/* ===================================
   DG REFORMAS - STYLESHEET
   ================================== */

/* ===================================
   1. RESET E VARIÁVEIS GLOBAIS
   ================================== */

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

:root {
    /* Paleta de cores baseada no logo DG Reformas */
    --cor-primaria: #2C4A7C;        /* Azul escuro do logo */
    --cor-secundaria: #3D5A8C;      /* Azul médio */
    --cor-destaque: #4A6FA5;        /* Azul claro para hover */
    --cor-fundo: #F5F7FA;           /* Cinza claro de fundo */
    --cor-fundo-alt: #E8EBF0;       /* Cinza alternativo */
    --cor-texto: #4A5568;           /* Cinza médio para textos */
    --cor-texto-escuro: #1A202C;    /* Texto escuro */
    --cor-branco: #FFFFFF;
    --cor-borda: #CBD5E0;
    
    /* Tipografia */
    --fonte-principal: 'Poppins', sans-serif;
    --fonte-titulos: 'Montserrat', sans-serif;
    
    /* Espaçamentos */
    --espacamento-xs: 0.5rem;
    --espacamento-sm: 1rem;
    --espacamento-md: 2rem;
    --espacamento-lg: 3rem;
    --espacamento-xl: 4rem;
    
    /* Sombras */
    --sombra-leve: 0 2px 8px rgba(0, 0, 0, 0.05);
    --sombra-media: 0 4px 16px rgba(0, 0, 0, 0.1);
    --sombra-forte: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* Transições */
    --transicao-rapida: 0.2s ease;
    --transicao-media: 0.3s ease;
    --transicao-lenta: 0.5s ease;
}

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

body {
    font-family: var(--fonte-principal);
    color: var(--cor-texto);
    background-color: var(--cor-fundo);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   2. TIPOGRAFIA
   ================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--fonte-titulos);
    color: var(--cor-texto-escuro);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
    margin-bottom: 1rem;
}

.text-large {
    font-size: 1.125rem;
    line-height: 1.8;
}

/* ===================================
   3. CONTAINER E GRID
   ================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--espacamento-sm);
}

/* ===================================
   4. BOTÕES
   ================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--fonte-titulos);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transicao-media);
    text-transform: none;
    letter-spacing: 0.3px;
}

.btn-primary {
    background-color: var(--cor-primaria);
    color: var(--cor-branco);
}

.btn-primary:hover {
    background-color: var(--cor-destaque);
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

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

.btn-secondary:hover {
    background-color: var(--cor-branco);
    color: var(--cor-primaria);
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn-instagram {
    background-color: #E1306C;
    color: var(--cor-branco);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-instagram:hover {
    background-color: #C13584;
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

.btn-block {
    width: 100%;
}

/* ===================================
   5. NAVEGAÇÃO
   ================================== */

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--sombra-leve);
    z-index: 1000;
    transition: var(--transicao-media);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--espacamento-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-family: var(--fonte-titulos);
    font-weight: 500;
    color: var(--cor-texto-escuro);
    font-size: 0.95rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--cor-primaria);
    transition: var(--transicao-media);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--cor-primaria);
    transition: var(--transicao-rapida);
    border-radius: 2px;
}

/* ===================================
   6. SEÇÃO HERO
   ================================== */

.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--cor-primaria);
    background-image: url('hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: var(--espacamento-md) var(--espacamento-sm);
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

/* Overlay para melhor legibilidade */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(44, 74, 124, 0.88) 0%, 
        rgba(44, 74, 124, 0.75) 100%);
    z-index: 0;
    pointer-events: none;
}

.hero-container {
    max-width: 1000px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-logo {
    margin-bottom: var(--espacamento-sm);
    display: inline-block;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.8rem 1.2rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.hero-logo img {
    height: 140px;
    width: auto;
    margin: 0 auto;
    display: block;
}

.hero-title {
    color: var(--cor-branco);
    margin-bottom: var(--espacamento-sm);
    font-weight: 700;
    line-height: 1.3;
    animation: fadeInUp 1s ease-out 0.3s backwards;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    font-size: clamp(1.75rem, 4vw, 2.8rem);
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--espacamento-md);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.5s backwards;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.7s backwards;
}

