/* Public landing placeholder: молочно-голубой wordmark и hero-card без JS. */

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

:root {
  --landing-bg: #e8f1f7;
  --landing-surface: #f8fbfe;
  --landing-ink: #152535;
  --landing-muted: #4a5d6e;
  --landing-accent-red: #c41e3a;
  --landing-accent-yellow: #f4c430;
  --landing-accent-blue: #1e5aa8;
  --landing-shadow: 0 1.25rem 3rem rgba(22, 52, 78, 0.1);
  --landing-radius: 1.75rem;
  --landing-wordmark-size: clamp(2.25rem, 7vw, 3.5rem);
  --landing-f-height: calc(var(--landing-wordmark-size) * 0.95);
  --landing-main-max: 86.4rem;
  --landing-copy-max: 40.8rem;
  --landing-flow-ratio: calc(640 / 960);
  --landing-qr-aspect: 932 / 870;
  --landing-art-padding: 0.625rem;
  --landing-hero-gap: 2rem;
  --landing-art-col: 1.15;
  --landing-copy-col: 1;
}

body.landing {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--landing-ink);
  background: var(--landing-bg);
  overflow-x: hidden;
}

.landing__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.landing__main {
  max-width: var(--landing-main-max);
  margin: 0 auto;
  padding: 2rem 1.25rem 2.5rem;
}

.landing__hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: start;
}

.landing__copy {
  max-width: var(--landing-copy-max);
  min-width: 0;
}

.landing__title,
.landing__wordmark {
  display: flex;
  align-items: baseline;
  gap: 0;
  margin: 0 0 1rem;
  font-size: var(--landing-wordmark-size);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--landing-ink);
}

.landing__wordmark-f {
  display: block;
  flex: 0 0 auto;
  height: 0.95em;
  margin-right: -0.06em;
  transform: translateY(0.04em);
}

.landing__wordmark-f-img {
  display: block;
  height: 100%;
  width: auto;
}

.landing__wordmark-text {
  display: block;
}

.landing__subtitle {
  margin: 0 0 1rem;
  font-size: clamp(1.0625rem, 2.5vw, 1.3125rem);
  font-weight: 600;
  color: var(--landing-ink);
}

.landing__details {
  min-width: 0;
}

.landing__body {
  margin: 0 0 1.25rem;
  font-size: 1.0625rem;
  color: var(--landing-muted);
}

.landing__body-line {
  display: block;
}

.landing__body-line + .landing__body-line {
  margin-top: 0.35em;
}

.landing__status {
  margin: 0;
  display: inline-block;
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  color: var(--landing-muted);
  background: var(--landing-surface);
  border: 1px solid rgba(21, 37, 53, 0.08);
  border-left: 0.25rem solid var(--landing-accent-red);
  border-radius: 0.625rem;
  box-shadow: 0 0.25rem 0.75rem rgba(22, 52, 78, 0.04);
}

.landing__qr {
  justify-self: center;
}

.landing__qr picture {
  display: block;
  line-height: 0;
}

.landing__qr-img {
  display: block;
  width: auto;
  height: auto;
  max-width: min(100%, 18rem);
  aspect-ratio: var(--landing-qr-aspect);
  object-fit: contain;
}

.landing__art-card {
  width: 100%;
  min-width: 0;
  padding: var(--landing-art-padding);
  background: var(--landing-bg);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: var(--landing-radius);
  box-shadow: var(--landing-shadow);
}

.landing__flow {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 960 / 640;
  border-radius: calc(var(--landing-radius) - var(--landing-art-padding));
}

@media (min-width: 48rem) {
  .landing__hero {
    container-type: inline-size;
    container-name: landing-hero;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, var(--landing-art-col)fr);
    column-gap: var(--landing-hero-gap);
    row-gap: 0;
    align-items: center;
  }

  .landing__copy {
    grid-column: 1;
    align-self: start;
    max-width: none;
  }

  .landing__subtitle {
    max-width: var(--landing-copy-max);
  }

  .landing__details {
    max-width: 100%;
  }

  .landing__qr {
    grid-column: 2;
    align-self: center;
    justify-self: center;
  }

  .landing__art-card {
    grid-column: 3;
    align-self: center;
    --landing-art-padding: 0.75rem;
  }

  @container landing-hero (min-width: 48rem) {
    .landing__qr-img {
      height: calc(
        (
            (100cqi - (var(--landing-hero-gap) * 2)) * var(--landing-art-col) /
              (var(--landing-copy-col) + var(--landing-art-col))
          - (var(--landing-art-padding) * 2)
        ) * var(--landing-flow-ratio) / 2
      );
      width: auto;
      max-width: none;
      aspect-ratio: var(--landing-qr-aspect);
      object-fit: contain;
    }
  }

  .landing__main {
    padding: 3.5rem 2rem 4rem;
  }
}

@media (max-width: 47.99rem) {
  .landing__flow {
    max-height: min(40vh, 16.5rem);
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center;
  }

  .landing__qr-img {
    height: calc(min(40vh, 16.5rem) / 2);
    width: auto;
    aspect-ratio: var(--landing-qr-aspect);
    object-fit: contain;
  }
}