/* ==========================================================================
    1. VARIÁVEIS DE DESIGN (PALETA CORPORATIVA ATUALIZADA)
    ========================================================================== */
:root {
    --bg-principal: #000000;       /* Azul Marinho Ultra Profundo */
    --bg-secundario: #0b121c;      /* Azul Escuro Sólido */
    --bg-card: #222E50;            /* Azul de Destaque para Elementos */
    --ouro: #f4cb7a;               /* Ouro Clássico Metálico */
    --ouro-hover: #94773f;         /* Ouro Envelhecido para Efeitos */
    --prata: #E0E0E0;              /* Prata Claro */
    --prata-escuro: #8D99AE;       /* Prata Envelhecido / Texto Secundário */
    --branco: #FFFFFF;
    --test: #94773f;
    
    --fonte-titulo: 'Poppins', sans-serif;
    --fonte-corpo: 'Inter', sans-serif;
    --transicao: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --borda-raio: 12px;
    --sombra: 0 20px 40px rgba(0,0,0,0.3);

    --size-social-icons: 1.2rem;
    --size-logo-height: 3rem;
}

/* Mobile */
@media (max-width: 1024px) {
    :root {
        --size-logo-height: 2rem;
        --size-social-icons: 1.5rem;
    }
}

/* ==========================================================================
    2. RESET E ESTILOS GERAIS
    ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-principal);
    color: var(--branco);
    font-family: var(--fonte-corpo);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--fonte-titulo);
    font-weight: 600;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 8rem 0;
}

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

/* ==========================================================================
    3. BOTÕES COMPONENTIZADOS
    ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-family: var(--fonte-titulo);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50px;
    transition: var(--transicao);
    cursor: pointer;
    border: 2px solid transparent;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-primario {
    background: linear-gradient(135deg, var(--ouro), #F3E5AB);
    color: var(--bg-principal);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.btn-primario:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, #F3E5AB, var(--ouro));
}

.btn-secundario {
    background: transparent;
    color: var(--prata);
    border-color: var(--prata-escuro);
}

.btn-secundario:hover {
    border-color: var(--ouro);
    color: var(--ouro);
    background: rgba(212, 175, 55, 0.05);
    transform: translateY(-2px);
}

/* Títulos de Seção Padronizados */
.section-tag {
    color: var(--ouro);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    color: var(--branco);
    margin-bottom: 1.5rem;
}

.section-subtitle {
    color: var(--prata-escuro);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 4rem auto;
    font-weight: 300;
}

/* ==========================================================================
    4. CABEÇALHO (STICKY HEADER)
    ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 19, 43, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(224, 224, 224, 0.05);
    transition: var(--transicao);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-text {
    font-family: var(--fonte-titulo);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--branco);
}

.logo-text span {
    color: var(--ouro);
}

.logo-horizontal {
    position: relative;
    height: var(--size-logo-height);
    user-select: none;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--prata);
    transition: var(--transicao);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--ouro);
    transition: var(--transicao);
}

.nav-link:hover {
    color: var(--ouro);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-toggle span {
    width: 30px;
    height: 2px;
    background-color: var(--branco);
    transition: var(--transicao);
}

/* ==========================================================================
    5. HERO SECTION
    ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    background: radial-gradient(circle at 70% 30%, rgba(34, 46, 80, 0.4) 0%, rgba(11, 19, 43, 1) 70%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("../images/content/hero-landing-page-alpha-sirius.jpg") center/cover no-repeat;
    animation: panEffect 30s linear infinite alternate;
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-color: var(--bg-secundario);
    opacity: 0.85;
    z-index: 1;
}

@keyframes panEffect {
    from { background-position: center top; }
    to   { background-position: center bottom; }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero h1 {
    font-size: 3.8rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--branco) 30%, var(--prata-escuro));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--ouro) 30%, #F3E5AB);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.hero p {
    font-size: 1.2rem;
    color: var(--prata);
    margin-bottom: 2.5rem;
    font-weight: 300;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

/* Mockup Interativo do Home Assistant */
.hero-visual {
    position: relative;
    z-index: 2;
}

