/**
 * VINICIUS UITUKE | ENGENHEIRO CIVIL
 * Layout, Header, Seções e Rodapé
 */

/* Contêineres */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* Espaçamento de Seções */
.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
}

.section-white {
  background-color: var(--color-white);
}

.section-dark {
  background-color: var(--color-primary-black);
  color: var(--color-text-on-dark);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: var(--color-text-on-dark-muted);
}

/* Cabeçalhos de Seção Padronizados */
.section-header {
  margin-bottom: var(--space-2xl);
}

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

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-copper-dark);
  margin-bottom: var(--space-sm);
}

.section-dark .section-tag {
  color: var(--color-copper-light);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-md);
  max-width: 680px;
  line-height: 1.6;
}

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* Header Fixo */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(245, 243, 239, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  z-index: 1000;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(20, 20, 20, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Marca Tipográfica e Monograma no Header */
.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.brand-monogram-img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: clamp(0.95rem, 0.85rem + 0.5vw, 1.2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary-black);
  line-height: 1.1;
}

.brand-subtitle {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-copper-dark);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Navegação Desktop */
.site-nav {
  display: flex;
  align-items: center;
}

.site-nav ul {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: clamp(0.75rem, 1.2vw, 1.35rem);
  white-space: nowrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav .mobile-cta-item {
  display: none;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-main);
  padding: var(--space-xs) 0;
  position: relative;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-primary-black);
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Botão Hamburguer Mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary-black);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Rodapé */
.site-footer {
  background-color: var(--color-primary-black);
  color: var(--color-text-on-dark);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-top: 2px solid var(--color-copper);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border-dark);
}

.footer-logo-img {
  max-width: 220px;
  height: auto;
  margin-bottom: var(--space-sm);
}

.footer-brand .brand-title {
  color: var(--color-white);
  font-size: 1.35rem;
}

.footer-brand .brand-subtitle {
  color: var(--color-copper-light);
}

.footer-tagline {
  color: var(--color-text-on-dark-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-sm);
  max-width: 380px;
}

.footer-locations {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-copper-light);
  margin-bottom: var(--space-md);
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  font-size: var(--text-xs);
  color: var(--color-text-on-dark-muted);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.crea-tag {
  display: inline-block;
  padding: 2px 8px;
  background-color: var(--color-dark-elevated);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  color: var(--color-text-on-dark-muted);
  font-size: var(--text-xs);
}