@import "./palette.css";
@import "./typography.css";
@import "./foundation.css";

:root {
  color-scheme: dark;
  color: var(--text);
  background: var(--bg-app);
  font-synthesis: none;
}

* { box-sizing: border-box; }

html {
  background: var(--bg-app);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg-app);
  color: var(--text-0);
  font-family: var(--font-text);
  font-size: var(--type-site-body);
  line-height: var(--leading-body);
  text-align: center;
  animation: site-enter var(--motion-enter) var(--ease-standard) both;
}

a { color: inherit; }

button {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font-family: inherit;
  cursor: pointer;
}

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

.skip-link {
  position: fixed;
  inset: var(--space-4) auto auto var(--space-4);
  z-index: 30;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--space-3);
  background: var(--white);
  color: var(--on-white);
  font-size: var(--type-small);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--motion-fast) var(--ease-standard);
}

.skip-link:focus { transform: none; }

.site-header {
  position: fixed;
  top: var(--space-3);
  left: 50%;
  z-index: 20;
  display: grid;
  width: min(calc(100% - (var(--site-gutter) * 2)), var(--container-wide));
  height: var(--header-height);
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  transform: translateX(-50%);
  pointer-events: none;
}

.nav-pill {
  display: flex;
  width: 410px;
  height: var(--header-height);
  grid-column: 2;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2);
  border: var(--hairline) solid var(--line-0);
  border-radius: var(--radius-pill);
  background: var(--bg-backdrop);
  backdrop-filter: blur(40px);
  pointer-events: auto;
}

.nav-pill a,
.header-side {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-pill);
  color: var(--text-2);
  font-size: var(--type-site-nav);
  font-weight: var(--weight-medium);
  line-height: var(--leading-flush);
  text-decoration: none;
  transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease;
}

.nav-pill a[aria-current="page"] { color: var(--text-0); }

.header-side {
  grid-column: 3;
  justify-self: end;
  pointer-events: auto;
}

.hero {
  padding-top: var(--space-24);
  padding-bottom: var(--space-20);
}

.hero h1,
.how h2,
.inside h2,
.base h2,
.faq h2 {
  margin: 0;
  font-family: var(--font-ui);
  letter-spacing: var(--track-tight);
  line-height: var(--leading-site-section);
  text-wrap: balance;
}

.hero h1 {
  font-size: var(--type-site-foundation-hero);
  font-weight: var(--weight-site-display);
  letter-spacing: var(--track-site-display);
  line-height: var(--leading-site-display);
}

.tagline,
.center-lede {
  max-width: 34ch;
  margin: var(--space-4) auto 0;
  color: var(--text-2);
  font-size: var(--type-site-lede);
  line-height: var(--leading-long);
  text-wrap: balance;
}

.hero-face {
  width: 284px;
  height: 154px;
  margin: var(--space-5) auto 0;
}

.hero-face video,
.react video,
.peek video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  transition: transform var(--motion-media) var(--ease-standard);
}

.talk {
  width: 100%;
  margin-top: var(--space-10);
  text-align: left;
}

.talk-head h2,
.cards h3 {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--type-site-card);
  font-weight: var(--weight-site-section);
  letter-spacing: var(--track-tight);
  line-height: var(--leading-title);
}

.talk-head p,
.talk-note,
.cards p,
.faq-list p {
  margin: var(--space-2) 0 0;
  color: var(--text-2);
  font-size: var(--type-site-body);
  line-height: var(--leading-body);
}

.talk-thread {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.bubble {
  display: block;
  justify-self: end;
  width: fit-content;
  max-width: 85%;
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 20px 20px 6px 20px;
  color: var(--text-0);
  font-size: var(--type-site-body);
  font-weight: var(--weight-medium);
  line-height: var(--leading-compact);
  text-align: left;
}

.talk-thread .talk-note {
  justify-self: start;
  width: fit-content;
  max-width: 85%;
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border-radius: 20px 20px 20px 6px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-0);
}

.talk-typing[hidden] { display: none; }

.talk-typing {
  display: inline-flex;
  justify-self: start;
  align-items: center;
  gap: 5px;
  margin: 0;
  padding: 14px var(--space-4);
  border-radius: 20px 20px 20px 6px;
  background: rgba(255, 255, 255, 0.07);
}

