/* ===================================================
   ARTE & REFORMA ENGENHARIA — Stylesheet
   =================================================== */

/* ---------- RESET & BASE ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark:      #1c1c1e;
  --bg-card:      #252528;
  --bg-card2:     #2c2c30;
  --bg-section:   #202023;
  --accent:       #e8a020;
  --accent-dark:  #c4860f;
  --accent-light: #f5b845;
  --green-wpp:    #25d366;
  --green-wpp-d:  #1ebe5d;
  --text-main:    #f0f0f0;
  --text-muted:   #a0a0a8;
  --text-light:   #cfcfd4;
  --border:       rgba(255,255,255,0.07);
  --radius:       14px;
  --radius-sm:    8px;
  --shadow:       0 8px 40px rgba(0,0,0,0.4);
  --transition:   0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.highlight { color: var(--accent); }

/* ---------- SECTION TAG ---------- */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(232,160,32,0.12);
  border: 1px solid rgba(232,160,32,0.25);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-main);
}

.section-header p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto;
}

/* ---------- BUTTONS ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green-wpp);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 100px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
}
.btn-primary:hover {
  background: var(--green-wpp-d);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.45);
}
.btn-primary.btn-large {
  font-size: 1.05rem;
  padding: 18px 36px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-main);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 100px;
  border: 2px solid rgba(255,255,255,0.2);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(232,160,32,0.08);
  transform: translateY(-2px);
}

.wpp-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ---------- HEADER ---------- */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(28,28,30,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled {
  background: rgba(28,28,30,0.98);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 20px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(232,160,32,0.25));
}
.logo-img--footer {
  height: 40px;
  opacity: 0.85;
}
.logo-sub-eng {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 3.5px;
  color: var(--accent);
  text-transform: uppercase;
  align-self: flex-end;
  padding-bottom: 2px;
}
.amp { color: var(--accent); }

/* Nav */
.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover {
  color: var(--accent);
  background: rgba(232,160,32,0.08);
}

.header-wpp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-wpp);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 9px 18px;
  border-radius: 100px;
  transition: background var(--transition), transform var(--transition);
  flex-shrink: 0;
}
.header-wpp:hover { background: var(--green-wpp-d); transform: translateY(-1px); }
.header-wpp .wpp-icon { width: 16px; height: 16px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: 
    linear-gradient(135deg, #0f0f10 0%, #1c1c1e 40%, #252020 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(232,160,32,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(37,211,102,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(232,160,32,0.12);
  border: 1px solid rgba(232,160,32,0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%  { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-main);
  margin-bottom: 24px;
  max-width: 720px;
}
.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
}
.hero-scroll-indicator span {
  display: block;
  width: 2px; height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- SOBRE ---------- */
.sobre {
  padding: 100px 0;
  background: var(--bg-section);
}
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.sobre-text h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.25;
}
.sobre-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 0.97rem;
}
.sobre-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.stat-value {
  display: flex;
  align-items: baseline;
  gap: 2px;
  line-height: 1;
}
.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-suffix {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* sobre visual */
.sobre-visual {
  position: relative;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sobre-planta-wrap {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  animation: plantaFloat 6s ease-in-out infinite;
}
.sobre-planta-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  mix-blend-mode: lighten;
  filter: drop-shadow(0 4px 24px rgba(232,160,32,0.2));
  animation: plantaGlow 4s ease-in-out infinite;
}

@keyframes plantaFloat {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-12px); }
}

@keyframes plantaGlow {
  0%, 100% { filter: drop-shadow(0 4px 20px rgba(232,160,32,0.18)); }
  50% { filter: drop-shadow(0 6px 28px rgba(232,160,32,0.28)); }
}

@media (min-width: 900px) {
  .sobre-visual { height: 600px; }
  .sobre-planta-wrap { max-width: 680px; }
}

/* ---------- SERVIÇOS ---------- */
.servicos {
  padding: 100px 0;
  background: var(--bg-dark);
}
.servicos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.servico-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.servico-card:hover {
  transform: translateY(-6px);
  border-color: rgba(232,160,32,0.35);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.servico-card--full {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 28px;
  padding: 28px;
}
.servico-card--full p { flex: 1; margin: 0; }

