/* ============================================================
   DUTCHIFIED — COMPONENTS  (source-of-truth)
   Использует токены из tokens.css.
   Все классы с префиксом .ds-
   ============================================================ */

/* Back link inside post-hero__meta */
.post-hero__back {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 200ms;
}
.post-hero__back:hover { opacity: 0.7; }
.post-hero__back + span::before { content: "\B7"; margin: 0 var(--space-2); color: var(--color-outline); }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.ds-display { font-family: var(--font-display); }
.ds-body    { font-family: var(--font-body); }

/* Hero h1 — 72px на desktop, 36px на mobile, очень плотный трекинг */
.ds-headline-hero {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.1;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tightest);
}
@media (min-width: 768px) {
  .ds-headline-hero { font-size: var(--text-headline-xl-hero); }
}

.ds-headline-xl {
  font-family: var(--font-display);
  font-size: var(--text-headline-xl);
  line-height: var(--leading-tight);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tighter);
}
.ds-headline-lg {
  font-family: var(--font-display);
  font-size: var(--text-headline-lg-mobile);
  line-height: var(--leading-snug);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight-1);
}
@media (min-width: 768px) {
  .ds-headline-lg {
    font-size: var(--text-headline-lg);
    letter-spacing: var(--tracking-tight);
  }
}
.ds-headline-md {
  font-family: var(--font-display);
  font-size: var(--text-headline-md);
  line-height: var(--leading-normal);
  font-weight: var(--weight-medium);
}
.ds-body-lg {
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  line-height: var(--leading-relaxed);
  font-weight: var(--weight-regular);
}
.ds-body-md {
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  line-height: var(--leading-base);
  font-weight: var(--weight-regular);
}
.ds-label-md {
  font-size: var(--text-label-md);
  line-height: 1.4;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
}

/* Eyebrow над секциями: оранжевый, капс, трекинг 0.1em */
.ds-eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

/* Primary-окрашенный фрагмент в заголовке */
.ds-text-primary { color: var(--color-primary); }
.ds-text-muted   { color: var(--color-muted); }

/* Hero giant number: 140px с градиентом orange → orange-yellow */
.ds-stat-giant {
  font-family: var(--font-display);
  font-size: 96px;
  line-height: 1;
  font-weight: var(--weight-bold);
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--color-primary), #ff8c00);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-3);
}
@media (min-width: 768px) {
  .ds-stat-giant { font-size: 140px; }
}
.ds-stat-giant__unit {
  font-size: 30px;
  font-weight: var(--weight-medium);
  letter-spacing: 0;
  color: var(--color-muted);
  background: none;
  -webkit-text-fill-color: var(--color-muted);
}
@media (min-width: 768px) {
  .ds-stat-giant__unit { font-size: 36px; }
}

/* ============================================================
   GLASS CARDS  — фирменный контейнер
   .ds-glass-card     : радиус 40px (для крупных секций)
   .ds-glass-card-sm  : радиус 24px (для мелких карточек)
   ============================================================ */
.ds-glass-card,
.ds-glass-card-sm {
  position: relative;
  overflow: hidden;
  background: var(--color-glass-bg);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--color-glass-border);
  box-shadow: var(--shadow-glass);
  transition: transform var(--duration-base) ease,
              box-shadow var(--duration-base) ease;
}
.ds-glass-card    { border-radius: var(--radius-3xl); }
.ds-glass-card-sm { border-radius: var(--radius-xl); }

/* Интерактивный «спот-свет» от курсора — нужен JS,
   который устанавливает --mouse-x / --mouse-y на элементе. */
.ds-glass-card::before,
.ds-glass-card-sm::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(
    800px circle at var(--mouse-x, 0) var(--mouse-y, 0),
    rgba(255,255,255,0.6),
    transparent 40%
  );
  z-index: -1;
  opacity: 0;
  transition: opacity var(--duration-base) ease;
  pointer-events: none;
}
.ds-glass-card:hover::before,
.ds-glass-card-sm:hover::before { opacity: 1; }

.ds-glass-card--hover:hover,
.ds-glass-card-sm--hover:hover { transform: translateY(-4px); }

/* ============================================================
   BUTTONS
   ============================================================ */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 56px;
  padding: 0 32px;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: var(--text-body-lg);
  font-weight: var(--weight-semibold);
  line-height: 1;
  cursor: pointer;
  transition: all var(--duration-base) ease;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
}
.ds-btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.ds-btn:active:not(:disabled) { transform: scale(0.95); }
.ds-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Primary — оранжевая pill с тенью */
.ds-btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-primary);
}
.ds-btn--primary:hover:not(:disabled) {
  box-shadow: var(--shadow-primary-hover);
  transform: scale(1.05);
}