.talk-typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-2);
  animation: typing-bounce 900ms var(--ease-standard) infinite;
}

.talk-typing i:nth-child(2) { animation-delay: 150ms; }
.talk-typing i:nth-child(3) { animation-delay: 300ms; }

@keyframes typing-bounce {
  0%, 60%, 100% { opacity: 0.35; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

.talk-head h2,
.talk-head p,
.bubble,
.talk-note,
.bars,
.confirm {
  transition: opacity 220ms var(--ease-standard), transform 260ms var(--ease-standard);
}

.is-waiting {
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  transition: none;
}

.bars {
  display: flex;
  height: 84px;
  align-items: flex-end;
  gap: 7px;
  padding-top: var(--space-2);
}

.bars i {
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: var(--overlay-3);
}

.bars i.on { background: var(--white); }
.bars .h2 { height: 22%; }
.bars .h3 { height: 32%; }
.bars .h4 { height: 42%; }
.bars .h5 { height: 54%; }
.bars .h6 { height: 64%; }
.bars .h8 { height: 78%; }
.bars .h9 { height: 92%; }
.talk.is-plain .bars { display: none; }

.confirm {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-self: start;
  width: fit-content;
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-pill);
  background: var(--canvas-inset);
  color: var(--text-1);
  font-size: var(--type-small);
  line-height: var(--leading-compact);
}

.confirm i,
.checks i,
.buy-note i { color: var(--success); font-style: normal; }

.talk-tabs {
  width: min(100%, var(--container-scenario));
  margin: var(--space-7) auto 0;
}

.talk-tab {
  min-height: 42px;
  padding-inline: var(--space-4);
  border: var(--hairline) solid transparent;
  border-radius: var(--radius-pill);
  color: var(--text-chrome-dim);
  font-family: var(--font-ui);
  font-size: var(--type-site-body);
  font-weight: var(--weight-site-section);
  transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, transform var(--motion-fast) var(--ease-standard);
}

.talk-tab.is-active {
  background: var(--white);
  color: var(--on-white);
}

.more,
.kicker,
.doors,
.os-pill {
  margin: var(--space-7) 0 0;
  color: var(--text-chrome-dim);
  font-size: var(--type-small);
  line-height: var(--leading-body);
}

.kicker,
.os-pill {
  display: inline-flex;
  margin-top: 0;
  margin-bottom: var(--space-4);
  padding: var(--space-2) var(--space-3);
  border: var(--hairline) solid var(--line-1);
  border-radius: var(--radius-pill);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--track-caps);
  text-transform: uppercase;
}

.how h2,
.inside h2,
.faq h2 {
  font-size: var(--type-site-foundation-section);
  font-weight: var(--weight-site-section);
}

.base h2 {
  font-size: var(--type-site-commerce);
  font-weight: var(--weight-site-display);
  letter-spacing: var(--track-site-display);
}

.react { margin-top: var(--space-12); }

.react figure {
  min-width: 0;
  margin: 0;
  padding: var(--space-3);
  background: var(--canvas-inset);
}

.react video {
  aspect-ratio: 680 / 418;
  border-radius: calc(var(--radius-media) - var(--space-1));
}

.react figcaption,
.buy-card em,
.site-footer p {
  margin: var(--space-3) 0 0;
  color: var(--text-chrome-dim);
  font-size: var(--type-small);
  line-height: var(--leading-body);
}

.cards {
  margin-top: var(--space-16);
  text-align: center;
}

.cards article {
  position: relative;
  min-width: 0;
  min-height: 250px;
  padding: 112px var(--space-8) var(--space-8);
  border-radius: var(--radius-card);
  background: var(--canvas-inset);
}

.cards p { max-width: 34ch; margin-inline: auto; }

.peek {
  position: absolute;
  top: 0;
  left: 50%;
  width: 156px;
  height: 86px;
  background: var(--bg-app);
  transform: translate(-50%, calc(var(--space-5) * -1));
}

.checks {
  width: min(100%, var(--container-copy));
  margin: var(--space-7) auto 0;
}

.checks p,
.buy-note {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin: 0;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-media);
  background: var(--canvas-inset);
  color: var(--text-1);
  font-size: var(--type-site-body);
  line-height: var(--leading-compact);
}

