/*
Theme Name:   AI Образование Pro
Theme URI:    https://ai.obrazovaniebg.com/
Description:  Професионален child theme за Astra за сайта „AI за образование в България“. Модерна типография, AI акценти в индиго и циан, карти с hover ефект, изчистени бутони, FAQ и футър.
Author:       AI за образование в България
Template:     astra
Version:      1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License:      GPL-2.0-or-later
License URI:  https://www.gnu.org/licenses/gpl-2.0.html
Text Domain:  aibg-pro
*/

/* ---------- 1. Токени ---------- */
:root {
  --aibg-ink: #0f172a;
  --aibg-text: #334155;
  --aibg-muted: #64748b;
  --aibg-line: #e2e8f0;
  --aibg-bg: #ffffff;
  --aibg-soft: #f8fafc;
  --aibg-accent: #4f46e5;
  --aibg-accent-dark: #4338ca;
  --aibg-accent-2: #06b6d4;
  --aibg-grad: linear-gradient(90deg, #4f46e5, #06b6d4);
  --aibg-radius: 16px;
  --aibg-shadow: 0 1px 2px rgba(15, 23, 42, .04);
  --aibg-shadow-hover: 0 16px 36px rgba(79, 70, 229, .12);
  --aibg-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --aibg-font-head: "Manrope", "Inter", system-ui, sans-serif;
}

/* ---------- 2. Основа и типография ---------- */
body {
  font-family: var(--aibg-font);
  color: var(--aibg-text);
  background: var(--aibg-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, h5, h6,
.entry-title, .site-title {
  font-family: var(--aibg-font-head);
  color: var(--aibg-ink);
  letter-spacing: -0.02em;
  font-weight: 750;
}
h1 { line-height: 1.12; }
h2 { line-height: 1.2; }
h3 { line-height: 1.3; letter-spacing: -0.01em; }
p, li { line-height: 1.7; }

a { color: var(--aibg-accent); transition: color .2s ease; }
a:hover, a:focus { color: var(--aibg-accent-dark); }

::selection { background: #e0e7ff; color: var(--aibg-ink); }

:focus-visible {
  outline: 2px solid var(--aibg-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 3. Хедър ---------- */
.site-header,
.ast-primary-header-bar,
.main-header-bar {
  background: rgba(255, 255, 255, .85) !important;
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--aibg-line) !important;
}
.site-header { position: sticky; top: 0; z-index: 99; }
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 0; position: relative; } }

.site-title a,
.site-title a:hover {
  font-family: var(--aibg-font-head);
  font-weight: 800;
  color: var(--aibg-ink) !important;
  letter-spacing: -0.02em;
}
.main-header-menu .menu-link {
  font-weight: 550;
  color: var(--aibg-text) !important;
  position: relative;
}
.main-header-menu > .menu-item > .menu-link::after {
  content: "";
  position: absolute;
  left: 1em; right: 1em; bottom: 8px;
  height: 2px;
  background: var(--aibg-grad);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.main-header-menu > .menu-item:hover > .menu-link::after,
.main-header-menu > .current-menu-item > .menu-link::after {
  transform: scaleX(1);
}
.main-header-menu .current-menu-item > .menu-link,
.main-header-menu .menu-link:hover {
  color: var(--aibg-ink) !important;
}

/* ---------- 4. Бутони ---------- */
.wp-block-button__link,
.ast-button, .button,
button, input[type="submit"], input[type="button"] {
  font-family: var(--aibg-font);
  font-weight: 600;
  border-radius: 10px !important;
  padding: 12px 22px;
  background: var(--aibg-accent);
  color: #fff;
  border: 1px solid var(--aibg-accent);
  box-shadow: 0 1px 2px rgba(79, 70, 229, .25);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.wp-block-button__link:hover,
.ast-button:hover, .button:hover,
button:hover, input[type="submit"]:hover {
  background: var(--aibg-accent-dark);
  border-color: var(--aibg-accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(79, 70, 229, .25);
}
.wp-block-button.is-style-outline > .wp-block-button__link {
  background: transparent;
  color: var(--aibg-accent);
  border: 1px solid #c7d2fe;
  box-shadow: none;
}
.wp-block-button.is-style-outline > .wp-block-button__link:hover {
  background: #eef2ff;
  color: var(--aibg-accent-dark);
}

