/* ==========================================================================
   VARIABLES & SETUP
   ========================================================================== */
:root {
    /* Color Palette */
    --clr-primary-bg: #FDFBF7;       /* Creme/Off-white */
    --clr-primary-bg-alt: #F4EFE6;   /* Slightly darker creme for alternating sections */
    --clr-text: #333333;             /* Cinza Chumbo/Charcoal */
    --clr-text-light: #5A5A5A;
    --clr-accent: #B8860B;           /* Dourado/Mostarda escuro (Dark Goldenrod) */
    --clr-accent-hover: #997009;
    --clr-highlight: #3F1B42;        /* Roxo Profundo/Plum/Berinjela fechado */
    --clr-highlight-light: #552857;
    --clr-white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-text: 'Inter', sans-serif;
    
    /* Spacings */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-text);
    color: var(--clr-text);
    background-color: var(--clr-primary-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 80px; /* Space for fixed navbar */
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-text);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h2 {
    font-family: var(--font-text);
    font-weight: 300;
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--clr-text-light);
    line-height: 1.5;
    max-width: 800px;
    margin: 0 auto var(--spacing-md) auto;
}

h3 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

.text-light {
    color: var(--clr-primary-bg);
}

.section-title {
    margin-bottom: var(--spacing-lg);
}

.lead-text {
    font-size: clamp(1.1rem, 1.5vw, 1.25rem);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--clr-text-light);
    line-height: 1.7;
}

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

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

.w-100 {
    width: 100%;
}

/* Accessibility / SEO Hiding */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--clr-accent);
    color: var(--clr-white);
    font-weight: 500;
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color var(--transition-fast), transform var(--transition-normal), box-shadow var(--transition-normal);
    border: none;
    cursor: pointer;
    text-align: center;
    box-shadow: 0 4px 15px rgba(184, 134, 11, 0.2);
}

.btn-primary:hover {
    background-color: var(--clr-accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(184, 134, 11, 0.3);
}

/* ==========================================================================
   SECTIONS & COMPONENTS
   ========================================================================== */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-color: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    transition: all var(--transition-fast);
}

.navbar-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.navbar-links a {
    text-decoration: none;
    color: var(--clr-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.navbar-links a:hover {
    color: var(--clr-accent);
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-lg);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: left;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-blob {
    width: 100%;
    max-width: 520px;
    aspect-ratio: 1;
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    overflow: hidden;
    animation: morph 8s ease-in-out infinite both alternate;
    box-shadow: 0 20px 40px rgba(184, 134, 11, 0.15);
}

.hero-image-blob img,
.hero-image-blob video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none; /* Prevent video controls on click if user clicks */
}

@keyframes morph {
    0% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; transform: translateY(0); }
    50% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: translateY(-15px); }
    100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; transform: translateY(0); }
}

.bg-shape {
    position: absolute;
    filter: blur(80px);
    z-index: 1;
    opacity: 0.5;
    animation: float 10s ease-in-out infinite alternate;
}

.shape-1 {
    top: -10%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: rgba(184, 134, 11, 0.15);
    border-radius: 50%;
}

.shape-2 {
    bottom: -10%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: rgba(85, 40, 87, 0.1);
    border-radius: 50%;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(30px) scale(1.1); }
}

/* Services Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.card {
    background-color: var(--clr-white);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border-top: 4px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    border-top-color: var(--clr-accent);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1;
}

.card h4 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--clr-text-light);
    font-size: 1rem;
    margin-bottom: 0;
    flex-grow: 1;
}

/* Parcerias (Plum Section) */
.parcerias {
    background-color: var(--clr-highlight);
    color: var(--clr-primary-bg);
}

.parcerias-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.parcerias-text h3 {
    color: var(--clr-primary-bg);
}

.parcerias-text p {
    font-size: 1.15rem;
    color: rgba(253, 251, 247, 0.9);
}

.parcerias-list {
    list-style: none;
    background-color: var(--clr-highlight-light);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.parcerias-list li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.parcerias-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.parcerias-list li:first-child {
    padding-top: 0;
}

.parcerias-list .icon {
    margin-right: 1rem;
    font-size: 1.2rem;
}

.parcerias-list strong {
    color: var(--clr-accent);
    font-weight: 600;
    margin-right: 0.5rem;
}

/* Portfolio Gallery */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-sm);
}

.portfolio-item {
    aspect-ratio: 4/3;
    overflow: hidden;
    position: relative;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    display: block;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(85, 40, 87, 0.85); /* Plum color with opacity */
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-overlay span {
    color: var(--clr-white);
    font-size: 1.25rem;
    font-weight: 500;
    font-family: var(--font-heading);
    transform: translateY(20px);
    transition: transform var(--transition-normal);
    text-align: center;
    padding: 0 1rem;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-overlay span {
    transform: translateY(0);
}

