/* ==========================================================================
   OVERAIR CLIMATIZAÇÃO - ESTILO OFICIAL (PADRÃO MULTINACIONAL)
   ========================================================================== */

/* 1. VARIÁVEIS DO DESIGN SYSTEM */
:root {
    /* Cores de Destaque */
    --primary: #0F172A;        /* Azul Slate Escuro (Transmite confiança, sofisticação) */
    --primary-light: #1E293B;  /* Azul Slate Médio */
    --accent-cyan: #06B6D4;    /* Ciano Ar-Fresco / Refrigeração */
    --accent-cyan-glow: rgba(6, 182, 212, 0.25);
    --accent-orange: #F97316;  /* Laranja Térmico / Aquecimento */
    --accent-orange-glow: rgba(249, 115, 22, 0.25);
    
    /* Cores de Fundo */
    --bg-light: #F8FAFC;       /* Fundo Geral */
    --bg-white: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-dark: #0F172A;        /* Para seções de destaque escuro */
    --bg-dark-accent: #0A0F1D;
    
    /* Cores de Texto */
    --text-dark: #0F172A;      /* Títulos */
    --text-body: #475569;      /* Textos Gerais */
    --text-light: #94A3B8;     /* Textos Secundários */
    --text-white: #F8FAFC;
    
    /* Elementos de Interface */
    --border-color: #E2E8F0;
    --border-color-dark: #334155;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    
    /* Tipografia */
    --font-headings: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transições e Sombras */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-glow: 0 0 25px rgba(6, 182, 212, 0.35);
    
    /* Bordas */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

/* 2. RESET E REGRAS GERAIS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-body);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.25;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.bg-light {
    background-color: #F1F5F9;
}

.bg-dark {
    background-color: var(--bg-dark);
}

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

.text-white h1, 
.text-white h2, 
.text-white h3, 
.text-white h4 {
    color: var(--text-white);
}

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

.img-responsive {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.rounded {
    border-radius: var(--radius-lg);
}

/* 3. BOTÕES */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

.btn i {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background-color: var(--accent-cyan);
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.4);
}

.btn-primary:hover {
    background-color: #0891b2;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--bg-white);
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* 4. NAVBAR (HEADER) */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 12px 0;
    background-color: rgba(15, 23, 42, 0.9);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-fast);
}

.logo-wrapper:hover .logo-img {
    transform: scale(1.08);
    filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.5));
}

.logo-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--primary));
    border-radius: var(--radius-md);
    color: var(--text-white);
}

.logo-icon-fallback {
    width: 22px;
    height: 22px;
}

.logo-brand {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-headings);
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1;
    color: var(--text-white);
}

.brand-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-cyan);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-nav {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-white);
    cursor: pointer;
}

.mobile-toggle i {
    width: 28px;
    height: 28px;
}

/* 5. HERO SECTION */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--primary);
    background-image: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.15), transparent 50%),
                      radial-gradient(circle at 10% 80%, rgba(15, 23, 42, 0.4), transparent 50%);
    padding-top: 120px;
    color: var(--text-white);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(15,23,42,0.6) 0%, rgba(15,23,42,0.85) 100%);
    pointer-events: none;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 48px;
    position: relative;
    z-index: 10;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Centered Logo in Hero */
.hero-logo-centered {
    margin-bottom: 28px;
    display: flex;
    justify-content: center;
    width: 100%;
}

.hero-logo-img-large {
    width: 300px; /* Tamanho maior para visualização destacada */
    height: auto;
    filter: drop-shadow(0 10px 25px rgba(6, 182, 212, 0.3));
    transition: var(--transition-normal);
}

.hero-logo-img-large:hover {
    transform: scale(1.04);
    filter: drop-shadow(0 12px 30px rgba(6, 182, 212, 0.4));
}

.badge {
    display: inline-block;
    background-color: rgba(6, 182, 212, 0.12);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: var(--accent-cyan);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 24px;
    line-height: 1.15;
    color: var(--text-white);
}

.hero-text {
    font-size: 1.15rem;
    color: #94A3B8;
    margin-bottom: 40px;
    max-width: 720px; /* Ajustado para visualização centralizada */
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

/* Hero Smart Device Mockup Card */
.hero-card {
    position: relative;
    width: 320px;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 24px;
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    animation: float 6s ease-in-out infinite;
}

