/* ==========================================================================
   ESTILOS DE BASE & RESET
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-pergaminho);
  color: var(--color-charcoal);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(126, 140, 84, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(227, 83, 54, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(241, 233, 210, 0.5) 0%, transparent 80%);
  background-attachment: fixed;
}

/* Textura sutil de pergaminho de alta costura */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(42, 44, 36, 0.03) 1px, transparent 0);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: -1;
}

/* Tipografia de Base */
h1, h2, h3, h4, .font-serif-title {
  font-family: var(--font-serif-elegant);
  color: var(--color-charcoal);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.font-cinzel {
  font-family: var(--font-serif-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.font-script {
  font-family: var(--font-script);
  font-weight: normal;
}

p {
  color: var(--color-charcoal-light);
  font-size: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  outline: none;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container Principal */
.app-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Abas Horizontais com Animação de Transição Fluida */
.tab-viewport {
  position: relative;
  min-height: calc(100vh - 200px);
  padding-top: 140px; /* Espaço para áudio + menu cápsula */
  padding-bottom: 80px;
  overflow: hidden;
}

.tab-content {
  display: none;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.tab-content.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
  animation: tabFadeSlideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes tabFadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Utilitários de Estilo */
.badge-gold {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(198, 154, 57, 0.12);
  color: var(--color-gold-dark);
  border: 1px solid rgba(198, 154, 57, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-terracota {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-terracota-subtle);
  color: var(--color-terracota);
  border: 1px solid rgba(227, 83, 54, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-verde {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-verde-musgo-subtle);
  color: var(--color-verde-musgo-dark);
  border: 1px solid rgba(126, 140, 84, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.text-gold { color: var(--color-gold); }
.text-terracota { color: var(--color-terracota); }
.text-verde { color: var(--color-verde-musgo); }

/* Scrollbar Personalizada */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-pergaminho);
}

::-webkit-scrollbar-thumb {
  background: var(--color-verde-musgo-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-verde-musgo);
}