.hero-contacts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.contact-card {
    background-color: var(--cor-branco);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--sombra-leve);
    transition: var(--transicao-media);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
}

.contact-card h3 {
    color: var(--cor-primaria);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.cau-registro {
    font-size: 0.875rem;
    color: var(--cor-texto);
    margin-bottom: 0.75rem;
}

.whatsapp-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #25D366;
    font-weight: 500;
    font-size: 1.125rem;
}

.whatsapp-link:hover {
    color: #128C7E;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 700px;
    margin: var(--espacamento-lg) auto 0;
    padding-top: var(--espacamento-md);
    border-top: 2px solid var(--cor-borda);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--cor-primaria);
    font-family: var(--fonte-titulos);
    line-height: 1;
    margin-bottom: 0.5rem;
    animation: countUp 2s ease-out;
}

@keyframes countUp {
    from { 
        opacity: 0;
        transform: scale(0.5);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

.stat-label {
    font-size: 0.9rem;
    color: var(--cor-texto);
    font-weight: 500;
    line-height: 1.4;
}

/* ===================================
   7. SEÇÃO DIFERENCIAIS
   ================================== */

.diferenciais {
    padding: var(--espacamento-md) var(--espacamento-sm);
    background-color: var(--cor-fundo);
    border-top: 1px solid var(--cor-borda);
    border-bottom: 1px solid var(--cor-borda);
}

.diferenciais-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.diferencial-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.diferencial-badge {
    width: 28px;
    height: 28px;
    background: var(--cor-primaria);
    color: var(--cor-branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    flex-shrink: 0;
}

.diferencial-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.diferencial-text strong {
    color: var(--cor-primaria);
    font-size: 0.95rem;
    font-weight: 600;
}

.diferencial-text span {
    color: var(--cor-texto);
    font-size: 0.8rem;
    opacity: 0.85;
}

/* ===================================
   8. SEÇÃO QUEM SOMOS
   ================================== */

.quem-somos {
    padding: var(--espacamento-md) var(--espacamento-sm);
    background-color: var(--cor-branco);
}

.quem-somos-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: var(--espacamento-lg);
    align-items: center;
}

.quem-somos-content .section-title {
    font-size: 2rem;
    margin-bottom: var(--espacamento-md);
    font-weight: 700;
}

.quem-somos-content p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.7;
    color: #4a5568;
    text-align: justify;
}

.quem-somos-content p.text-large {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--cor-texto);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.quem-somos-content p strong {
    color: var(--cor-primaria);
    font-weight: 600;
}

.team-members {
    margin-top: var(--espacamento-md);
    display: grid;
    gap: 1rem;
}

.member {
    background: linear-gradient(135deg, #f8f9fb 0%, #ffffff 100%);
    padding: 1.2rem;
    border-radius: 8px;
    border-left: 3px solid var(--cor-primaria);
    box-shadow: 0 2px 8px rgba(44, 74, 124, 0.08);
    transition: all 0.3s ease;
}

.member:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(44, 74, 124, 0.15);
}

.member h3 {
    color: var(--cor-primaria);
    font-size: 1rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.member p {
    color: #5a6c7d;
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.4;
}

.quem-somos-image {
    position: relative;
}

.quem-somos-image img {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(44,74,124,0.15);
}

.image-placeholder {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--sombra-media);
}

/* ===================================
   8. SEÇÃO PORTFÓLIO
   ================================== */

.portfolio {
    padding: var(--espacamento-md) var(--espacamento-sm);
    background-color: var(--cor-branco);
}

.portfolio .container {
    max-width: 1600px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.2rem;
    margin-bottom: var(--espacamento-md);
}

.portfolio-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--sombra-leve);
    transition: var(--transicao-media);
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-forte);
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