.ui-mockup {
    background: rgba(28, 37, 65, 0.6);
    border: 1px solid rgba(214, 175, 55, 0.15);
    border-radius: var(--borda-raio);
    padding: 1.5rem;
    box-shadow: var(--sombra);
    backdrop-filter: blur(20px);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.ui-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(220, 220, 220, 0.05);
    padding-bottom: 0.8rem;
}

.ui-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--ouro);
}

.ui-pulse {
    width: 8px;
    height: 8px;
    background-color: var(--ouro);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--ouro);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

.ui-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.ui-card {
    background: rgba(34, 46, 80, 0.8);
    border: 1px solid rgba(224, 224, 224, 0.05);
    padding: 1.2rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    transition: var(--transicao);
}

.ui-card.active {
    border-color: rgba(212, 175, 55, 0.3);
    background: linear-gradient(145deg, rgba(34, 46, 80, 0.9), rgba(28, 37, 65, 0.9));
}

.ui-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ui-icon {
    width: 36px;
    height: 36px;
    background: rgba(224, 224, 224, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--prata);
}

.active .ui-icon {
    background: rgba(212, 175, 55, 0.1);
    color: var(--ouro);
}

.ui-switch {
    width: 34px;
    height: 20px;
    background: rgba(224, 224, 224, 0.1);
    border-radius: 20px;
    position: relative;
}

.active .ui-switch::before {
    content: '';
    position: absolute;
    top: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    background: var(--ouro);
    border-radius: 50%;
}

.ui-card-info span {
    display: block;
    font-size: 0.75rem;
    color: var(--prata-escuro);
}

.ui-card-info p {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--branco);
    margin: 0;
}

/* ==========================================================================
    6. SEÇÃO: OBRA / CONSTRUÇÃO
    ========================================================================== */
.obra {
    background: var(--bg-secundario);
    position: relative;
}

.obra-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.obra-benefits {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.benefit-card {
    background: var(--bg-principal);
    border: 1px solid rgba(224, 224, 224, 0.03);
    padding: 2rem;
    border-radius: var(--borda-raio);
    transition: var(--transicao);
}

.benefit-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.2);
}

.benefit-icon {
    color: var(--ouro);
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    font-size: 0.85rem;
    color: var(--prata-escuro);
}

/* ==========================================================================
    7. SEÇÃO: MATRIZ DE COMPARAÇÃO CRÍTICA
    ========================================================================== */
.compare-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 2rem;
}

.compare-grid.triple {
    grid-template-columns: repeat(3, 1fr);
}

.compare-box {
    border-radius: var(--borda-raio);
    padding: 3rem;
    background: var(--bg-secundario);
    border: 1px solid rgba(224, 224, 224, 0.03);
}

.compare-box.premium {
    background: linear-gradient(145deg, var(--bg-secundario), rgba(34, 46, 80, 0.5));
    border: 1px solid rgba(212, 175, 55, 0.2);
    position: relative;
}

.compare-box.premium::before {
    content: 'RECOMENDADO';
    position: absolute;
    top: -12px;
    right: 30px;
    background: var(--ouro);
    color: var(--bg-principal);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 20px;
    letter-spacing: 0.1em;
}

.compare-box h3 {
    font-size: 1.6rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.compare-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.compare-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 0.95rem;
}

.compare-item .icon-status {
    margin-top: 4px;
    flex-shrink: 0;
}

.compare-item.negative {
    color: var(--prata-escuro);
}

.compare-item.positive {
    color: var(--branco);
}

/* ==========================================================================
    8. SEÇÃO: ECOSSISTEMA / CARD GRID
    ========================================================================== */
.solucoes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.solucao-card {
    background: var(--bg-secundario);
    border: 1px solid rgba(224, 224, 224, 0.03);
    border-radius: var(--borda-raio);
    padding: 2rem 1.5rem;
    transition: var(--transicao);
    position: relative;
    overflow: hidden;
}

.solucao-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--ouro);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transicao);
}

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

.solucao-card:hover::before {
    transform: scaleX(1);
}

.solucao-icon {
    color: var(--prata);
    margin-bottom: 1.5rem;
    transition: var(--transicao);
}

.solucao-card:hover .solucao-icon {
    color: var(--ouro);
    transform: scale(1.1);
}