/* Glass-secondary — белая полупрозрачная */
.ds-btn--glass {
  background: var(--color-glass-bg-40);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid #fff;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}
.ds-btn--glass:hover:not(:disabled) {
  background: rgba(255,255,255,0.85);
}

/* Telegram — голубой градиент с pulse-свечением */
.ds-btn--telegram {
  background: linear-gradient(to right, var(--color-tertiary-2), var(--color-tertiary-3));
  color: #fff;
  box-shadow: var(--shadow-tg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--text-label-md);
  font-weight: var(--weight-semibold);
  height: 44px;
  padding: 0 24px;
}
.ds-btn--telegram:hover:not(:disabled) {
  box-shadow: var(--shadow-tg-hover);
}
.ds-btn--telegram-lg {
  height: 56px;
  padding: 0 40px;
  font-size: var(--text-body-lg);
  text-transform: none;
  letter-spacing: 0;
}

/* Sizes */
.ds-btn--sm { height: 40px; padding: 0 20px; font-size: var(--text-label-md); }

/* ============================================================
   PROGRESS BAR  (используется в рейтинге городов)
   ============================================================ */
.ds-progress {
  background: var(--color-surface-container);
  border-radius: var(--radius-pill);
  height: 10px;
  width: 100%;
  overflow: hidden;
}
.ds-progress__fill {
  height: 100%;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
  transition: width 1.2s var(--ease-out-soft),
              box-shadow var(--duration-base) ease,
              transform var(--duration-base) ease;
  width: 0;
}
/* Row, в которой бар + название + значение */
.ds-progress-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.ds-progress-row__name {
  width: 96px;
  flex-shrink: 0;
  font-weight: var(--weight-bold);
  font-size: var(--text-body-md);
  color: var(--color-text);
}
@media (min-width: 768px) {
  .ds-progress-row__name { width: 160px; font-size: var(--text-body-lg); }
}
.ds-progress-row__bar  { flex: 1; }
.ds-progress-row__value {
  width: 80px;
  flex-shrink: 0;
  text-align: right;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-body-lg);
  color: var(--color-text);
}
@media (min-width: 768px) {
  .ds-progress-row__value { width: 112px; font-size: var(--text-headline-md); }
}
.ds-progress-row__value--accent { color: var(--color-primary); }
.ds-progress-row__value--muted  { color: var(--color-muted); }
.ds-progress-row:hover .ds-progress__fill {
  box-shadow: 0 0 10px rgba(255, 69, 0, 0.4);
  transform: scaleY(1.1);
}

/* ============================================================
   TIMELINE — зигзаг с центральной анимированной линией
   ============================================================ */
.ds-timeline {
  position: relative;
  padding: var(--space-10) 0;
  max-width: 56rem;
  margin: 0 auto;
}
.ds-timeline__line {
  position: absolute;
  left: 24px; top: 0; bottom: 0;
  width: 2px;
  background: #E0E0E0;
  z-index: -1;
}
.ds-timeline__line-active {
  position: absolute;
  left: 24px; top: 0; height: 0;
  width: 2px;
  background: var(--color-primary);
  z-index: -1;
  transition: height 0.3s ease-out;
}
@media (min-width: 768px) {
  .ds-timeline__line,
  .ds-timeline__line-active { left: 50%; transform: translateX(-50%); }
}

.ds-timeline__stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin-bottom: var(--space-16);
}
@media (min-width: 768px) {
  .ds-timeline__stage { flex-direction: row; }
}

.ds-timeline__col      { width: 100%; padding-left: var(--space-12); }
@media (min-width: 768px) {
  .ds-timeline__col { width: 41.6667%; padding-left: 0; }
  .ds-timeline__col--left  { text-align: right; padding-right: var(--space-12); order: 1; }
  .ds-timeline__col--right { text-align: left;  padding-left: var(--space-12);  order: 3; }
  .ds-timeline__col--empty { visibility: hidden; }
}

.ds-timeline__node {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: #fff;
  border: 6px solid #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 10;
  position: absolute;
  left: 12px;
  top: 24px;
  transition: all 0.5s ease;
}
@media (min-width: 768px) {
  .ds-timeline__node { left: 50%; transform: translateX(-50%); position: absolute; order: 2; }
}
.ds-timeline__node.is-active {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 20px rgba(255, 69, 0, 0.5) !important;
}

