/* ======= CSS Variables & Base Styles ======= */
:root {
    --color-bg: #FFFFFF;
    --color-bg-light: #F9F9F9;
    --color-text: #1A1A1A;
    --color-text-muted: #666666;
    --color-footer-bg: #000000;
    --color-footer-text: #E0E0E0;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --spacing-sm: 1rem;
    --spacing-md: 2.5rem;
    --spacing-lg: 5rem;
    --spacing-xl: 8rem;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-text);
}

p {
    margin-bottom: 1.5rem;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-sm {
    max-width: 800px;
}

section {
    content-visibility: auto;
    contain-intrinsic-size: 1px 1000px;
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

.text-center { text-align: center; }
.mb-large { margin-bottom: var(--spacing-lg); }
.mt-4 { margin-top: 2rem; }
.bg-light { background-color: var(--color-bg-light); }

/* Typography */
.section-title {
    font-size: 2.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.section-text {
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

.lead-text {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--color-text);
    font-weight: 300;
}

/* ======= Buttons ======= */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-text);
    color: var(--color-bg);
}

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-2px);
}

.dark-btn {
    background-color: #000;
}

/* ======= Header ======= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    padding: 1rem 0;
}

.navbar.scrolled .logo,
.navbar.scrolled .nav-link {
    color: var(--color-text);
}

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

.logo {
    display: inline-block;
    transition: var(--transition-smooth);
}

.logo img {
    height: 110px; 
    width: auto;
    object-fit: contain;
    transition: filter 0.3s ease;
}

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

.nav-link {
    color: white; /* Default white on hero */
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -4px;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s ease;
}

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

.nav-btn {
    border: 1px solid currentColor;
    padding: 0.5rem 1rem;
}

.nav-btn::after { display: none; }
.nav-btn:hover {
    background-color: currentColor;
    color: var(--color-bg);
}

/* ======= Hero Section ======= */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

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

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 8s linear;
    transform: scale(1.05);
    will-change: transform, opacity; /* Hardware acceleration */
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
}

.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 2rem;
    animation: fadeInUp 1s ease forwards;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
}

.hero-content p {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 300;
    margin-bottom: 2.5rem;
}

/* ======= Marcas (Marquee) ======= */
.marcas-marquee {
    background-color: var(--color-bg-light);
    padding: 2rem 0;
    border-bottom: 1px solid #eaeaea;
    overflow: hidden;
}

.marquee-text-container {
    text-align: center;
    margin-bottom: 1.5rem;
}

.marquee-text {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
}

.marquee-text .divider {
    color: #ccc;
    margin: 0 0.5rem;
}

.marquee-logos {
    width: 100%;
    overflow: hidden;
    position: relative;
    display: flex;
}

.marquee-track {
    display: flex;
    gap: 4rem;
    align-items: center;
    animation: marquee 35s linear infinite;
    padding: 1rem 0;
    will-change: transform; /* Prevent stuttering */
}

.t-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 140px;
    padding: 0 1rem;
}

.t-logo img {
    max-height: 100px;
    max-width: 280px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.t-logo:hover img {
    transform: scale(1.08); /* Apenas um pequeno destaque interativo no lugar do filtro de cor */
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); } /* Navigates half since elements are duplicated */
}

/* ======= Coleções ======= */
.colecoes {
    background-color: var(--color-bg);
}

/* ======= Institucional (Sobre) ======= */
.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.sobre-image img {
    border-radius: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* ======= Serviços ======= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.service-card {
    padding: 3rem 2rem;
    background: var(--color-bg);
    border: 1px solid #eaeaea;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.service-card:hover {
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
    transform: translateY(-5px);
    border-color: transparent;
}

.service-icon {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 300;
    color: #ccc;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-text-muted);
    margin: 0;
}

/* ======= Galeria ======= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto;
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    margin: 0;
    border-radius: 4px;
    background: #000;
}

.gallery-item .img-wrapper {
    overflow: hidden;
    height: 100%;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
    opacity: 0.9;
}

.gallery-item:hover img {
    transform: scale(1.05);
    opacity: 0.6;
}

.gallery-item figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    color: white;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.gallery-item:hover figcaption {
    opacity: 1;
    transform: translateY(0);
}

.item-large {
    grid-column: span 2;
    grid-row: span 2;
    min-height: 500px;
}

.item-wide {
    grid-column: span 2;
    min-height: 300px;
}

/* ======= Sessão de Parceria ======= */
.parceria-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.parceria-text {
    text-align: left;
}

.parceria-image img {
    border-radius: 4px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    width: 100%;
}

/* ======= CTA Box ======= */
.cta-box {
    background-color: var(--color-bg-light);
    padding: 4rem;
    border-radius: 4px;
    border: 1px solid #eaeaea;
}

.cta-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ======= Footer ======= */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding: 5rem 0 2rem;
}

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

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-desc {
    color: #999;
}

.footer h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer p {
    color: #999;
    margin-bottom: 0.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #999;
    transition: color 0.3s;
}

.social-link:hover {
    color: white;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #666;
    font-size: 0.875rem;
}

/* ======= Micro Animations (Reveal) ======= */
.reveal, .reveal-delay {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform, opacity;
}

.reveal-delay {
    transition-delay: 0.2s; /* Text comes first, image comes after */
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ======= WhatsApp Flutuante ======= */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    z-index: 1000;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    background-color: #25D366; /* Official WhatsApp Green */
    color: white;
}

.whatsapp-btn svg {
    width: 35px;
    height: 35px;
    fill: currentColor;
}

.whatsapp-btn:hover {
    transform: scale(1.15) rotate(-5deg);
}

/* ======= Responsiveness ======= */
@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .item-large, .item-wide {
        grid-column: span 1;
        grid-row: span 1;
        min-height: 350px;
    }
    .sobre-grid, .parceria-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .hero-content h1 {
        font-size: 3rem;
    }
    nav {
        display: none; /* simple hidden nav for mobile in this barebones version */
    }
    .navbar {
        justify-content: center;
    }
    .nav-container {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 4rem 0;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .marquee-track {
        gap: 2rem;
    }
    
    .t-logo img {
        max-width: 150px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .item-large, .item-wide {
        min-height: 250px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-box {
        padding: 2rem 1.5rem;
    }
    
    .cta-text {
        font-size: 1.1rem;
    }
    
    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-btn svg {
        width: 30px;
        height: 30px;
    }
}