.hero-card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    background: var(--accent-cyan);
    filter: blur(80px);
    opacity: 0.15;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -1;
}

.hero-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: #38BDF8;
    font-weight: 500;
}

.pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-cyan);
    box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7);
    animation: pulse 1.8s infinite;
}

.temp {
    font-size: 1.8rem;
    font-weight: 800;
    font-family: var(--font-headings);
    color: var(--text-white);
}

.card-metric {
    margin-bottom: 16px;
}

.card-metric:last-child {
    margin-bottom: 0;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: #94A3B8;
    margin-bottom: 6px;
}

.metric-progress {
    width: 100%;
    height: 6px;
    background-color: rgba(255,255,255,0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 6px;
}

.progress-bar {
    height: 100%;
    background-color: var(--accent-cyan);
    border-radius: var(--radius-full);
}

.progress-bar.glow-cyan {
    background: linear-gradient(90deg, #38bdf8, var(--accent-cyan));
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

.metric-val {
    font-size: 0.75rem;
    font-weight: 600;
    color: #E2E8F0;
    text-align: right;
    display: block;
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-down i {
    color: rgba(255,255,255,0.6);
    width: 24px;
    height: 24px;
}

/* 6. SEÇÃO QUEM SOMOS */
.section-header {
    max-width: 700px;
    margin: 0 auto 60px;
}

.sub-title {
    display: inline-block;
    color: var(--accent-cyan);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 80px;
}

.about-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.about-info p {
    color: var(--text-body);
    margin-bottom: 30px;
}

.stats-row {
    display: flex;
    gap: 32px;
}

.stat-box {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-headings);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-cyan);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
}

.about-visual {
    position: relative;
}

.image-stack {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.image-wrapper-decor {
    position: relative;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.image-wrapper-decor::after {
    content: '';
    position: absolute;
    top: 20px;
    right: -20px;
    bottom: -20px;
    left: 20px;
    border: 3px solid var(--border-color);
    border-radius: var(--radius-lg);
    z-index: -1;
}

/* Pilares de Confiança */
.pillars-title {
    margin: 80px 0 40px;
}

.pillars-title h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.pillars-title p {
    color: var(--text-light);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pillar-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.pillar-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(6, 182, 212, 0.2);
}

.pillar-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: rgba(6, 182, 212, 0.08);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.pillar-icon i {
    width: 24px;
    height: 24px;
}

.pillar-card h4 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.pillar-card p {
    font-size: 0.9rem;
    color: var(--text-body);
    line-height: 1.5;
}

/* 7. SEÇÃO SERVIÇOS */
.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.service-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

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

.service-num {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: rgba(15, 23, 42, 0.85);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    color: var(--accent-cyan);
    font-family: var(--font-headings);
    font-weight: 800;
    font-size: 0.95rem;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.service-info {
    padding: 32px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-scope {
    display: inline-block;
    color: var(--accent-cyan);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.service-info h4 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.service-info p {
    color: var(--text-body);
    font-size: 0.95rem;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary);
    align-self: flex-start;
}

.service-link i {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

.service-card:hover .service-link {
    color: var(--accent-cyan);
}

.service-card:hover .service-link i {
    transform: translateX(4px);
}

/* 8. CALCULADORA DE BTUS */
.calculator-sec {
    background-image: radial-gradient(circle at 10% 20%, rgba(249, 115, 22, 0.05), transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.05), transparent 40%);
}

.calculator-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 64px;
    align-items: center;
}

.calculator-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.calculator-info p {
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.calc-tips {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.calc-tip-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--text-dark);
}

.calc-tip-item i {
    color: var(--accent-cyan);
    width: 20px;
    height: 20px;
}

.calculator-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.calc-card-title {
    font-size: 1.6rem;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.calc-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
}

.range-slider {
    flex-grow: 1;
    height: 6px;
    background-color: #E2E8F0;
    border-radius: var(--radius-full);
    outline: none;
    -webkit-appearance: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--accent-cyan);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.form-control {
    background-color: #F1F5F9;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--text-dark);
    transition: var(--transition-normal);
}

.form-control:focus {
    background-color: var(--bg-white);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.number-control {
    width: 80px;
    text-align: center;
    padding: 10px;
}