.servico-img-wrap {
  width: calc(100% + 56px);
  margin: -36px -28px 20px -28px;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  height: 180px;
  flex-shrink: 0;
}
.servico-img-wrap--full {
  width: 220px;
  height: 150px;
  margin: 0;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.servico-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
  filter: brightness(0.85);
}
.servico-card:hover .servico-img {
  transform: scale(1.05);
  filter: brightness(0.95);
}

.servico-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}
.servico-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}
.servico-link {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green-wpp);
  margin-top: auto;
  transition: color var(--transition), letter-spacing var(--transition);
}
.servico-link:hover { color: var(--green-wpp-d); letter-spacing: 0.5px; }

/* ---------- DIFERENCIAIS ---------- */
.diferenciais {
  padding: 100px 0;
  background: var(--bg-section);
}
.diferenciais-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.diferencial {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}
.diferencial:hover {
  transform: translateY(-4px);
  border-color: rgba(232,160,32,0.3);
}
.dif-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.diferencial h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.diferencial p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- CTA ---------- */
.cta-section {
  padding: 80px 0;
  background: var(--bg-dark);
}
.cta-box {
  background: linear-gradient(135deg, rgba(232,160,32,0.12), rgba(37,211,102,0.08));
  border: 1px solid rgba(232,160,32,0.25);
  border-radius: 20px;
  padding: 70px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(232,160,32,0.12) 0%, transparent 70%);
}
.cta-box h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
  position: relative;
}
.cta-box p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  position: relative;
}

/* ---------- CONTATO ---------- */
.contato {
  padding: 100px 0;
  background: var(--bg-section);
}
.contato-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contato-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.contato-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.contato-wpp { border-color: rgba(37,211,102,0.2); }
.contato-wpp:hover { border-color: rgba(37,211,102,0.5); }
.contato-tel:hover { border-color: rgba(232,160,32,0.4); }
.contato-email:hover { border-color: rgba(100,150,255,0.4); }

.contato-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contato-icon svg { width: 26px; height: 26px; }
.contato-wpp .contato-icon { background: rgba(37,211,102,0.12); color: var(--green-wpp); }
.contato-tel .contato-icon { background: rgba(232,160,32,0.12); color: var(--accent); }
.contato-email .contato-icon { background: rgba(100,150,255,0.12); color: #6496ff; }

.contato-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.contato-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.contato-value {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.contato-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.contato-arrow {
  font-size: 1.1rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.contato-card:hover .contato-arrow { transform: translateX(4px); color: var(--accent); }

/* ---------- FOOTER ---------- */
.footer {
  background: #141416;
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ---------- WPP FLOAT ---------- */
.wpp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px; height: 60px;
  background: var(--green-wpp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  animation: bounceIn 1s 2s both;
}
.wpp-float svg { width: 32px; height: 32px; color: #fff; }
.wpp-float:hover {
  background: var(--green-wpp-d);
  transform: scale(1.1);
  box-shadow: 0 10px 32px rgba(37,211,102,0.65);
}
.wpp-float-tooltip {
  position: absolute;
  right: 72px;
  background: #1a1a1a;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  transform: translateX(8px);
}
.wpp-float:hover .wpp-float-tooltip {
  opacity: 1;
  transform: translateX(0);
}
@keyframes bounceIn {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* ---------- ANIMATE ON SCROLL ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .servicos-grid { grid-template-columns: repeat(2, 1fr); }
  .servico-card--full { grid-column: 1 / -1; }
  .diferenciais-grid { grid-template-columns: repeat(2, 1fr); }
  .contato-grid { grid-template-columns: 1fr; }
  .sobre-grid { gap: 50px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(28,28,30,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform var(--transition);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 12px 16px; border-radius: 10px; }
  .hamburger { display: flex; }
  .header-wpp { display: none; }

  .sobre-grid { grid-template-columns: 1fr; }
  .sobre-visual { height: 360px; }
  .sobre-stats { gap: 20px; }

  .servicos-grid { grid-template-columns: 1fr; }
  .servico-card--full { flex-direction: column; }

  .diferenciais-grid { grid-template-columns: 1fr; }

  .cta-box { padding: 44px 24px; }

  .contato-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .sobre-stats { flex-direction: column; gap: 16px; }
  .contato-card { flex-direction: column; text-align: center; align-items: center; }
  .contato-value { font-size: 0.85rem; }
}