/* ==========================================================================
   nextry · voice-agents
   Инженерная эстетика: графит, чертёжная сетка, моноцифры, HUD-подписи.
   Принцип: не «неоновый AI», а измеримость — пусть видно, как это считается.
   ========================================================================== */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/assets/fonts/sans-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('/assets/fonts/sans-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url('/assets/fonts/mono-cyrillic.woff2') format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url('/assets/fonts/mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* фон и поверхности */
  --bg: #0b0d10;
  --bg-2: #0e1216;
  --panel: #11151a;
  --panel-2: #151a21;

  /* текст */
  --ink: #e9eef4;
  --ink-soft: #c9d2dc;
  --ink-mute: #96a2af;
  --ink-dim: #93a0ad;

  /* линии */
  --line: rgba(233, 238, 244, 0.10);
  --line-2: rgba(233, 238, 244, 0.16);
  --line-3: rgba(233, 238, 244, 0.26);

  /* акценты */
  --acc: #57d3b8;
  --acc-2: #3fb59a;
  --acc-hi: #6de0c6;
  --acc-dim: rgba(87, 211, 184, 0.13);
  --acc-line: rgba(87, 211, 184, 0.32);
  --warm: #e8834a;

  /* псевдонимы старых имён — чтобы legal.css и разметка не разъехались */
  --paper: var(--bg);
  --paper-2: var(--panel);
  --accent: var(--acc);
  --accent-2: var(--acc-2);
  --line-strong: var(--line-2);

  --sans: 'Inter', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --w: 1240px;
  --pad: clamp(20px, 4.5vw, 56px);
  --r: 3px;
  --r-lg: 6px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Чертёжная сетка. Две частоты: крупная как миллиметровка, мелкая как
   координатная. Держим очень слабой — иначе текст начинает «звенеть». */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(233, 238, 244, 0.030) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233, 238, 244, 0.030) 1px, transparent 1px),
    linear-gradient(to right, rgba(233, 238, 244, 0.013) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233, 238, 244, 0.013) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  mask-image: radial-gradient(ellipse 130% 95% at 50% 0%, #000 22%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 130% 95% at 50% 0%, #000 22%, transparent 76%);
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

::selection { background: var(--acc); color: #06110e; }

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

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  background: var(--acc);
  color: #06110e;
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 13px;
}
.skip:focus { left: 12px; }

.wrap {
  width: 100%;
  max-width: calc(var(--w) + var(--pad) * 2);
  margin: 0 auto;
  padding: 0 var(--pad);
  position: relative;
  z-index: 1;
}

/* ───────────────────────── шапка ───────────────────────── */

.head {
  position: sticky;
  top: 0;
  z-index: 50;
  /* Непрозрачность — база, а не эффект: без backdrop-filter полупрозрачная
     шапка просвечивает текстом и мешает читать. */
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
@supports (backdrop-filter: blur(1px)) {
  .head { background: rgba(11, 13, 16, 0.84); backdrop-filter: blur(14px) saturate(140%); }
}
.head.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(11, 13, 16, 0.95);
}

.head__in {
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  font-family: var(--mono);
}
.brand__mark { color: var(--acc); display: flex; flex: none; }
.brand__mark svg { width: 22px; height: 22px; }
.brand__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.brand__sub {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-left: 10px;
  border-left: 1px solid var(--line-2);
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.03em;
}
.nav a {
  position: relative;
  color: var(--ink-mute);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--acc); }

/* ───────────────────────── кнопки ───────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 14px 22px;
  min-height: 46px;
  border-radius: var(--r);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), transform 0.18s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn__arr { transition: transform 0.25s var(--ease); flex: none; }
.btn:hover .btn__arr { transform: translateX(3px); }

.btn--ink { background: var(--acc); color: #06110e; font-weight: 600; border-color: var(--acc); }
.btn--ink:hover { background: var(--acc-hi); border-color: var(--acc-hi); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-3);
}
.btn--ghost:hover { border-color: var(--acc-line); color: var(--ink); background: var(--acc-dim); }

