/* ============================================================
   Total.kz /about-tech v3 — role-driven cockpit landing
   Premium 2026 style. Doesn't break v2; lives alongside.
   ============================================================ */

:root {
  --at3-bg: #ffffff;
  --at3-surface: #f7f7f8;
  --at3-surface-2: #eeeef1;
  --at3-surface-3: #e4e4ea;
  --at3-text: #0a0a0f;
  --at3-text-soft: #4a4a55;
  --at3-text-mute: #737380;
  --at3-border: #e6e6eb;
  --at3-border-strong: #d0d0d7;
  --at3-accent: #007A8C;
  --at3-accent-2: #00a3b8;
  --at3-accent-3: #6366f1;
  --at3-accent-4: #8b5cf6;
  --at3-danger: #dc2626;
  --at3-warning: #f59e0b;
  --at3-success: #10b981;
  --at3-dark-bg: #07080d;
  --at3-dark-surface: #111219;
  --at3-dark-surface-2: #171826;
  --at3-dark-text: #f5f5f7;
  --at3-dark-text-soft: #b5b5c3;
  --at3-dark-text-mute: #737388;
  --at3-dark-border: #1f2130;
  --at3-dark-border-strong: #2b2d42;
  --at3-radius: 16px;
  --at3-radius-sm: 10px;
  --at3-radius-lg: 24px;
  --at3-shadow-sm: 0 1px 2px rgba(10, 10, 15, 0.04), 0 1px 1px rgba(10, 10, 15, 0.03);
  --at3-shadow: 0 4px 16px rgba(10, 10, 15, 0.06), 0 2px 4px rgba(10, 10, 15, 0.04);
  --at3-shadow-lg: 0 24px 48px rgba(10, 10, 15, 0.10), 0 8px 16px rgba(10, 10, 15, 0.06);
}

.at3-root {
  font-family: 'Onest', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--at3-text);
  background: var(--at3-bg);
  line-height: 1.55;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

.at3-root *,
.at3-root *::before,
.at3-root *::after {
  box-sizing: border-box;
}

.at3-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.at3-section {
  padding: 96px 0;
  position: relative;
}
.at3-section--light { background: var(--at3-bg); color: var(--at3-text); }
.at3-section--dark {
  background: var(--at3-dark-bg);
  color: var(--at3-dark-text);
}
.at3-section--cta {
  background: linear-gradient(135deg, #007A8C 0%, #6366f1 100%);
  color: #ffffff;
}

.at3-sect__head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.at3-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--at3-accent);
  margin-bottom: 16px;
  padding: 6px 12px;
  background: rgba(0, 122, 140, 0.08);
  border-radius: 999px;
}
.at3-eyebrow--light {
  color: var(--at3-accent-2);
  background: rgba(0, 163, 184, 0.12);
}

.at3-h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--at3-text);
}
.at3-h2--light { color: var(--at3-dark-text); }

.at3-lede {
  font-size: 18px;
  color: var(--at3-text-soft);
  line-height: 1.6;
  margin: 0;
}
.at3-lede--light { color: var(--at3-dark-text-soft); }

/* ============================================================
   ROLE SELECTOR
   ============================================================ */
.at3-roles {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--at3-border);
}
.at3-roles__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.at3-roles__inner::-webkit-scrollbar { display: none; }

.at3-roles__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--at3-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  flex-shrink: 0;
}
.at3-roles__tabs {
  display: flex;
  gap: 6px;
  flex: 1;
}
.at3-role {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  color: var(--at3-text-soft);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  letter-spacing: -0.01em;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.at3-role:hover {
  background: var(--at3-surface);
  color: var(--at3-text);
}
.at3-role[aria-pressed="true"],
.at3-role.is-active,
.at3-role[aria-selected="true"] {
  background: var(--at3-text);
  color: var(--at3-bg);
  border-color: var(--at3-text);
}

/* Role-based filter is JS-driven (see inline script); CSS keeps sections visible by default */

