/* Avitologia3 — отдельный визуальный язык (не flow). Токены из theme-tokens + локальные шрифты. */
body.site-a3 {
  --a3-max: 72rem;
  --a3-gutter: clamp(16px, 4vw, 32px);
  --font: "Onest", system-ui, sans-serif;
  --font-display: "Commissioner", system-ui, sans-serif;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

/* WebGL под слоем вуали (js/shader-bg-avitologia3.js); класс has-shader-bg на html задаёт скрипт */
.site-a3 .shader-bg {
  z-index: 0;
}

.site-a3 .a3-bg {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  /* Вуаль поверх шейдера: читаемость + цвета темы */
  background:
    radial-gradient(ellipse 80% 50% at 85% 10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 55%),
    radial-gradient(ellipse 60% 45% at 0% 90%, color-mix(in srgb, var(--warn) 10%, transparent), transparent 50%),
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--bg) 58%, transparent) 0%,
      color-mix(in srgb, var(--bg-elevated) 52%, transparent) 100%
    );
}

html.has-shader-bg .site-a3 .a3-bg {
  opacity: 0.88;
}

html.theme-light.has-shader-bg .site-a3 .a3-bg {
  opacity: 0.92;
}

.site-a3 .a3-wrap {
  position: relative;
  z-index: 2;
}

.site-a3 .a3-container {
  width: 100%;
  max-width: var(--a3-max);
  margin-inline: auto;
  padding-inline: var(--a3-gutter);
}

/* --- Header --- */
.site-a3 .a3-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px);
}

.site-a3 .a3-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 4.25rem;
}

.site-a3 .a3-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.site-a3 .a3-logo span {
  color: var(--accent);
}

.site-a3 .a3-nav {
  display: none;
  align-items: center;
  gap: 8px;
}

@media (min-width: 768px) {
  .site-a3 .a3-nav {
    display: flex;
    flex: 1;
    justify-content: center;
    flex-wrap: wrap;
  }
}

.site-a3 .a3-nav a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  transition: color 0.15s, background 0.15s;
}

.site-a3 .a3-nav a:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--bg-card) 80%, transparent);
}

.site-a3 .a3-top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-a3 .a3-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
}

@media (min-width: 768px) {
  .site-a3 .a3-nav-toggle {
    display: none;
  }
}

.site-a3 .a3-drawer {
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.site-a3 .a3-drawer__inner {
  padding: 16px var(--a3-gutter) 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-a3 .a3-drawer-theme {
  margin-bottom: 8px;
}

.site-a3 .a3-drawer a {
  padding: 12px 8px;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-lg);
}

.site-a3 .a3-drawer a:hover {
  background: var(--bg-card);
}

.site-a3 .a3-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.15s ease, background 0.15s;
}

.site-a3 .a3-btn--primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.site-a3 .a3-btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.site-a3 .a3-btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.site-a3 .a3-btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
}

/* --- Hero --- */
.site-a3 .a3-hero {
  padding: clamp(48px, 10vw, 120px) 0 clamp(40px, 8vw, 80px);
}

.site-a3 .a3-hero__grid {
  display: grid;
  gap: clamp(32px, 6vw, 64px);
  align-items: start;
}

@media (min-width: 960px) {
  .site-a3 .a3-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.site-a3 .a3-eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-hover);
  background: var(--accent-soft);
  border-radius: var(--radius-pill);
}

.site-a3 .a3-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.site-a3 .a3-hero__lead {
  margin: 0 0 28px;
  max-width: 36rem;
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--muted);
}

.site-a3 .a3-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.site-a3 .a3-hero__note {
  margin: 0;
  font-size: 0.84rem;
  color: color-mix(in srgb, var(--muted) 92%, var(--text));
  max-width: 32rem;
}

.site-a3 .a3-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-a3 .a3-stack-card {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-card) 92%, transparent);
  box-shadow: var(--shadow-card);
}

.site-a3 .a3-stack-card strong {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.site-a3 .a3-stack-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text);
}

/* --- Sections common --- */
.site-a3 .a3-section {
  padding: clamp(48px, 8vw, 96px) 0;
}

.site-a3 .a3-section--tight {
  padding: clamp(40px, 6vw, 72px) 0;
}

.site-a3 .a3-section--invert {
  background: color-mix(in srgb, var(--bg-elevated) 90%, var(--accent) 4%);
  border-block: 1px solid var(--border);
}

.site-a3 .a3-section__head {
  max-width: 40rem;
  margin-bottom: clamp(28px, 5vw, 48px);
}

.site-a3 .a3-section__head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  letter-spacing: -0.02em;
}

.site-a3 .a3-section__head p {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--muted);
}

/* --- Pain deck --- */
.site-a3 .a3-pain-deck {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .site-a3 .a3-pain-deck {
    grid-template-columns: repeat(3, 1fr);
  }
}

.site-a3 .a3-pain {
  padding: 24px 22px;
  border-radius: 20px;
  background: linear-gradient(145deg, var(--bg-card), color-mix(in srgb, var(--bg-card) 42%, var(--bg)));
  border: 1px solid var(--border);
  min-height: 100%;
}

.site-a3 .a3-pain__tag {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--warn);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.site-a3 .a3-pain h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}

.site-a3 .a3-pain p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted);
}

/* --- Timeline --- */
.site-a3 .a3-timeline {
  display: grid;
  gap: 0;
  position: relative;
  padding-left: 8px;
}

@media (min-width: 800px) {
  .site-a3 .a3-timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-left: 0;
  }