.buy-card {
  display: grid;
  width: min(100%, 444px);
  min-height: 184px;
  align-content: center;
  gap: var(--space-2);
  margin: var(--space-7) auto 0;
  padding: var(--space-7) var(--space-6);
  border: 2px solid var(--white);
  border-radius: var(--radius-media);
  background: var(--white);
  color: var(--on-white);
  text-decoration: none;
  transition: transform var(--motion-fast) var(--ease-standard);
}

.buy-card span {
  font-size: var(--type-site-body);
  font-weight: var(--weight-site-section);
}

.buy-card strong {
  font-family: var(--font-ui);
  font-size: var(--type-site-commerce);
  font-weight: var(--weight-site-display);
  letter-spacing: var(--track-site-display);
  line-height: var(--leading-site-section);
}

.buy-card em {
  color: var(--on-white-placeholder);
  font-style: normal;
}

.buy-note {
  width: min(100%, 444px);
  margin: var(--space-3) auto 0;
}

.faq-list {
  width: 100%;
  margin: var(--space-12) auto 0;
  text-align: left;
}

.faq-list details { border-top: var(--hairline) solid var(--line-1); }
.faq-list details:last-child { border-bottom: var(--hairline) solid var(--line-1); }

summary {
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-ui);
  font-size: var(--type-emphasis);
  font-weight: var(--weight-site-section);
  letter-spacing: var(--track-tight);
  cursor: pointer;
  list-style: none;
}

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

summary::after {
  color: var(--text-chrome-dim);
  content: "+";
  font-size: var(--type-title);
  font-weight: var(--weight-regular);
}

details[open] summary::after { content: "–"; }

.faq-list p {
  max-width: var(--container-copy);
  margin: 0 0 var(--space-6);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-7) var(--space-12);
  color: var(--text-2);
  font-size: var(--type-row);
  line-height: var(--leading-body);
}

.site-footer a { padding-block: var(--space-3); text-decoration: none; }
.site-footer nav { display: flex; gap: var(--space-5); }

.nav-pill a:focus-visible,
.header-side:focus-visible,
.talk-tab:focus-visible,
.buy-card:focus-visible,
.site-footer a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

@media (hover: hover) {
  .nav-pill a:hover,
  .header-side:hover { color: var(--text-0); }
  .talk-tab:hover { color: var(--text-1); }
  .talk-tab:active { transform: scale(0.98); }
  .buy-card:hover { transform: scale(1.025); }
  .react figure:hover video,
  .cards article:hover video { transform: scale(1.03); }
}

@media (max-width: 767px) {
  .site-header {
    top: 0;
    width: 100%;
    grid-template-columns: 1fr;
    border-bottom: var(--hairline) solid var(--line-0);
    background: var(--bg-backdrop);
    backdrop-filter: blur(40px);
  }

  .nav-pill {
    width: 100%;
    grid-column: 1;
    justify-content: space-between;
    gap: 0;
    padding-inline: var(--space-1);
    border: 0;
    border-radius: 0;
    background: transparent;
    backdrop-filter: none;
  }

  .nav-pill a { padding-block: var(--space-4); padding-inline: var(--space-3); }
  .header-side { display: none; }

  .hero {
    padding-top: var(--space-24);
    padding-bottom: var(--space-10);
  }

  .hero-face { margin-top: var(--space-4); }
  .talk { margin-top: var(--space-8); }

  .talk-tab { min-height: 58px; }

  .react {
    display: flex;
    width: calc(100% + var(--site-gutter));
    gap: var(--space-3);
    overflow-x: auto;
    padding-right: var(--site-gutter);
    scroll-padding-inline: var(--site-gutter);
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .react::-webkit-scrollbar { display: none; }

  .react figure {
    flex: 0 0 78%;
    scroll-snap-align: start;
  }

  .cards { gap: var(--space-3); }
  .cards article { padding-inline: var(--space-6); }
  .checks { gap: var(--space-2); }
  .faq-list { margin-top: var(--space-10); }

  .site-footer {
    justify-content: center;
    text-align: center;
  }
}

@keyframes site-enter {
  from { opacity: 0; }
}

/* Mobile burger: позиционирование лендинга */
@media (max-width: 767px) {
  .menu-toggle { grid-column: 2; pointer-events: auto; }
  .nav-pill a:not(.brand) { display: none; }
}