/* ============================================================
   HERO — cinematic
   ============================================================ */
.at3-hero {
  position: relative;
  background: var(--at3-dark-bg);
  color: var(--at3-dark-text);
  overflow: hidden;
  padding: 120px 0 96px;
  isolation: isolate;
}
.at3-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.at3-hero__mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 20% 30%, rgba(0, 163, 184, 0.28), transparent 60%),
    radial-gradient(ellipse 50% 70% at 80% 20%, rgba(99, 102, 241, 0.24), transparent 60%),
    radial-gradient(ellipse 70% 60% at 50% 90%, rgba(139, 92, 246, 0.18), transparent 60%);
  filter: blur(40px);
  opacity: 0.9;
}
.at3-hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  animation: at3-float 18s ease-in-out infinite;
}
.at3-hero__orb--a {
  width: 380px; height: 380px;
  top: 8%; left: -4%;
  background: radial-gradient(circle, #00a3b8, transparent 70%);
}
.at3-hero__orb--b {
  width: 520px; height: 520px;
  top: 28%; right: -8%;
  background: radial-gradient(circle, #6366f1, transparent 70%);
  animation-delay: -6s;
}
.at3-hero__orb--c {
  width: 340px; height: 340px;
  bottom: -8%; left: 38%;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  animation-delay: -12s;
}
.at3-hero__grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.08 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: overlay;
}
@keyframes at3-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

.at3-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.at3-hero__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.28);
  border-radius: 999px;
  font-size: 13px;
  color: #5ee2b5;
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
}
.at3-pulse {
  width: 8px; height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: at3-pulse 2s infinite;
  flex-shrink: 0;
}
@keyframes at3-pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.at3-status__text { font-weight: 500; }
.at3-status__k { color: var(--at3-dark-text-mute); margin-left: 8px; font-weight: 400; }
.at3-status__v { color: var(--at3-dark-text); font-weight: 600; }

.at3-hero__title {
  font-size: clamp(40px, 6.5vw, 80px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin: 0 0 28px;
  color: var(--at3-dark-text);
}
.at3-hero__l1 {
  display: block;
  background: linear-gradient(135deg, #ffffff 0%, #b5b5c3 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.at3-hero__l2 {
  display: block;
  background: linear-gradient(135deg, #00a3b8 0%, #6366f1 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin-top: 6px;
}

.at3-hero__lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--at3-dark-text-soft);
  line-height: 1.6;
  margin: 0 auto 40px;
  max-width: 680px;
}

.at3-hero__counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 0 0 40px;
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--at3-radius-lg);
  backdrop-filter: blur(12px);
}
.at3-counter { text-align: center; }
.at3-counter__v {
  display: block;
  font-size: clamp(22px, 3.2vw, 36px);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--at3-dark-text);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.at3-counter__l {
  display: block;
  font-size: 12px;
  color: var(--at3-dark-text-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 6px;
}

.at3-hero__ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   CTA buttons
   ============================================================ */
.at3-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.at3-cta--primary {
  background: #ffffff;
  color: var(--at3-dark-bg);
}
.at3-cta--primary:hover {
  background: #f0f0f0;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
}
.at3-cta--ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--at3-dark-text);
  border-color: rgba(255, 255, 255, 0.14);
}
.at3-cta--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
}
.at3-cta--dark {
  background: var(--at3-text);
  color: var(--at3-bg);
}
.at3-cta--dark:hover {
  background: #1a1a24;
  transform: translateY(-1px);
}
.at3-cta--light {
  background: rgba(255, 255, 255, 0.95);
  color: var(--at3-accent);
}
.at3-cta--light:hover {
  background: #ffffff;
  transform: translateY(-1px);
}
.at3-cta--full { width: 100%; }

/* ============================================================
   LIVE ASK WIDGET
   ============================================================ */
.at3-ask {
  max-width: 860px;
  margin: 0 auto;
  background: var(--at3-surface);
  border: 1px solid var(--at3-border);
  border-radius: var(--at3-radius-lg);
  padding: 28px;
  box-shadow: var(--at3-shadow-lg);
}
.at3-section--dark .at3-ask {
  background: var(--at3-dark-surface);
  border-color: var(--at3-dark-border);
}