.ds-timeline__card {
  /* поверх ds-glass-card-sm — здесь только контентные стили */
  padding: var(--space-6);
}
.ds-timeline__card--accent {
  background: rgba(255, 69, 0, 0.10);
  box-shadow: 0 8px 32px rgba(255, 69, 0, 0.15);
}
.ds-timeline__title {
  font-family: var(--font-display);
  font-size: var(--text-headline-md);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.ds-timeline__value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.ds-timeline__note {
  color: var(--color-muted);
  font-size: var(--text-label-md);
}

/* ============================================================
   AUTHOR INTRO CARD (горизонтальный)
   ============================================================ */
.ds-author-intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  max-width: 56rem;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .ds-author-intro { flex-direction: row; }
}
.ds-author-intro__avatar {
  width: 96px; height: 96px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  object-fit: cover;
  flex-shrink: 0;
}
.ds-author-intro__text {
  text-align: center;
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}
@media (min-width: 768px) {
  .ds-author-intro__text { text-align: left; }
}
.ds-author-intro__text a {
  color: var(--color-primary);
  font-weight: var(--weight-semibold);
}
.ds-author-intro__text a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* ============================================================
   INSIGHT CARD  (3-колоночная сетка фактов)
   ============================================================ */
.ds-insights {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .ds-insights { grid-template-columns: repeat(3, 1fr); }
}
.ds-insight {
  padding: var(--space-8);
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: box-shadow var(--duration-base) ease;
}
.ds-insight:hover { box-shadow: var(--shadow-lg); }
.ds-insight__title {
  font-family: var(--font-display);
  font-size: var(--text-headline-md);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}
.ds-insight__body {
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   METHOD DETAILS (раскрывашка с источниками)
   ============================================================ */
.ds-method {
  padding: var(--space-6);
}
@media (min-width: 768px) { .ds-method { padding: var(--space-8); } }
.ds-method[open] .ds-method__toggle::after { content: "− свернуть"; }

.ds-method > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: var(--text-label-md);
  font-weight: var(--weight-bold);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps-2);
}
.ds-method > summary::-webkit-details-marker { display: none; }
.ds-method__toggle {
  color: var(--color-primary);
  text-transform: none;
  letter-spacing: normal;
  font-size: var(--text-body-md);
}
.ds-method__toggle::after { content: "+ раскрыть"; }
.ds-method__body {
  margin-top: var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-label-md);
  line-height: var(--leading-relaxed);
  color: var(--color-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.ds-method__body a { color: var(--color-primary); font-weight: var(--weight-semibold); }
.ds-method__body a:hover { text-decoration: underline; }

/* ============================================================
   TG SUBSCRIBE CARD — крупная финальная карточка
   ============================================================ */
.ds-tg-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-1);
  background: linear-gradient(135deg, rgba(42,171,238,0.15), rgba(34,158,217,0.05));
  border: 1px solid #fff;
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-xl);
}
.ds-tg-card__glow {
  position: absolute;
  top: -50%; right: -10%;
  width: 600px; height: 600px;
  background: rgba(42,171,238,0.2);
  filter: blur(120px);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.ds-tg-card__inner {
  position: relative;
  z-index: 1;
  background: var(--color-glass-bg);
  backdrop-filter: blur(40px);
  border: 1px solid var(--color-glass-bg-60);
  border-radius: 32px;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .ds-tg-card__inner { flex-direction: row; padding: var(--space-12); gap: var(--space-12); border-radius: 38px; }
}
.ds-tg-card__avatar-wrap {
  position: relative;
  flex-shrink: 0;
}
.ds-tg-card__avatar {
  width: 128px; height: 128px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(to top right, var(--color-tertiary-2), var(--color-tertiary-3));
  box-shadow: 0 24px 48px -12px rgba(42,171,238,0.30);
}
@media (min-width: 768px) {
  .ds-tg-card__avatar { width: 176px; height: 176px; }
}
.ds-tg-card__avatar img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  background: #fff;
}
.ds-tg-card__pill {
  position: absolute;
  bottom: -12px; left: 50%;
  transform: translateX(-50%);
  background: #fff;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  color: var(--color-tertiary-2);
  font-weight: var(--weight-bold);
  font-size: var(--text-label-md);
  white-space: nowrap;
  border: 1px solid rgba(42,171,238,0.1);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.ds-tg-card__pill::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-tertiary-2);
  animation: ds-pulse 2s ease-in-out infinite;
}
@keyframes ds-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.2); }
}

