/* ==========================================================================
   CSS LAYOUT — ESTRUTURA, CONTAINERS & GRIDS RESPONSIVOS
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1200px) {
  .container {
    padding-left: 2.5rem;
    padding-right: 2.5rem;
  }
}

/* Espaçamento Arquitetural de Seções */
.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
  z-index: 1;
}

@media (min-width: 960px) {
  .section {
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-4xl);
  }
}

/* Header Fixo Arquitetural */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  transition: background-color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.header--scrolled {
  background-color: rgba(10, 11, 13, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

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

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.header__brand-mark {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
}

.header__brand-mark svg {
  width: 18px;
  height: 18px;
}

.header__status {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-surface);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

@media (min-width: 900px) {
  .header__status {
    display: inline-flex;
  }
}

.header__nav {
  display: none;
}

@media (min-width: 840px) {
  .header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }
}

.header__link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease-out);
}

.header__link:hover {
  color: var(--accent-volt);
}

.header__cta-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Menu Mobile Trigger */
.header__mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
}

@media (min-width: 840px) {
  .header__mobile-toggle {
    display: none;
  }
}

/* Drawer de Navegação Mobile */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(10, 11, 13, 0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  gap: 1.75rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

.mobile-drawer.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-drawer__link {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mobile-drawer__link:hover {
  color: var(--accent-volt);
}

/* Cabeçalho de Seção Padronizado */
.section-header {
  margin-bottom: var(--space-2xl);
  max-width: 760px;
}

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

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-volt);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-secondary);
}

/* Grid do Método de Trabalho (4 Pilares) */
.method-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .method-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .method-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Vitrine Sticky de Serviços */
.services-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  position: relative;
}

@media (min-width: 960px) {
  .services-showcase {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
    gap: 4rem;
  }
}

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

.services-visual-wrap {
  position: relative;
}

@media (min-width: 960px) {
  .services-visual-wrap {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
  }
}

/* Layout do Simulador de Treino */
.simulator-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

@media (min-width: 960px) {
  .simulator-layout {
    grid-template-columns: 1.25fr 0.75fr;
    padding: 2.5rem;
    gap: 3.5rem;
  }
}

/* Bento Grid da Galeria de Fotos */
.gallery-bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  grid-auto-flow: dense;
}

@media (min-width: 640px) {
  .gallery-bento {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-bento {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
  }
  
  .gallery-item--featured {
    grid-column: span 2;
  }
}

/* Seção Sobre o Treinador */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 960px) {
  .about-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4.5rem;
  }
}

/* Rodapé */
.footer {
  background-color: #070709;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* Página 404 */
.page-error {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
}

.not-found {
  text-align: center;
  padding: 2rem;
}

.not-found__code {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 15vw, 9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--accent-volt);
  opacity: 0.25;
  margin-bottom: 1rem;
  display: block;
}

.not-found__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1rem;
}

.not-found__text {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
}