--grad-primary);
    color: #0c0d0f;
    border: none;
    box-shadow: var(--shadow-glow);
}

.tab-btn.active i {
    color: #0c0d0f;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeInTab 0.5s ease;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.service-item {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--grad-orange-red);
    opacity: 0;
    transition: var(--transition-smooth);
}

.service-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.15);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.service-item:hover::before {
    opacity: 1;
}

.s-icon {
    font-size: 1.8rem;
    color: var(--color-orange);
    margin-bottom: 1.5rem;
}

.service-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.9rem;
    line-height: 1.3;
}

.service-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Seção de Contato */
.contact-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 5rem;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.contact-card::after {
    content: '';
    position: absolute;
    right: -100px;
    bottom: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(242, 68, 5, 0.1) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
}

.contact-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.contact-intro p {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.c-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.c-info-item i {
    color: var(--color-orange);
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.sinergy-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 0.85rem 1.1rem;
    background-color: #171A1E;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238E929A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2em;
    padding-right: 2.5rem;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 0 3px rgba(242, 129, 29, 0.15);
}

.feedback-msg {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-weight: 600;
}

.feedback-msg.success {
    background-color: rgba(242, 151, 39, 0.1);
    border: 1px solid rgba(242, 151, 39, 0.25);
    color: var(--color-amber);
}

.hidden {
    display: none;
}

/* Rodapé */
.footer {
    background-color: #131518;
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 3rem 0;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.footer-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

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

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

.footer-socials a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-socials a:hover {
    background: var(--grad-primary);
    color: #0c0d0f;
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsividade de Alta Fidelidade */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 3rem auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .about-container-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-card {
        grid-template-columns: 1fr;
        gap: 4rem;
        padding: 4rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    /* Títulos Maiores no Mobile (768px) */
    .hero-title {
        font-size: 3.2rem;
    }
    
    .section-title {
        font-size: 2.4rem;
    }
    
    /* Textos Menores no Mobile (768px) */
    .hero-subtitle {
        font-size: 1.05rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    .card-text {
        font-size: 0.9rem;
    }
    
    .service-item p {
        font-size: 0.88rem;
    }
    
    .metric-card p {
        font-size: 0.88rem;
    }
    
    .contact-intro p {
        font-size: 0.95rem;
    }
    
    .about-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.2rem;
    }
    
    .abstract-circuit {
        width: 320px;
        height: 320px;
    }
    
    .tabs-nav {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tab-btn {
        justify-content: center;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* ==========================================================================
   CRO ENHANCEMENTS: HERO FORM, WHATSAPP FLOATING BUBBLE & UTILITIES
   ========================================================================== */

/* Utility: Ocultar para Leitores de Tela */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Hero Lead Card (CRO) */
.hero-lead-card {
    background-color: var(--bg-surface);
    border: 1px solid rgba(242, 129, 29, 0.35);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), var(--shadow-glow);
    position: relative;
    z-index: 5;
    animation: float-card 4s ease-in-out infinite;
}

@keyframes float-card {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.lead-card-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.lead-card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.lead-card-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hero-mini-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.hero-mini-form .form-group input {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: rgba(23, 26, 30, 0.7);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.hero-mini-form .form-group input:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 0 3px rgba(242, 129, 29, 0.15);
}

.lead-card-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.lead-card-footer i {
    color: var(--color-amber);
    margin-right: 0.3rem;
}

/* Botão Flutuante do WhatsApp (CRO) */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    z-index: 100;
    text-decoration: none;
    transition: var(--transition-smooth);
    animation: pulse-whatsapp 2s infinite alternate;
}

@keyframes pulse-whatsapp {
    0% { transform: scale(1); box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3); }
    100% { transform: scale(1.08); box-shadow: 0 4px 25px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.15); }
}

.whatsapp-float:hover {
    background-color: #20ba5a;
    transform: scale(1.15) rotate(5deg);
}

.whatsapp-tooltip {
    position: absolute;
    right: 80px;
    background-color: #1E2125;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