.hidden-images {
    display: none;
}

/* Lightbox Modal */
.lightbox {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(30, 30, 30, 0.95);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.lightbox-content-wrapper {
    position: relative;
    width: 90vw;
    height: 75vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.lightbox-content {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.lightbox-caption {
    margin-top: 1rem;
    color: var(--clr-white);
    font-size: 1.1rem;
    font-weight: 300;
    text-align: center;
}

/* Modal Nav Buttons */
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
    z-index: 2001;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--clr-accent);
}

.lightbox-prev,
.lightbox-next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: 50px;
    height: 50px;
    margin-top: -25px;
    color: white;
    font-weight: bold;
    font-size: 24px;
    transition: background-color 0.3s;
    border-radius: 50%;
    background-color: rgba(0,0,0,0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
}

.lightbox-next {
    right: -60px;
}

.lightbox-prev {
    left: -60px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background-color: var(--clr-accent);
}

/* About (Sobre) */
.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr; /* Text gets more space, img is smaller */
    gap: var(--spacing-xl);
    align-items: center; /* Vertical alignment centered */
}

.sobre-img-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sobre-image-blob {
    width: 100%;
    max-width: 320px; /* Controls the maximum size of the organic photo */
    aspect-ratio: 1;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; /* Organic shape similar to hero but slightly different */
    overflow: hidden;
    animation: morph-slow 12s ease-in-out infinite both alternate;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border: 4px solid var(--clr-white);
}

.sobre-img-bw {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    filter: grayscale(100%);
    transition: filter var(--transition-normal), transform var(--transition-normal);
}

.sobre-image-blob:hover .sobre-img-bw {
    filter: grayscale(0%);
    transform: scale(1.05); /* Slight zoom on hover along with color */
}

@keyframes morph-slow {
    0% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
    100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

.sobre-text p {
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    color: var(--clr-text-light);
}

/* Contact */
.contato-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.contato-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--clr-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.2rem;
    transition: color var(--transition-fast);
}

.contato-link:hover {
    color: var(--clr-accent);
}

.contato-link svg {
    width: 24px;
    height: 24px;
    stroke: var(--clr-accent);
}

.contato-form-container {
    background-color: var(--clr-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.04);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--clr-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 1px solid #E0E0E0;
    border-radius: 6px;
    font-family: var(--font-text);
    font-size: 1rem;
    color: var(--clr-text);
    background-color: #FAFAFA;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--clr-accent);
    background-color: var(--clr-white);
    box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.1);
}

.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: "▼";
    font-size: 0.8rem;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--clr-text-light);
}

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
}

/* Footer */
.footer {
    background-color: #1A1A1A; /* Very dark charcoal */
    color: var(--clr-white);
    padding: var(--spacing-lg) 0 2rem 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-logo {
    max-width: 150px;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-logo-large {
    max-width: 200px; /* Increased size */
    filter: brightness(0) invert(1);
    opacity: 0.95;
}

.footer-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.footer-links.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: rgba(255,255,255,0.05);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

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

.footer-links.social-icons svg {
    width: 22px;
    height: 22px;
}

.footer-links a {
    color: var(--clr-white);
    text-decoration: none;
    font-weight: 300;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--clr-accent);
}

.footer-copyright {
    color: #777;
    font-size: 0.9rem;
    font-weight: 300;
    border-top: 1px solid #333;
    padding-top: 2rem;
    width: 100%;
    text-align: center;
}

.social-img-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    transition: all var(--transition-fast);
}

/* WhatsApp Floating Button */
.wa-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    z-index: 100;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.wa-float:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.wa-float svg {
    width: 32px;
    height: 32px;
}

/* ==========================================================================
   ANIMATIONS (Triggered by Intersection Observer)
   ========================================================================== */
.fade-in-section {
    opacity: 0;
    transform: translateY(40px);
    visibility: hidden;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, visibility;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
    visibility: visible;
}

.animate-fade-in {
    animation: fadeIn 1.2s ease-out forwards;
    opacity: 0;
}

.animate-fade-up {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes fadeIn {
    to { opacity: 1; }
}

@keyframes fadeUp {
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

/* ==========================================================================
   RESPONSIVE (Mobile First implicit, adding max-width rules for refinement)
   ========================================================================== */
@media (max-width: 992px) {
    .hero-grid,
    .parcerias-grid,
    .sobre-grid,
    .contato-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .hero-content h2,
    .lead-text {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image-wrapper {
        margin-top: var(--spacing-md);
        order: -1; /* Puts image above text on mobile */
    }
    
    .hero-image-blob {
        max-width: 300px;
    }
    
    .sobre-grid {
        grid-template-columns: 1fr;
    }
    
    .sobre-image-blob {
        max-width: 250px;
    }
    
    .navbar-links {
        display: none; /* In a real scenario we'd add a hamburger menu */
    }
    
    .sobre-img-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .contato-form-container {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .hero {
        padding-top: 6rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .wa-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .wa-float svg {
        width: 28px;
        height: 28px;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-close {
        top: 10px;
        right: 20px;
    }
}