.btn--line {
  background: transparent;
  border-color: var(--line-3);
  color: var(--ink);
}
.btn--line:hover { border-color: var(--acc); color: var(--acc); background: var(--acc-dim); }

.btn--light { background: var(--acc); color: #06110e; font-weight: 600; border-color: var(--acc); }
.btn--light:hover { background: var(--acc-hi); border-color: var(--acc-hi); }

.btn--light-line {
  background: transparent;
  border-color: var(--acc-line);
  color: var(--acc);
}
.btn--light-line:hover { background: var(--acc-dim); border-color: var(--acc); }

.btn--sm { padding: 10px 16px; min-height: 40px; font-size: 12px; }
.btn--full { width: 100%; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ───────────────────────── hero ───────────────────────── */

.hero {
  position: relative;
  padding: clamp(44px, 6.5vw, 84px) 0 clamp(52px, 7vw, 92px);
  overflow: hidden;
}
/* Мягкое свечение снизу — как подсветка экрана в тёмной комнате. */
.hero::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -34%;
  width: min(1100px, 130%);
  height: 620px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at 50% 100%, rgba(87, 211, 184, 0.10) 0%, transparent 66%);
  pointer-events: none;
  z-index: 0;
}

.hero__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  margin-bottom: clamp(30px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.tag {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acc);
  font-weight: 500;
}

.hero__stamp {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: var(--ink-dim);
}

.hero__h1 {
  margin: 0 0 clamp(30px, 4vw, 46px);
  font-size: clamp(35px, 5.6vw, 71px);
  line-height: 1.05;
  font-weight: 300;
  letter-spacing: -0.034em;
  color: var(--ink);
  max-width: 21ch;
}
.hero__h1 em {
  font-style: normal;
  font-weight: 500;
  color: var(--acc);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: clamp(30px, 4.5vw, 68px);
  align-items: start;
}
/* карточка звонка — единственный «экран» на первом плане: пусть держит
   верхнюю линию с абзацем, иначе справа остаётся провал */
.hero__grid > .call { margin-top: -6px; }

.lead {
  margin: 0;
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.62;
  color: var(--ink-soft);
  max-width: 54ch;
}

/* Три технические характеристики — не «фичи», а ограничения проекта. */
.proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.proof li {
  background: var(--panel);
  padding: 16px 15px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.proof__k {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 400;
  color: var(--acc);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.proof__v {
  font-size: 12px;
  line-height: 1.4;
  color: var(--ink-dim);
}

/* ─────────────── карточка звонка: консоль, а не «виджет» ─────────────── */

.call {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.95);
}

.call__top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}
.call__pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 0 0 rgba(87, 211, 184, 0.6);
  animation: pulse 2.4s infinite;
  flex: none;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(87, 211, 184, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(87, 211, 184, 0); }
  100% { box-shadow: 0 0 0 0 rgba(87, 211, 184, 0); }
}
.call__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.call__timer {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  color: var(--acc);
  letter-spacing: 0.04em;
}

.call__wave {
  padding: 14px 16px 10px;
  background: linear-gradient(to bottom, rgba(87, 211, 184, 0.05), transparent 72%);
  border-bottom: 1px solid var(--line);
}
.call__wave canvas { width: 100%; height: 82px; }

/* Телеметрия: видно, из чего складывается ответ и сколько это заняло. */
.tel {
  display: grid;
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.tel__row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 58px;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--panel);
}
.tel__k {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  color: var(--ink-dim);
}
.tel__track {
  height: 3px;
  background: rgba(233, 238, 244, 0.09);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.tel__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--acc);
  border-radius: 2px;
  transition: width 0.5s var(--ease);
}
.tel__row:nth-child(2) .tel__fill { background: #6dd6e8; }
.tel__row:nth-child(3) .tel__fill { background: #a4b8ff; }
.tel__v {
  font-family: var(--mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
  text-align: right;
  letter-spacing: -0.01em;
}