/* ============================================================
   TOP NAV
   ============================================================ */
.ds-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--container-pad-mobile);
  background: var(--color-glass-bg-40);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.60);
  box-shadow: var(--shadow-sm);
}
@media (min-width: 768px) {
  .ds-nav { padding: var(--space-4) var(--container-pad-desktop); }
}
.ds-nav__brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
.ds-nav__links {
  display: none;
  align-items: center;
  gap: var(--gutter);
}
@media (min-width: 768px) { .ds-nav__links { display: flex; } }

/* Mobile hamburger */
.ds-nav__burger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-text);
  font-size: 24px;
}
@media (min-width: 768px) { .ds-nav__burger { display: none; } }

.ds-nav__mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 49;
  background:
    radial-gradient(ellipse at 15% 85%, rgba(255,69,0,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 15%, rgba(100,180,255,0.12) 0%, transparent 50%),
    linear-gradient(160deg, #ffeadb 0%, #fff8f5 40%, #f0f4ff 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 0 var(--container-pad-mobile);
  overflow: hidden;
  overscroll-behavior: contain;
}
.ds-nav__mobile.is-open { display: flex; }
body.menu-open { overflow: hidden; height: 100%; touch-action: none; }
.ds-nav__mobile a {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: color 200ms ease;
}
.ds-nav__mobile a:first-of-type { border-top: 1px solid rgba(0,0,0,0.06); }
.ds-nav__mobile a::after {
  content: "\203A";
  font-size: 28px;
  color: rgba(0,0,0,0.2);
  font-weight: 400;
}
.ds-nav__mobile a:hover { color: var(--color-primary); }
.ds-nav__mobile a:hover::after { color: var(--color-primary); }
.ds-nav__mobile-close {
  position: absolute;
  top: var(--space-4);
  right: var(--container-pad-mobile);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-text);
  font-size: 28px;
}
.ds-nav__link {
  font-family: var(--font-body);
  color: var(--color-muted);
  font-weight: var(--weight-regular);
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--duration-base) ease;
}
.ds-nav__link .material-symbols-outlined {
  font-size: 18px;
  color: var(--color-primary);
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
.ds-nav__link:hover { color: var(--color-primary); }
.ds-nav__actions { display: flex; align-items: center; gap: var(--space-unit); }
.ds-nav__actions .ds-btn { height: 30px; padding: 0 12px; font-size: 12px; gap: 4px; }
.ds-nav__actions .ds-btn .material-symbols-outlined { font-size: 14px; }
@media (min-width: 768px) {
  .ds-nav__actions .ds-btn { height: 32px; padding: 0 14px; font-size: 13px; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.ds-footer {
  width: 100%;
  background: var(--color-text);
  border-top: 4px solid var(--color-primary);
  padding: var(--space-8) var(--container-pad-mobile);
  margin-top: var(--space-12);
  position: relative;
  z-index: 10;
}
@media (min-width: 768px) { .ds-footer { padding: var(--space-10) var(--container-pad-desktop); } }
.ds-footer__logo {
  font-family: var(--font-display);
  color: var(--color-surface);
  font-size: 20px;
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.ds-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-bottom: var(--space-8);
}
.ds-footer__links a {
  color: var(--color-surface-dim);
  font-weight: var(--weight-medium);
  transition: color var(--duration-base) ease;
}
.ds-footer__links a:hover { color: var(--color-primary-fixed-dim); }
.ds-footer__copy {
  color: rgba(220, 217, 217, 0.7);
  font-size: var(--text-label-md);
}
.ds-footer__credit {
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  color: rgba(220, 217, 217, 0.45);
}
.ds-footer__credit a {
  color: rgba(220, 217, 217, 0.6);
  text-decoration: none;
  transition: color var(--duration-base) ease;
}
.ds-footer__credit a:hover {
  color: var(--color-primary-fixed-dim);
}

/* Reading progress bar */
.ds-reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--color-primary);
  z-index: 100;
  transition: width 100ms linear;
}

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.ds-main {
  padding: 100px var(--container-pad-mobile) 0;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  min-height: 100vh;
  overflow-x: hidden;
}
@media (min-width: 768px) {
  .ds-main { padding: 140px var(--container-pad-desktop) 0; gap: var(--section-gap); }
}
.ds-section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto;
}
.ds-section-header > .ds-eyebrow { margin-bottom: var(--space-4); }
.ds-section-header > .ds-headline-lg { margin-bottom: var(--space-6); }

