/* ==========================================================
   THONUS Engenharia — Folha de estilos principal
   Tipografia: Inter (corpo) + Barlow Condensed (títulos)
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── Variáveis ─────────────────────────────────────────── */
:root {
  --color-primary:    #1e8fd5;
  --color-primary-dark: #1570a8;
  --color-dark:       #2d3338;
  --color-darker:     #1a1d20;
  --color-bg:         #ffffff;
  --color-bg-alt:     #f5f6f7;
  --color-text:       #2d3338;
  --color-text-muted: #6b7280;
  --color-border:     #e5e7eb;
  --color-white:      #ffffff;

  --font-body:    'Inter', sans-serif;
  --font-title:   'Barlow Condensed', sans-serif;

  --radius:       4px;
  --radius-card:  8px;
  --transition:   0.25s ease;
  --shadow:       0 2px 16px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 32px rgba(30,143,213,0.15);

  --max-width:    1180px;
  --section-pad:  96px 24px;
  --section-pad-sm: 64px 24px;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Container ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Tipografia ────────────────────────────────────────── */
.heading-xl {
  font-family: var(--font-title);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.5px;
  text-transform: lowercase;
}
.heading-lg {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  text-transform: lowercase;
}
.heading-md {
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  text-transform: lowercase;
}
.heading-sm {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 600;
  text-transform: lowercase;
}
.label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.text-muted { color: var(--color-text-muted); }

/* ── Botões ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(30,143,213,0.35);
}
.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 600;
}
.btn-white:hover {
  background: var(--color-bg-alt);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.btn-dark {
  background: var(--color-darker);
  color: var(--color-white);
}
.btn-dark:hover { background: #222528; }

/* ── Header / Navbar ────────────────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,0.09); }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-dark);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--color-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-cta {
  margin-left: 16px;
}
/* hamburguer */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Espaçador do header ────────────────────────────────── */
.header-spacer { height: 68px; }

/* ── Hero principal ─────────────────────────────────────── */
.hero {
  background: var(--color-darker);
  color: var(--color-white);
  padding: 120px 24px 100px;
  min-height: 88vh;
  display: flex;
  align-items: center;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}
.hero .label { color: var(--color-primary); margin-bottom: 24px; }
.hero .heading-xl { color: var(--color-white); max-width: 780px; margin-bottom: 28px; }
.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  margin-bottom: 44px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-line {
  width: 60px; height: 3px;
  background: var(--color-primary);
  margin-bottom: 32px;
}

/* ── Hero interno (páginas internas) ─────────────────────── */
.hero-inner-page {
  background: var(--color-darker);
  color: var(--color-white);
  padding: 80px 24px 64px;
}
.hero-inner-page .container { max-width: var(--max-width); }
.hero-inner-page .label { color: var(--color-primary); margin-bottom: 16px; }
.hero-inner-page .heading-lg { color: var(--color-white); }

/* ── Seções ─────────────────────────────────────────────── */
.section { padding: var(--section-pad); }
.section-alt { background: var(--color-bg-alt); }
.section-dark { background: var(--color-darker); color: var(--color-white); }
.section-primary { background: var(--color-primary); color: var(--color-white); }

.section-header { margin-bottom: 56px; }
.section-header .label { display: block; margin-bottom: 12px; }
.section-header .heading-lg { max-width: 640px; }
.section-header p {
  margin-top: 16px;
  color: var(--color-text-muted);
  max-width: 560px;
  font-size: 1rem;
  line-height: 1.75;
}
.section-dark .section-header p { color: rgba(255,255,255,0.55); }
.section-dark .heading-lg { color: var(--color-white); }

/* ── Cards de serviço / diferenciais ────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.card-icon {
  width: 48px; height: 48px;
  margin-bottom: 24px;
  color: var(--color-primary);
}
.card-title {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 700;
  text-transform: lowercase;
  margin-bottom: 12px;
}
.card-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.section-alt .card { background: var(--color-white); }

/* ── Bloco BIM ──────────────────────────────────────────── */
.bim-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.bim-visual {
  aspect-ratio: 4/3;
  background: var(--color-bg-alt);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border: 1px dashed var(--color-border);
  text-align: center;
  padding: 24px;
  /* Substitua por: <img src="assets/images/bim-render.jpg" alt="Modelo BIM 3D"> */
}
.bim-content .label { margin-bottom: 16px; }
.bim-content .heading-lg { margin-bottom: 20px; }
.bim-content p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.bim-content .btn { margin-top: 16px; }

/* ── Clientes grid ──────────────────────────────────────── */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}
.client-logo {
  aspect-ratio: 3/2;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: border-color var(--transition), transform var(--transition);
  padding: 16px;
  /* Substitua o conteúdo interno por: <img src="assets/images/cliente-nome.png" alt="Nome do cliente"> */
}
.client-logo:hover {
  border-color: var(--color-primary);
  transform: scale(1.02);
}
.client-logo img {
  width: 100%;
  max-height: 60px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: filter var(--transition);
}
.client-logo:hover img { filter: grayscale(0%); }

