/* Concept B — Cinematic Navy */
:root {
  --cin-bg-deep: #071828;
  --cin-bg-dark: #0B263A;
  --cin-bg-mid: #0F3048;
  --cin-bg-light: #F4F7FA;
  --cin-bg-alt: #E8F0F7;
  --cin-glow: #7DD3FC;
  --cin-glow-dim: #5BB8E8;
  --cin-text-on-dark: #FFFFFF;
  --cin-text-muted-on-dark: rgba(255, 255, 255, 0.78);
  --cin-text-dim-on-dark: rgba(255, 255, 255, 0.55);
  --cin-section-y: clamp(72px, 9vw, 120px);
  --cin-gap: clamp(20px, 3vw, 32px);
}

body.theme-cinematic {
  --text: var(--ink-900);
  --text-heading: var(--ink-1000);
  --text-muted: var(--neutral-700);
  --text-subtle: var(--ink-800);
  --surface: var(--cin-bg-light);
  --surface-alt: var(--cin-bg-alt);
  --card-bg: #FFFFFF;
  --header-scrolled-bg: rgba(7, 24, 40, 0.94);
  --nav-link: rgba(255, 255, 255, 0.78);
  --nav-link-hover: var(--cin-glow);
  --logo-color: #FFFFFF;
  --accent: var(--cin-glow);
  --accent-hover: var(--cin-glow-dim);
  --hero-text: var(--cin-text-on-dark);
  --hero-text-muted: var(--cin-text-muted-on-dark);

  background: var(--cin-bg-light);
  color: var(--text);
}

/* ── Typography overrides (fix base.css dark-on-dark bugs) ── */
body.theme-cinematic .on-dark .section__title,
body.theme-cinematic .section--dark .section__title {
  color: var(--cin-text-on-dark);
}

body.theme-cinematic .on-dark .section__lead,
body.theme-cinematic .section--dark .section__lead {
  color: var(--cin-text-muted-on-dark);
  max-width: 56ch;
}

body.theme-cinematic .on-dark .section__eyebrow,
body.theme-cinematic .section--dark .section__eyebrow {
  color: var(--cin-glow);
}

body.theme-cinematic .section__title {
  color: var(--ink-1000);
}

body.theme-cinematic .section__lead {
  color: var(--ink-800);
}

body.theme-cinematic .section__eyebrow {
  color: var(--accent);
}

/* ── Section rhythm ── */
body.theme-cinematic .section {
  padding-block: var(--cin-section-y);
}

body.theme-cinematic .section--tight {
  padding-block: clamp(56px, 7vw, 96px);
}

body.theme-cinematic .section--alt {
  background: var(--cin-bg-alt);
}

body.theme-cinematic .section--dark,
body.theme-cinematic .section--cinema {
  background: var(--cin-bg-dark);
  color: var(--cin-text-on-dark);
}

body.theme-cinematic .section__head {
  margin-bottom: clamp(36px, 5vw, 56px);
}

body.theme-cinematic .section__head .section__lead {
  margin-top: 4px;
}

/* ── Header ── */
.site-header--dark {
  color: var(--cin-text-on-dark);
  background: linear-gradient(to bottom, rgba(7, 24, 40, 0.95) 0%, transparent 100%);
}

.site-header--dark .site-logo { color: var(--cin-text-on-dark); }
.site-header--dark .site-logo__img { filter: none; }
.site-header--dark .site-nav a { color: rgba(255, 255, 255, 0.84); }
.site-header--dark .site-nav a:hover { color: #fff; }

.site-header--dark.is-scrolled {
  background: rgba(7, 24, 40, 0.97);
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.btn--on-dark {
  border: 1px solid rgba(255, 255, 255, 0.5) !important;
  color: #fff !important;
  background: transparent !important;
}

.btn--on-dark:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  border-color: #fff !important;
  color: #fff !important;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  background: var(--cin-bg-deep);
  color: var(--cin-text-on-dark);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 75% 35%, rgba(0, 108, 179, 0.42) 0%, transparent 55%),
    radial-gradient(ellipse 40% 35% at 15% 85%, rgba(0, 161, 226, 0.18) 0%, transparent 50%);
  pointer-events: none;
}

.hero__grain {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(to top, var(--cin-bg-dark), transparent);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  padding-block: clamp(48px, 6vw, 88px);
}

.hero__title {
  color: var(--cin-text-on-dark);
  text-shadow: none;
  margin-bottom: 20px;
}

.hero__title em {
  font-style: normal;
  color: var(--cin-glow);
}

.hero .section__eyebrow {
  color: var(--cin-glow);
  margin-bottom: 16px;
}

.hero .section__lead {
  color: var(--cin-text-muted-on-dark);
  max-width: 520px;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.65;
}

.hero .badge {
  margin-top: 28px;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.95);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero__product-frame {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow:
    0 48px 96px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.12);
}