/* Input Contador */
.counter-input {
    display: flex;
    align-items: center;
}

.counter-btn {
    width: 44px;
    height: 44px;
    background-color: #E2E8F0;
    border: none;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.counter-btn.minus {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.counter-btn.plus {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.counter-btn:hover {
    background-color: #CBD5E1;
}

.count-control {
    width: 60px;
    text-align: center;
    border-radius: 0;
    padding: 10px;
    height: 44px;
}

/* Radio Group Cards */
.radio-group-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.radio-card {
    cursor: pointer;
    position: relative;
}

.radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px;
    background-color: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    text-align: center;
}

.radio-card-content i {
    width: 24px;
    height: 24px;
    color: var(--text-light);
    margin-bottom: 8px;
    transition: var(--transition-fast);
}

.radio-card-content .lbl {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.radio-card-content .desc {
    font-size: 0.75rem;
    color: var(--text-light);
}

.radio-card input[type="radio"]:checked + .radio-card-content {
    background-color: rgba(6, 182, 212, 0.05);
    border-color: var(--accent-cyan);
}

.radio-card input[type="radio"]:checked + .radio-card-content i {
    color: var(--accent-cyan);
}

.radio-card:hover .radio-card-content {
    border-color: var(--accent-cyan);
}

/* Caixa de Resultados */
.calc-result {
    margin-top: 36px;
    background-color: var(--primary);
    background-image: radial-gradient(circle at 100% 0%, rgba(6, 182, 212, 0.1), transparent 50%);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    color: var(--text-white);
    border: 1px solid rgba(255,255,255,0.06);
    position: relative;
    overflow: hidden;
}

.result-label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #94A3B8;
}

.result-value {
    font-family: var(--font-headings);
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-cyan);
    line-height: 1.1;
    margin: 12px 0;
}

.result-value .unit {
    font-size: 1.4rem;
    font-weight: 500;
}

.result-note {
    font-size: 0.85rem;
    color: #94A3B8;
    margin-bottom: 24px;
}

/* 9. POR QUE ESCOLHER A OVERAIR */
.differentials {
    position: relative;
    background-color: var(--primary);
    background-image: radial-gradient(circle at 50% 50%, rgba(30, 41, 59, 0.5), transparent 80%);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.diff-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.diff-icon-wrapper {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent-cyan);
    transition: var(--transition-normal);
}

.diff-card:hover .diff-icon-wrapper {
    background-color: var(--accent-cyan);
    color: var(--primary);
    transform: scale(1.08);
    box-shadow: var(--shadow-glow);
    border-color: transparent;
}

.diff-icon {
    width: 32px;
    height: 32px;
}

.diff-card h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.diff-card p {
    font-size: 0.9rem;
    color: #94A3B8;
    line-height: 1.5;
}

/* 10. CONTATO E FORMULÁRIO */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
}

.contact-info-column {
    display: flex;
    flex-direction: column;
}

.contact-details {
    background-color: var(--primary);
    background-image: radial-gradient(circle at 0% 100%, rgba(6, 182, 212, 0.12), transparent 50%);
    border-radius: var(--radius-lg);
    padding: 48px;
    color: var(--text-white);
    height: 100%;
    border: 1px solid rgba(255,255,255,0.06);
}

.contact-details h3 {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: var(--text-white);
}

.subtitle-contact {
    color: #94A3B8;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 32px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-icon {
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    width: 20px;
    height: 20px;
}

.info-text span {
    display: block;
    font-size: 0.8rem;
    color: #94A3B8;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 4px;
}

.info-text p {
    font-size: 1.1rem;
    font-weight: 500;
}

.contact-link:hover {
    color: var(--accent-cyan);
}

.contact-card-form {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

.contact-card-form h3 {
    font-size: 1.6rem;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.form-element {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.select-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 18px;
    padding-right: 48px;
}

.textarea-control {
    resize: none;
}

/* 11. FOOTER */
.footer {
    background-color: var(--bg-dark-accent);
    color: #94A3B8;
    padding-top: 80px;
    border-top: 1px solid #1E293B;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 64px;
    margin-bottom: 60px;
}

.footer-brand-column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer .logo-brand .brand-title {
    color: var(--text-white);
}