/* ==========================================================================
   DYNAMIC THEME TRANSITION: DARK TO LIGHT SECTION EFFECT
   ========================================================================== */

.services-section {
    background-color: var(--bg-base);
    color: var(--text-primary);
    transition: background-color 0.8s cubic-bezier(0.25, 0.8, 0.25, 1), 
                color 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.services-section.light-theme-active {
    background-color: #F8F9FA;
    color: #121214;
}

.services-section.light-theme-active .section-title {
    color: #121214;
}

.services-section.light-theme-active .section-subtitle {
    color: #4A4D55;
}

.services-section.light-theme-active .tab-btn {
    background-color: #EBECEF;
    border-color: rgba(0, 0, 0, 0.08);
    color: #4A4D55;
}

.services-section.light-theme-active .tab-btn:hover {
    color: #121214;
    border-color: rgba(0, 0, 0, 0.15);
}

.services-section.light-theme-active .tab-btn.active {
    background: var(--grad-primary);
    color: #0c0d0f;
    border: none;
    box-shadow: 0 8px 20px rgba(242, 129, 29, 0.15);
}

.services-section.light-theme-active .tab-btn.active i {
    color: #0c0d0f;
}

.services-section.light-theme-active .service-item {
    background-color: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.services-section.light-theme-active .service-item:hover {
    border-color: var(--color-orange);
    box-shadow: 0 15px 35px rgba(242, 129, 29, 0.08), 0 5px 15px rgba(0, 0, 0, 0.02);
}

.services-section.light-theme-active .service-item h3 {
    color: #121214;
}

.services-section.light-theme-active .service-item p {
    color: #4A4D55;
}

/* Overrides para o About split screen no tablet */
@media (max-width: 1024px) {
    .about-container-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
}

/* Responsividade Mobile Extra (Micro-Devices & Ultra-Fidelidade) */
@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .about-section, .metrics-section, .services-section, .contact-section {
        padding: 4rem 0;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .hero-section {
        padding-top: calc(var(--navbar-height) + 3rem);
        padding-bottom: 4rem;
    }
    
    /* Títulos Mais Robustos em Micro-Telas (480px) */
    .hero-title {
        font-size: clamp(2.4rem, 9.5vw, 3.0rem);
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .contact-intro h2 {
        font-size: 2.2rem;
    }
    
    .about-card h3 {
        font-size: 1.3rem;
    }
    
    .service-item h3 {
        font-size: 1.25rem;
    }
    
    /* Textos Mais Compactos em Micro-Telas (480px) */
    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    .card-text {
        font-size: 0.85rem;
    }
    
    .service-item p {
        font-size: 0.85rem;
    }
    
    .metric-card p {
        font-size: 0.85rem;
    }
    
    .contact-intro p {
        font-size: 0.9rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-lead-card {
        padding: 1.5rem;
    }
    
    .partner-logo img {
        height: 52px;
        filter: grayscale(0%) opacity(0.88) brightness(1.2);
    }
    
    .partners-section {
        padding: 2rem 0;
    }
    
    .about-card {
        padding: 2rem;
    }
    
    .metric-card {
        padding: 1.75rem;
    }
    
    .service-item {
        padding: 1.75rem;
    }
    
    .contact-card {
        padding: 2.5rem 1.25rem;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .whatsapp-tooltip {
        display: none !important; /* Esconde tooltip em telas muito pequenas para não cobrir o conteúdo */
    }
}

/* ==========================================================================
   PAGE ENTRY ANIMATIONS (PAGE LOAD & SCROLL REVEAL)
   ========================================================================== */

/* 1. Page Load Entrance Animations (Hero) */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 250ms; }
.delay-300 { animation-delay: 400ms; }
.delay-400 { animation-delay: 550ms; }

/* 2. Scroll Reveal Animations (Content Sections) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), 
                transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

.reveal-delay-1 { transition-delay: 150ms; }
.reveal-delay-2 { transition-delay: 300ms; }
.reveal-delay-3 { transition-delay: 450ms; }