/* ===================================================================
   ZРАЧОК + НЕЙРОГЕЙТ — добавочные стили в дизайн-системе «Эшелон-Z»
   Используют CSS-переменные из base.css (--accent, --bg-card, шрифты).
   Самодостаточно: подключается отдельным <link> в <head> index.php.
   =================================================================== */

/* ----- Общая секция «Зрачок» ----- */
.zr-section { position: relative; background: var(--bg-secondary); overflow: hidden; }
.zr-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(0,120,255,0.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0,120,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
}
.zr-section .container { position: relative; z-index: 1; }

/* ----- Угроза → решение ----- */
.zr-threat {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px;
  align-items: stretch; margin-top: 8px;
}
.zr-threat-card {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 28px 30px;
  transition: all .4s cubic-bezier(0.25,0.46,0.45,0.94);
}
.zr-threat-card:hover {
  border-color: var(--border-accent); background: var(--gradient-card-hover);
  transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.zr-threat-card--bad { border-left: 3px solid #ff4444; }
.zr-threat-card--good { border-left: 3px solid var(--accent); }
.zr-threat-label {
  font-family: var(--font-heading); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px;
}
.zr-threat-card--bad .zr-threat-label { color: #ff6666; }
.zr-threat-card--good .zr-threat-label { color: var(--accent-light); }
.zr-threat-card h4 {
  font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700;
  color: #fff; margin-bottom: 8px; letter-spacing: 0.3px;
}
.zr-threat-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.65; }
.zr-threat-arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 1.8rem; opacity: 0.6;
}

/* ----- Замкнутый контур (loop) — на базе .ai-pipeline-step ----- */
.zr-loop {
  display: flex; align-items: stretch; justify-content: center;
  flex-wrap: wrap; gap: 12px; margin-top: 8px;
}
.zr-loop-step {
  flex: 1; min-width: 180px; max-width: 240px;
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 22px 18px; text-align: center;
  position: relative; transition: all .4s cubic-bezier(0.25,0.46,0.45,0.94);
}
.zr-loop-step:hover {
  border-color: var(--border-accent); background: var(--gradient-card-hover);
  transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.zr-loop-icon { font-size: 1.7rem; margin-bottom: 10px; }
.zr-loop-num {
  position: absolute; top: 10px; right: 14px;
  font-family: var(--font-display); font-size: 1.1rem; color: rgba(0,120,255,0.3);
  letter-spacing: 1px;
}
.zr-loop-step h4 {
  font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700;
  color: #fff; margin-bottom: 6px; letter-spacing: 0.3px;
}
.zr-loop-step p { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; }
.zr-loop-arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); opacity: 0.35; flex-shrink: 0;
}
.zr-loop-arrow--back { color: var(--accent-light); opacity: 0.55; width: 100%; margin-top: 4px; }
.zr-loop-caption {
  text-align: center; margin-top: 16px;
  font-family: var(--font-heading); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent-light);
}

/* ----- Hero-видео ----- */
.zr-video-wrap {
  position: relative; margin: 0 auto; max-width: 960px;
  border: 1px solid var(--border-accent); border-radius: 8px; overflow: hidden;
  background: #060a10; box-shadow: 0 16px 60px rgba(0,0,0,0.4);
}
.zr-video-wrap video { display: block; width: 100%; height: auto; }
.zr-video-frame {
  position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(0,120,255,0.08);
}
.zr-video-tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-heading); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--accent-light);
  background: rgba(8,12,20,0.7); padding: 5px 10px; border-radius: 3px;
  border: 1px solid rgba(0,120,255,0.25); backdrop-filter: blur(6px);
}
.zr-video-tag::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%; background: #ff3333;
  box-shadow: 0 0 8px rgba(255,50,50,0.6); animation: zrBlink 1.1s ease-in-out infinite;
}
@keyframes zrBlink { 0%,100%{opacity:1;} 50%{opacity:0.3;} }
.zr-video-caption {
  text-align: center; margin-top: 14px;
  font-family: var(--font-heading); font-size: 0.82rem; letter-spacing: 1px;
  color: var(--text-muted);
}

/* ----- Карточки преимуществ (дёшево/массово) ----- */
.zr-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 8px; }
.zr-card {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 30px 28px;
  position: relative; overflow: hidden;
  transition: all .4s cubic-bezier(0.25,0.46,0.45,0.94);
}
.zr-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(0,120,255,0.2));
  opacity: 0; transition: opacity .4s;
}
.zr-card:hover {
  border-color: var(--border-accent); transform: translateY(-4px) scale(1.015);
  background: var(--gradient-card-hover); box-shadow: 0 -2px 16px rgba(0,120,255,0.1), 0 20px 60px rgba(0,0,0,0.3);
}
.zr-card:hover::before { opacity: 1; }
.zr-card-icon {
  font-size: 1.7rem; width: 48px; height: 48px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,120,255,0.08); border: 1px solid rgba(0,120,255,0.15); border-radius: 6px;
}
.zr-card h3 {
  font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700;
  color: #fff; margin-bottom: 10px; letter-spacing: 0.3px;
}
.zr-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.65; }