.solucao-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ==========================================================================
    9. SEÇÃO: TIMELINE PROJETUAL
    ========================================================================== */
.processo {
    background: var(--bg-secundario);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 30px;
    height: 100%;
    width: 2px;
    background: rgba(224, 224, 224, 0.05);
}

.timeline-item {
    position: relative;
    margin-bottom: 4rem;
    padding-left: 80px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-num {
    position: absolute;
    left: 13px;
    top: 0;
    width: 36px;
    height: 36px;
    background: var(--bg-principal);
    border: 2px solid var(--ouro);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ouro);
    font-family: var(--fonte-titulo);
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 2;
}

.timeline-content {
    background: var(--bg-principal);
    padding: 2rem;
    border-radius: var(--borda-raio);
    border: 1px solid rgba(224, 224, 224, 0.03);
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--branco);
}

.timeline-content p {
    color: var(--prata-escuro);
    font-size: 0.95rem;
}

/* ==========================================================================
SEÇÃO CASES E PROJETOS (ESTILOS COMPLEMENTARES)
========================================================================== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.case-card {
    display: block;
    background: var(--bg-secundario);
    border-radius: var(--borda-raio);
    overflow: hidden;
    border: 1px solid rgba(224, 224, 224, 0.03);
    transition: var(--transicao);
}

.case-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9; /* Força a proporção horizontal perfeita em qualquer tela */
    overflow: hidden;
    background: #000;
}

.case-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Garante que a imagem preencha o espaço 16:9 sem distorcer */
    transition: var(--transicao);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 19, 43, 0.85); /* Fundo azul ultra profundo com opacidade */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transicao);
    border: 2px solid transparent;
}

.case-action {
    color: var(--ouro);
    font-family: var(--fonte-titulo);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transform: translateY(10px);
    transition: var(--transicao);
}

.case-info {
    padding: 1.8rem;
}

.case-info h3 {
    font-size: 1.2rem;
    color: var(--branco);
    margin-bottom: 0.8rem;
    transition: var(--transicao);
}

.case-info p {
    font-size: 0.9rem;
    color: var(--prata-escuro);
    line-height: 1.5;
    font-weight: 300;
}

/* ==========================================================================
EFEITOS DE HOVER (INTERATIVIDADE)
========================================================================== */
.case-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.2);
    box-shadow: var(--sombra);
}

.case-card:hover .case-thumb img {
    transform: scale(1.08); /* Efeito de zoom elegante na imagem */
}

.case-card:hover .case-overlay {
    opacity: 1;
    border-color: var(--ouro); /* Moldura dourada que surge no hover */
}

.case-card:hover .case-action {
    transform: translateY(0);
}

.case-card:hover .case-info h3 {
    color: var(--ouro); /* Título muda sutilmente para dourado */
}

/* ==========================================================================
    10. SEÇÃO: QUALIFICAÇÃO (PARA QUEM É)
    ========================================================================== */
.qualificacao-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.qualificacao-box {
    padding: 3rem;
    border-radius: var(--borda-raio);
}

.qualificacao-box.fit {
    background: rgba(34, 46, 80, 0.3);
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.qualificacao-box.unfit {
    background: rgba(28, 37, 65, 0.4);
    border: 1px solid rgba(224, 224, 224, 0.03);
}

.qualificacao-box h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.qualificacao-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.qualificacao-item {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 1rem;
}

.qualificacao-box.unfit .qualificacao-item {
    color: var(--prata-escuro);
}

/* ==========================================================================
    11. SEÇÃO: FAQ (ACORDEÃO ESTRUTURADO)
    ========================================================================== */
.faq {
    background: var(--bg-secundario);
}

.faq-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-principal);
    border-radius: var(--borda-raio);
    border: 1px solid rgba(224, 224, 224, 0.03);
    overflow: hidden;
    transition: var(--transicao);
}

.faq-trigger {
    width: 100%;
    padding: 1.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: var(--branco);
    font-family: var(--fonte-titulo);
    font-weight: 600;
    font-size: 1.05rem;
    text-align: left;
    cursor: pointer;
}