.hero__glow {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 108, 179, 0.35) 0%, transparent 70%);
  top: 40%;
  right: 5%;
  transform: translateY(-50%);
  filter: blur(70px);
  animation: pulse-ring 5s ease-in-out infinite;
  pointer-events: none;
}

.media-frame--flush {
  border: none;
  box-shadow: none;
  border-radius: 0;
  background: #fff;
}

.media-frame--flush img {
  min-height: 420px;
  max-height: 520px;
  object-fit: contain;
  object-position: center top;
  background: #fff;
}

.carousel--dark .carousel__viewport {
  border-radius: var(--radius-2xl);
}

.carousel--dark .carousel__controls--dark,
.carousel__controls--dark {
  background: rgba(7, 24, 40, 0.9);
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  margin-top: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.carousel__controls--dark .carousel__btn {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.carousel__controls--dark .carousel__btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--cin-glow);
  color: var(--cin-glow);
}

.carousel__controls--dark .carousel__dot {
  background: rgba(255, 255, 255, 0.35);
}

.carousel__controls--dark .carousel__dot.is-active {
  background: var(--cin-glow);
}

/* ── Cinema video ── */
.section--cinema {
  padding-block: clamp(56px, 7vw, 88px);
  margin-top: -1px;
}

.cinema-frame {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
}

.cinema-frame__bars::before,
.cinema-frame__bars::after {
  content: '';
  display: block;
  height: 32px;
  background: #000;
}

.cinema-frame .media-frame--video {
  border-radius: 0;
  border: none;
  cursor: pointer;
}

.cinema-caption {
  text-align: center;
  margin-top: 24px;
  font-size: 15px;
  color: var(--cin-text-dim-on-dark);
}

.cinema-caption a {
  color: var(--cin-glow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cinema-caption a:hover { color: #fff; }

/* ── When choose reel ── */
#when-choose.section--dark {
  padding-block: var(--cin-section-y);
}

#when-choose .choose-reel {
  gap: var(--cin-gap);
  padding-block: 4px 20px;
  margin-top: 8px;
}

#when-choose .choose-reel__card {
  padding: clamp(24px, 3vw, 36px);
}

#when-choose .choose-reel__card .choose-card__title {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.4;
  margin-bottom: 4px;
}

#when-choose .choose-reel__card li {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

#when-choose .choose-reel__card .choose-card__link {
  color: var(--cin-glow);
  margin-top: 14px;
}

#when-choose .choose-reel__card .choose-card__link:hover {
  color: #fff;
}

#when-choose .choose-cta {
  margin-top: clamp(32px, 4vw, 48px);
  padding-bottom: 8px;
}

.theme-cinematic .choose-reel::after {
  content: '← прокрутите →';
  display: block;
  text-align: center;
  font-size: 12px;
  color: var(--cin-text-dim-on-dark);
  margin-top: 12px;
  letter-spacing: 0.08em;
}

/* ── Scenarios (light band) ── */
#scenarios {
  background: var(--cin-bg-light);
}

.diagram-showcase {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.diagram-tabs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.diagram-tab {
  padding: 14px 18px;
  border: none;
  background: transparent;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-800);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border-left: 3px solid transparent;
}

.diagram-tab:hover {
  background: var(--cin-bg-alt);
  color: var(--ink-1000);
}

.diagram-tab.is-active {
  background: #fff;
  color: var(--accent);
  border-left-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.diagram-panel { display: none; animation: fadeIn 0.45s var(--ease-out); }
.diagram-panel.is-active { display: block; }

.diagram-panel .media-frame {
  border-color: var(--neutral-200);
  box-shadow: var(--shadow-md);
}

.diagram-panel .media-frame__caption {
  background: rgba(11, 38, 58, 0.92);
}

/* ── Migration ── */
#migration.section--dark {
  background: var(--cin-bg-mid);
}

.migration__grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

#migration .section__lead {
  margin-bottom: 28px;
}

.chips--on-dark {
  margin-bottom: 24px;
}

.chips--on-dark .chip {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.on-dark .migration__visio-badge {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.migration__visual {
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.35);
}

.migration__visual img {
  border-radius: var(--radius-xl);
}

/* ── Injected content blocks ── */
.theme-cinematic .cinematic-inject > .section {
  border-top: 1px solid transparent;
}

.theme-cinematic #industries {
  background: var(--cin-bg-light);
}

.theme-cinematic #clients {
  background: #fff;
}

/* Advantages — светлая секция (hy-bento), не тёмный inject из макета B */
.theme-cinematic #advantages {
  background: var(--cin-bg-light, #F4F7FA);
  color: var(--ink-900);
}

.theme-cinematic #advantages .section__title {
  color: var(--ink-1000);
}

.theme-cinematic #grafdoc {
  background: var(--cin-bg-alt);
}

.theme-cinematic #grafdoc .grafdoc-list__item {
  background: #fff;
  border-left-color: var(--accent);
  color: var(--ink-900);
}