.at3-ask__form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-bottom: 14px;
}
.at3-ask__input {
  appearance: none;
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  color: var(--at3-text);
  background: var(--at3-bg);
  border: 1px solid var(--at3-border);
  border-radius: 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.at3-ask__input:focus {
  outline: none;
  border-color: var(--at3-accent);
  box-shadow: 0 0 0 4px rgba(0, 122, 140, 0.12);
}
.at3-section--dark .at3-ask__input {
  background: var(--at3-dark-surface-2);
  color: var(--at3-dark-text);
  border-color: var(--at3-dark-border);
}

.at3-ask__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 22px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  background: linear-gradient(135deg, var(--at3-accent) 0%, var(--at3-accent-3) 100%);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.at3-ask__btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(0, 122, 140, 0.3); }
.at3-ask__btn:disabled { opacity: 0.6; cursor: wait; transform: none; }
.at3-ask__btn-icon { font-size: 18px; }

.at3-ask__presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.at3-ask__preset-label {
  font-size: 12px;
  color: var(--at3-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.at3-preset {
  appearance: none;
  padding: 6px 12px;
  background: var(--at3-bg);
  border: 1px solid var(--at3-border);
  color: var(--at3-text-soft);
  font-family: inherit;
  font-size: 13px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
}
.at3-preset:hover {
  background: var(--at3-accent);
  color: #fff;
  border-color: var(--at3-accent);
}
.at3-section--dark .at3-preset {
  background: var(--at3-dark-surface-2);
  border-color: var(--at3-dark-border);
  color: var(--at3-dark-text-soft);
}

.at3-ask__hint {
  font-size: 12px;
  color: var(--at3-text-mute);
  margin: 12px 0 0;
}

.at3-ask__result {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--at3-border);
  animation: at3-fade-in 0.4s ease;
}
.at3-section--dark .at3-ask__result {
  border-top-color: var(--at3-dark-border);
}
@keyframes at3-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.at3-ask__loading {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--at3-text-soft);
  font-size: 14px;
  padding: 16px 0;
}
.at3-ask__loading::before {
  content: "";
  width: 16px; height: 16px;
  border: 2px solid var(--at3-border);
  border-top-color: var(--at3-accent);
  border-radius: 50%;
  animation: at3-spin 0.8s linear infinite;
}
@keyframes at3-spin { to { transform: rotate(360deg); } }

.at3-ask__err {
  padding: 12px 16px;
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: var(--at3-danger);
  border-radius: 12px;
  font-size: 14px;
}

.at3-ask__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.at3-ask__badge[data-confidence="high"] {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
}
.at3-ask__badge[data-confidence="medium"] {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
}
.at3-ask__badge[data-confidence="low"] {
  background: rgba(239, 68, 68, 0.10);
  color: var(--at3-danger);
}

.at3-ask__answer {
  font-size: 16px;
  line-height: 1.7;
  color: var(--at3-text);
  margin: 0 0 16px;
  white-space: pre-wrap;
  word-break: break-word;
}
.at3-section--dark .at3-ask__answer { color: var(--at3-dark-text); }

.at3-ask__ref {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: var(--at3-accent);
  color: #fff;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  vertical-align: super;
  margin: 0 2px;
  line-height: 1;
}
.at3-ask__ref:hover { background: var(--at3-accent-3); }

.at3-ask__sources {
  display: grid;
  gap: 8px;
  margin: 16px 0;
}
.at3-ask__src {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  padding: 10px 12px;
  background: var(--at3-bg);
  border: 1px solid var(--at3-border);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
.at3-ask__src:hover {
  border-color: var(--at3-accent);
  transform: translateX(2px);
}
.at3-section--dark .at3-ask__src {
  background: var(--at3-dark-surface-2);
  border-color: var(--at3-dark-border);
}
.at3-ask__src-n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  background: var(--at3-accent);
  color: #fff;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}
.at3-ask__src-t {
  font-size: 14px;
  color: var(--at3-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.at3-section--dark .at3-ask__src-t { color: var(--at3-dark-text); }
.at3-ask__src-t2 {
  font-size: 12px;
  color: var(--at3-text-mute);
  margin-top: 2px;
}
.at3-ask__src-d {
  font-size: 12px;
  color: var(--at3-text-mute);
  flex-shrink: 0;
}