.faq-icon {
    color: var(--ouro);
    transition: var(--transicao);
    flex-shrink: 0;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    padding: 0 2rem;
    color: var(--prata);
    font-size: 0.95rem;
}

/* Classes de ativação do FAQ via JS */
.faq-item.active .faq-content {
    max-height: 1000px;
    transition: max-height 1s cubic-bezier(1, 0, 1, 0);
    padding-bottom: 1.8rem;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-item.active {
    border-color: rgba(212, 175, 55, 0.15);
}

/* ==========================================================================
    12. SEÇÃO: CTA FINAL IMPACTANTE
    ========================================================================== */
.cta-final {
    position: relative;
    background: linear-gradient(135deg, var(--bg-principal) 0%, var(--bg-secundario) 100%);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.cta-box {
    background: radial-gradient(circle at top right, rgba(34, 46, 80, 0.6), transparent);
    padding: 5rem 3rem;
    border-radius: calc(var(--borda-raio) * 2);
    border: 1px solid rgba(212, 175, 55, 0.15);
    max-width: 1000px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.cta-box p {
    font-size: 1.15rem;
    color: var(--prata);
    max-width: 650px;
    margin: 0 auto 3rem auto;
    font-weight: 300;
}

/* ==========================================================================
    13. RODAPÉ COMPLETO
    ========================================================================== */
.footer {
    background: #060B19;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid rgba(224, 224, 224, 0.02);
    font-size: 0.9rem;
    color: var(--prata-escuro);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    margin: 1rem 0 1.5rem 0;
    line-height: 1.5;
}

.footer-title {
    color: var(--branco);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(224, 224, 224, 0.03);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8rem;
}

.social-icons {
    margin-top: 1rem;
}

.social-icons a {
    display: inline-flex;
    transition: color 0.3s, transform 0.3s;
}

.social-icons a .icon {
    width: var(--size-social-icons);
    height: var(--size-social-icons);
    fill: var(--prata-escuro);
    margin: 0.3rem;
    transition: fill 0.3s, transform 0.3s;
}

.social-icons a:hover .icon {
    transform: scale(1.1);
    will-change: transform;
}

.social-icons a[aria-label="Instagram"]:hover .icon { fill: #E1306C; }
.social-icons a[aria-label="Facebook"]:hover  .icon { fill: #0866FF; }
.social-icons a[aria-label="YouTube"]:hover   .icon { fill: #FF0033; }
.social-icons a[aria-label="LinkedIn"]:hover  .icon { fill: #0A66C2; }
.social-icons a[aria-label="Email"]:hover     .icon { fill: #284668; }
.social-icons a[aria-label="WhatsApp"]:hover  .icon { fill: #25D366; }

.whatsapp{
    position:fixed;
    right:20px;
    bottom:20px;
    background:#25D366;
    color:white;
    padding:8px 8px;
    border-radius:999px;
    text-decoration:none;
    font-weight:bold;
    z-index: 999;
}

.btn-whats {
    width: var(--size-social-icons);
    height: var(--size-social-icons);
    fill: var(--branco);
    margin: 0.3rem;
    transition: fill 0.3s, transform 0.3s;
}

/* ==========================================================================
    14. RESPONSIVIDADE (MEDIA QUERIES COMPLETO)
    ========================================================================== */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3rem; }
    .hero-grid, .obra-grid, .compare-grid, .compare-grid.triple, .qualificacao-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    .hero-visual { max-width: 500px; margin: 0 auto; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem; }
    .cases-grid {
        grid-template-columns: 1fr; /* Vira uma coluna única em tablets e smartphones */
        gap: 2.5rem;
    }

    @keyframes panEffect {
        from { background-position: center left; }
        to   { background-position: center right; }
    }
}

@media (max-width: 768px) {
    .section-padding { padding: 5rem 0; }
    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: var(--bg-principal);
        flex-direction: column;
        align-items: center;
        padding: 4rem 2rem;
        transition: var(--transicao);
        z-index: 999;
    }
    .nav-menu.open { left: 0; }
    .menu-toggle { display: flex; }
    .hero h1 { font-size: 2.4rem; }
    .hero-actions { flex-direction: column; }
    .cta-box h2 { font-size: 2rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .obra-benefits { grid-template-columns: 1fr; }
}