.footer-about-text {
    margin: 24px 0 28px;
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #1E293B;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    border: 1px solid rgba(255,255,255,0.04);
}

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

.social-links a i {
    width: 18px;
    height: 18px;
}

.footer-links-column h4 {
    color: var(--text-white);
    font-size: 1.1rem;
    margin-bottom: 24px;
    position: relative;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.95rem;
}

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

.footer-bottom {
    border-top: 1px solid #1E293B;
    padding: 30px 0;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

/* 12. WHATSAPP FLUTUANTE */
.whatsapp-floating {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 99;
    cursor: pointer;
    transition: var(--transition-normal);
}

.whatsapp-floating:hover {
    background-color: #128C7E;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.5);
}

.whatsapp-floating-icon {
    width: 32px;
    height: 32px;
}

/* 13. ANIMAÇÕES */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(6, 182, 212, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(6, 182, 212, 0);
    }
}

.bounce {
    animation: bounce 2s infinite;
}

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

/* Classes de Reveal no Scroll */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-150 { transition-delay: 0.15s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }

/* 14. RESPONSIVIDADE (MEDIA QUERIES) */

body.menu-open {
    overflow: hidden !important;
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .about-grid,
    .calculator-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-visual {
        order: -1;
    }
    
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .differentials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
    
    .scroll-reveal {
        transform: translateY(20px); /* Menor deslocamento no mobile melhora desempenho */
    }
    
    .navbar {
        background-color: var(--primary);
        padding: 0 !important;
        height: 70px;
        display: flex;
        align-items: center;
    }
    
    .navbar-container {
        height: 100%;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .logo-img {
        height: 44px; /* Tamanho proporcional para celular */
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--primary);
        border-top: 1px solid rgba(255,255,255,0.08);
        transition: var(--transition-normal);
        padding: 30px 24px;
        align-items: flex-start;
        overflow-y: auto; /* Permite rolar o menu se os itens forem muitos */
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 20px;
    }
    
    .nav-link {
        font-size: 1.15rem;
        display: block;
        padding: 10px 0;
    }
    
    .btn-nav {
        display: none; /* Oculta botão de orçamento rápido no menu principal para poupar espaço */
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .hero-logo-img-large {
        width: 240px; /* Logo do Hero mais adequado para tablets */
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-text {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        justify-content: center;
        gap: 12px;
    }
    
    .hero-card {
        width: 100%;
        max-width: 320px; /* Garante que o card encolha em telas pequenas */
        margin: 0 auto;
    }
    
    .image-stack {
        flex-direction: row;
        gap: 16px;
        justify-content: center;
    }
    
    .image-stack .image-wrapper-decor {
        width: calc(50% - 8px);
    }
    
    .image-wrapper-decor::after {
        display: none; /* Desativa a borda flutuante para evitar quebras de layout lateral */
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .service-image {
        height: 200px;
    }
    
    .service-info {
        padding: 24px;
    }
    
    .calculator-card {
        padding: 24px 20px;
    }
    
    .radio-group-cards {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .radio-card-content {
        padding: 12px;
        flex-direction: row;
        gap: 12px;
        text-align: left;
        align-items: center;
    }
    
    .radio-card-content i {
        margin-bottom: 0;
    }
    
    .calc-result {
        padding: 24px 16px;
        margin-top: 24px;
    }
    
    .contact-details {
        padding: 32px 24px;
    }
    
    .contact-card-form {
        padding: 32px 24px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .section-padding {
        padding: 50px 0;
    }
    
    .hero-logo-img-large {
        width: 180px; /* Logo compacto para smartphones pequenos */
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-buttons .btn {
        width: 100%; /* Botões do hero em largura cheia para facilitar clique no celular */
    }
    
    .stats-row {
        flex-direction: column;
        gap: 16px;
    }
    
    .image-stack {
        flex-direction: column; /* Volta para vertical em telas muito estreitas */
        gap: 16px;
    }
    
    .image-stack .image-wrapper-decor {
        width: 100%;
    }
    
    .pillars-grid,
    .differentials-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .calculator-card {
        padding: 20px 16px;
    }
    
    .result-value {
        font-size: 2.2rem;
    }
    
    .contact-details {
        padding: 24px 16px;
    }
    
    .contact-card-form {
        padding: 24px 16px;
    }
}