.theme-cinematic #ops {
  background: #fff;
}

.theme-cinematic #company {
  background: var(--cin-bg-mid);
  color: var(--cin-text-on-dark);
}

.theme-cinematic #company .section__title {
  color: var(--cin-text-on-dark);
}

.theme-cinematic #company .company-stat__value {
  color: var(--cin-glow);
}

.theme-cinematic #company .company-stat__label,
.theme-cinematic #company .company-history {
  color: var(--cin-text-muted-on-dark);
}

.theme-cinematic #stages {
  background: var(--cin-bg-light);
}

.theme-cinematic #pricing {
  background: var(--cin-bg-alt);
}

.theme-cinematic #materials {
  background: #fff;
}

.theme-cinematic #reviews {
  background: var(--cin-bg-light);
}

.theme-cinematic .industry-card,
.theme-cinematic .advantage-card,
.theme-cinematic .ops-card,
.theme-cinematic .stage-card,
.theme-cinematic .pricing-card,
.theme-cinematic .review-card {
  transition: border-color 0.2s, box-shadow 0.2s;
}

.theme-cinematic .industry-card:hover,
.theme-cinematic .ops-card:hover,
.theme-cinematic .stage-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.theme-cinematic .industry-card__list li,
.theme-cinematic .ops-card li {
  color: var(--ink-800);
}

.theme-cinematic .clients-grid img {
  opacity: 0.55;
}

.theme-cinematic .clients-grid img:hover {
  opacity: 1;
}

.theme-cinematic .survey-banner {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-cinematic .survey-banner .btn--ghost {
  border-color: rgba(255, 255, 255, 0.5) !important;
  color: #fff !important;
}

.theme-cinematic .survey-banner .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1) !important;
}

.theme-cinematic .material-link {
  background: #fff;
  color: var(--ink-900);
}

.theme-cinematic .material-link:hover {
  color: var(--accent);
}

.theme-cinematic .review-card__name {
  color: var(--ink-800);
}

.theme-cinematic .pricing-card__name {
  color: var(--ink-800);
}

.theme-cinematic .pricing-card li {
  color: var(--ink-800);
}

.theme-cinematic .grafdoc-block {
  gap: clamp(32px, 5vw, 56px);
}

.theme-cinematic .advantages-grid,
.theme-cinematic .industries-grid,
.theme-cinematic .ops-grid,
.theme-cinematic .stages-timeline,
.theme-cinematic .pricing-grid {
  gap: var(--cin-gap);
}

.theme-cinematic .company-stats {
  margin-bottom: clamp(24px, 4vw, 40px);
}

/* ── CTA band ── */
.cta-band {
  background: var(--cin-bg-deep);
  color: var(--cin-text-on-dark);
  padding: clamp(80px, 10vw, 128px) 0;
  text-align: center;
}

.cta-band .section__title {
  color: var(--cin-text-on-dark);
  margin-bottom: 12px;
}

.cta-band__lead {
  color: var(--cin-text-muted-on-dark) !important;
  max-width: 480px;
  margin: 0 auto 36px;
  font-size: clamp(16px, 1.5vw, 18px);
}

.demo-form--dark {
  max-width: 440px;
  margin: 0 auto;
  gap: 14px;
}

.demo-form--dark input {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--ink-1000);
  padding: 14px 16px;
  border-radius: var(--radius-md);
}

.demo-form--dark input::placeholder {
  color: var(--neutral-500);
}

.demo-form--dark input:focus {
  outline: none;
  border-color: var(--cin-glow);
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.25);
}

/* ── Footer ── */
.site-footer--dark {
  background: var(--cin-bg-deep);
  color: var(--cin-text-dim-on-dark);
  padding: 36px 0;
  text-align: center;
  font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Studio bar offset */
body.has-studio-bar.theme-cinematic .hero {
  min-height: calc(100svh - var(--studio-bar-h));
  padding-top: calc(var(--studio-bar-h) + var(--header-h));
}

body.has-studio-bar.theme-cinematic {
  scroll-padding-top: calc(var(--studio-bar-h) + var(--header-h) + 12px);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero__grid,
  .migration__grid {
    grid-template-columns: 1fr;
  }

  .hero__product-frame { order: -1; }

  .diagram-showcase {
    grid-template-columns: 1fr;
  }

  .diagram-tabs {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .diagram-tab {
    border-left: none;
    border-bottom: 3px solid transparent;
    flex: 1 1 auto;
    min-width: 140px;
  }

  .diagram-tab.is-active {
    border-bottom-color: var(--accent);
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: auto;
  }

  body.has-studio-bar.theme-cinematic .hero {
    min-height: auto;
    padding-top: calc(var(--studio-bar-h) + var(--header-h));
  }

  .media-frame--flush img {
    min-height: 260px;
    max-height: 340px;
  }

  .hero__actions .btn {
    width: 100%;
  }

  #when-choose .choose-reel__card {
    flex: 0 0 min(320px, 88vw);
  }
}