.at3-ask__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--at3-border);
  font-size: 12px;
  color: var(--at3-text-mute);
}
.at3-section--dark .at3-ask__meta { border-top-color: var(--at3-dark-border); }
.at3-ask__stat {
  display: inline-flex;
  gap: 4px;
}
.at3-ask__stat b { color: var(--at3-text); font-weight: 600; }
.at3-section--dark .at3-ask__stat b { color: var(--at3-dark-text); }

/* ============================================================
   BADGE (reusable)
   ============================================================ */
.at3-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  background: var(--at3-surface);
  color: var(--at3-text-soft);
  border-radius: 999px;
}
.at3-section--dark .at3-badge {
  background: rgba(255, 255, 255, 0.08);
  color: var(--at3-dark-text-soft);
}

/* ============================================================
   ENGINE (6 blocks)
   ============================================================ */
.at3-eng__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.at3-eng__cell {
  position: relative;
  padding: 20px 22px;
  background: var(--at3-dark-surface);
  border: 1px solid var(--at3-dark-border);
  border-radius: var(--at3-radius);
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.at3-eng__cell b {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--at3-dark-text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.at3-eng__cell span {
  display: block;
  font-size: 12px;
  color: var(--at3-dark-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.at3-eng__cell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 163, 184, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}
.at3-eng__cell:hover {
  transform: translateY(-2px);
  border-color: var(--at3-accent-2);
}
.at3-eng__cell:hover::before { opacity: 1; }
.at3-eng__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}
.at3-eng__n {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  color: var(--at3-accent-2);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.at3-eng__t {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--at3-dark-text);
}
.at3-eng__p {
  font-size: 14px;
  color: var(--at3-dark-text-soft);
  line-height: 1.55;
  margin: 0 0 14px;
}
.at3-engine__foot {
  margin-top: 28px;
  text-align: center;
  font-size: 13px;
  color: var(--at3-dark-text-mute);
}

/* ============================================================
   GROWTH CHART
   ============================================================ */
.at3-growth {
  max-width: 1080px;
  margin: 0 auto;
  background: var(--at3-surface);
  border: 1px solid var(--at3-border);
  border-radius: var(--at3-radius-lg);
  padding: 32px;
  box-shadow: var(--at3-shadow);
}
.at3-growth__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--at3-border);
}
.at3-gstat { }
.at3-gstat b {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--at3-text);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.at3-gstat span {
  font-size: 12px;
  color: var(--at3-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.at3-growth__chart {
  position: relative;
  height: 280px;
}

/* ============================================================
   ARCHITECTURE (5 zones)
   ============================================================ */
.at3-arch {
  max-width: 1080px;
  margin: 0 auto;
}
.at3-arch__list {
  display: grid;
  gap: 16px;
}
.at3-arch__zone {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 22px 24px;
  background: var(--at3-dark-surface);
  border: 1px solid var(--at3-dark-border);
  border-radius: var(--at3-radius);
  transition: border-color 0.2s;
}
.at3-arch__zone:hover { border-color: var(--at3-accent-2); }
.at3-arch__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  font-size: 16px;
  font-weight: 700;
  color: var(--at3-accent-2);
  background: rgba(0, 163, 184, 0.12);
  border-radius: 12px;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.at3-arch__t {
  font-size: 16px;
  font-weight: 600;
  color: var(--at3-dark-text);
  margin: 0 0 4px;
}
.at3-arch__t + p {
  font-size: 14px;
  color: var(--at3-dark-text-soft);
  margin: 0;
  line-height: 1.55;
}
.at3-arch__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
  max-width: 280px;
}
.at3-arch__arrow {
  text-align: center;
  font-size: 22px;
  color: var(--at3-dark-border-strong);
  padding: 2px 0;
  line-height: 1;
}