/* ── CTA block ──────────────────────────────────────────── */
.cta-block {
  text-align: center;
  padding: var(--section-pad);
}
.cta-block .heading-lg { margin-bottom: 16px; }
.cta-block p {
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
  font-size: 1rem;
}
.section-primary .cta-block p { color: rgba(255,255,255,0.85); }

/* ── Portfólio grid ─────────────────────────────────────── */
.portfolio-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: 24px;
  border: 1px solid var(--color-border);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg);
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.project-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: box-shadow var(--transition), transform var(--transition);
}
.project-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.project-thumb {
  aspect-ratio: 16/10;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 16px;
  position: relative;
  overflow: hidden;
  /* Substitua por: <img src="assets/images/projeto-nome.jpg" alt="Nome do projeto"> */
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-thumb img { transform: scale(1.04); }
.project-thumb-label {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--color-primary);
  color: white;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
}
.project-info { padding: 24px; }
.project-name {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: lowercase;
  margin-bottom: 6px;
}
.project-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ── Sobre — time ────────────────────────────────────────── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.team-card {
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 36px 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.team-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  border: 2px dashed var(--color-border);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  text-align: center;
  /* Substitua por: <img src="assets/images/membro-nome.jpg" alt="Nome"> */
}
.team-name {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.team-role {
  font-size: 0.82rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* ── Valores ─────────────────────────────────────────────── */
.valores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.valor-item {
  border-left: 3px solid var(--color-primary);
  padding-left: 20px;
}
.valor-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: lowercase;
  margin-bottom: 8px;
}
.valor-text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Contato ─────────────────────────────────────────────── */
.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contato-info .heading-lg { margin-bottom: 24px; }
.contato-info p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 32px;
}
.contato-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}
.contato-detail-icon {
  width: 40px; height: 40px;
  background: rgba(30,143,213,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contato-detail-text small {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}
.contato-detail-text strong {
  font-size: 0.95rem;
  font-weight: 500;
}
.contato-cta-box {
  background: var(--color-darker);
  border-radius: var(--radius-card);
  padding: 40px;
  text-align: center;
  color: var(--color-white);
}
.contato-cta-box .heading-md { color: var(--color-white); margin-bottom: 12px; }
.contato-cta-box p {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  margin-bottom: 28px;
  line-height: 1.7;
}
.social-links {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}
.social-link {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.social-link svg { width: 18px; height: 18px; }

/* ── Formulário de contato ───────────────────────────────── */
.contact-form {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--color-text-muted);
}
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,143,213,0.15);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-honeypot {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}
.contact-form .btn { align-self: flex-start; }
.contact-form .btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-status {
  font-size: 0.88rem;
  font-weight: 500;
  min-height: 1.2em;
}
.form-status-success { color: #1a8f4c; }
.form-status-error { color: #c0392b; }

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Stat números ────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  padding: 56px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* ── Parceiro highlight ──────────────────────────────────── */
.parceiro-highlight {
  background: rgba(30,143,213,0.08);
  border: 1px solid rgba(30,143,213,0.2);
  border-radius: var(--radius-card);
  padding: 40px;
  margin-top: 48px;
}

/* ── WhatsApp flutuante ─────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
}
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--color-darker);
  color: rgba(255,255,255,0.6);
  padding: 56px 24px 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 32px;
}
.footer-brand img { height: 32px; margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 300px;
}
.footer-col h4 {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--color-primary); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.78rem;
}
.footer-bottom .social-links a {
  border-color: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.4);
}
.footer-bottom .social-links a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ── Animações scroll ────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ── Divisor ─────────────────────────────────────────────── */
.divider {
  width: 48px; height: 3px;
  background: var(--color-primary);
  margin-bottom: 24px;
}

/* ── Menu mobile (escondido por padrão em qualquer largura) ── */
.mobile-menu { display: none; }

/* ── Responsive — tablet (≤ 1024px) ─────────────────────── */
@media (max-width: 1024px) {
  .bim-block { grid-template-columns: 1fr; gap: 40px; }
  .contato-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

/* ── Responsive — mobile (≤ 768px) ──────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-pad: 64px 20px;
    --section-pad-sm: 48px 20px;
  }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  /* menu mobile aberto */
  .mobile-menu {
    display: none;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
    flex-direction: column;
    gap: 20px;
    z-index: 999;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark);
    padding: 4px 0;
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition);
  }
  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu a:hover { color: var(--color-primary); }
  .mobile-menu .btn { text-align: center; justify-content: center; }

  .hero { min-height: auto; padding: 80px 20px 64px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }

  .cards-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .bim-visual { display: none; }
  .team-grid { grid-template-columns: 1fr; }
  .valores-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* ── Utilitários ─────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.gap-4 { gap: 16px; }