/* home.css — главная страница DevBase в стиле clean tech (bento, мягкая глубина, tokens.css). */

.dv-home {
  --dv-font-display: var(--ui-font-display, 'Plus Jakarta Sans', 'Inter', sans-serif);
  --dv-font-mono: var(--ui-font-mono, 'JetBrains Mono', ui-monospace, monospace);
  --dv-surface: var(--ui-surface-1, #ffffff);
  --dv-surface-soft: var(--ui-surface-2, #f8fafc);
  --dv-border: var(--ui-border, #e2e8f0);
  --dv-text-1: var(--ui-text-1, #0f172a);
  --dv-text-2: var(--ui-text-2, #475569);
  --dv-text-3: var(--ui-text-3, #94a3b8);
  --dv-radius: var(--ui-radius-lg, 18px);
  --dv-accent: var(--theme-primary, #2563eb);
  --dv-accent-rgb: var(--theme-primary-rgb, 37, 99, 235);
  --dv-ease: var(--ui-ease, cubic-bezier(0.4, 0, 0.2, 1));
  color: var(--dv-text-1);
}

.dv-home section + section {
  margin-top: 4.5rem;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.dv-hero {
  text-align: center;
  padding: 2.5rem 0 0.5rem;
}

.dv-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.32rem 0.8rem;
  margin-bottom: 1.5rem;
  border-radius: var(--ui-radius-pill, 999px);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--dv-accent);
  background: rgba(var(--dv-accent-rgb), 0.08);
  border: 1px solid rgba(var(--dv-accent-rgb), 0.16);
}

.dv-eyebrow i {
  font-size: 0.72rem;
}

.dv-hero-title {
  font-family: var(--dv-font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  max-width: 22ch;
  margin: 0 auto 1.1rem;
}

.dv-hero-accent {
  color: var(--dv-accent);
  display: block;
}

.dv-hero-sub {
  max-width: 46rem;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--dv-text-2);
}

.dv-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
}

.dv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--ui-dur, 200ms) var(--dv-ease),
    box-shadow var(--ui-dur, 200ms) var(--dv-ease),
    background-color var(--ui-dur, 200ms) var(--dv-ease),
    border-color var(--ui-dur, 200ms) var(--dv-ease);
}

.dv-btn:hover {
  transform: translateY(-2px);
}

.dv-btn--solid {
  color: #fff;
  background: var(--theme-button-bg, #2563eb);
  box-shadow: 0 6px 20px rgba(var(--dv-accent-rgb), 0.24);
}

.dv-btn--solid:hover {
  color: #fff;
  background: var(--theme-button-bg-hover, #1d4ed8);
}

.dv-btn--ghost {
  color: var(--dv-text-1);
  background: var(--dv-surface);
  border-color: var(--dv-border);
  box-shadow: var(--ui-shadow-xs, 0 1px 2px rgba(15, 23, 42, 0.04));
}

.dv-btn--ghost:hover {
  color: var(--dv-text-1);
  border-color: var(--ui-border-strong, #cbd5e1);
  box-shadow: var(--ui-shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.05));
}

.dv-btn--ghost i {
  color: var(--dv-accent);
}

/* ==========================================================================
   Воронка в генератор курсов
   ========================================================================== */

.dv-generator-card {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 1.75rem;
  align-items: center;
  padding: 1.75rem 1.9rem;
  border: 1px solid rgba(var(--dv-accent-rgb), 0.22);
  border-radius: var(--ui-radius-xl, 24px);
  background:
    linear-gradient(135deg, rgba(var(--dv-accent-rgb), 0.08), transparent 42%),
    var(--dv-surface);
  box-shadow: var(--ui-shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.05));
}

.dv-generator-copy .dv-section-title {
  margin-bottom: 0.45rem;
}

.dv-generator-copy .dv-section-sub {
  margin: 0 0 1.25rem;
  max-width: 42rem;
}

.dv-generator-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.dv-generator-steps li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.dv-generator-steps strong {
  display: block;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.dv-generator-steps span:not(.dv-generator-num) {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.86rem;
  color: var(--dv-text-2);
  line-height: 1.45;
}

.dv-generator-num {
  flex: 0 0 auto;
  width: 1.7rem;
  height: 1.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-family: var(--dv-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dv-accent);
  background: rgba(var(--dv-accent-rgb), 0.1);
  border: 1px solid rgba(var(--dv-accent-rgb), 0.18);
}

