/* ==========================================
   VARIÁVEIS DE CORES
   ========================================== */
:root {
    /* Cores Principais */
    --primary: #000000;
    --secondary: #f4f4f4;
    --white: #ffffff;
    --accent: #25d366;
    
    /* Cores de Texto */
    --text-dark: #1a1a1a;
    --text-light: #303030;
    --text-muted: #999;
    
    /* Cores de Fundo */
    --bg-hero: #fcfcfc;
    --bg-gallery: #f4f4f4;
    --bg-footer: #000000;
    
    /* Cores de Borda */
    --border-dark: #333;
    --border-light: #eaeaea;
    --border-hover: #ccc;
    --border-footer: #222;
    
    /* Cores de Shadow */
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --shadow-dark: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.2);
    
    /* Cores de Overlay */
    --overlay-dark: rgba(0, 0, 0, 0.7);
    
    /* Cores de Placeholder */
    --placeholder-bg: #eee;
    --faq-active-bg: #fafafa;
    
    /* Container Responsivo */
    --container-max: 1200px;
    --container-padding: clamp(24px, 7vw, 96px);
}

/* ==========================================
   RESET E CONFIGURAÇÕES GLOBAIS
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

html {
    /* garante herança global */
    font-family: 'Poppins', sans-serif;
}

/* controles de formulário não herdam por padrão em alguns navegadores */
button,
input,
select,
textarea {
    font-family: 'Poppins', sans-serif;
}

/* ==========================================
   HEADER
   ========================================== */
header {
    padding: 20px var(--container-padding);
    display: flex;
    justify-content: flex-start;
    align-items: center;
    background-color: var(--primary);
    border-bottom: 1px solid var(--border-dark);
}

header a {
    text-decoration: none;
}

header h2 {
    color: var(--white);
    font-size: 2.3rem;
}

.logo {
    font-weight: 700;
    text-decoration: none;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    padding: 80px var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background-color: var(--bg-hero);
}

.hero-content h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content p {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 1.0rem;
}

.btn-cta {
    /* cor verde do whatsapp */
    background-color: var(--primary);
    color: var(--white);
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    display: inline-block;
    transition: transform 0.3s ease;
}

.btn-cta:hover {
    transform: translateY(-3px);
}

.btn-cta i {
    margin-left: 10px;
    font-size: 1.3rem;
}

/* ==========================================
   EFEITO POLAROID
   ========================================== */
.hero-image-polaroid {
    background: var(--white);
    padding: 14px 14px 60px 14px; /* margem inferior maior para “legenda” da polaroid */
    border: 1px solid var(--border-light);
    border-radius: 2px;
    box-shadow: 0 10px 30px var(--shadow-dark);
    width: clamp(360px, 95%, 580px);
    aspect-ratio: 4 / 3;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease; /* remover transição de transform */
}

.hero-image-polaroid:hover {
    box-shadow: 0 16px 40px var(--shadow-medium);
    transform: none; /* manter layout fixo */
}

.hero-image-container {
    width: 100%;
    height: auto;        /* antes: 360px */
    flex: 1 1 auto;      /* ocupa o espaço disponível dentro da moldura */
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;           /* exibe a imagem completa */
    object-position: center center;/* centraliza a imagem */
    filter: sepia(10%) contrast(110%);
}

/* ==========================================
   COMPARISON SLIDER
   ========================================== */
.comparison-container {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px var(--shadow-medium);
    background-color: var(--placeholder-bg);
}

.img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: left center;
    background-repeat: no-repeat;
    pointer-events: none;
}

.img-before {
    z-index: 2;
    width: 50%;
    border-right: 3px solid var(--white);
    background-position: left center;
}

.slider-handle {
    position: absolute;
    z-index: 3;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: var(--white);
    cursor: ew-resize;
    transform: translateX(-50%);
}

.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px var(--shadow-heavy);
    font-size: 12px;
    color: var(--primary);
}

/* ==========================================
   GALLERY
   ========================================== */
.gallery {
    padding: 80px var(--container-padding);
    background-color: var(--bg-gallery);
    content-visibility: auto;
    contain-intrinsic-size: 1000px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.2rem;
    font-weight: 700;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.gallery-item {
    background: var(--white);
    padding: 15px 15px 50px 15px;
    border-radius: 2px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-dark);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item .comparison-container {
    width: 100%;
    height: 0;
    padding-bottom: 100%;
    position: relative;
    margin-bottom: 15px;
    border-radius: 0;
}

.gallery-item .comparison-container .img,
.gallery-item .comparison-container .img-before,
.gallery-item .comparison-container .slider-handle,
.gallery-item .comparison-container .slider-button {
    position: absolute;
}

