/*
Theme Name: Budproekt
Description: Проста тема для ТОВ «Центр підвищення кваліфікації «ПРОФПРОЕКТ» — лише статичні сторінки.
Version: 1.0
Text Domain: budproekt
*/

:root {
  --purple: #4A596B;
  --purple-dark: #3d4a59;
  --purple-light: #F8FAFC;
  --dark: #2D3748;
  --text: #2D3748;
  --text-muted: #718096;
  --gray: #F8FAFC;
  --border: #e2e8f0;
  --white: #fff;
  --max-width: 1140px;
}

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

html, body { min-height: 100vh; }

body {
  display: flex;
  flex-direction: column;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
}

main { flex: 1; }

a { color: var(--purple); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  overflow: visible;
  position: relative;
  z-index: 200;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.main-nav {
  flex: 1;
  width: auto;
  overflow: visible;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle-bars,
.menu-toggle-bars::before,
.menu-toggle-bars::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--purple);
  border-radius: 1px;
}

.menu-toggle-bars {
  position: relative;
}

.menu-toggle-bars::before,
.menu-toggle-bars::after {
  content: '';
  position: absolute;
  left: 0;
}

.menu-toggle-bars::before { top: -7px; }
.menu-toggle-bars::after { top: 7px; }

.main-nav > ul {
  list-style: none;
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  gap: 2px 6px;
  overflow: visible;
}

.main-nav > ul > li {
  position: relative;
}

.main-nav > ul > li.menu-item-has-children::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 12px;
}

.main-nav > ul > li > a,
.main-nav > ul > li > .menu-label {
  color: var(--text);
  font-size: 0.875rem;
  line-height: 1.3;
  text-decoration: none;
  padding: 8px 12px;
  border-bottom: 3px solid transparent;
  display: block;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s, border-color 0.2s;
  text-align: center;
}

.main-nav a:hover,
.main-nav li:hover > .menu-label {
  color: var(--purple);
  text-decoration: none;
}

.main-nav .current-menu-item > a,
.main-nav .current_page_item > a,
.main-nav .current-menu-ancestor > a,
.main-nav .current-menu-ancestor > .menu-label {
  color: var(--purple);
  font-weight: 600;
  border-bottom-color: var(--purple);
}

.main-nav > ul > li.menu-item-has-children > .menu-label::after,
.main-nav > ul > li.menu-item-has-children > a::after {
  content: ' ▾';
  font-size: 0.65rem;
}

.main-nav .sub-menu {
  display: none;
  list-style: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 300px;
  max-width: 380px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: visible;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.main-nav .menu-item-has-children:hover > .sub-menu,
.main-nav .menu-item-has-children:focus-within > .sub-menu {
  display: block;
}

.main-nav .sub-menu li + li {
  border-top: 1px solid var(--border);
}

.main-nav .sub-menu .menu-item-has-children {
  position: relative;
}

.main-nav .sub-menu .menu-item-has-children::after {
  content: '';
  position: absolute;
  top: 0;
  left: 100%;
  width: 16px;
  height: 100%;
}

.main-nav .sub-menu .menu-item-has-children > .sub-menu {
  top: -1px;
  left: calc(100% + 8px);
  transform: none;
  margin-left: 0;
  min-width: 280px;
  max-width: 320px;
  z-index: 110;
}

.main-nav .sub-menu .menu-item-has-children > .menu-label::after {
  content: ' ▸';
  font-size: 0.65rem;
}

.main-nav .sub-menu a,
.main-nav .sub-menu .menu-label {
  display: block;
  padding: 10px 18px;
  border-bottom: none;
  white-space: normal;
  cursor: pointer;
  user-select: none;
  line-height: 1.4;
  font-size: 0.85rem;
  max-width: none;
  text-align: left;
  color: var(--text);
}

.main-nav .sub-menu a:hover,
.main-nav .sub-menu li:hover > .menu-label {
  background: var(--purple-light);
  color: var(--purple);
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--purple);
  transition: background 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--purple);
  color: var(--white);
  border-color: var(--purple);
}

.btn-primary:hover {
  background: var(--purple-dark);
  border-color: var(--purple-dark);
  color: var(--white);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--purple);
}

.btn-outline:hover {
  background: var(--purple-light);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 60px 0 50px;
  background: var(--white);
}

.hero h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.3;
  max-width: 800px;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 650px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Sections */
.section {
  padding: 50px 0;
}

.section-gray { background: var(--gray); }
.section-purple { background: var(--purple-light); }

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--text);
}

/* Activity grid */
.activity-tiles {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.activity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 24px;
  align-items: stretch;
}

.activity-wide {
  width: 100%;
}

.activity-wide > .activity-card--group {
  height: auto;
  overflow: visible;
}

.activity-card--group {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.activity-card-head {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 28px 20px;
  min-height: 140px;
}

.activity-card-head svg {
  width: 48px;
  height: 48px;
  color: var(--purple);
  margin-bottom: 12px;
}

.activity-card-head h3 {
  margin: 0;
}

.activity-card--wide {
  text-align: center;
  padding: 28px 12px 32px;
}

.activity-wide-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
  text-align: center;
}

.activity-wide-head svg {
  width: 48px;
  height: 48px;
  color: var(--purple);
  flex-shrink: 0;
  margin-bottom: 0;
}

.activity-wide-head h3 {
  margin: 0;
  font-size: 1rem;
}

.activity-card--wide .activity-card-subs {
  margin-top: 0;
  padding: 16px 0 20px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, auto);
  grid-auto-flow: column;
  row-gap: 8px;
  column-gap: 8px;
  align-items: start;
  justify-items: stretch;
  text-align: center;
}

