/* ==============================================
   RGR Construtora - Estilos Principais
   ============================================== */

/* Reset e Configurações Globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores baseadas no logo (azul e laranja) */
    --primary-color: #1e3a8a;
    --primary-dark: #0f2557;
    --primary-light: #3b5998;
    --secondary-color: #f97316;
    --secondary-dark: #ea580c;
    --secondary-light: #fb923c;
    
    /* Cores neutras */
    --dark: #1f2937;
    --gray-dark: #374151;
    --gray: #6b7280;
    --gray-light: #d1d5db;
    --light: #f3f4f6;
    --white: #ffffff;
    
    /* Tipografia */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transições */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
}

.col-md-4 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    padding: 0 15px;
}

.col-md-8 {
    flex: 0 0 66.666%;
    max-width: 66.666%;
    padding: 0 15px;
}

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

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--dark);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.lead {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--gray-dark);
}

strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-outline-light {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

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

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

.btn-whatsapp {
    background-color: #25d366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background-color: #1fb855;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
}

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

/* Header / Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.navbar {
    padding: 15px 0;
}

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

/* Container dos Logos */
.logos-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Logo Principal */
.logo-primary img {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-primary:hover img {
    transform: scale(1.05);
}

/* Divisória entre logos */
.logo-divider {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--gray-light), transparent);
    opacity: 0.5;
}

/* Logo Secundário - Grupo RSR */
.logo-secondary {
    position: relative;
    opacity: 0.4;
    filter: grayscale(30%);
    transition: all 0.4s ease;
}

.logo-secondary img {
    height: 45px;
    width: auto;
}

.logo-secondary:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: translateY(-2px);
}

/* Tooltip do Logo Secundário */
.logo-secondary::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -45px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--dark);
    color: var(--white);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.logo-secondary::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-bottom-color: var(--dark);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
}

.logo-secondary:hover::after,
.logo-secondary:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.logo-text {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-menu a {
    color: var(--dark);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 5px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

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

.btn-nav {
    background-color: var(--secondary-color);
    color: var(--white) !important;
    padding: 10px 20px !important;
    border-radius: 5px;
}

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

.btn-nav::after {
    display: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9) 0%, rgba(15, 37, 87, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title strong {
    color: var(--secondary-color);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    color: var(--light);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.hero-scroll a {
    color: var(--white);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-in;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s both;
}

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

/* Sobre Preview */
.sobre-preview {
    background-color: var(--white);
}

.sobre-content {
    padding-right: 40px;
}

.sobre-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Serviços Preview */
.servicos-preview {
    background-color: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    color: var(--white);
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Portfolio Preview */
.portfolio-preview {
    background-color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    aspect-ratio: 1;
    cursor: pointer;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(30, 58, 138, 0.95), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: var(--white);
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay h3 {
    color: var(--white);
    margin-bottom: 5px;
}

.portfolio-overlay p {
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.portfolio-link {
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.portfolio-link:hover {
    background-color: var(--secondary-dark);
    transform: scale(1.1);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    text-align: center;
    padding: 80px 0;
}

.cta-content h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--light);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background-color: var(--dark);
    color: var(--light);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3,
.footer-column h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-column p {
    color: var(--gray-light);
    margin-bottom: 15px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: var(--gray-light);
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--gray-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-light);
}

.contact-info i {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--gray-dark);
}

.footer-bottom p {
    color: var(--gray-light);
    font-size: 0.9rem;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 30px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background-color: #1fb855;
    transform: scale(1.1);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    text-align: center;
    padding: 150px 0 80px;
    margin-top: 70px;
}

.page-header h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--light);
}

/* Utility Classes */
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mt-50 { margin-top: 50px; }

.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mb-50 { margin-bottom: 50px; }

.pt-50 { padding-top: 50px; }
.pb-50 { padding-bottom: 50px; }