/* ========================================
   ERA - E-commerce de Moda
   Estilos Globais
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Piazzolla:wght@300;400;500;600;700&family=Instrument+Sans:wght@400;500;600;700&display=swap');

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

/* Variáveis */
:root {
  --primary: #80AA8D;
  --primary-dark: #6B9478;
  --secondary: #2D3E46;
  --accent: #C4A87C;
  --accent-dark: #B09568;
  --background: #F5F3EF;
  --surface: #FFFFFF;
  --text: #1A1A1A;
  --text-light: #6B6B6B;
  --text-lighter: #999999;
  --border: #E5E2DC;
  --error: #D64545;
  --success: #80AA8D;
  --overlay: rgba(0, 0, 0, 0.5);

  --font-heading: 'Piazzolla', serif;
  --font-body: 'Instrument Sans', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --transition: 0.3s ease;
  --max-width: 1400px;
}

/* Base */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background-color: var(--background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

a:hover {
  color: var(--primary);
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: inherit;
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Utilitários */
.section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
  letter-spacing: 0.05em;
}

.section-header p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.text-center { text-align: center; }
.text-uppercase { text-transform: uppercase; }
.letter-spacing { letter-spacing: 0.15em; }

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--secondary);
  color: var(--surface);
}

.btn-primary:hover {
  background-color: var(--primary);
  color: var(--surface);
}

.btn-secondary {
  background-color: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background-color: var(--secondary);
  color: var(--surface);
}

.btn-accent {
  background-color: var(--primary);
  color: var(--surface);
}

.btn-accent:hover {
  background-color: var(--primary-dark);
  color: var(--surface);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 1rem 3rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* Grid */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
}

.badge-new {
  background-color: var(--secondary);
  color: var(--surface);
}

.badge-sale {
  background-color: var(--error);
  color: var(--surface);
}

.badge-sold-out {
  background-color: var(--text-lighter);
  color: var(--surface);
}

.badge-free-shipping {
  background-color: var(--primary);
  color: var(--surface);
}

/* Animações */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--text-lighter);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-light);
}

/* Selection */
::selection {
  background-color: var(--primary);
  color: var(--surface);
}

/* ---- LOADING SCREEN ---- */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--surface);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-logo {
  width: 120px;
  margin-bottom: 1.5rem;
  animation: loadingPulse 1.5s ease-in-out infinite;
}

.loading-bar {
  width: 100px;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.loading-bar::after {
  content: '';
  display: block;
  width: 40%;
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  animation: loadingSlide 1s ease-in-out infinite;
}

@keyframes loadingPulse {
  0%, 100% { opacity: 0.6; transform: scale(0.97); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes loadingSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}