.gallery-item p {
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 15px;
}

/* ==========================================
   FAQ SECTION
   ========================================== */
.faq {
    padding: 100px var(--container-padding);
    max-width: 1600px;
    margin: 0 auto;
    content-visibility: auto;
    contain-intrinsic-size: 800px;
}

.faq-container {
    margin-top: 40px;
}

.faq-item {
    margin-bottom: 12px;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--border-hover);
    box-shadow: 0 5px 15px var(--shadow-light);
}

.faq-item.active {
    border-color: var(--primary);
    background-color: var(--faq-active-bg);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 30px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    user-select: none;
    gap: 12px;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-light);
    padding: 0 30px;
    font-size: 1rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding-bottom: 25px;
}

.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    /* remove transform here to avoid blurry container rotation */
}

/* Hard-disable legacy plus built by pseudo-elements */
.faq .faq-icon {
    position: static; /* avoid absolute stacking from old rules */
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.faq .faq-icon::before,
.faq .faq-icon::after {
    display: none !important;
    content: "" !important;
    width: 0 !important;
    height: 0 !important;
    transform: none !important;
    background: transparent !important;
    border: 0 !important;
}

/* rotate only the chevron */
.faq-item.active .faq-icon i {
    transform: rotate(180deg) translateZ(0);
}

.faq-icon i {
    font-size: 18px;
    color: var(--primary);
    line-height: 1;
    display: block;
    will-change: transform;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: transform 0.2s ease;
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
    background-color: var(--bg-footer);
    padding: 60px var(--container-padding) 40px;
    border-top: 1px solid var(--border-dark);
    margin-top: auto;
    color: var(--white);
    content-visibility: auto;
    contain-intrinsic-size: 600px;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    text-align: center;
}

.footer-logo {
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Título das redes sociais */
.social-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--white);
    margin-top: 4px;
    opacity: 0.95;
}

.social-links {
    display: flex;
    gap: 25px;
}

.social-links a {
    color: var(--white);
    font-size: 1.6rem;
    transition: opacity 0.3s, transform 0.3s;
}

.social-links a:hover {
    opacity: 0.7;
    transform: translateY(-3px);
}

.footer-info {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 10px;
    max-width: 400px;
    line-height: 1.6;
}

.footer-bottom-text {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-footer);
    width: 100%;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-privacy-policy {
    margin-top: 8px;
    padding-top: 0;
    border-top: none;
    display: flex;
    justify-content: center;
}

.footer-privacy-policy .privacy-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.75);
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    text-decoration: none;
    font-size: 0.85rem;
    opacity: 0.85;
    transition: opacity 0.2s ease;
}

.footer-privacy-policy .privacy-link:hover {
    opacity: 1;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer-privacy-policy .privacy-link:focus-visible {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

.footer-privacy-policy .privacy-link i {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
    background-color: var(--primary);
    color: var(--white);
    border-radius: 12px;
    padding: clamp(24px, 5vw, 48px);
    margin: 60px var(--container-padding);
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-dark);
}

.cta-section h2 {
    /* mantém texto branco herdado */
    margin-bottom: 10px;
    font-size: 1.8rem;
    line-height: 1.2;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.6;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 768px) {
    header {
        justify-content: center;
    }
    
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 40px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-image-polaroid {
        margin-top: 30px;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 28px;
        bottom: 20px;
        right: 20px;
    }

    .faq {
        padding: 40px var(--container-padding);
    }

    .cta-section {
        margin: 40px var(--container-padding);
    }

    /* Mobile: larger slider knob and handle */
    .comparison-container .slider-button {
        width: 52px;
        height: 52px;
        font-size: 20px; /* bigger ↔ icon */
        box-shadow: 0 0 12px var(--shadow-heavy);
    }

    .comparison-container .slider-handle {
        width: 6px; /* easier to see/touch */
    }
}

/* Optional: apply to touch devices regardless of width */
@media (hover: none) and (pointer: coarse) {
    .comparison-container .slider-button {
        width: 52px;
        height: 52px;
        font-size: 20px;
    }
    .comparison-container .slider-handle {
        width: 6px;
    }
}

/* Desktop grande */
@media (min-width: 1200px) {
    :root {
        --container-padding: clamp(120px, 10vw, 240px); /* margem bem maior */
    }
}

/* Extra grande */
@media (min-width: 1600px) {
    :root {
        --container-padding: clamp(160px, 12vw, 360px); /* ainda mais espaço lateral */
    }
}

/* Classe utilitária (use no wrapper se preferir) */
.container, .site-padding {
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ==========================================
   BOTÃO FLUTUANTE WHATSAPP
   ========================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float i {
    animation: pulse 2s infinite;
}

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