/* ============================================================
   API (curl examples)
   ============================================================ */
.at3-api {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}
.at3-api__item {
  padding: 24px;
  background: var(--at3-surface);
  border: 1px solid var(--at3-border);
  border-radius: var(--at3-radius);
  transition: border-color 0.2s;
}
.at3-api__item:hover { border-color: var(--at3-border-strong); }
.at3-api__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.at3-api__method {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--at3-accent-3);
}
.at3-api__method--get {
  background: rgba(16, 185, 129, 0.12);
  color: var(--at3-success);
}
.at3-api__path {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 14px;
  color: var(--at3-text);
  font-weight: 600;
}
.at3-api__desc {
  font-size: 14px;
  color: var(--at3-text-soft);
  margin: 0 0 14px;
}
.at3-api__foot {
  font-size: 12px;
  color: var(--at3-text-mute);
  margin: 10px 0 0;
}
.at3-api__foot b { color: var(--at3-text); font-weight: 600; }

.at3-code {
  display: block;
  padding: 16px 18px;
  background: var(--at3-dark-bg);
  color: #e4e4ea;
  border-radius: 10px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
  margin: 0;
  border: 1px solid var(--at3-dark-border);
}

/* ============================================================
   ECONOMICS
   ============================================================ */
.at3-econ {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 1px;
  background: var(--at3-dark-border);
  border: 1px solid var(--at3-dark-border);
  border-radius: var(--at3-radius);
  overflow: hidden;
}
.at3-econ__row {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 1px;
  background: var(--at3-dark-border);
}
.at3-econ__row--split {
  grid-template-columns: 1fr 1fr;
}
.at3-econ__cell {
  padding: 18px 22px;
  background: var(--at3-dark-surface);
  font-size: 14px;
  color: var(--at3-dark-text-soft);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.at3-econ__cell:last-child {
  text-align: right;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  color: var(--at3-dark-text);
  font-weight: 600;
}
.at3-econ__row--split .at3-econ__cell:last-child { text-align: left; font-family: inherit; }
.at3-econ__cell--accent {
  background: linear-gradient(135deg, rgba(0, 122, 140, 0.22), rgba(99, 102, 241, 0.22));
  color: var(--at3-dark-text) !important;
  font-weight: 700;
  font-size: 16px;
}
.at3-econ__cell b { color: var(--at3-dark-text); font-weight: 600; }

/* ============================================================
   WORKFLOWS (replaced 18-row table)
   ============================================================ */
.at3-wf {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.at3-wf__card {
  padding: 28px;
  background: var(--at3-bg);
  border: 1px solid var(--at3-border);
  border-radius: var(--at3-radius);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.at3-wf__card:hover {
  border-color: var(--at3-accent);
  transform: translateY(-2px);
  box-shadow: var(--at3-shadow-lg);
}
.at3-wf__num {
  display: inline-block;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--at3-accent);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.at3-wf__t {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--at3-text);
}
.at3-wf__p {
  font-size: 14px;
  color: var(--at3-text-soft);
  line-height: 1.6;
  margin: 0 0 14px;
}
.at3-wf__req {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--at3-surface-2);
  color: var(--at3-text-soft);
  border-radius: 6px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
}

