/* =========================================
   TERRAÇO ENGENHARIA E INCORPORAÇÕES
   Stylesheet principal
   ========================================= */

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

:root {
  --azul-marinho:  #0D1263;
  --azul-royal:    #2D3FD4;
  --azul-claro:    #4A5FE8;
  --branco:        #FFFFFF;
  --cinza-escuro:  #1A1A1A;
  --cinza-medio:   #555555;
  --cinza-claro:   #F4F6FA;
  --sombra:        0 4px 24px rgba(13,18,99,0.12);
  --radius:        8px;
  --transicao:     0.3s ease;
}

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

body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  color: var(--cinza-escuro);
  background: var(--branco);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--azul-royal);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--azul-marinho);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-title span { color: var(--azul-royal); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--cinza-medio);
  max-width: 560px;
  line-height: 1.7;
}

/* --- Botões --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transicao);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--azul-royal);
  color: var(--branco);
  box-shadow: 0 4px 20px rgba(45,63,212,0.35);
}
.btn-primary:hover {
  background: var(--azul-claro);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(45,63,212,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--branco);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--branco);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--branco);
  box-shadow: 0 4px 20px rgba(37,211,102,0.35);
}
.btn-whatsapp:hover {
  background: #1ebe5a;
  transform: translateY(-2px);
}

/* =========================================
   HEADER / NAV
   ========================================= */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transicao), box-shadow var(--transicao);
  padding: 0;
}

#header.scrolled {
  background: var(--azul-marinho);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  color: var(--branco);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0.85;
  transition: opacity var(--transicao);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--azul-claro);
  transition: width var(--transicao);
}

.nav-links a:hover { opacity: 1; }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: 10px 22px !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--branco);
  border-radius: 2px;
  transition: all var(--transicao);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =========================================
   HERO
   ========================================= */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--azul-marinho);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--azul-marinho) 50%, rgba(45,63,212,0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  padding: 6px 16px;
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #25D366;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--branco);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title .destaque {
  color: transparent;
  -webkit-text-stroke: 2px rgba(255,255,255,0.6);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  position: absolute;
  bottom: 48px; right: 0;
  z-index: 2;
  display: flex;
  gap: 2px;
}

.stat-card {
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px 28px;
  text-align: center;
  color: var(--branco);
}

.stat-card .number {
  font-size: 2rem;
  font-weight: 900;
  display: block;
  line-height: 1;
}

.stat-card .label {
  font-size: 0.75rem;
  opacity: 0.65;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}

@keyframes scrollAnim {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50% { transform: scaleY(0.6); opacity: 0.8; }
}

/* =========================================
   SOBRE
   ========================================= */
#sobre {
  padding: 100px 0;
  background: var(--branco);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sobre-img-wrapper {
  position: relative;
}

.sobre-img-main {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--sombra);
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #0D1263 0%, #2D3FD4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.sobre-img-main img {
  width: 100%;
  max-width: 380px;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  animation: logoFloat 5s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.sobre-anos-badge {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--azul-royal);
  color: var(--branco);
  border-radius: 12px;
  padding: 20px 24px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(45,63,212,0.4);
}

.sobre-anos-badge .num {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  display: block;
}

.sobre-anos-badge .txt {
  font-size: 0.75rem;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sobre-text { padding-left: 8px; }

.sobre-valores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 40px;
}

.valor-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.valor-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--cinza-claro);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--azul-royal);
  font-size: 1.1rem;
}

.valor-item h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--azul-marinho);
  margin-bottom: 2px;
}

.valor-item p {
  font-size: 0.82rem;
  color: var(--cinza-medio);
  line-height: 1.5;
}

/* =========================================
   SERVIÇOS
   ========================================= */
#servicos {
  padding: 100px 0;
  background: var(--cinza-claro);
}

.servicos-header {
  text-align: center;
  margin-bottom: 64px;
}

.servicos-header .section-subtitle {
  margin: 0 auto;
}

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.servico-card {
  background: var(--branco);
  border-radius: 16px;
  padding: 36px 28px;
  box-shadow: var(--sombra);
  transition: transform var(--transicao), box-shadow var(--transicao);
  position: relative;
  overflow: hidden;
}

.servico-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--azul-marinho), var(--azul-royal));
  transform: scaleX(0);
  transition: transform var(--transicao);
  transform-origin: left;
}

