/* ============================================
   Ana Claudia Costa Arquitetura & Interiores
   Design Contemporâneo Brasileiro
   ============================================ */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores - Paleta Contemporânea Brasileira */
    --color-primary: #1a1a1a;
    --color-secondary: #f5f5f0;
    --color-accent: #c4a57b;
    --color-terracota: #d4745e;
    --color-white: #ffffff;
    --color-gray-light: #e8e8e3;
    --color-gray-medium: #9a9a95;
    --color-gray-dark: #4a4a45;
    
    /* Tipografia */
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    
    /* Transições */
    --transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.3s ease;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-primary);
    background-color: var(--color-white);
    line-height: 1.7;
    font-weight: 300;
    overflow-x: hidden;
}

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

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

/* === TIPOGRAFIA === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

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

.lead {
    font-size: 1.25rem;
    line-height: 1.8;
    font-weight: 300;
}

/* === CONTAINER === */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    padding: 0 var(--spacing-md);
}

/* === NAVEGAÇÃO === */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.main-nav.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom-color: var(--color-gray-light);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.logo-subtitle {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gray-medium);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-menu a {
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 400;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

/* === HERO SECTION === */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
}

.hero-placeholder {
    background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-secondary) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-md);
}

.hero-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-scroll {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.hero-scroll:hover {
    opacity: 1;
    transform: translateY(5px);
}

/* === ANIMAÇÕES === */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeUp 1s ease-out forwards;
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.3s;
}

.delay-2 {
    animation-delay: 0.6s;
}

/* === SECTIONS === */
section {
    padding: var(--spacing-xxl) 0;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

/* === MANIFESTO === */
.manifesto-section {
    background-color: var(--color-secondary);
    padding: var(--spacing-xxl) 0;
}

.manifesto-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.manifesto-text {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--color-gray-dark);
}

/* === PROJECTS GRID === */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    position: relative;
    overflow: hidden;
}

.project-link {
    display: block;
}

.project-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background-color: var(--color-gray-light);
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-view {
    color: var(--color-white);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border: 1px solid var(--color-white);
    padding: 0.75rem 1.5rem;
}

.project-info {
    padding: var(--spacing-md) 0;
}

.project-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    display: block;
    margin-bottom: 0.5rem;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-location,
.project-year {
    font-size: 0.875rem;
    color: var(--color-gray-medium);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-light) 0%, var(--color-secondary) 100%);
}

/* === MASONRY GRID === */
.projects-masonry {
    column-count: 3;
    column-gap: var(--spacing-lg);
}

.projects-masonry .project-card {
    break-inside: avoid;
    margin-bottom: var(--spacing-lg);
}

/* === CTA SECTION === */
.cta-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xxl) 0;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-link {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    font-weight: 500;
}

.btn-link:hover {
    color: var(--color-terracota);
}

/* === PAGE HERO === */
.page-hero {
    padding: calc(var(--spacing-xxl) + 80px) 0 var(--spacing-xl) 0;
    text-align: center;
    background-color: var(--color-secondary);
}

.page-title {
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-dark);
    max-width: 700px;
    margin: 0 auto;
}

/* === ABOUT PAGE === */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image img {
    width: 100%;
    height: auto;
}

.philosophy-section {
    background-color: var(--color-secondary);
}

.philosophy-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.philosophy-text {
    font-size: 1.125rem;
    line-height: 1.9;
}

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

.signature-box {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    border-left: 3px solid var(--color-accent);
    background-color: var(--color-secondary);
}

.signature-quote {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-style: italic;
    line-height: 1.7;
    color: var(--color-gray-dark);
}

/* === PORTFOLIO FILTER === */
.portfolio-filter {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid var(--color-gray-light);
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* === PROJECT PAGE === */
.project-hero {
    padding-top: 80px;
}

.project-hero-image {
    width: 100%;
    height: 70vh;
    overflow: hidden;
}

.project-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-header {
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.project-meta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.meta-item {
    font-size: 0.875rem;
    color: var(--color-gray-medium);
    padding: 0 var(--spacing-md);
    border-right: 1px solid var(--color-gray-light);
}

.meta-item:last-child {
    border-right: none;
}

.project-description {
    background-color: var(--color-secondary);
}

.description-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.concept-content {
    max-width: 900px;
    margin: 0 auto;
}

.concept-text {
    font-size: 1.125rem;
    line-height: 1.9;
}

/* === GALLERY === */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
}

.gallery-image {
    width: 100%;
    height: auto;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.gallery-caption {
    padding: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray-medium);
    text-align: center;
}

/* === LIGHTBOX === */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 3rem;
    color: var(--color-white);
    cursor: pointer;
    line-height: 1;
}

#lightbox-image {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
}

/* === TECHNICAL INFO === */
.technical-content {
    max-width: 800px;
    margin: 0 auto;
}

.technical-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.technical-list li {
    padding: var(--spacing-sm);
    background-color: var(--color-secondary);
    font-size: 0.95rem;
}

.technical-list li::before {
    content: '—';
    margin-right: 0.5rem;
    color: var(--color-accent);
}

/* === SERVICES PAGE === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-lg);
    background-color: var(--color-secondary);
    transition: var(--transition-fast);
}

.service-card:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-5px);
}

.service-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.service-card:hover .service-number {
    color: var(--color-white);
}

.service-title {
    font-size: 1.25rem;
}

.methodology-section {
    background-color: var(--color-secondary);
}

.methodology-content {
    max-width: 900px;
    margin: 0 auto;
}

.methodology-text {
    font-size: 1.125rem;
    line-height: 1.9;
}

/* === PROCESS TIMELINE === */
.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
}

.step-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.process-step h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    font-size: 0.95rem;
    color: var(--color-gray-dark);
}

/* === CONTACT PAGE === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.info-blocks {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.info-block h3 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-medium);
}

.info-block a {
    color: var(--color-primary);
    font-size: 1.125rem;
}

.info-block a:hover {
    color: var(--color-accent);
}

.social-links {
    margin-top: var(--spacing-xl);
}

.social-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--color-gray-light);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.social-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* === FORMS === */
.contact-form,
.admin-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    color: var(--color-gray-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 1rem;
    border: 1px solid var(--color-gray-light);
    background-color: var(--color-white);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group small {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-gray-medium);
}

.btn-block {
    width: 100%;
}

/* === ALERTS === */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 3px solid;
}

.alert-success {
    background-color: #e8f5e9;
    border-color: #4caf50;
    color: #2e7d32;
}

.alert-error {
    background-color: #ffebee;
    border-color: #f44336;
    color: #c62828;
}

/* === FOOTER === */
.main-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col h3,
.footer-col h4 {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-links,
.footer-contact,
.footer-social {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a,
.footer-contact a,
.footer-social a {
    font-size: 0.95rem;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover,
.footer-social a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.6;
    margin: 0;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .projects-masonry {
        column-count: 2;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
        --spacing-xxl: 4rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xxl) var(--spacing-md);
        gap: var(--spacing-md);
        transition: var(--transition-smooth);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-masonry {
        column-count: 1;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .logo-image {
        max-height: 45px;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .logo-subtitle {
        font-size: 0.65rem;
    }
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
}

.empty-state p {
    font-size: 1.125rem;
    color: var(--color-gray-medium);
    margin-bottom: var(--spacing-md);
}