/*
Theme Name: Wace Linear
Theme URI: https://wace.com.br
Author: Wace
Author URI: https://wace.com.br
Description: Custom Linear-style dark theme for Wace Blog — v2 with Gutenberg overrides, accessibility, SEO and performance fixes.
Version: 2.0.0
Text Domain: wace-linear
*/

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --bg-main: #0a0a0b;
  --bg-surface: #111113;
  --bg-surface-hover: #161619;
  --border-color: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(255, 255, 255, 0.14);
  --text-primary: #f5f5f5;
  --text-secondary: rgba(255, 255, 255, 0.7);
  /* bumped from 0.64 for WCAG AA */
  --text-tertiary: rgba(255, 255, 255, 0.5);
  /* bumped from 0.4 for readability */
  --accent: #FFEE58;
  --accent-hover: #FDD835;
  --accent-glow: rgba(255, 238, 88, 0.08);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== GUTENBERG BLOCK OVERRIDES (Critical for dark mode) ===== */
body .is-layout-constrained> :where(:not(.alignleft):not(.alignright):not(.alignfull)) {
  margin-left: auto !important;
  margin-right: auto !important;
}

.wp-block-paragraph,
.wp-block-heading,
.wp-block-list,
.wp-block-quote,
.wp-block-code,
.wp-block-preformatted,
.wp-block-table,
.wp-block-image,
.wp-block-separator,
.wp-block-spacer,
.wp-block-columns,
.wp-block-group,
.wp-block-cover {
  color: inherit;
  background: transparent;
}

.wp-block-separator {
  border-color: var(--border-color);
  opacity: 1;
}

.has-global-padding {
  padding-left: 0;
  padding-right: 0;
}

.wp-site-blocks {
  padding: 0;
}

/* ===== BASE ===== */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.65;
  font-weight: 400;
  /* bumped from 300 — too thin for dark mode */
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ===== ACCESSIBILITY: Focus states ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.site-header {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 56px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(10, 10, 11, 0.85);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.site-title a {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-title .site-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
}

.header-nav a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.header-nav a:hover {
  color: var(--text-primary);
}

/* ===== POST GRID (Home) ===== */
.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 80px;
}

/* ===== FEATURED POST (Hero) ===== */
.featured-post {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.featured-post:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-hover);
}

.featured-image-wrap {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.featured-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.featured-post:hover .featured-image-wrap img {
  transform: scale(1.03);
}

.placeholder-img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  background: linear-gradient(135deg, var(--bg-surface) 0%, #1a1a1e 100%);
}

.featured-content {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-title {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.featured-excerpt {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 24px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.post-date {
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.reading-time {
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 500;
}

.meta-sep {
  color: var(--text-tertiary);
}

/* ===== STANDARD POST CARD ===== */
.post-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.post-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-hover);
}

.card-image-wrap {
  overflow: hidden;
}

.card-image-wrap img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .card-image-wrap img {
  transform: scale(1.03);
}

.card-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 10px;
}

.card-excerpt {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== SINGLE POST ===== */
.single-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.single-header {
  margin-bottom: 40px;
}

.single-title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.single-meta {
  color: var(--text-tertiary);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

.single-featured-image {
  margin-bottom: 48px;
  border-radius: var(--radius);
  overflow: hidden;
}

/* ===== INLINE CTA (before fold) ===== */
.cta-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--accent-glow);
  border: 1px solid rgba(255, 238, 88, 0.15);
  border-radius: 8px;
  padding: 14px 20px;
  margin-bottom: 40px;
  font-size: 14px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.cta-inline .cta-icon {
  font-size: 18px;
}

.cta-inline a {
  color: var(--accent);
  font-weight: 600;
  margin-left: auto;
  white-space: nowrap;
}

.cta-inline a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ===== SINGLE CONTENT (Gutenberg-aware) ===== */
.single-content {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 64px;
  line-height: 1.75;
}

.single-content h1,
.single-content h2,
.single-content h3,
.single-content h4,
.single-content h5,
.single-content h6,
.single-content .wp-block-heading {
  color: var(--text-primary);
  font-weight: 600;
  margin: 48px 0 20px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.single-content p,
.single-content .wp-block-paragraph {
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.single-content a {
  color: var(--accent);
  text-decoration-line: underline;
  text-decoration-color: rgba(255, 238, 88, 0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition), color var(--transition);
}

.single-content a:hover {
  color: var(--accent-hover);
  text-decoration-color: var(--accent-hover);
}

.single-content blockquote,
.single-content .wp-block-quote {
  border-left: 3px solid var(--accent) !important;
  background-color: var(--bg-surface) !important;
  color: var(--text-secondary) !important;
  padding: 24px 28px !important;
  margin: 36px 0 !important;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: normal;
}

.single-content ul,
.single-content ol,
.single-content .wp-block-list {
  padding-left: 24px;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.single-content li {
  margin-bottom: 8px;
}

.single-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.single-content code {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* ===== BOTTOM CTA ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(255, 238, 88, 0.03) 100%);
  border: 1px solid rgba(255, 238, 88, 0.2);
  border-radius: var(--radius);
  padding: 40px 36px;
  text-align: center;
  margin-bottom: 64px;
}

.cta-headline {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.cta-sub {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 24px;
}

.cta-button {
  display: inline-block;
  background-color: var(--accent);
  color: #0a0a0b !important;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: background-color var(--transition), transform var(--transition);
}

.cta-button:hover {
  background-color: var(--accent-hover);
  color: #0a0a0b !important;
  transform: translateY(-1px);
}



/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .site-header {
    margin-bottom: 32px;
  }

  .post-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .featured-post {
    grid-template-columns: 1fr;
  }

  .featured-content {
    padding: 28px 24px;
  }

  .featured-title {
    font-size: 22px;
  }

  .single-header {
    margin-bottom: 28px;
  }

  .cta-inline {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-inline a {
    margin-left: 0;
    margin-top: 8px;
  }

  .cta-banner {
    padding: 28px 20px;
  }

  .site-header .container {
    flex-direction: row;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .featured-title {
    font-size: 20px;
  }

  .card-title {
    font-size: 17px;
  }
}


/* Related Posts Block */
.related-posts {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.related-title {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}


/* Breadcrumbs & Meta (E-E-A-T) */
.rank-math-breadcrumb {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
}

.rank-math-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

.rank-math-breadcrumb a:hover {
  color: var(--accent);
}

.meta-author {
  color: var(--text-secondary);
  font-weight: 500;
}

.post-modified {
  font-style: italic;
  color: var(--text-tertiary);
}

/* Author Box (E-E-A-T) */
.author-box {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  margin-top: 3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.author-avatar img {
  border-radius: 50%;
  width: 80px;
  height: 80px;
  border: 2px solid var(--border-hover);
}

.author-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.author-bio {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

@media (max-width: 600px) {
  .author-box {
    flex-direction: column;
    text-align: center;
  }
}


/* Pagination */
.pagination-container {
    margin: 5rem 0 3rem;
    text-align: center;
}
.nav-links {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.nav-links a, 
.nav-links span {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    background: var(--bg-surface);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}
.nav-links a:hover {
    background: var(--bg-surface-hover);
    border-color: var(--border-hover);
    color: var(--accent);
}
.nav-links .current {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}
.nav-links .dots {
    background: transparent;
    border-color: transparent;
}

/* ===== NEW MODERN FOOTER ===== */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
  margin-top: 64px;
  background-color: var(--bg-main);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
  text-align: left;
}

.footer-brand .footer-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.footer-brand .footer-desc {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
  max-width: 300px;
}

.footer-col-title {
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 24px;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 14px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}