/* ---------- 5. Карти ----------
   Автоматично: всяка колона със снимка + заглавие става карта.
   Ръчно: стил „AI карти“ на блок Columns или клас aibg-cards. */
.entry-content .wp-block-column:has(> .wp-block-image):has(> h3),
.entry-content .wp-block-column:has(> figure):has(> h3),
.is-style-aibg-cards > .wp-block-column,
.is-style-aibg-cards > .wp-block-group,
.aibg-cards > .wp-block-column,
.aibg-cards > .wp-block-group,
.is-style-aibg-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--aibg-line);
  border-radius: var(--aibg-radius);
  overflow: hidden;
  padding: 0 0 24px !important;
  box-shadow: var(--aibg-shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.entry-content .wp-block-column:has(> .wp-block-image):has(> h3)::before,
.entry-content .wp-block-column:has(> figure):has(> h3)::before,
.is-style-aibg-cards > .wp-block-column::before,
.is-style-aibg-cards > .wp-block-group::before,
.aibg-cards > .wp-block-column::before,
.aibg-cards > .wp-block-group::before,
.is-style-aibg-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--aibg-grad);
  z-index: 2;
}
.entry-content .wp-block-column:has(> .wp-block-image):has(> h3):hover,
.entry-content .wp-block-column:has(> figure):has(> h3):hover,
.is-style-aibg-cards > .wp-block-column:hover,
.is-style-aibg-cards > .wp-block-group:hover,
.aibg-cards > .wp-block-column:hover,
.aibg-cards > .wp-block-group:hover,
.is-style-aibg-card:hover {
  transform: translateY(-4px);
  border-color: #c7d2fe;
  box-shadow: var(--aibg-shadow-hover);
}

/* Съдържание на картите */
.aibg-card-scope figure,
.entry-content .wp-block-column:has(> figure):has(> h3) > figure,
.is-style-aibg-cards figure,
.aibg-cards figure,
.is-style-aibg-card > figure {
  margin: 0 0 4px !important;
  overflow: hidden;
  border-radius: 0 !important;
}
.entry-content .wp-block-column:has(> figure):has(> h3) img,
.is-style-aibg-cards img,
.aibg-cards img,
.is-style-aibg-card > figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0 !important;
  filter: saturate(.9);
  transition: transform .5s ease, filter .3s ease;
}
.entry-content .wp-block-column:has(> figure):has(> h3):hover img,
.is-style-aibg-cards > *:hover img,
.aibg-cards > *:hover img,
.is-style-aibg-card:hover > figure img {
  transform: scale(1.04);
  filter: saturate(1);
}
.entry-content .wp-block-column:has(> figure):has(> h3) > h3,
.is-style-aibg-cards h3, .aibg-cards h3 {
  margin: 20px 0 8px !important;
  padding: 0 24px;
  font-size: 1.2rem;
}
.entry-content .wp-block-column:has(> figure):has(> h3) > p,
.is-style-aibg-cards p, .aibg-cards p {
  margin: 0 0 16px !important;
  padding: 0 24px;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--aibg-muted);
}
.entry-content .wp-block-column:has(> figure):has(> h3) > .wp-block-buttons,
.is-style-aibg-cards .wp-block-buttons, .aibg-cards .wp-block-buttons {
  padding: 0 24px;
}
.entry-content .wp-block-column:has(> figure):has(> h3) > :last-child,
.is-style-aibg-cards > * > :last-child,
.aibg-cards > * > :last-child {
  margin-top: auto !important;
  margin-bottom: 0 !important;
}
/* Линкът в картата като „→ действие“ */
.entry-content .wp-block-column:has(> figure):has(> h3) > p:last-child a,
.entry-content .wp-block-column:has(> figure):has(> h3) .wp-block-button__link,
.is-style-aibg-cards p:last-child a, .is-style-aibg-cards .wp-block-button__link,
.aibg-cards p:last-child a, .aibg-cards .wp-block-button__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 !important;
  background: none !important;
  border: 0 !important;
  box-shadow: none !important;
  transform: none !important;
  font-weight: 600;
  color: var(--aibg-accent) !important;
  text-decoration: none !important;
}
.entry-content .wp-block-column:has(> figure):has(> h3) > p:last-child a::after,
.entry-content .wp-block-column:has(> figure):has(> h3) .wp-block-button__link::after,
.is-style-aibg-cards p:last-child a::after, .is-style-aibg-cards .wp-block-button__link::after,
.aibg-cards p:last-child a::after, .aibg-cards .wp-block-button__link::after {
  content: "→";
  transition: transform .2s ease;
}
.entry-content .wp-block-column:has(> figure):has(> h3):hover a::after,
.is-style-aibg-cards > *:hover a::after,
.aibg-cards > *:hover a::after {
  transform: translateX(4px);
}
.wp-block-columns.is-style-aibg-cards,
.wp-block-columns.aibg-cards,
.entry-content .wp-block-columns:has(> .wp-block-column > figure + h3) {
  gap: 24px;
}

