/* ============================================================
   ВАРИАНТЫ 8–9 — «Максимум» (на базе Варианта 3)
   Общий слой: Lenis-скролл, прогресс-бар, сплит заголовков,
   blur-reveal, бегущая строка, интро hero, шторки прелоадеров
   ============================================================ */

/* ---------- Прелоадер Б: «Счётчик» ---------- */
.preloader--b { justify-content: flex-end; align-items: stretch; gap: 0; background: transparent; }
.preloader--b .preloader__inner { position: absolute; inset: 0; z-index: 2; }
.preloader--b .preloader__top {
  position: absolute; top: 28px; left: 40px; right: 40px;
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12px; letter-spacing: 0.32em; text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.preloader--b .preloader__count-wrap {
  position: absolute; right: 40px; bottom: 24px; overflow: hidden;
}
.preloader--b .preloader__count {
  font-size: clamp(96px, 18vw, 240px); font-weight: 900; line-height: 0.9;
  letter-spacing: -0.02em; font-variant-numeric: tabular-nums;
  background: var(--brand-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.preloader--b .preloader__count sup { font-size: 0.32em; font-weight: 300; }
.preloader--b .preloader__hint {
  position: absolute; left: 40px; bottom: 44px;
  font-size: 13px; color: rgba(255,255,255,0.5); letter-spacing: 0.08em;
}
.preloader--b .preloader__line {
  position: absolute; left: 0; bottom: 0; height: 3px; width: 100%;
  background: rgba(255,255,255,0.08);
}
.preloader--b .preloader__line i {
  display: block; height: 100%; width: 0;
  background: var(--brand-gradient);
}
/* Шторки: две панели разъезжаются после 100% */
.preloader__curtain {
  position: fixed; left: 0; right: 0; height: 50.5vh; z-index: 1;
  background: var(--bg); pointer-events: none;
  transition: transform 1s cubic-bezier(0.76, 0, 0.24, 1);
}
.preloader__curtain--top { top: 0; }
.preloader__curtain--bottom { bottom: 0; }
.preloader--exit .preloader__curtain--top { transform: translateY(-101%); }
.preloader--exit .preloader__curtain--bottom { transform: translateY(101%); }
.preloader--exit .preloader__inner { opacity: 0; transition: opacity 0.4s ease; }

/* ---------- Прогресс-бар скролла ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 997;
  background: transparent; pointer-events: none;
}
.scroll-progress i {
  display: block; height: 100%; width: 100%;
  background: var(--brand-gradient);
  transform-origin: 0 50%; transform: scaleX(0);
}

/* ---------- Заголовки: посимвольный подъём ---------- */
.section__title .ch { display: inline-block; overflow: hidden; vertical-align: bottom; }
.section__title .ch > i { display: inline-block; font-style: normal; will-change: transform; }

/* ---------- Секции: появление с размытием ---------- */
.v8 .reveal {
  opacity: 0; transform: translateY(46px); filter: blur(10px);
  transition: opacity 1s ease, transform 1s cubic-bezier(0.22, 1, 0.36, 1), filter 1s ease;
}
.v8 .reveal--visible { opacity: 1; transform: none; filter: blur(0); }

/* ---------- Бегущая строка после hero ---------- */
.marquee {
  overflow: hidden; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.marquee__track {
  display: flex; gap: 0; width: max-content;
  animation: marqueeMove 30s linear infinite;
}
.marquee span {
  font-size: clamp(15px, 1.6vw, 20px); font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.5); white-space: nowrap; padding-right: 18px;
}
.marquee span:nth-child(4n+1) { color: #ff7300; }
.marquee span:nth-child(4n+3) { color: #f9eb31; }
@keyframes marqueeMove { to { transform: translateX(-50%); } }
.marquee:hover .marquee__track { animation-duration: 60s; }

/* ---------- Hero: интро после прелоадера ---------- */
.v8 .hero__content > * { opacity: 0; transform: translateY(34px); }
.v8.hero-in .hero__content > * {
  opacity: 1; transform: none;
  transition: opacity 0.9s ease, transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.v8.hero-in .hero__content > *:nth-child(2) { transition-delay: 0.12s; }
.v8.hero-in .hero__content > *:nth-child(3) { transition-delay: 0.24s; }
.v8 .hero__video-wrap { transform: scale(1.12); transition: transform 1.6s cubic-bezier(0.22, 1, 0.36, 1); }
.v8.hero-in .hero__video-wrap { transform: scale(1); }

/* ---------- Шапка: прячется при скролле вниз ---------- */
.v8 .header { transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), background 0.4s ease, border-color 0.4s ease; }
.v8 .header--hidden { transform: translateY(-100%); }

/* ---------- Карточки: блик при наведении ---------- */
.project-card__img-wrap::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.14) 50%, transparent 60%);
  transform: translateX(-120%);
}
.project-card:hover .project-card__img-wrap::after {
  transform: translateX(120%);
  transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Преимущества: stagger-подъём ---------- */
.v8 .feature {
  opacity: 0; transform: translateY(36px) scale(0.97);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.45s ease, box-shadow 0.45s ease;
}
.v8 .reveal--visible .feature { opacity: 1; transform: none; }
.v8 .reveal--visible .feature:nth-child(2) { transition-delay: 0.08s; }
.v8 .reveal--visible .feature:nth-child(3) { transition-delay: 0.16s; }
.v8 .reveal--visible .feature:nth-child(4) { transition-delay: 0.24s; }
.v8 .reveal--visible .feature:nth-child(5) { transition-delay: 0.32s; }

/* ---------- Форма: поля по очереди ---------- */
.v8 .order-form > * { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.v8 .reveal--visible .order-form > * { opacity: 1; transform: none; }
.v8 .reveal--visible .order-form > *:nth-child(2) { transition-delay: 0.08s; }
.v8 .reveal--visible .order-form > *:nth-child(3) { transition-delay: 0.16s; }
.v8 .reveal--visible .order-form > *:nth-child(4) { transition-delay: 0.24s; }
.v8 .reveal--visible .order-form > *:nth-child(5) { transition-delay: 0.32s; }
.v8 .reveal--visible .order-form > *:nth-child(6) { transition-delay: 0.4s; }

/* ---------- CTA-блок: параллакс-подложка ---------- */
.calc-cta { position: relative; overflow: hidden; }
.calc-cta::before {
  content: ''; position: absolute; inset: -20% 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(420px 260px at 18% 30%, rgba(255,115,0,0.10), transparent 70%),
    radial-gradient(420px 260px at 82% 70%, rgba(31,163,12,0.10), transparent 70%);
  transform: translateY(var(--cta-py, 0));
}
.calc-cta .container { position: relative; z-index: 1; }

/* ---------- Кнопки: пульс градиента ---------- */
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,115,0,0.35); }
  50% { box-shadow: 0 0 0 10px rgba(255,115,0,0); }
}
.v8 .hero .btn--large { animation: btnPulse 2.6s ease-in-out infinite; }
.v8 .hero .btn--large:hover { animation-play-state: paused; }

/* ---------- Lenis: плавный скролл ---------- */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

@media (max-width: 1024px) {
  .preloader--b .preloader__top { left: 20px; right: 20px; }
  .preloader--b .preloader__count-wrap { right: 20px; }
  .preloader--b .preloader__hint { left: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .v8 .reveal, .v8 .feature, .v8 .order-form > *, .v8 .hero__content > * { opacity: 1 !important; transform: none !important; filter: none !important; }
  .marquee__track { animation: none; }
  .section__title .ch > i { transform: none; }
  .preloader { display: none; }
}