/* Метрики платформы */
.dv-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 3rem 0 0;
  padding: 1.25rem;
  border: 1px solid var(--dv-border);
  border-radius: var(--ui-radius-xl, 24px);
  background: var(--dv-surface);
  box-shadow: var(--ui-shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.05));
}

.dv-stat {
  text-align: center;
}

.dv-stat-value {
  display: block;
  font-family: var(--dv-font-display);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.dv-stat-label {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--dv-font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dv-text-3);
}

/* ==========================================================================
   Заголовки секций и панель поиска
   ========================================================================== */

.dv-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.dv-section-title {
  font-family: var(--dv-font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.5rem;
  margin: 0;
}

.dv-section-sub {
  margin: 0.3rem 0 0;
  font-size: 0.9rem;
  color: var(--dv-text-2);
}

.dv-section-head-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.dv-count {
  font-family: var(--dv-font-mono);
  font-size: 0.75rem;
  color: var(--dv-text-3);
  padding: 0.25rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--dv-border);
  background: var(--dv-surface-soft);
  white-space: nowrap;
}

.dv-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--dv-border);
  border-radius: var(--ui-radius-lg, 18px);
  background: var(--dv-surface);
  box-shadow: var(--ui-shadow-xs, 0 1px 2px rgba(15, 23, 42, 0.04));
}

.dv-search {
  position: relative;
  flex: 1 1 320px;
  display: flex;
  gap: 0.6rem;
}

.dv-search-field {
  position: relative;
  flex: 1;
}

.dv-search-field i {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  color: var(--dv-text-3);
  pointer-events: none;
}

.dv-input {
  width: 100%;
  height: 44px;
  padding: 0 1rem 0 2.4rem;
  border-radius: 12px;
  border: 1px solid var(--dv-border);
  background: var(--dv-surface-soft);
  color: var(--dv-text-1);
  font-size: 0.92rem;
  transition: border-color var(--ui-dur, 200ms) var(--dv-ease),
    box-shadow var(--ui-dur, 200ms) var(--dv-ease);
}

.dv-input::placeholder {
  color: var(--dv-text-3);
}

.dv-input:focus {
  outline: none;
  border-color: var(--dv-accent);
  box-shadow: 0 0 0 3px var(--ui-accent-ring, rgba(37, 99, 235, 0.22));
}

.dv-select {
  height: 44px;
  min-width: 190px;
  padding: 0 2.4rem 0 0.95rem;
  border-radius: 12px;
  border: 1px solid var(--dv-border);
  background-color: var(--dv-surface-soft);
  color: var(--dv-text-1);
  font-size: 0.9rem;
  font-weight: 500;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 2px), calc(100% - 13px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  transition: border-color var(--ui-dur, 200ms) var(--dv-ease),
    box-shadow var(--ui-dur, 200ms) var(--dv-ease);
}

.dv-select:focus {
  outline: none;
  border-color: var(--dv-accent);
  box-shadow: 0 0 0 3px var(--ui-accent-ring, rgba(37, 99, 235, 0.22));
}

.dv-btn--search {
  height: 44px;
  padding: 0 1.15rem;
  border-radius: 12px;
}

/* ==========================================================================
   Bento-сетка курсов
   ========================================================================== */

.dv-bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.dv-course {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--dv-border);
  border-radius: var(--ui-radius-xl, 24px);
  background: var(--dv-surface);
  box-shadow: var(--ui-shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.05));
  transition: transform var(--ui-dur, 200ms) var(--dv-ease),
    box-shadow var(--ui-dur, 200ms) var(--dv-ease),
    border-color var(--ui-dur, 200ms) var(--dv-ease);
}

.dv-course:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--dv-accent-rgb), 0.35);
  box-shadow: var(--ui-shadow-md, 0 10px 26px rgba(15, 23, 42, 0.07));
}

.dv-course.is-featured {
  grid-column: span 2;
}

.dv-course.is-locked {
  opacity: 0.65;
}

.dv-course-media {
  position: relative;
  display: block;
  height: 190px;
  overflow: hidden;
  background: var(--dv-surface-soft);
}

.dv-course.is-featured .dv-course-media {
  height: 260px;
}

.dv-course-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--ui-dur-slow, 320ms) var(--dv-ease);
}

.dv-course:hover .dv-course-media img {
  transform: scale(1.04);
}

.dv-course.is-locked .dv-course-media img {
  filter: grayscale(60%);
}

.dv-course-chips {
  position: absolute;
  inset: 0.7rem 0.7rem auto 0.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  pointer-events: none;
}