.activity-card--wide .activity-card-subs a {
  padding: 0 4px;
  display: block;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-card,
a.activity-card {
  text-decoration: none;
  color: inherit;
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

a.activity-card:hover,
.activity-card--group:hover {
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(74, 89, 107, 0.18), 0 2px 6px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

a.activity-card:active {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transform: translateY(0);
}

.activity-card svg {
  width: 48px;
  height: 48px;
  color: var(--purple);
  margin-bottom: 14px;
}

.activity-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.activity-card h3 a {
  color: inherit;
  text-decoration: none;
}

.activity-card h3 a:hover {
  color: var(--purple);
  text-decoration: none;
}

.activity-card-subs {
  margin-top: 0;
  padding: 16px 20px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
  flex-shrink: 0;
}

.activity-card-subs a {
  font-size: 0.8rem;
  color: var(--purple);
  text-decoration: none;
  line-height: 1.4;
}

.activity-card-subs a:hover {
  text-decoration: underline;
}

.page-section {
  scroll-margin-top: 80px;
}

/* Page */
.page-header {
  padding: 32px 0 24px;
  border-bottom: 3px solid var(--purple);
  margin-bottom: 32px;
}

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.breadcrumbs a { color: var(--purple); }

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
}

.page-content {
  padding-bottom: 50px;
}

.page-content p { margin-bottom: 16px; }

.page-content ul, .page-content ol {
  margin: 0 0 16px 24px;
}

.page-content h2, .page-content h3 {
  margin: 24px 0 12px;
  color: var(--text);
}

.info-box {
  background: var(--purple-light);
  border-left: 4px solid var(--purple);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 4px 4px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.info-box svg {
  width: 20px;
  height: 20px;
  color: var(--purple);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Open letter */
.open-letter {
  background: var(--purple-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}

.open-letter-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}

.open-letter-icon svg {
  width: 40px;
  height: 40px;
  color: var(--purple);
  flex-shrink: 0;
}

.open-letter-body { flex: 1; }

.open-letter-body h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
  line-height: 1.4;
}

.open-letter-date {
  font-size: 0.8rem;
  color: var(--purple);
  margin-bottom: 8px;
}

.open-letter-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.open-letter-btn { flex-shrink: 0; }

/* Footer */
.site-footer {
  background: var(--dark);
  color: #ccc;
  padding: 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  padding-bottom: 40px;
}

.footer-col h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 16px;
}

.footer-col p, .footer-col li {
  font-size: 0.875rem;
  line-height: 1.7;
  color: #aaa;
}

.footer-col ul { list-style: none; }

.footer-col a { color: #ccc; }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid #333;
  padding: 16px 0;
  text-align: center;
  font-size: 0.8rem;
  color: #777;
}

/* Responsive */
@media (max-width: 900px) {
  .site-header .container {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    width: 100%;
  }

  .main-nav > ul {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: var(--white);
  }

  .main-nav.is-open > ul {
    display: flex;
  }

  .main-nav > ul > li {
    border-bottom: 1px solid var(--border);
  }

  .main-nav > ul > li:last-child {
    border-bottom: none;
  }

  .main-nav > ul > li.menu-item-has-children::after {
    display: none;
  }

  .main-nav > ul > li > a,
  .main-nav > ul > li > .menu-label {
    width: 100%;
    max-width: none;
    padding: 14px 16px;
    border-bottom: none;
    text-align: left;
    font-size: 0.875rem;
    white-space: normal;
  }

  .main-nav .current-menu-item > a,
  .main-nav .current-menu-ancestor > a,
  .main-nav .current-menu-ancestor > .menu-label {
    background: var(--purple-light);
    border-bottom-color: transparent;
  }

  .main-nav > ul > li.menu-item-has-children.is-open > .menu-label::after,
  .main-nav > ul > li.menu-item-has-children.is-open > a::after {
    content: ' ▴';
  }

  .main-nav .menu-item-has-children:hover > .sub-menu,
  .main-nav .menu-item-has-children:focus-within > .sub-menu {
    display: none;
  }

  .main-nav .menu-item-has-children.is-open > .sub-menu,
  .main-nav .menu-item-clickable-parent.is-open > .sub-menu {
    display: block;
  }

  .main-nav .menu-item-clickable-parent > a {
    pointer-events: auto;
  }

  .main-nav .sub-menu {
    position: static;
    transform: none;
    min-width: 0;
    max-width: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--gray);
  }

  .main-nav .sub-menu .menu-item-has-children::after {
    display: none;
  }

  .main-nav .sub-menu a,
  .main-nav .sub-menu .menu-label {
    padding: 12px 16px 12px 28px;
  }

  .main-nav .sub-menu .sub-menu a,
  .main-nav .sub-menu .sub-menu .menu-label {
    padding-left: 44px;
  }

  .main-nav .sub-menu .menu-item-has-children > .menu-label::after {
    content: ' ▾';
  }

  .main-nav .sub-menu .menu-item-has-children.is-open > .menu-label::after {
    content: ' ▴';
  }

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

  .activity-card--wide .activity-card-subs {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    grid-auto-flow: row;
  }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.4rem; }
  .activity-grid { grid-template-columns: 1fr; }
  .activity-wide-head { flex-direction: column; align-items: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .open-letter-inner { flex-direction: column; align-items: flex-start; }
  .open-letter-btn { width: 100%; }
  .open-letter-btn .btn { width: 100%; text-align: center; }
}