/* =========================================
   VARIÁVEIS GERAIS (Identidade Visual)
   ========================================= */
:root {
    /* Cores Principais */
    --bg-white: #FAFCFF; /* 60% */
    --arctic-blue: #0B2E5F; /* 30% */
    --arctic-blue-dark: #071B3A; 
    --electric-cyan: #00C2E8; /* 10% */
    
    /* Variações e Textos */
    --text-main: #1E293B;
    --text-light: #64748B;
    --white: #FFFFFF;
    --gray-bg: #F1F5F9;
    --border-color: #E2E8F0;

    /* Tipografia */
    --font-heading: 'Barlow Condensed', sans-serif;
    --font-body: 'Barlow', sans-serif;

    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   RESET E BASE
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: 0.5px;
}

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

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 5rem 0;
}

/* Tipografia Comum */
.text-center { text-align: center; }
.section-title { font-size: 2.8rem; color: var(--arctic-blue); margin-bottom: 1rem; }
.section-subtitle { font-size: 1.1rem; color: var(--text-light); max-width: 600px; margin: 0 auto 3rem; }
.light-text .section-title { color: var(--white); }
.light-text .section-subtitle { color: rgba(255, 255, 255, 0.8); }

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-cyan {
    background-color: var(--electric-cyan);
    color: var(--arctic-blue-dark);
}
.btn-cyan:hover {
    background-color: #00a8ca;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 194, 232, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}
.btn-outline:hover {
    background-color: var(--white);
    color: var(--arctic-blue);
}

.btn-dark-blue {
    background-color: var(--arctic-blue-dark);
    color: var(--white);
}
.btn-dark-blue:hover {
    background-color: var(--white);
    color: var(--arctic-blue-dark);
}

.btn-full { width: 100%; }

/* =========================================
   1. NAVBAR
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--arctic-blue);
    color: var(--white);
    padding: 1rem 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(7, 27, 58, 0.5);
    background-color: rgba(11, 46, 95, 0.95);
    backdrop-filter: blur(10px);
}

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

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

.nav-logo {
    height: 50px;
    object-fit: contain;
    border-radius: 4px;
}

.nav-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

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

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--electric-cyan);
    transition: var(--transition);
}

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

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

/* =========================================
   2. HERO SECTION
   ========================================= */
.hero {
    position: relative;
    padding: 10rem 0 6rem;
    background: linear-gradient(135deg, var(--arctic-blue-dark) 0%, var(--arctic-blue) 100%);
    color: var(--white);
    overflow: hidden;
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    background-color: var(--electric-cyan);
    opacity: 0.05;
}

.shape-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    filter: blur(80px);
}

.shape-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    filter: blur(60px);
}

.hero-container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hero-content {
    max-width: 800px;
    flex: 1;
}

/* =========================================
    AC UNIT 3D NO HERO
    ========================================= */
.hero-ac-unit {
    position: relative;
    flex: 0 0 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: acFloat 4s ease-in-out infinite;
}

.ac-unit-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 194, 232, 0.3));
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

@keyframes acFloat {
    0%, 100% {
        transform: translateY(0) scale(1) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) scale(1.02) rotate(0.5deg);
    }
    50% {
        transform: translateY(-15px) scale(1.03) rotate(0deg);
    }
    75% {
        transform: translateY(-5px) scale(1.01) rotate(-0.5deg);
    }
}

/* Efeito de fluxo de ar frio */
.cold-air-flow {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 120px;
    background: linear-gradient(to bottom, 
        rgba(0, 194, 232, 0.2) 0%, 
        rgba(0, 194, 232, 0.08) 50%, 
        transparent 100%);
    border-radius: 50%;
    filter: blur(25px);
    animation: coldAirFlow 3s ease-in-out infinite;
    z-index: 1;
}

@keyframes coldAirFlow {
    0%, 100% {
        opacity: 0.6;
        transform: translateX(-50%) scaleY(1) scaleX(1);
    }
    50% {
        opacity: 0.9;
        transform: translateX(-50%) scaleY(1.3) scaleX(1.1);
    }
}

/* Partículas de ar frio */
.cold-air-particles {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 80%;
    height: 150px;
    transform: translateX(-50%);
    z-index: 1;
    pointer-events: none;
}

.cold-air-particles span {
    position: absolute;
    width: 6px;
    height: 6px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.8), rgba(0, 194, 232, 0.6));
    border-radius: 50%;
    animation: particleFloat 3s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(0, 194, 232, 0.5);
}

.cold-air-particles span:nth-child(1) {
    left: 15%;
    animation-delay: 0s;
    width: 8px;
    height: 8px;
}

.cold-air-particles span:nth-child(2) {
    left: 35%;
    animation-delay: 0.6s;
}

.cold-air-particles span:nth-child(3) {
    left: 55%;
    animation-delay: 1.2s;
    width: 8px;
    height: 8px;
}

.cold-air-particles span:nth-child(4) {
    left: 75%;
    animation-delay: 1.8s;
}

.cold-air-particles span:nth-child(5) {
    left: 50%;
    animation-delay: 2.4s;
    width: 10px;
    height: 10px;
}

@keyframes particleFloat {
    0% {
        bottom: 0;
        opacity: 0;
        transform: translateY(0) scale(0.3) translateX(0);
    }
    30% {
        opacity: 0.9;
        transform: translateY(-30px) scale(1) translateX(10px);
    }
    60% {
        opacity: 0.7;
        transform: translateY(-60px) scale(0.8) translateX(-10px);
    }
    100% {
        bottom: 100%;
        opacity: 0;
        transform: translateY(-100px) scale(0.2) translateX(5px);
    }
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 650px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--electric-cyan);
    line-height: 1;
}