/* ---------- 6. Мека секция (стил „AI мек фон“ за Group) ---------- */
.is-style-aibg-soft {
  background: var(--aibg-soft);
  border: 1px solid var(--aibg-line);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 48px) !important;
}
.is-style-aibg-dark {
  background: radial-gradient(1200px 400px at 10% -10%, rgba(79,70,229,.45), transparent 60%),
              radial-gradient(800px 300px at 100% 120%, rgba(6,182,212,.35), transparent 60%),
              #0b1020;
  color: #cbd5e1;
  border-radius: 20px;
  padding: clamp(28px, 5vw, 64px) !important;
}
.is-style-aibg-dark h1, .is-style-aibg-dark h2,
.is-style-aibg-dark h3, .is-style-aibg-dark strong { color: #fff; }
.is-style-aibg-dark a:not(.wp-block-button__link) { color: #a5b4fc; }

/* Етикет/надзаглавие: стил „AI етикет“ за Paragraph */
.is-style-aibg-eyebrow {
  display: inline-block;
  font-size: .8rem !important;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--aibg-accent) !important;
  background: #eef2ff;
  border: 1px solid #e0e7ff;
  padding: 4px 12px;
  border-radius: 999px;
}

/* ---------- 7. FAQ / details ---------- */
.entry-content details,
.wp-block-details {
  border: 1px solid var(--aibg-line);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
  background: #fff;
  transition: border-color .2s ease;
}
.entry-content details[open], .wp-block-details[open] { border-color: #c7d2fe; }
.entry-content details summary, .wp-block-details summary {
  cursor: pointer;
  font-weight: 650;
  color: var(--aibg-ink);
}

/* ---------- 8. Код, цитати, таблици ---------- */
.entry-content pre, .wp-block-code {
  background: #0b1020;
  color: #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  font-size: .85rem;
  border: 1px solid #1e293b;
  overflow-x: auto;
}
.entry-content code:not(pre code) {
  background: #eef2ff;
  color: var(--aibg-accent-dark);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: .9em;
}
.entry-content blockquote, .wp-block-quote {
  border-left: 3px solid var(--aibg-accent) !important;
  background: var(--aibg-soft);
  border-radius: 0 12px 12px 0;
  padding: 16px 24px;
  color: var(--aibg-ink);
}
.entry-content table, .wp-block-table table {
  border-collapse: collapse;
  width: 100%;
  border: 1px solid var(--aibg-line);
  border-radius: 12px;
  overflow: hidden;
}
.entry-content th { background: var(--aibg-soft); color: var(--aibg-ink); font-weight: 650; }
.entry-content th, .entry-content td { border: 1px solid var(--aibg-line); padding: 10px 14px; }

/* ---------- 9. Блог: списък с публикации ---------- */
.ast-separate-container .ast-article-post,
.ast-archive-description {
  border: 1px solid var(--aibg-line);
  border-radius: var(--aibg-radius);
  box-shadow: var(--aibg-shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  overflow: hidden;
}
.ast-separate-container .ast-article-post:hover {
  transform: translateY(-3px);
  border-color: #c7d2fe;
  box-shadow: var(--aibg-shadow-hover);
}
.ast-separate-container { background: var(--aibg-soft); }
.entry-meta, .entry-meta * { color: var(--aibg-muted); font-size: .875rem; }

/* ---------- 10. Форми ---------- */
input[type="text"], input[type="email"], input[type="url"],
input[type="search"], input[type="tel"], input[type="password"],
textarea, select {
  border: 1px solid var(--aibg-line) !important;
  border-radius: 10px !important;
  padding: 12px 14px !important;
  background: #fff;
  color: var(--aibg-ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--aibg-accent) !important;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .12) !important;
  outline: none;
}

/* ---------- 11. Футър ---------- */
.site-footer,
.site-below-footer-wrap,
.site-primary-footer-wrap {
  background: #0b1020 !important;
  color: #94a3b8 !important;
  border-top: 0 !important;
}
.site-footer a { color: #cbd5e1 !important; }
.site-footer a:hover { color: #fff !important; }
.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--aibg-grad);
}

/* Скрол нагоре */
#ast-scroll-top {
  background: var(--aibg-accent) !important;
  border-radius: 12px !important;
  box-shadow: 0 8px 20px rgba(79, 70, 229, .3);
}

/* ---------- 12. Мобилни ---------- */
@media (max-width: 781px) {
  .entry-content .wp-block-column:has(> figure):has(> h3) > h3,
  .entry-content .wp-block-column:has(> figure):has(> h3) > p,
  .is-style-aibg-cards h3, .is-style-aibg-cards p,
  .aibg-cards h3, .aibg-cards p { padding: 0 18px; }
  .wp-block-columns.is-style-aibg-cards,
  .wp-block-columns.aibg-cards { gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}