/* ----- Иллюстрация вычислителя ----- */
.zr-compute {
  display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center;
  margin-top: 28px;
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 32px; overflow: hidden;
}
.zr-compute-figure { position: relative; border-radius: 6px; overflow: hidden; border: 1px solid var(--border); }
.zr-compute-figure img { width: 100%; height: auto; display: block; }
.zr-compute-figcap {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 18px 14px 10px;
  background: linear-gradient(transparent, rgba(6,10,16,0.92));
  font-family: var(--font-heading); font-size: 0.72rem; letter-spacing: 1px;
  text-transform: uppercase; color: var(--accent-light);
}
.zr-compute-body h3 {
  font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700;
  color: #fff; margin-bottom: 14px; letter-spacing: 0.3px;
}
.zr-compute-body p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 14px; }
.zr-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.zr-chip {
  font-family: var(--font-heading); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 1px; text-transform: uppercase; padding: 7px 14px;
  background: rgba(0,120,255,0.08); border: 1px solid rgba(0,120,255,0.15);
  color: var(--accent-light); border-radius: 3px;
}

/* ----- Носители (платформы) ----- */
.zr-carriers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 8px; }
.zr-carrier {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 22px 18px; text-align: center;
  transition: all .35s;
}
.zr-carrier:hover { border-color: var(--border-accent); background: var(--gradient-card-hover); transform: translateY(-3px); }
.zr-carrier-icon { font-size: 1.6rem; margin-bottom: 10px; }
.zr-carrier-name {
  font-family: var(--font-heading); font-size: 0.92rem; font-weight: 700;
  color: #fff; margin-bottom: 4px; letter-spacing: 0.3px;
}
.zr-carrier-role { font-size: 0.76rem; color: var(--text-muted); line-height: 1.4; }
.zr-carriers-note {
  text-align: center; margin-top: 18px; font-size: 0.9rem; color: var(--text-secondary);
  max-width: 720px; margin-left: auto; margin-right: auto; line-height: 1.65;
}
.zr-carriers-note strong { color: var(--accent-light); }

/* ----- Зрелость + CTA ----- */
.zr-maturity {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 28px; margin-top: 28px;
  background: linear-gradient(135deg, rgba(0,120,255,0.06) 0%, rgba(0,60,140,0.03) 100%);
  border: 1px solid rgba(0,120,255,0.15); border-radius: 8px; padding: 32px 36px;
}
.zr-maturity-text { flex: 1; min-width: 300px; }
.zr-maturity-text h3 {
  font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700;
  color: #fff; margin-bottom: 12px; letter-spacing: 0.3px;
}
.zr-maturity-steps { display: flex; flex-direction: column; gap: 10px; }
.zr-mat-step {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5;
}
.zr-mat-badge {
  flex-shrink: 0; font-family: var(--font-heading); font-size: 0.6rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase; padding: 3px 9px; border-radius: 3px; margin-top: 2px;
}
.zr-mat-badge--done { background: rgba(0,200,100,0.12); color: #00cc66; border: 1px solid rgba(0,200,100,0.3); }
.zr-mat-badge--next { background: rgba(0,120,255,0.12); color: var(--accent-light); border: 1px solid rgba(0,120,255,0.3); }

/* ----- НейроГейт блок ----- */
.ng-section { position: relative; background: var(--bg-primary); overflow: hidden; }
.ng-section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}
.ng-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.ng-card {
  background: var(--gradient-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 32px;
  position: relative; overflow: hidden;
  transition: all .4s cubic-bezier(0.25,0.46,0.45,0.94);
}
.ng-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 0;
  background: var(--accent); transition: height .4s;
}
.ng-card:hover {
  border-color: var(--border-accent); background: var(--gradient-card-hover);
  transform: translateY(-3px); box-shadow: 0 -2px 20px rgba(0,120,255,0.08), 0 12px 40px rgba(0,0,0,0.2);
}
.ng-card:hover::before { height: 100%; }
.ng-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.ng-card-icon {
  font-size: 1.6rem; width: 50px; height: 50px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,120,255,0.08); border: 1px solid rgba(0,120,255,0.15); border-radius: 6px;
}
.ng-card-header h3 {
  font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700;
  color: #fff; letter-spacing: 0.3px;
}
.ng-card-tag {
  font-family: var(--font-heading); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent);
}
.ng-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
.ng-cta-wrap { text-align: center; margin-top: 48px; }

/* ----- Responsive ----- */
@media (max-width: 920px) {
  .zr-threat { grid-template-columns: 1fr; }
  .zr-threat-arrow { transform: rotate(90deg); padding: 6px 0; }
  .zr-cards { grid-template-columns: 1fr; }
  .zr-compute { grid-template-columns: 1fr; }
  .zr-carriers { grid-template-columns: repeat(2, 1fr); }
  .ng-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .zr-carriers { grid-template-columns: 1fr; }
  .zr-loop-step { max-width: none; }
  .zr-compute, .zr-maturity { padding: 24px; }
}