.servico-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(13,18,99,0.18);
}

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

.servico-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--azul-marinho), var(--azul-royal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--branco);
  margin-bottom: 20px;
}

.servico-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--azul-marinho);
  margin-bottom: 10px;
}

.servico-card p {
  font-size: 0.88rem;
  color: var(--cinza-medio);
  line-height: 1.65;
}

/* =========================================
   PORTFÓLIO
   ========================================= */
#portfolio {
  padding: 100px 0;
  background: var(--branco);
}

.portfolio-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 24px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.portfolio-card {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
  box-shadow: var(--sombra);
}

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

.portfolio-card:hover img { transform: scale(1.06); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,18,99,0.92) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  transition: background var(--transicao);
}

.portfolio-card:hover .portfolio-overlay {
  background: linear-gradient(to top, rgba(13,18,99,0.97) 0%, rgba(13,18,99,0.2) 55%);
}

.portfolio-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 6px;
}

.portfolio-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--branco);
  margin-bottom: 4px;
}

.portfolio-local {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* =========================================
   CONTATO
   ========================================= */
#contato {
  padding: 100px 0;
  background: var(--azul-marinho);
  position: relative;
  overflow: hidden;
}

#contato::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: rgba(45,63,212,0.25);
  pointer-events: none;
}

#contato::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(45,63,212,0.15);
  pointer-events: none;
}

.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.contato-texto .section-tag { color: rgba(255,255,255,0.65); }
.contato-texto .section-title { color: var(--branco); }
.contato-texto .section-subtitle { color: rgba(255,255,255,0.65); }

.contato-itens {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 40px;
}

.contato-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contato-item-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--branco);
  flex-shrink: 0;
}

.contato-item-text strong {
  display: block;
  color: var(--branco);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.contato-item-text span {
  color: rgba(255,255,255,0.65);
  font-size: 0.95rem;
  line-height: 1.5;
}

.contato-card {
  background: var(--branco);
  border-radius: 20px;
  padding: 48px 40px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.contato-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--azul-marinho);
  margin-bottom: 8px;
}

.contato-card p {
  color: var(--cinza-medio);
  font-size: 0.9rem;
  margin-bottom: 32px;
  line-height: 1.6;
}

.contato-card .btn {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 16px;
  margin-bottom: 12px;
}

.contato-card .btn-tel {
  background: var(--cinza-claro);
  color: var(--azul-marinho);
  font-weight: 700;
}

.contato-card .btn-tel:hover {
  background: #e8eaf6;
}

.contato-divider {
  text-align: center;
  color: var(--cinza-medio);
  font-size: 0.82rem;
  margin: 8px 0;
  position: relative;
}

/* =========================================
   FOOTER
   ========================================= */
#footer {
  background: #080d4a;
  padding: 48px 0 28px;
  color: rgba(255,255,255,0.55);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand img {
  height: 48px;
  margin-bottom: 16px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--branco);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transicao);
}

.footer-col ul li a:hover { color: var(--branco); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.55);
  transition: color var(--transicao);
}
.footer-bottom a:hover { color: var(--branco); }

/* =========================================
   WHATSAPP FLOAT
   ========================================= */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--branco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: transform var(--transicao), box-shadow var(--transicao);
  animation: floatIn 0.6s ease 1s both;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37,211,102,0.65);
}

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

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: var(--cinza-escuro);
  color: var(--branco);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transicao);
}

.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* =========================================
   RESPONSIVO
   ========================================= */
@media (max-width: 1024px) {
  .servicos-grid { grid-template-columns: repeat(2, 1fr); }
  .sobre-grid { gap: 48px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px; left: 0; right: 0;
    background: var(--azul-marinho);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transicao);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-links a { font-size: 1.1rem; }
  .nav-toggle { display: flex; }

  .hero-stats { display: none; }
  .hero-content { padding: 100px 0 60px; }
  .hero-title { font-size: 2.2rem; }

  .sobre-grid { grid-template-columns: 1fr; }
  .sobre-img-wrapper { order: -1; }
  .sobre-anos-badge { bottom: -16px; right: -8px; }

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

  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-header { flex-direction: column; align-items: flex-start; }

  .contato-grid { grid-template-columns: 1fr; gap: 48px; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .servicos-grid { grid-template-columns: 1fr; }
  .sobre-valores { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}