/* ============================================================
   SECTION-SPLIT  (двухколоночная секция со стики-заголовком)
   Используется для лонгридов и статей: яркий оранжевый
   заголовок слева, основной текст справа. На широком экране
   заголовок «прилипает» к верху при скролле.
   ============================================================ */
.ds-section-split {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
  padding: var(--space-10) 0;
  align-items: start;
}
@media (max-width: 720px) {
  .ds-section-split {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}
.ds-section-split__head {
  position: sticky;
  top: var(--space-20);
}
@media (max-width: 720px) {
  .ds-section-split__head { position: static; }
}
.ds-section-split__title {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.1;
  font-weight: var(--weight-bold);
  letter-spacing: -0.03em;
  color: var(--color-primary);
  margin: 0;
  max-width: 14rem;
}
.ds-section-split__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 69, 0, 0.3);
  transition: border-color var(--duration-fast) ease;
}
.ds-section-split__title a:hover {
  border-bottom-color: var(--color-primary);
}
.ds-section-split__body {
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.ds-section-split__body p { margin: 0; }
.ds-section-split__body p strong { font-weight: 600; }
.ds-section-split__body a,
.post-body a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 69, 0, 0.3);
  transition: border-color var(--duration-fast) ease;
}
.ds-section-split__body a:hover,
.post-body a:hover {
  border-bottom-color: var(--color-primary);
}

.ds-section-split__title--light {
  font-size: 24px;
  color: var(--color-text);
  font-weight: 600;
}

/* ============================================================
   PRO-TIP CALLOUT  (используется внутри ds-numbered__body)
   Glass-карточка с оранжевой левой полосой, иконка-лампочка,
   заголовок и тело — одинаковым body-шрифтом.
   ============================================================ */
.ds-protip {
  position: relative;
  background: var(--color-glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5) var(--space-6) var(--space-5) var(--space-6);
}
.ds-protip::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-4);
  bottom: var(--space-4);
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--color-primary);
}
.ds-protip__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  font-size: var(--text-body-md);
  line-height: 1.4;
  margin-bottom: var(--space-2);
}
.ds-protip__icon {
  font-size: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.ds-protip__body {
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}
.ds-protip__body strong { font-weight: 600; }

/* ============================================================
   BULLET LIST  — буллеты с маленькими оранжевыми точками
   ============================================================ */
.ds-bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.ds-bullet-list li {
  position: relative;
  padding-left: var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}
.ds-bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ============================================================
   AURORA CARD  — coloured blob pseudo-elements for glass cards
   Used on homepage, blog catalog, and "related posts" sections.
   Requires --kb-hue / --kb-hue-2 CSS vars on the element.
   ============================================================ */
.home-kb__card {
  position: relative;
  overflow: hidden;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 200px;
  text-decoration: none;
  color: inherit;
  isolation: isolate;
  transition: transform 420ms var(--ease-out-soft),
              box-shadow 420ms var(--ease-out-soft);
}
.home-kb__card::before {
  content: "";
  position: absolute;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  bottom: -30%;
  right: -20%;
  background: radial-gradient(circle, var(--kb-hue, rgba(255,69,0,0.30)) 0%, transparent 70%);
  filter: blur(40px);
  z-index: -1;
  opacity: 0.7;
  transition: transform 800ms var(--ease-out-soft), opacity 600ms var(--ease-out-soft);
}
.home-kb__card::after {
  content: "";
  position: absolute;
  width: 50%;
  aspect-ratio: 1;
  border-radius: 50%;
  top: -20%;
  left: -10%;
  background: radial-gradient(circle, var(--kb-hue-2, rgba(0,229,255,0.18)) 0%, transparent 70%);
  filter: blur(50px);
  z-index: -1;
  opacity: 0.55;
  transition: transform 1000ms var(--ease-out-soft), opacity 600ms var(--ease-out-soft);
}
.home-kb__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 80px -16px rgba(0,0,0,0.12),
              inset 0 0 0 1px rgba(255,255,255,0.7);
}
.home-kb__card:hover::before {
  transform: translate(-12%, -8%) scale(1.25);
  opacity: 1;
  filter: blur(30px);
}
.home-kb__card:hover::after {
  transform: translate(8%, 12%) scale(1.2);
  opacity: 0.85;
}
.home-kb__tag {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.home-kb__tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.home-kb__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 0;
}
.home-kb__cta {
  margin-top: auto;
  padding-top: var(--space-3);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: var(--color-primary);
}