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

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 1.2rem;
    background: linear-gradient(135deg, rgba(44, 74, 124, 0.88) 0%, rgba(30, 58, 95, 0.92) 100%);
    color: var(--cor-branco);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: all 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    background: linear-gradient(135deg, rgba(44, 74, 124, 0.95) 0%, rgba(30, 58, 95, 0.98) 100%);
}

.portfolio-overlay h3 {
    color: var(--cor-branco);
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
}

.portfolio-overlay p {
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
    opacity: 0.9;
}

.portfolio-category {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ===================================
   9. SEÇÃO REFORMAS (INSTAGRAM)
   ================================== */

.reformas {
    padding: var(--espacamento-md) var(--espacamento-sm);
    background-color: var(--cor-fundo);
}

.reformas .container {
    max-width: 1600px;
}

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

.section-title {
    color: var(--cor-primaria);
    margin-bottom: var(--espacamento-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--cor-texto);
    max-width: 600px;
    margin: 0 auto;
}

.instagram-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: var(--espacamento-md);
    place-items: center;
}

.instagram-post {
    background-color: transparent;
    border-radius: 12px;
    overflow: visible;
    transition: var(--transicao-media);
    width: 100%;
    max-width: 540px;
}

.instagram-post:hover {
    transform: translateY(-5px);
}

.instagram-post .instagram-media {
    margin: 0 auto !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 100% !important;
}

.instagram-post iframe {
    border: none;
    width: 100% !important;
}

.instagram-cta {
    text-align: center;
    margin-top: var(--espacamento-lg);
}

/* ===================================
   10. SEÇÃO DEPOIMENTOS
   ================================== */

.depoimentos {
    padding: var(--espacamento-md) var(--espacamento-sm);
    background-color: var(--cor-branco);
}

.depoimentos-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.depoimento-item {
    position: relative;
    padding-left: 1.5rem;
    border-left: 3px solid var(--cor-primaria);
}

.depoimento-texto {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--cor-texto);
    margin-bottom: 1rem;
    font-style: italic;
}

.depoimento-autor {
    font-size: 0.85rem;
    color: var(--cor-primaria);
    margin: 0;
}

.depoimento-autor strong {
    font-weight: 600;
}

/* ===================================
   11. SEÇÃO CONTATO
   ================================== */

.contato {
    padding: var(--espacamento-md) var(--espacamento-sm);
    background-color: var(--cor-fundo);
}

.contato-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--espacamento-lg);
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.contato-info {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    border-right: 2px solid var(--cor-borda);
    padding-right: var(--espacamento-lg);
    min-width: 280px;
}

.contato-subtitle {
    font-size: 0.9rem;
    color: var(--cor-texto);
    line-height: 1.5;
    margin: 0;
}

.contato-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contato-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--cor-primaria) 0%, #1e3a5f 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-branco);
    box-shadow: 0 4px 12px rgba(44, 74, 124, 0.15);
}

.contato-icon svg {
    stroke-width: 2;
}

.contato-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contato-content h4 {
    color: var(--cor-primaria);
    font-size: 1rem;
    margin: 0;
    font-weight: 600;
}

.contato-content p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

.contato-content a {
    color: var(--cor-texto);
    transition: var(--transicao-rapida);
    display: inline-block;
}

.contato-content a:hover {
    color: var(--cor-primaria);
}

.contato-form {
    background-color: var(--cor-branco);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--cor-borda);
}

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

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--cor-texto-escuro);
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--cor-borda);
    border-radius: 6px;
    font-family: var(--fonte-principal);
    font-size: 0.95rem;
    transition: var(--transicao-rapida);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(44, 74, 124, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ===================================
   12. RODAPÉ
   ================================== */

.footer {
    background-color: var(--cor-texto-escuro);
    color: var(--cor-fundo);
    padding: 2.5rem var(--espacamento-sm) 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr;
    gap: 2.5rem;
    margin-bottom: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
}

.footer-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    display: block;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--cor-fundo-alt);
    line-height: 1.4;
}

.footer-contacts h4,
.footer-social h4 {
    color: var(--cor-branco);
    font-size: 1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.footer-contacts p {
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    color: var(--cor-fundo-alt);
    line-height: 1.5;
}