.stat-text {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

/* =========================================
   3. FAIXA DE SERVIÇOS
   ========================================= */
.services-strip {
    background-color: var(--electric-cyan);
    padding: 1.5rem 0;
    color: var(--arctic-blue-dark);
}

.strip-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.strip-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
}

/* =========================================
   4. NOSSOS SERVIÇOS (Grid)
    ========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(11, 46, 95, 0.05);
    border-top: 4px solid var(--electric-cyan);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 194, 232, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(11, 46, 95, 0.15);
}

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

.card-image {
    margin: -2rem -2rem 1.5rem -2rem;
    overflow: hidden;
    border-radius: 8px 8px 0 0;
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .card-img {
    transform: scale(1.05);
}

.card-icon {
    color: var(--arctic-blue);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.service-card:hover .card-icon {
    transform: scale(1.1);
    color: var(--electric-cyan);
}

.card-title {
    font-size: 1.5rem;
    color: var(--arctic-blue);
    margin-bottom: 1rem;
}

.card-desc {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.card-link {
    color: var(--electric-cyan);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.card-link:hover {
    color: var(--arctic-blue);
    gap: 1rem;
}

/* =========================================
    5. COMO FUNCIONA
    ========================================= */
.how-it-works {
    background-color: var(--arctic-blue-dark);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(0, 194, 232, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.methodology-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    margin-top: 4rem;
}

.step-line {
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--electric-cyan), transparent);
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 1rem;
    transition: transform 0.3s ease;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--arctic-blue);
    border: 3px solid var(--electric-cyan);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 20px rgba(0, 194, 232, 0.3);
    transition: all 0.3s ease;
}

.step:hover .step-number {
    background-color: var(--electric-cyan);
    color: var(--arctic-blue-dark);
    box-shadow: 0 0 30px rgba(0, 194, 232, 0.6);
}

.step-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--electric-cyan);
}

.step-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =========================================
   6. FAIXA DE MARCAS
   ========================================= */
.brands-section {
    background-color: var(--gray-bg);
    padding: 3rem 0;
}

.brands-title {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.brands-track {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--arctic-blue);
    opacity: 0.6;
}

/* =========================================
    7. DEPOIMENTOS
    ========================================= */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 8rem;
    color: var(--electric-cyan);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 194, 232, 0.1);
}

.testimonial-image {
    margin: -2rem -2rem 1.5rem -2rem;
    overflow: hidden;
    border-radius: 8px 8px 0 0;
}

.testimonial-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.testimonial-card:hover .testimonial-img {
    transform: scale(1.05);
}

.stars {
    color: var(--electric-cyan);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-main);
    margin-bottom: 2rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--arctic-blue), var(--electric-cyan));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

.author-info strong {
    display: block;
    color: var(--arctic-blue);
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* =========================================
   8. CTA FINAL
   ========================================= */
.final-cta {
    background: linear-gradient(135deg, var(--electric-cyan) 0%, #0099cc 100%);
    padding: 5rem 0;
    color: var(--arctic-blue-dark);
}

.final-cta h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.final-cta p {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.info-items {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--arctic-blue);
}

.info-item svg {
    color: var(--electric-cyan);
}

.contact-form-container {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(11, 46, 95, 0.08);
    border-top: 5px solid var(--electric-cyan);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--electric-cyan);
    box-shadow: 0 0 0 3px rgba(0, 194, 232, 0.1);
}

/* =========================================
   9. FOOTER
   ========================================= */
.footer {
    background-color: var(--arctic-blue-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 5rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 60px;
    object-fit: contain;
    margin-bottom: 1.5rem;
    background-color: var(--white); /* Para garantir contraste dependendo da imagem */
    padding: 0.5rem;
    border-radius: 4px;
}

.brand-col p {
    margin-bottom: 1.5rem;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--white);
}

.social-links a:hover {
    background-color: var(--electric-cyan);
    color: var(--arctic-blue-dark);
}

.footer h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer ul a:hover {
    color: var(--electric-cyan);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* =========================================
   ELEMENTOS FLUTUANTES E ANIMAÇÕES
   ========================================= */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366; /* Cor oficial do whatsapp, ou cyan se preferir */
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 999;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: var(--white);
}

.tooltip {
    position: absolute;
    right: 75px;
    background-color: var(--text-main);
    color: var(--white);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    white-space: nowrap;
}

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

/* Animações de Scroll (Classes base) */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   RESPONSIVIDADE (Mobile First adaptado)
   ========================================= */
@media (max-width: 992px) {
    .hero-title { font-size: 3.5rem; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }
    .steps-container { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
    .step-line { display: none; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--arctic-blue-dark);
        flex-direction: column;
        justify-content: center;
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .nav-menu.active {
        left: 0;
    }

    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .menu-toggle {
        display: block;
    }

    .hero { padding: 8rem 0 4rem; }
    .hero-title { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; }
    
    .hero-container { 
        flex-direction: column; 
        text-align: center;
    }
    
    .hero-ac-unit { 
        flex: 0 0 250px; 
        height: 250px; 
        width: 100%;
        margin-top: 2rem;
    }
    
    .ac-unit-img { 
        max-width: 280px; 
    }
    
    .cold-air-flow { 
        width: 200px; 
        height: 100px; 
    }
    
    .cold-air-particles { 
        width: 180px; 
    }
    
    .strip-container { 
        justify-content: center; 
        gap: 1.5rem; 
    }
    
    .steps-container { 
        grid-template-columns: 1fr; 
    }
    
    .footer-grid { 
        grid-template-columns: 1fr; 
        text-align: center; 
    }
    
    .social-links { 
        justify-content: center; 
    }
    
    .card-image, .testimonial-image {
        margin: -1.5rem -1.5rem 1rem -1.5rem;
    }
    
    .card-img, .testimonial-img {
        height: 180px;
    }
}