/* ========================================
   TOP HOMES CONSTRUCTION - STYLESHEET
   Design Corporativo Elegante
   ======================================== */

/* ========== VARIÁVEIS ========== */
:root {
    /* Cores da Marca */
    --primary: #E31E24;
    --primary-dark: #B91418;
    --primary-light: #FF4449;
    
    /* Cores Neutras */
    --black: #0a0a0a;
    --dark: #1a1a1a;
    --gray-dark: #2a2a2a;
    --gray: #666666;
    --gray-light: #9a9a9a;
    --light: #f5f5f5;
    --white: #ffffff;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Inter', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transições */
    --transition: all 0.3s ease;
    
    /* Container */
    --container-width: 1200px;
}

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

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

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

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

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    transition: var(--transition);
}

/* ========== TIPOGRAFIA ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
}

h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
}

h3 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
}

h4 {
    font-size: clamp(20px, 2.5vw, 28px);
    font-weight: 600;
}

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

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

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* ========== SEÇÕES ========== */
.section {
    padding: var(--spacing-xl) 0;
}

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

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

.section-subtitle {
    text-align: center;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-xs);
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: transparent;
    box-shadow: none;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    transition: var(--transition);
}

.header.scrolled .logo {
    color: var(--black);
}

.logo img {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: var(--transition);
}

.header.scrolled .logo img {
    filter: none;
}

/* Navegação */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

.nav-link {
    font-weight: 500;
    color: var(--white);
    padding: 8px 16px;
    border-radius: 6px;
    transition: var(--transition);
}

.header.scrolled .nav-link {
    color: var(--dark);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--primary);
}

/* Header CTA */
.header-cta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.phone-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
}

.header.scrolled .phone-header {
    color: var(--dark);
}

.phone-header i {
    color: var(--primary);
    font-size: 20px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.header.scrolled .menu-toggle span {
    background: var(--dark);
}

/* ========== BOTÕES ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

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

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

.header:not(.scrolled) .btn-primary {
    background: var(--white);
    color: var(--primary);
}

.header:not(.scrolled) .btn-primary:hover {
    background: var(--light);
}

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

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

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

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

.btn-lg {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-sm {
    padding: 10px 24px;
    font-size: 14px;
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero.hero-page {
    height: 50vh;
    min-height: 400px;
    margin-top: 70px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6), rgba(227,30,36,0.3));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 0 var(--spacing-md);
    width: 100%;
}

.hero-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-description {
    font-size: 20px;
    color: rgba(255,255,255,0.95);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

/* ========== FEATURES ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
}

.feature-title {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--gray);
    line-height: 1.7;
}

/* ========== CHECKLIST ========== */
.checklist {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.checklist-icon {
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 2px;
}

.checklist-text {
    color: var(--dark);
    font-weight: 500;
}

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

.cta-banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-banner-text {
    text-align: left;
}

.cta-banner-title {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.cta-banner-phone {
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
}

/* ========== PROJECTS/GALLERY ========== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    aspect-ratio: 4/3;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

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

.project-title {
    color: var(--white);
    font-size: 20px;
}

.project-category {
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
}

/* ========== TESTIMONIALS ========== */
.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-card {
    background: var(--light);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-style: italic;
    color: var(--dark);
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 4px;
}

.author-info p {
    color: var(--gray);
    font-size: 14px;
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

/* ========== FORMULÁRIOS ========== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--dark);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e5e5e5;
    border-radius: 8px;
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
    background: var(--white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(227, 30, 36, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form {
    background: var(--primary);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: 12px;
    color: var(--white);
}

.contact-form .form-input,
.contact-form .form-textarea,
.contact-form .form-select {
    background: rgba(255,255,255,0.95);
}

.contact-form .form-label {
    color: var(--white);
}

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

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

.footer-section h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-link {
    color: var(--gray-light);
    transition: var(--transition);
}

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

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

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

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

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

/* ========== UTILITIES ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.bg-light { background: var(--light); }
.bg-dark { background: var(--dark); }
.bg-primary { background: var(--primary); }

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ========== RESPONSIVO ========== */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 60px;
    }
    
    .container > div[style*="display: grid"][style*="grid-template-columns: 1fr 1fr"] {
        display: block !important;
    }
    
    .container > div[style*="display: grid"][style*="grid-template-columns: 1fr 1fr"] > div {
        margin-bottom: 40px;
    }
    
    .container > div[style*="display: grid"][style*="grid-template-columns: 1fr 1fr"] > div:last-child {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 40px;
        --spacing-xl: 50px;
    }
    
    .header.scrolled {
        background: var(--white);
    }
    
    .header.scrolled .menu-toggle span {
        background: var(--dark);
    }
    
    .header-container {
        padding: var(--spacing-sm);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--dark) !important;
    }
    
    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        color: var(--primary) !important;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .phone-header {
        display: none;
    }
    
    .hero {
        min-height: 500px;
        height: 100vh;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .container > div[style*="display: grid"] {
        display: block !important;
    }
    
    .container > div[style*="display: grid"] > div {
        margin-bottom: 40px;
    }
    
    .container > div[style*="display: grid"] > div:last-child {
        margin-bottom: 0;
    }
    
    .cta-banner-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-banner-text {
        text-align: center;
    }
    
    .cta-banner-phone {
        font-size: 24px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .cta-banner-phone {
        font-size: 20px;
    }
    
    form[style*="display: grid"] {
        display: block !important;
    }
    
    form[style*="display: grid"] > div {
        margin-bottom: 16px;
    }
}

/* ========== PRINT ========== */
@media print {
    .header,
    .footer,
    .cta-banner,
    .btn {
        display: none !important;
    }
}