.dv-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.24rem 0.6rem;
  border-radius: var(--ui-radius-pill, 999px);
  font-family: var(--dv-font-mono);
  font-size: 0.68rem;
  color: #f8fafc;
  background: rgba(9, 9, 11, 0.72);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--ui-dur, 200ms) var(--dv-ease),
    transform var(--ui-dur, 200ms) var(--dv-ease);
}

.dv-course:hover .dv-chip,
.dv-course:focus-within .dv-chip {
  opacity: 1;
  transform: translateY(0);
}

.dv-chip--locked {
  position: absolute;
  right: 0.7rem;
  bottom: 0.7rem;
  opacity: 1;
  transform: none;
  color: #fde68a;
  background: rgba(120, 53, 15, 0.85);
}

.dv-course-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.35rem 1.4rem 1.25rem;
}

.dv-course-tags {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.dv-tag {
  padding: 0.22rem 0.6rem;
  border-radius: var(--ui-radius-pill, 999px);
  font-family: var(--dv-font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--dv-accent);
  background: rgba(var(--dv-accent-rgb), 0.1);
}

.dv-tag--author {
  color: var(--ui-success, #059669);
  background: var(--ui-success-soft, rgba(16, 185, 129, 0.12));
}

/* Состояния прогресса пользователя */
.dv-tag--current {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--dv-accent);
  background: rgba(var(--dv-accent-rgb), 0.12);
}

.dv-tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(var(--dv-accent-rgb), 0.18);
}

.dv-tag--started {
  color: var(--ui-warning, #b45309);
  background: var(--ui-warning-soft, rgba(245, 158, 11, 0.14));
}

.dv-tag--done {
  color: var(--ui-success, #059669);
  background: var(--ui-success-soft, rgba(16, 185, 129, 0.12));
}

.dv-course.is-current {
  border-color: rgba(var(--dv-accent-rgb), 0.45);
}

.dv-course-progress {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
}

.dv-progress-track {
  flex: 1;
  height: 6px;
  border-radius: var(--ui-radius-pill, 999px);
  background: var(--ui-border, #e2e8f0);
  overflow: hidden;
}

.dv-progress-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--dv-accent);
}

.dv-progress-value {
  font-family: var(--dv-font-mono);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  color: var(--dv-text-3);
}

.dv-course-id {
  font-family: var(--dv-font-mono);
  font-size: 0.68rem;
  color: var(--dv-text-3);
}

.dv-course-title {
  font-family: var(--dv-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin: 0 0 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dv-course.is-featured .dv-course-title {
  font-size: 1.35rem;
}

.dv-course-desc {
  margin: 0 0 1.2rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--dv-text-2);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dv-course-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--ui-border-subtle, rgba(15, 23, 42, 0.06));
}

.dv-course-metrics {
  display: flex;
  gap: 1.1rem;
  font-size: 0.78rem;
  color: var(--dv-text-3);
}

.dv-course-metrics b {
  display: block;
  font-family: var(--dv-font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dv-text-1);
}

.dv-course-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dv-accent);
  text-decoration: none;
  white-space: nowrap;
}

.dv-course-cta i {
  transition: transform var(--ui-dur, 200ms) var(--dv-ease);
}

.dv-course-cta:hover {
  color: var(--theme-primary-hover, #1d4ed8);
}

.dv-course-cta:hover i {
  transform: translateX(3px);
}

.dv-course-cta.is-disabled {
  color: var(--dv-text-3);
  pointer-events: none;
}

.course-hidden {
  display: none !important;
}

/* Пустое состояние и догрузка */
.dv-empty {
  padding: 2.5rem 1rem;
  text-align: center;
  font-size: 0.92rem;
  color: var(--dv-text-3);
  border: 1px dashed var(--dv-border);
  border-radius: var(--ui-radius-lg, 18px);
}

.courses-loader {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-size: 0.88rem;
  color: var(--dv-text-3);
}

.courses-scroll-sentinel {
  height: 1px;
}

.dv-load-more {
  padding: 0.6rem 1.3rem;
  border-radius: 12px;
  border: 1px solid var(--dv-border);
  background: var(--dv-surface);
  color: var(--dv-text-1);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--ui-dur, 200ms) var(--dv-ease),
    transform var(--ui-dur, 200ms) var(--dv-ease);
}