/* ============================================================
   EDITORIAL TRACK (3 cards)
   ============================================================ */
.at3-edit {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .at3-edit { grid-template-columns: repeat(2, 1fr); }
  .at3-edit__card:last-child { grid-column: 1 / -1; max-width: 540px; margin: 0 auto; width: 100%; }
}
.at3-edit__card {
  position: relative;
  padding: 28px;
  background: var(--at3-bg);
  border: 1px solid var(--at3-border);
  border-radius: var(--at3-radius);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.at3-edit__card:hover {
  border-color: var(--at3-accent);
  transform: translateY(-2px);
  box-shadow: var(--at3-shadow-lg);
}
.at3-edit__card--soon {
  background: linear-gradient(180deg, var(--at3-surface) 0%, var(--at3-bg) 100%);
}
.at3-edit__card--soon:hover {
  border-color: var(--at3-accent-3);
}
.at3-edit__num {
  display: inline-block;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--at3-accent);
  padding: 4px 10px;
  background: rgba(0, 122, 140, 0.1);
  border-radius: 6px;
  align-self: flex-start;
}
.at3-edit__card--soon .at3-edit__num {
  color: var(--at3-accent-3);
  background: rgba(99, 102, 241, 0.1);
}
.at3-edit__t {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--at3-text);
  line-height: 1.25;
}
.at3-edit__p {
  font-size: 14px;
  color: var(--at3-text-soft);
  line-height: 1.6;
  margin: 0;
}
.at3-edit__demo {
  padding: 14px 16px;
  background: var(--at3-surface);
  border: 1px solid var(--at3-border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}
.at3-edit__q {
  font-size: 13px;
  color: var(--at3-text-soft);
  font-style: italic;
  padding-left: 10px;
  border-left: 2px solid var(--at3-accent);
  line-height: 1.45;
}
.at3-edit__a {
  font-size: 13.5px;
  color: var(--at3-text);
  line-height: 1.55;
}
.at3-edit__m {
  font-size: 11px;
  color: var(--at3-text-mute);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: -0.01em;
  padding-top: 4px;
  border-top: 1px dashed var(--at3-border);
}
.at3-edit__ref {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--at3-accent);
  color: #fff;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  text-decoration: none;
  vertical-align: super;
  margin: 0 1px;
  line-height: 1;
}
.at3-edit__try {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--at3-text);
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s;
}
.at3-edit__try:hover { background: #1a1a24; }
.at3-edit__try--soon {
  background: var(--at3-surface-2);
  color: var(--at3-text-mute);
  cursor: default;
  font-weight: 500;
}
.at3-edit__try--soon:hover { background: var(--at3-surface-2); }

/* ============================================================
   NEXT / ROADMAP
   ============================================================ */
.at3-next {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.at3-next__col {
  padding: 28px;
  background: var(--at3-surface);
  border: 1px solid var(--at3-border);
  border-radius: var(--at3-radius);
}
.at3-next__when {
  display: inline-block;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--at3-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding: 4px 10px;
  background: rgba(0, 122, 140, 0.1);
  border-radius: 6px;
}
.at3-next__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.at3-next__list li {
  font-size: 14px;
  color: var(--at3-text-soft);
  line-height: 1.55;
  padding-left: 18px;
  position: relative;
}
.at3-next__list li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--at3-accent);
  font-weight: 600;
}

/* ============================================================
   STACK
   ============================================================ */
.at3-stack {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.at3-stack__col {
  padding: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--at3-dark-border);
  border-radius: var(--at3-radius);
}
.at3-stack__t {
  font-size: 13px;
  font-weight: 600;
  color: var(--at3-accent-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 14px;
}
.at3-stack__items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.at3-stack__items li {
  font-size: 13.5px;
  color: var(--at3-dark-text-soft);
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: -0.01em;
}

/* ============================================================
   PARTNER CTA
   ============================================================ */
.at3-partner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.at3-partner__text {
  color: #ffffff;
}
.at3-partner__text h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 16px;
  color: #ffffff;
}
.at3-partner__text p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin: 0 0 24px;
}
.at3-partner__bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: grid;
  gap: 12px;
}
.at3-partner__bullets li {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
  padding-left: 26px;
  position: relative;
  line-height: 1.5;
}
.at3-partner__bullets li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  font-size: 11px;
  color: #ffffff;
}
.at3-partner__contacts {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}
.at3-partner__contacts a {
  color: #ffffff;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.at3-partner__form {
  background: rgba(255, 255, 255, 0.98);
  padding: 32px;
  border-radius: var(--at3-radius-lg);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
  display: grid;
  gap: 16px;
}

.at3-partner__pick {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 4px;
}
.at3-partner__pick label {
  display: block;
  position: relative;
}
.at3-partner__pick input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.at3-partner__pick span {
  display: block;
  padding: 10px 8px;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  color: var(--at3-text-soft);
  background: var(--at3-surface);
  border: 1px solid var(--at3-border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s;
}
.at3-partner__pick input[type="radio"]:checked + span {
  background: var(--at3-text);
  color: #fff;
  border-color: var(--at3-text);
}
.at3-partner__pick label:hover span {
  border-color: var(--at3-text-soft);
}