  .site-a3 .a3-timeline::before {
    display: none;
  }
}

.site-a3 .a3-timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(var(--accent), transparent);
  border-radius: 2px;
}

.site-a3 .a3-step {
  position: relative;
  padding: 16px 16px 24px 48px;
}

@media (min-width: 800px) {
  .site-a3 .a3-step {
    padding: 20px 16px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--bg-card);
  }
}

.site-a3 .a3-step::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

@media (min-width: 800px) {
  .site-a3 .a3-step::before {
    position: static;
    display: block;
    margin-bottom: 12px;
  }
}

.site-a3 .a3-step__n {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--muted) 35%, var(--text));
  line-height: 1;
  margin-bottom: 8px;
}

.site-a3 .a3-step h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
}

.site-a3 .a3-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--muted);
}

/* --- Chips --- */
.site-a3 .a3-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-a3 .a3-chip {
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-card) 70%, transparent);
}

/* --- Fork (3 cards) --- */
.site-a3 .a3-fork {
  display: grid;
  gap: 20px;
}

@media (min-width: 900px) {
  .site-a3 .a3-fork {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.site-a3 .a3-fork-card {
  padding: 28px 22px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
}

.site-a3 .a3-fork-card--featured {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 20px 48px var(--accent-soft);
  background: linear-gradient(160deg, var(--bg-card), color-mix(in srgb, var(--bg-card) 70%, var(--accent-dim)));
}

.site-a3 .a3-fork-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.site-a3 .a3-fork-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  flex: 1;
}

.site-a3 .a3-fork-card li {
  position: relative;
  padding: 8px 0 8px 20px;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.site-a3 .a3-fork-card li:last-child {
  border-bottom: none;
}

.site-a3 .a3-fork-card li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 900;
}

.site-a3 .a3-fork-badge {
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.site-a3 .a3-fork-card--featured .a3-fork-badge {
  background: var(--accent);
  color: var(--on-accent);
}

/* --- Week rail --- */
.site-a3 .a3-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (min-width: 880px) {
  .site-a3 .a3-rail {
    flex-direction: row;
    align-items: stretch;
    gap: 0;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
  }

  .site-a3 .a3-rail__cell {
    flex: 1;
    padding: 20px 18px;
    border-right: 1px solid var(--border);
    background: var(--bg-card);
  }

  .site-a3 .a3-rail__cell:last-child {
    border-right: none;
  }
}

.site-a3 .a3-rail__cell {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

@media (min-width: 880px) {
  .site-a3 .a3-rail__cell {
    border-radius: 0;
    border: none;
  }
}

.site-a3 .a3-rail__day {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.site-a3 .a3-rail p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--muted);
}

/* --- Myth grid --- */
.site-a3 .a3-myth-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .site-a3 .a3-myth-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.site-a3 .a3-myth {
  padding: 20px 20px 20px 22px;
  border-radius: 12px;
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--bg-card) 85%, transparent);
}

.site-a3 .a3-myth strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--text);
}

.site-a3 .a3-myth p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
}

/* --- CTA band --- */
.site-a3 .a3-band {
  text-align: center;
  padding: clamp(40px, 8vw, 72px) var(--a3-gutter);
  border-radius: 24px;
  margin-inline: var(--a3-gutter);
  max-width: calc(var(--a3-max) + 2 * var(--a3-gutter));
  margin-left: auto;
  margin-right: auto;
  background: linear-gradient(120deg, var(--accent-dim), var(--accent));
  color: var(--on-accent);
  box-shadow: 0 24px 64px var(--accent-glow);
}

.site-a3 .a3-band h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.site-a3 .a3-band p {
  margin: 0 auto 20px;
  max-width: 36rem;
  font-size: 1rem;
  opacity: 0.95;
}

.site-a3 .a3-band .a3-btn--ghost {
  border-color: color-mix(in srgb, var(--on-accent) 45%, transparent);
  color: var(--on-accent);
}

.site-a3 .a3-band .a3-btn--ghost:hover {
  background: color-mix(in srgb, var(--on-accent) 14%, transparent);
  border-color: var(--on-accent);
}

/* --- Brief --- */
.site-a3 .a3-brief {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

@media (min-width: 900px) {
  .site-a3 .a3-brief {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: start;
  }
}

.site-a3 .a3-brief-aside h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.site-a3 .a3-brief-aside ol {
  margin: 0 0 20px;
  padding-left: 1.2rem;
  color: var(--muted);
  line-height: 1.65;
  font-size: 0.95rem;
}

.site-a3 .a3-brief-aside li {
  margin-bottom: 8px;
}

.site-a3 .a3-brief-note {
  font-size: 0.86rem;
  color: var(--muted);
  margin: 0;
}

.site-a3 .a3-brief-panel {
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
}

/* Footer */
.site-a3 .a3-footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--border);
  font-size: 0.84rem;
  color: var(--muted);
}

.site-a3 .a3-footer a {
  color: var(--accent-hover);
}

.site-a3 .a3-skip {
  position: fixed;
  z-index: 10000;
  left: 12px;
  top: 12px;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.82rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 10px;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 0.2s;
}

.site-a3 .a3-skip:focus {
  transform: translateY(0);
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

html.theme-light .site-a3 .a3-topbar {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

html.theme-light .site-a3 .a3-stack-card,
html.theme-light .site-a3 .a3-fork-card,
html.theme-light .site-a3 .a3-rail__cell {
  background: var(--bg-card);
}