/**
 * Imóveis Aurum Blog - Global Stylesheet
 * Integrates typography, layout, normalization, reset, and base rules
 */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');
@import "./variables.css";

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--color-bg);
  color: var(--color-text-main);
}

main {
  flex: 1 0 auto;
}

/* Accessible Focus States */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* Headings Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-text-heading);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2rem, 4vw + 1rem, 3.25rem);
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.6rem, 2.5vw + 0.8rem, 2.25rem);
  line-height: 1.25;
}

h3 {
  font-size: clamp(1.25rem, 1.8vw + 0.5rem, 1.6rem);
  line-height: 1.35;
}

h4 {
  font-size: 1.2rem;
  line-height: 1.4;
}

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-reading {
  width: 100%;
  max-width: var(--container-reading);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Editorial Separators & Rules */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-12) 0;
}

.divider-subtle {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-8) 0;
}

/* Category & Metadata Typography (Strict Zero-Pill) */
.meta-kicker {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: var(--text-xs);
  color: var(--color-text-caption);
}

.meta-dot {
  color: var(--color-border);
  font-size: 0.85rem;
  user-select: none;
}

/* Primary & Secondary Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  white-space: nowrap;
  line-height: 1;
}

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

.btn-primary:hover {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: #FFFFFF;
}

.btn-gold {
  background-color: var(--color-gold);
  color: #FFFFFF;
  border: 1px solid var(--color-gold);
}

.btn-gold:hover {
  background-color: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
  color: #FFFFFF;
}

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

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

.btn-link {
  padding: 0;
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-link:hover {
  color: var(--color-gold);
}

.btn-link svg {
  transition: transform var(--transition-fast);
}

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

/* Subtle Section Header */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  font-size: var(--text-2xl);
  font-family: var(--font-serif);
  color: var(--color-text-heading);
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 0.35rem;
}

/* Reading Progress Bar (Top of viewport) */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-gold), #D4AF37);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* Toast Notification for share feedback */
.aurum-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--color-gold);
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  z-index: 9999;
}

.aurum-toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}