/* Hallmark · macrostructure: Split Studio · tone: warm technical · anchor hue: amber
 * pre-emit critique: P5 H5 E5 S5 R5 V5 · contrast: pass (40–41) · nav: N9 · footer: Ft2 · slop: pass (58/58)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57)
 */
@import url("./tokens.css");

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  background: var(--color-paper);
}

body {
  min-width: 20rem;
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-base) - 1);
  pointer-events: none;
  opacity: 0.34;
  background-image:
    linear-gradient(var(--color-rule) var(--rule-hair), transparent var(--rule-hair)),
    linear-gradient(90deg, var(--color-rule) var(--rule-hair), transparent var(--rule-hair));
  background-size: 5rem 5rem;
  mask-image: linear-gradient(to bottom, var(--color-overlay), transparent 34rem);
}

::selection {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

a {
  color: inherit;
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline-start: var(--space-md);
  z-index: var(--z-sticky);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--dur-short) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--page-max));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: var(--z-raised);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  gap: var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 2.75rem;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: -0.025em;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark::before {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  flex: 0 0 auto;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.header-cta,
.button,
.text-link {
  white-space: nowrap;
}

.header-cta__short {
  display: none;
}

.header-cta,
.button {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding-inline: var(--space-lg);
  border: var(--rule-hair) solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-ink);
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  transition:
    transform var(--dur-micro) var(--ease-out),
    background-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out);
}

.button--primary {
  min-height: 3.25rem;
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.button--dark {
  border-color: var(--color-rule-strong);
  background: var(--color-paper-raised);
  color: var(--color-ink);
}

.button[aria-disabled="true"],
.header-cta[aria-disabled="true"],
.text-link[aria-disabled="true"],
.faq summary[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.button:active,
.header-cta:active {
  transform: translateY(1px);
}

.text-link:active {
  color: var(--color-accent);
  transform: translateY(1px);
}

.hero {
  position: relative;
  min-height: clamp(38rem, 76dvh, 51rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: var(--space-xl);
  padding-block: var(--space-xl) var(--space-2xl);
}

.hero__copy,
.hero__media {
  min-width: 0;
}

.hero__copy {
  display: grid;
  justify-items: start;
  gap: var(--space-lg);
}

.hero__note {
  margin: 0;
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.hero h1,
.section-title,
.cta-panel h2 {
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 750;
  line-height: 0.98;
  letter-spacing: -0.055em;
  hyphens: auto;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.hero h1 {
  max-width: 11.8ch;
  font-size: var(--text-display);
}

.hero__lede {
  max-width: 37rem;
  margin: 0;
  color: var(--color-ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.5;
  text-wrap: pretty;
}

.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.hero__facts li::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-accent);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}

.text-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-ink-soft);
  font-weight: 750;
  text-decoration-color: var(--color-rule-strong);
  text-underline-offset: 0.12em;
  transition: color var(--dur-short) var(--ease-out);
}

.hero__media {
  margin: 0;
}

.video-caption {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  margin-block-end: var(--space-sm);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.video-caption span:last-child {
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-lg);
  background: var(--color-paper-raised);
  background-image: var(--image-video-poster);
  background-position: center;
  background-size: cover;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-short) var(--ease-out);
}

.video-frame.player-ready iframe {
  opacity: 1;
  pointer-events: auto;
}

.js .hero__copy,
.js .hero__media {
  opacity: 0;
  transform: translateY(0.5rem);
}

.is-ready .hero__copy,
.is-ready .hero__media {
  opacity: 1;
  transform: none;
  transition:
    opacity var(--dur-long) var(--ease-out),
    transform var(--dur-long) var(--ease-out);
}

.is-ready .hero__media {
  transition-delay: var(--dur-micro);
}

.section {
  padding-block: var(--space-3xl);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.section--raised {
  background: var(--color-paper-raised);
  color: var(--color-ink);
}

.section--raised > .shell {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--page-max));
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}

.split__lead {
  display: grid;
  gap: var(--space-lg);
}

.section-title {
  max-width: 15ch;
  font-size: var(--text-3xl);
}

.section-intro {
  max-width: 38rem;
  margin: 0;
  color: var(--color-ink-soft);
  font-size: var(--text-md);
  text-wrap: pretty;
}

.accent-line {
  width: 4rem;
  height: var(--rule-strong);
  background: var(--color-accent);
}

.loss-list,
.capability-list,
.outcome-list,
.summary-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.loss-list {
  display: grid;
}

.loss-list li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-ink-soft);
}

.loss-list li:last-child {
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.loss-list .index {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.section-closing {
  max-width: 37rem;
  margin: var(--space-xl) 0 0;
  padding-inline-start: var(--space-lg);
  border-inline-start: var(--rule-strong) solid var(--color-accent);
  color: var(--color-ink);
  font-size: var(--text-lg);
  font-weight: 750;
}

.capability-groups {
  display: grid;
  gap: var(--space-xl);
}

.capability-group {
  display: grid;
  gap: var(--space-md);
}

.capability-group h3 {
  margin: 0;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.025em;
}

.capability-list {
  display: grid;
  gap: var(--space-sm);
}

.capability-list li,
.outcome-list li,
.summary-list li {
  position: relative;
  padding-inline-start: var(--space-lg);
  color: var(--color-ink-soft);
}

