/* ==========================================================================
   COMPONENTS — INSTITUTO AMUSI (AWWARDS STYLE)
   ========================================================================== */

/* --- HEADER FLUTUANTE (GLASSMORPHISM) --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  padding: 0.75rem 0;
  background: rgba(8, 14, 33, 0.85);
  backdrop-filter: var(--blur-header);
  -webkit-backdrop-filter: var(--blur-header);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

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

/* Brand / Logo */
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-emblem {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.brand-emblem img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-link:hover .brand-emblem {
  transform: rotate(15deg) scale(1.05);
  border-color: var(--color-accent);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.brand-title span.accent-dot {
  color: var(--color-accent);
}

.brand-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  font-weight: 600;
}

/* Menu Desktop */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 27, 56, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(12px);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-pill);
  position: relative;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: #FFFFFF;
  background: rgba(255, 90, 54, 0.18);
  border: 1px solid var(--border-accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Botão Hamburger Mobile */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}

/* --- BOTÕES INSTITUCIONAIS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-pill);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 90, 54, 0.5);
  color: #FFFFFF;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-navy-950);
  font-weight: 800;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.35);
}

.btn-gold:hover {
  background: #E5C07B;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
  color: var(--color-navy-950);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: var(--text-base);
}

.btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(4px);
}

/* --- CARDS & GRID EDITORIAL --- */
.card-awwwards {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  backdrop-filter: var(--blur-card);
  -webkit-backdrop-filter: var(--blur-card);
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.card-awwwards::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.card-awwwards:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* --- MODAL DE AUDITORIA & INSCRIÇÃO --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 8, 17, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  width: 100%;
  max-width: 820px;
  max-height: 90vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-spring);
}

.modal-overlay.is-active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(11, 19, 43, 0.6);
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  background: rgba(11, 19, 43, 0.6);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-accent);
  color: #FFFFFF;
  transform: rotate(90deg);
}

/* --- FOOTER INSTITUCIONAL --- */
.site-footer {
  background: var(--color-navy-950);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-lg);
  margin-top: var(--space-3xl);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .brand-link {
  margin-bottom: var(--space-md);
}

.footer-manifesto {
  color: var(--text-muted);
  font-size: var(--text-sm);
  max-width: 360px;
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.footer-nav-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-link:hover {
  color: var(--color-accent);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Menu Mobile Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 8, 17, 0.96);
  backdrop-filter: blur(25px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 6vw, 2.5rem);
  font-weight: 700;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--color-accent);
}

/* Responsividade Header/Footer */
@media (max-width: 992px) {
  .nav-menu {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}