.footer-contacts a {
    color: var(--cor-fundo-alt);
    transition: var(--transicao-rapida);
}

.footer-contacts a:hover {
    color: var(--cor-branco);
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cor-fundo-alt);
    font-size: 0.9rem;
    transition: var(--transicao-rapida);
}

.social-link:hover {
    color: var(--cor-branco);
}

.social-link svg {
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--cor-fundo-alt);
    margin: 0;
}

.footer-bottom a {
    color: var(--cor-branco);
    transition: var(--transicao-rapida);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ===================================
   13. BOTÃO FLUTUANTE WHATSAPP
   ================================== */

.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: var(--cor-branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 38px;
    height: 38px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ===================================
   14. ANIMAÇÕES
   ================================== */

/* Fade in inicial */
.fade-in {
    opacity: 0;
    animation: fadeIn var(--transicao-lenta) forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.2s; }
.fade-in:nth-child(2) { animation-delay: 0.4s; }
.fade-in:nth-child(3) { animation-delay: 0.6s; }
.fade-in:nth-child(4) { animation-delay: 0.8s; }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade in ao rolar */
.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   15. RESPONSIVIDADE - TABLET
   ================================== */

@media (max-width: 968px) {
    :root {
        font-size: 15px;
    }
    
    .diferenciais-list {
        gap: 2rem;
    }
    
    .diferencial-item {
        flex-basis: calc(50% - 1rem);
    }
    
    .diferenciais-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .quem-somos-grid,
    .contato-grid {
        grid-template-columns: 1fr;
        gap: var(--espacamento-md);
    }
    
    .contato-info {
        border-right: none;
        border-bottom: 2px solid var(--cor-borda);
        padding-right: 0;
        padding-bottom: var(--espacamento-md);
        min-width: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .instagram-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
    
    .portfolio-image {
        height: 280px;
    }
    
    .depoimentos-list {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

/* ===================================
   16. RESPONSIVIDADE - MOBILE
   ================================== */

@media (max-width: 768px) {
    /* Menu mobile */
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--cor-branco);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--espacamento-md);
        gap: 0;
        box-shadow: var(--sombra-media);
        transition: var(--transicao-media);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: 1rem 0;
        width: 100%;
        border-bottom: 1px solid var(--cor-borda);
    }
    
    .nav-link::after {
        display: none;
    }
    
    /* Hero */
    .hero {
        padding: var(--espacamento-md) var(--espacamento-sm);
        min-height: 60vh;
        background-attachment: scroll; /* Remove parallax no mobile para melhor performance */
    }
    
    .hero-logo {
        padding: 0.6rem 1rem;
    }
    
    .hero-logo img {
        height: 90px;
    }
    
    .diferenciais-list {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
    }
    
    .diferencial-item {
        flex-basis: 100%;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    /* Seções gerais */
    .quem-somos,
    .depoimentos,
    .contato {
        padding: var(--espacamento-lg) var(--espacamento-sm);
    }
    
    .reformas {
        padding: var(--espacamento-md) var(--espacamento-sm);
    }
    
    .section-header {
        margin-bottom: var(--espacamento-sm);
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
        font-weight: 700;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .contato-form {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .instagram-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .instagram-post {
        border-radius: 8px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .portfolio-image {
        height: 250px;
    }
    
    .portfolio-overlay {
        transform: translateY(0);
        background: linear-gradient(to top, rgba(44, 74, 124, 0.9) 0%, rgba(44, 74, 124, 0.7) 100%);
        padding: 1rem;
    }
    
    .depoimentos-list {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-brand {
        align-items: center;
        grid-column: auto;
    }
    
    .social-link {
        justify-content: center;
    }
    
    .contato-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
        margin-top: var(--espacamento-md);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .depoimento-card {
        padding: 1.5rem;
    }
    
    /* Botão WhatsApp responsivo */
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
}

/* ===================================
   17. UTILITÁRIOS
   ================================== */

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

.text-primary {
    color: var(--cor-primaria);
}

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }