@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

:root {
    --primary: #c5a059;
    /* Sophisticated Gold */
    --secondary: #1a1a1a;
    /* Rich Black */
    --accent: #f4f1ea;
    /* Soft Beige/Off-white */
    --bg-dark: #0f0f0f;
    --text-light: #ffffff;
    --text-muted: #a0a0a0;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --container-max: 1200px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.font-serif {
    font-family: 'Playfair Display', serif;
}

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

ul {
    list-style: none;
}

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

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

/* Typography Utilities */
.text-gold {
    color: var(--primary);
}

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

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-subtitle {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    display: block;
}

/* Layout Utilities */
section {
    padding: var(--spacing-xl) 0;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(197, 160, 89, 0.1);
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a:hover {
    color: var(--primary);
}

.mobile-menu-toggle {
    display: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 1px solid var(--primary);
    background: transparent;
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: var(--transition);
}

.btn::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary);
    z-index: -1;
    transition: var(--transition);
}

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

.btn:hover::before {
    top: 0;
}

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

.btn-filled:hover {
    background: transparent;
    color: var(--primary);
}

/* Hero Section */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.hero-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(1.1);
}

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

.hero-slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 1;
}



#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 15vh;
    background: linear-gradient(transparent, var(--bg-dark));
}


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

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    justify-content: center;
}


/* About & Essence */
#about {
    background-color: var(--bg-dark);
}

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

.essence-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.essence-card {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(197, 160, 89, 0.1);
    transition: var(--transition);
}

.essence-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

/* Developments */
#developments {
    background-color: #151515;
}

.dev-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.dev-card {
    position: relative;
    overflow: hidden;
    height: 600px;
}

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

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

.dev-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.6) 50%, transparent 100%);
    color: var(--text-light);
    transform: translateY(20px);
    transition: var(--transition);
}

.dev-card:hover .dev-overlay {
    transform: translateY(0);
}


.dev-tag {
    background: var(--primary);
    color: var(--secondary);
    padding: 0.2rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
}

/* Directors Section */
.directors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.director-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(197, 160, 89, 0.1);
    transition: var(--transition);
    overflow: hidden;
}

.director-photo {
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.director-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.director-info {
    padding: var(--spacing-md);
    text-align: center;
}

.director-role {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 1rem;
}

.director-bio {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.director-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
}

/* Videos Section */
#videos {
    background-color: var(--bg-dark);
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.institutional-video {
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    border-radius: 8px;
    border: 1px solid var(--primary);
    box-shadow: 0 10px 40px rgba(197, 160, 89, 0.2);
}

.video-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    transition: var(--transition);
}

.video-container:hover .video-placeholder {
    opacity: 0.4;
    transform: scale(1.05);
}

.play-btn {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2;
}

.play-btn::after {
    content: '';
    border-left: 20px solid var(--secondary);
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(197, 160, 89, 0.4);
}

.values-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.value-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.value-item span {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
}

/* Footer & Contact */
#footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    background: #0a0a0a;
    border-top: 1px solid rgba(197, 160, 89, 0.1);
    color: var(--text-muted);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h3,
.footer-column h4 {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.company-data {
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.social-links a {
    font-size: 0.9rem;
    color: var(--primary);
    border-bottom: 1px solid transparent;
}

.social-links a:hover {
    border-bottom-color: var(--primary);
}

.legal-disclaimer {
    color: #666;
    line-height: 1.4;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}


.copyright {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
}


/* Differentiators & Quality */
.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.diff-card {
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid var(--primary);
    transition: var(--transition);
}

.diff-card:hover {
    background: rgba(197, 160, 89, 0.05);
    transform: translateX(10px);
}

.diff-card i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

/* Construction Process */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

.step-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(197, 160, 89, 0.1);
}

.step-num {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary);
    line-height: 1;
    min-width: 40px;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--primary);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
}

.timeline-year {
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: 0.5rem;
}

/* FAQ Accordion */
.faq-container {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid rgba(197, 160, 89, 0.1);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0, 1, 0, 1);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 1.5rem 1.5rem;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.faq-item.active .faq-question::after {
    content: '-';
    transform: rotate(180deg);
}

/* Partners Grid */
.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    align-items: center;
    opacity: 0.6;
}

.partner-logo {
    height: 40px;
    width: auto;
    filter: grayscale(1) brightness(2);
    transition: var(--transition);
}

.partner-logo:hover {
    filter: grayscale(0) brightness(1);
    opacity: 1;
}

/* Animations Update */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive */
@media (max-width: 768px) {

    .about-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }

    .dev-card {
        height: 400px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(15, 15, 15, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 80px 2rem 2rem;
        gap: 1.5rem;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1001;
        border-left: 1px solid rgba(197, 160, 89, 0.2);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(197, 160, 89, 0.1);
    }

    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0.5rem;
        z-index: 1002;
    }

    .mobile-menu-toggle span {
        width: 25px;
        height: 2px;
        background: var(--primary);
        transition: all 0.3s ease;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .nav-cta {
        display: none;
    }

    .hero-title {
        font-size: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Estilos do Formulário de Contato RA */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.ra-form {
    background: rgba(255, 255, 255, 0.95);
    /* Fundo branco levemente translúcido */
    padding: 2.5rem;
    border-radius: 4px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.ra-form .form-group {
    margin-bottom: 1.2rem;
    text-align: left;
}

.ra-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
    /* Texto escuro para contraste no form branco */
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ra-form input,
.ra-form select,
.ra-form textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    background: #fff;
    color: #333;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.ra-form input:focus,
.ra-form select:focus,
.ra-form textarea:focus {
    outline: none;
    border-color: #c5a059;
    /* Cor Dourada da RA (inferida do favion) */
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
}

.ra-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.direct-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Responsividade para celular */
@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .ra-form .form-row {
        grid-template-columns: 1fr;
    }

    .section-title {
        text-align: center !important;
    }

    .contact-info p {
        text-align: center;
        margin: 0 auto 2rem auto;
    }

    .direct-actions {
        justify-content: center;
        margin-bottom: 2rem;
    }
}

/* Construction Gallery */
.construction-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    border: 1px solid rgba(197, 160, 89, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: grayscale(0.3);
}

.gallery-item:hover img {
    transform: scale(1.1);
    filter: grayscale(0);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 50%, transparent 100%);
    padding: var(--spacing-md);
    transform: translateY(100%);
    transition: var(--transition);
}

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

.gallery-overlay p {
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    margin: 0;
    text-align: center;
}

@media (max-width: 768px) {
    .construction-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }
}