/* ==========================================================================
   Uni Cris Acessórios — Design System & Main Styles (Método COPY v14)
   Tema 1B: Light Premium "Creme & Ouro"
   ========================================================================== */

:root {
  /* Cores Principais do Tema 1B */
  --bg-page: #F4EFE4;
  --bg-card-container: #FBF8F1;
  --bg-card-surface: rgba(255, 255, 255, 0.94);
  --bg-card-surface-elevated: #FFFFFF;

  /* Tinta & Tipografia */
  --color-ink: #2B251C;              /* 14.3:1 contraste sobre fundo creme */
  --color-ink-secondary: #6B6357;    /* 5.58:1 contraste sobre fundo creme */
  --color-ink-tertiary: #9E9589;

  /* Paleta de Joalheria (Derivada da Logo Oficial) */
  --color-gold-func: #86672E;        /* Dourado funcional com 4.96:1 AA sobre creme */
  --color-gold-deco: #C9A86A;        /* Dourado decorativo joia */
  --color-gold-light: #E8DCBE;
  --color-gold-glow: rgba(201, 168, 106, 0.28);
  --color-salvia: #8C9B7A;           /* Verde sálvia da marca */
  --color-salvia-light: #EBF0E7;

  /* Bordas & Sombras Quentes */
  --border-subtle: rgba(43, 37, 28, 0.08);
  --border-gold-subtle: rgba(201, 168, 106, 0.35);
  --border-gold-hover: rgba(134, 103, 46, 0.45);
  
  --shadow-sm: 0 2px 6px rgba(43, 37, 28, 0.04);
  --shadow-md: 0 8px 24px rgba(43, 37, 28, 0.07), 0 2px 6px rgba(43, 37, 28, 0.04);
  --shadow-lg: 0 16px 40px rgba(43, 37, 28, 0.09), 0 4px 12px rgba(43, 37, 28, 0.05);
  --shadow-floating: 0 24px 60px rgba(43, 37, 28, 0.12), 0 6px 18px rgba(43, 37, 28, 0.06);

  /* Tipografia Whitelist Personalidade B */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Geometria & Transições */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-pill: 9999px;
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.18s var(--ease-spring);
  --transition-normal: 0.28s var(--ease-spring);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-page);
  color: var(--color-ink);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--color-ink);
  min-height: 100vh;
  line-height: 1.5;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   0. Skip-Link Acessível (Invisível normal, revelado via Tab)
   ========================================================================== */
.skip-link {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translate(-50%, -180%);
  background: var(--color-gold-func);
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 9999;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, outline-offset 0.1s;
  pointer-events: none;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translate(-50%, 0);
  pointer-events: auto;
  outline: 3px solid var(--color-ink);
  outline-offset: 3px;
}

/* ==========================================================================
   Backdrop Ambiente (3 Camadas: Foto Desfocada + Véu Creme + Orbes Dourados)
   ========================================================================== */
.backdrop-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.backdrop-image {
  position: absolute;
  top: -5%;
  left: -5%;
  width: 110%;
  height: 110%;
  object-fit: cover;
  filter: blur(28px) saturate(1.1);
  opacity: 0.42;
  transform: scale(1.08);
}

.backdrop-veil {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(244, 239, 228, 0.70) 0%, rgba(244, 239, 228, 0.95) 85%);
}

.backdrop-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.backdrop-orb--top {
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--color-gold-glow) 0%, rgba(201, 168, 106, 0) 70%);
  opacity: 0.75;
}

.backdrop-orb--bottom {
  bottom: 10%;
  right: 15%;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(140, 155, 122, 0.22) 0%, rgba(140, 155, 122, 0) 70%);
  opacity: 0.55;
}

/* ==========================================================================
   Canvas Central (Mobile: 440px / Desktop: Cartão Flutuante)
   ========================================================================== */
.canvas-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 24px 18px 40px;
  display: flex;
  flex-direction: column;
}

/* Desktop Cartão Flutuante (≥600px) */
@media (min-width: 600px) {
  body {
    padding: 40px 20px;
    align-items: center;
  }

  .canvas-wrapper {
    min-height: auto;
    background: var(--bg-card-container);
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 28px;
    box-shadow: var(--shadow-floating);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 36px 26px 44px;
    margin: auto;
  }
}

/* Redução de Movimento Acessível */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}