.capability-list li::before,
.outcome-list li::before,
.summary-list li::before {
  content: "";
  position: absolute;
  inset-block-start: 0.68em;
  inset-inline-start: 0;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.speech-proof {
  position: relative;
  display: grid;
  gap: var(--space-md);
  padding: var(--space-xl);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-lg);
  background: var(--color-paper);
}

.speech-proof::before {
  content: "Диалог без меню и кнопок";
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bubble {
  width: min(88%, 27rem);
  margin: 0;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-paper-high);
  color: var(--color-ink-soft);
}

.bubble--client {
  justify-self: end;
  border-end-end-radius: var(--space-2xs);
}

.bubble--admin {
  justify-self: start;
  border-end-start-radius: var(--space-2xs);
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.knowledge-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin: var(--space-lg) 0 0;
  padding: 0;
  list-style: none;
}

.knowledge-list li {
  min-height: 3.25rem;
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hair) solid var(--color-rule);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.outcome-list {
  display: grid;
  gap: var(--space-lg);
}

.outcome-list li {
  font-size: var(--text-md);
}

.start-note {
  margin: var(--space-xl) 0 0;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-ink);
  font-weight: 750;
}

.steps {
  display: grid;
  gap: 0;
  margin: var(--space-2xl) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  counter-increment: steps;
}

.steps li:last-child {
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.steps li::before {
  content: counter(steps, decimal-leading-zero);
  color: var(--color-accent);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.steps h3,
.steps p {
  margin: 0;
}

.steps h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.025em;
}

.steps p {
  grid-column: 2;
  color: var(--color-muted);
}

.faq {
  display: grid;
  gap: var(--space-sm);
  margin-block-start: var(--space-2xl);
}

.faq details {
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.faq details:last-child {
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.faq summary {
  min-height: 4.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2rem;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-md);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 650;
  line-height: 1.3;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: 50%;
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: 1;
  transition: transform var(--dur-short) var(--ease-in-out);
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq summary:active::after {
  transform: scale(0.94);
}

.faq details[open] summary:active::after {
  transform: rotate(45deg) scale(0.94);
}

.faq__answer {
  max-width: 50rem;
  padding-block-end: var(--space-lg);
  color: var(--color-ink-soft);
}

.faq__answer p {
  margin: 0;
}

.cta-section {
  padding-block: var(--space-3xl);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  background: var(--color-paper-raised);
  color: var(--color-ink);
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: end;
}

.cta-panel h2 {
  max-width: 14ch;
  font-size: var(--text-3xl);
}

.cta-panel p {
  max-width: 43rem;
  margin: 0;
  font-size: var(--text-md);
}

.cta-panel__side {
  display: grid;
  gap: var(--space-lg);
}

.summary-list {
  display: grid;
  gap: var(--space-sm);
}

.summary-list li {
  color: var(--color-ink-soft);
}

.summary-list li::before {
  background: var(--color-accent);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

.cta-section .text-link {
  color: var(--color-ink-soft);
  text-decoration-color: var(--color-rule-strong);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md) var(--space-xl);
  min-height: 6rem;
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  text-underline-offset: 0.12em;
  white-space: nowrap;
}

.ym-noscript {
  position: absolute;
  inset-inline-start: -100rem;
}

@media (hover: hover) and (pointer: fine) {
  .header-cta:hover,
  .button--dark:hover {
    background: var(--color-accent);
    color: var(--color-accent-ink);
  }

  .button--primary:hover {
    background: var(--color-ink);
    color: var(--color-paper);
  }

  .text-link:hover {
    color: var(--color-accent);
  }

  .cta-section .text-link:hover {
    color: var(--color-accent);
  }
}

@media (min-width: 40rem) {
  .capability-groups {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .capability-group:first-child {
    grid-row: span 2;
  }

  .steps li {
    grid-template-columns: 4rem minmax(10rem, 0.75fr) minmax(0, 1.25fr);
    gap: var(--space-lg);
  }

  .steps p {
    grid-column: 3;
  }

  .cta-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  }
}

@media (min-width: 60rem) {
  .hero {
    grid-template-columns: minmax(25rem, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-2xl);
  }

  .hero__media {
    width: calc(100% + 8vw);
  }

  .video-caption {
    padding-inline-end: 8vw;
  }

  .split {
    grid-template-columns: minmax(18rem, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(4rem, 8vw, 8rem);
  }

  .split--reverse > :first-child {
    grid-column: 2;
  }

  .split--reverse > :last-child {
    grid-column: 1;
    grid-row: 1;
  }

  .split__lead--sticky {
    position: sticky;
    inset-block-start: var(--space-xl);
  }
}

@media (min-width: 90rem) {
  .hero__media {
    width: calc(100% + 11vw);
  }

  .video-caption {
    padding-inline-end: 11vw;
  }
}

@media (max-width: 25rem) {
  .header-cta {
    padding-inline: var(--space-md);
    font-size: var(--text-sm);
  }

  .wordmark {
    font-size: var(--text-base);
  }

  .header-cta__wide {
    display: none;
  }

  .header-cta__short {
    display: inline;
  }

  .hero__actions,
  .cta-actions {
    align-items: stretch;
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .button,
  .hero__actions .text-link,
  .cta-actions .button,
  .cta-actions .text-link {
    width: 100%;
    justify-content: center;
  }

  .knowledge-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: var(--dur-micro) !important;
    animation-iteration-count: 1 !important;
    transition-duration: var(--dur-micro) !important;
  }

  .hero__copy,
  .hero__media {
    opacity: 1;
    transform: none;
  }
}