.dv-load-more:hover {
  transform: translateY(-1px);
  border-color: var(--ui-border-strong, #cbd5e1);
}

/* ==========================================================================
   Демонстрация проверки заданий (мини-IDE)
   ========================================================================== */

.dv-ide {
  padding: 1.6rem;
  border: 1px solid var(--dv-border);
  border-radius: var(--ui-radius-xl, 24px);
  background: var(--dv-surface);
  box-shadow: var(--ui-shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.05));
}

.dv-ide-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.dv-ide-live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--dv-font-mono);
  font-size: 0.72rem;
  color: var(--dv-text-3);
}

.dv-ide-live::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ui-success, #059669);
  box-shadow: 0 0 0 3px var(--ui-success-soft, rgba(16, 185, 129, 0.14));
}

.dv-ide-title {
  font-family: var(--dv-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0.35rem 0 0;
}

.dv-ide-panes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.dv-pane {
  border-radius: var(--ui-radius-md, 14px);
  border: 1px solid #27272a;
  background: #101014;
  padding: 1rem 1.1rem;
  font-family: var(--dv-font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  color: #d4d4d8;
  overflow-x: auto;
}

.dv-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.55rem;
  margin-bottom: 0.65rem;
  border-bottom: 1px solid #27272a;
  font-size: 0.72rem;
  color: #a1a1aa;
}

.dv-pane-head i {
  color: #818cf8;
  margin-right: 0.3rem;
}

.dv-pane p {
  margin: 0;
  white-space: pre;
}

.dv-pane .dv-i {
  padding-left: 1.4rem;
  display: block;
}

.dv-pane .dv-i2 {
  padding-left: 2.8rem;
  display: block;
}

.dv-kw {
  color: #c084fc;
}

.dv-fn {
  color: #60a5fa;
}

.dv-str {
  color: #fcd34d;
}

.dv-num {
  color: #fdba74;
}

.dv-comm {
  color: #71717a;
  font-style: italic;
}

.dv-ok {
  color: #34d399;
}

.dv-pane-foot {
  margin-top: 0.8rem;
  padding-top: 0.6rem;
  border-top: 1px solid #27272a;
  font-size: 0.68rem;
  color: #71717a;
}

/* ==========================================================================
   Лента статей
   ========================================================================== */

.dv-rail {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.dv-rail::-webkit-scrollbar {
  display: none;
}

.dv-article {
  flex: 0 0 auto;
  width: 218px;
  display: flex;
  flex-direction: column;
  padding: 0.75rem;
  border: 1px solid var(--dv-border);
  border-radius: var(--ui-radius-lg, 18px);
  background: var(--dv-surface);
  box-shadow: var(--ui-shadow-xs, 0 1px 2px rgba(15, 23, 42, 0.04));
  text-decoration: none;
  color: var(--dv-text-1);
  transition: transform var(--ui-dur, 200ms) var(--dv-ease),
    box-shadow var(--ui-dur, 200ms) var(--dv-ease),
    border-color var(--ui-dur, 200ms) var(--dv-ease);
}

.dv-article:hover {
  transform: translateY(-3px);
  color: var(--dv-text-1);
  border-color: rgba(var(--dv-accent-rgb), 0.35);
  box-shadow: var(--ui-shadow-md, 0 10px 26px rgba(15, 23, 42, 0.07));
}

.dv-article-media {
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: var(--dv-surface-soft);
  margin-bottom: 0.7rem;
}

.dv-article-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--ui-dur-slow, 320ms) var(--dv-ease);
}

.dv-article:hover .dv-article-media img {
  transform: scale(1.05);
}

.dv-article-title {
  font-family: var(--dv-font-display);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 0.6rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dv-article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: auto;
  font-family: var(--dv-font-mono);
  font-size: 0.68rem;
  color: var(--dv-text-3);
}

.dv-article-tag {
  padding: 0.18rem 0.5rem;
  border-radius: var(--ui-radius-pill, 999px);
  color: var(--dv-accent);
  background: rgba(var(--dv-accent-rgb), 0.1);
  max-width: 65%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dv-article--all {
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.35rem;
  border-style: dashed;
  background: var(--dv-surface-soft);
  box-shadow: none;
}

.dv-article--all i {
  font-size: 1.1rem;
  color: var(--dv-accent);
  margin-bottom: 0.35rem;
}