.at3-field { display: grid; gap: 6px; }
.at3-field__l {
  font-size: 13px;
  font-weight: 500;
  color: var(--at3-text-soft);
}
.at3-field__i {
  appearance: none;
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--at3-text);
  background: var(--at3-bg);
  border: 1px solid var(--at3-border);
  border-radius: 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.at3-field__i:focus {
  outline: none;
  border-color: var(--at3-accent);
  box-shadow: 0 0 0 3px rgba(0, 122, 140, 0.12);
}
.at3-field__i--area {
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
  line-height: 1.5;
}

.at3-partner__note {
  font-size: 12px;
  color: var(--at3-text-mute);
  margin: 4px 0 0;
  line-height: 1.5;
}

.at3-partner__honeypot {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.at3-partner__status {
  font-size: 13.5px;
  line-height: 1.5;
  min-height: 20px;
  padding: 10px 12px;
  border-radius: 10px;
  transition: background 0.2s, color 0.2s;
}
.at3-partner__status:empty { padding: 0; min-height: 0; }
.at3-partner__status--loading {
  background: rgba(0, 122, 140, 0.08);
  color: var(--at3-accent);
}
.at3-partner__status--ok {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  font-weight: 500;
}
.at3-partner__status--err {
  background: rgba(220, 38, 38, 0.08);
  color: var(--at3-danger);
}

.at3-contact {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .at3-section { padding: 72px 0; }
  .at3-hero { padding: 88px 0 72px; }
  .at3-hero__counters { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 20px 16px; }
  .at3-eng__grid { grid-template-columns: repeat(2, 1fr); }
  .at3-wf { grid-template-columns: 1fr; }
  .at3-next { grid-template-columns: 1fr; }
  .at3-stack { grid-template-columns: repeat(2, 1fr); }
  .at3-partner { grid-template-columns: 1fr; gap: 32px; }
  .at3-arch__zone {
    grid-template-columns: auto 1fr;
    gap: 14px;
  }
  .at3-arch__badges {
    grid-column: 1 / -1;
    justify-content: flex-start;
    max-width: none;
    padding-left: 60px;
  }
}

@media (max-width: 640px) {
  .at3-container { padding: 0 16px; }
  .at3-section { padding: 56px 0; }
  .at3-sect__head { margin-bottom: 40px; }
  .at3-hero { padding: 72px 0 56px; }
  .at3-hero__title { font-size: clamp(32px, 9vw, 48px); }
  .at3-hero__counters { grid-template-columns: repeat(2, 1fr); }
  .at3-counter__v { font-size: 22px; }
  .at3-counter__l { font-size: 10px; }
  .at3-ask { padding: 20px; border-radius: 16px; }
  .at3-ask__form { grid-template-columns: 1fr; }
  .at3-ask__btn { padding: 14px 20px; }
  .at3-eng__grid { grid-template-columns: 1fr; }
  .at3-stack { grid-template-columns: 1fr; }
  .at3-growth { padding: 20px; }
  .at3-growth__stats { grid-template-columns: repeat(2, 1fr); }
  .at3-growth__chart { height: 220px; }
  .at3-econ__row, .at3-econ__row--split { grid-template-columns: 1fr; }
  .at3-econ__cell:last-child { text-align: left; }
  .at3-arch__zone { grid-template-columns: 1fr; text-align: left; }
  .at3-arch__badges { padding-left: 0; }
  .at3-partner__form { padding: 24px; }
  .at3-partner__pick { grid-template-columns: 1fr; }
  .at3-edit { grid-template-columns: 1fr; gap: 16px; }
  .at3-edit__card { padding: 22px; }
  .at3-edit__t { font-size: 20px; }
  .at3-hero__orb { filter: blur(48px); }
  .at3-roles__inner { padding: 10px 0; }
  .at3-roles__label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .at3-hero__orb, .at3-pulse { animation: none !important; }
  .at3-counter__v { transition: none !important; }
  * { scroll-behavior: auto !important; }
}