.dv-article--all .dv-article-title {
  margin-bottom: 0.2rem;
}

.dv-article--all small {
  font-size: 0.74rem;
  color: var(--dv-text-3);
}

/* ==========================================================================
   Рекламный слот
   ========================================================================== */

.dv-ad {
  padding: 1.25rem;
  border: 1px solid var(--dv-border);
  border-radius: var(--ui-radius-lg, 18px);
  background: var(--dv-surface);
}

.dv-ad-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-family: var(--dv-font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dv-text-3);
}

.dv-ad-body {
  display: block;
  text-decoration: none;
  color: inherit;
}

.dv-ad-body img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 0.85rem;
}

.dv-ad-title {
  font-family: var(--dv-font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.dv-ad-text {
  font-size: 0.88rem;
  color: var(--dv-text-2);
  margin: 0;
}

.dv-ad-cta {
  display: inline-flex;
  margin-top: 0.85rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--ui-radius-pill, 999px);
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  background: var(--theme-button-bg, #2563eb);
}

/* ==========================================================================
   Пасхалка (Ctrl+I)
   ========================================================================== */

.cyber-code-window {
  position: fixed;
  right: var(--ui-float-x, 28px);
  /* Пасхалка стояла ровно в точке чат-виджета и перекрывала его. Поднимаем её над
     кнопкой чата: отступ чата плюс её высота и тот же зазор, что у остальных слоёв. */
  bottom: calc(var(--ui-chat-y, 96px) + 54px + var(--ui-float-gap, 16px));
  width: 340px;
  display: none;
  overflow: hidden;
  border-radius: var(--ui-radius-md, 14px);
  border: 1px solid #27272a;
  background: rgba(10, 10, 12, 0.97);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  font-family: var(--ui-font-mono, 'JetBrains Mono', monospace);
  /* Пасхалка не должна оказываться поверх модалок — держим её на слое плавающих кнопок */
  z-index: var(--ui-z-widget, 1055);
}

.cyber-code-window--visible {
  display: block;
}

.cyber-code-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.8rem;
  background: #101014;
  border-bottom: 1px solid #27272a;
}

.cyber-code-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #a5b4fc;
  user-select: none;
}

.cyber-close-btn {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  padding: 0 0.3rem;
  border: none;
  background: none;
  color: #71717a;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--ui-dur, 200ms) var(--ui-ease, ease);
}

.cyber-close-btn:hover,
.cyber-close-btn:focus {
  color: #fb7185;
  outline: none;
}

.cyber-code {
  margin: 0;
  padding: 1rem 1.1rem;
  min-height: 120px;
  max-height: 220px;
  overflow-y: auto;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #d4d4d8;
  background: transparent;
  white-space: pre-wrap;
  scrollbar-width: thin;
}

.cyber-code::-webkit-scrollbar {
  width: 6px;
}

.cyber-code::-webkit-scrollbar-thumb {
  background: #3f3f46;
  border-radius: 6px;
}

.cyber-kw {
  color: #c084fc;
  font-weight: 600;
}

.cyber-str {
  color: #fcd34d;
}

.cyber-comm {
  color: #71717a;
  font-style: italic;
}

.cyber-fn {
  color: #60a5fa;
}

/* ==========================================================================
   Адаптив
   ========================================================================== */

@media (max-width: 1199px) {
  .dv-generator-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .dv-bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dv-course.is-featured {
    grid-column: span 2;
  }
}

@media (max-width: 767px) {
  .dv-home section + section {
    margin-top: 3rem;
  }

  .dv-hero {
    padding-top: 1rem;
    text-align: left;
  }

  .dv-hero-title,
  .dv-hero-sub {
    margin-left: 0;
    max-width: none;
  }

  .dv-hero-actions {
    justify-content: stretch;
  }

  .dv-hero-actions .dv-btn {
    flex: 1 1 100%;
  }

  .dv-generator-card {
    grid-template-columns: minmax(0, 1fr);
    padding: 1.25rem;
  }

  .dv-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem 1rem;
  }

  .dv-bento {
    grid-template-columns: minmax(0, 1fr);
  }

  .dv-course.is-featured {
    grid-column: span 1;
  }

  .dv-course.is-featured .dv-course-media {
    height: 190px;
  }

  .dv-ide-panes {
    grid-template-columns: minmax(0, 1fr);
  }

  .dv-section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .dv-article {
    width: 78vw;
  }

  .cyber-code-window {
    right: 12px;
    left: 12px;
    width: auto;
  }
}