.call__feed {
  padding: 14px 16px;
  min-height: 82px;
  display: flex;
  align-items: center;
}
.call__line {
  margin: 0;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  width: 100%;
  animation: lineIn 0.45s var(--ease) both;
}
@keyframes lineIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.call__who {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--acc);
  padding-top: 4px;
}
.call__text {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
}
.call__text .caret {
  display: inline-block;
  width: 1px;
  height: 1.05em;
  background: var(--acc);
  transform: translateY(2px);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.call__act {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 16px;
  border-top: 1px solid var(--line);
  background: rgba(87, 211, 184, 0.05);
  font-family: var(--mono);
  font-size: 10.5px;
  animation: lineIn 0.4s var(--ease) both;
}
.call__act[hidden] { display: none; }
.call__act-k {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--acc);
  flex: none;
}
.call__act-v { color: var(--ink-soft); letter-spacing: 0.01em; }

.call__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 11px 16px;
  border-top: 1px solid var(--line);
  background: var(--panel-2);
}

.chip {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  white-space: nowrap;
}

.call__glow {
  position: absolute;
  inset: auto 0 0 0;
  height: 110px;
  background: radial-gradient(ellipse at 50% 100%, rgba(87, 211, 184, 0.13), transparent 70%);
  pointer-events: none;
}

/* ───────────────────────── бегущая строка ───────────────────────── */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  padding: 12px 0;
  position: relative;
  z-index: 1;
  user-select: none;
  mask-image: linear-gradient(to right, transparent, #000 7%, #000 93%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 7%, #000 93%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: slide 58s linear infinite;
}
.marquee__track span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-right: 6px;
  white-space: nowrap;
}
@keyframes slide {
  to { transform: translateX(-50%); }
}

/* ───────────────────────── секции ───────────────────────── */

.sec {
  padding: clamp(58px, 8vw, 104px) 0;
  position: relative;
}
.sec + .sec { border-top: 1px solid var(--line); }
.sec--talk { background: var(--bg-2); }
.sec--eng { background: var(--bg-2); }
.sec--honest { padding-top: clamp(52px, 7vw, 92px); }

.sec__head {
  max-width: 900px;
  margin-bottom: clamp(32px, 4.5vw, 52px);
}
.sec__head--narrow { max-width: 720px; }

/* Служебная подпись: капс, разрядка, моноширинный + линия до края. */
.num {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acc);
  display: flex;
  align-items: center;
  gap: 12px;
}
.num::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--line-2), transparent);
}

.h2 {
  margin: 0;
  font-size: clamp(27px, 3.5vw, 46px);
  line-height: 1.13;
  letter-spacing: -0.028em;
  font-weight: 300;
  color: var(--ink);
  max-width: 21ch;
}
.h2 em {
  font-style: normal;
  font-weight: 500;
  color: var(--acc);
}
.h2--light { color: var(--ink); }

.sec__lead {
  margin: 18px 0 0;
  font-size: clamp(15.5px, 1.2vw, 17px);
  line-height: 1.62;
  color: var(--ink-mute);
  max-width: 62ch;
}

/* ───────────────────────── 01 направления ───────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.card {
  background: var(--panel);
  padding: 24px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  transition: background 0.3s var(--ease);
  position: relative;
}
.card:hover { background: var(--panel-2); }

.card--accent { background: var(--panel-2); }
.card--accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--acc);
}

.card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}
.card__no {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--acc);
  padding: 3px 7px;
  border: 1px solid var(--acc-line);
  border-radius: 2px;
  white-space: nowrap;
}
.card__kind {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: right;
}

.card__h {
  margin: 2px 0 0;
  font-size: 20px;
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.card__p {
  margin: 0;
  font-size: 14px;
  line-height: 1.58;
  color: var(--ink-mute);
}

.card__list {
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.48;
  color: var(--ink-soft);
}
.card__list li { position: relative; padding-left: 16px; }
.card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--acc);
}

.card__foot {
  margin: auto 0 0;
  min-height: 62px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 400;
  color: var(--acc);
  letter-spacing: 0;
}

/* ───────────────────────── 02 разговор ───────────────────────── */

.talk__tabs {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: nowrap;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background: var(--panel-2);
  overflow-x: auto;
  scrollbar-width: none;
}
.talk__tabs::-webkit-scrollbar { display: none; }

.tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 15px 20px;
  min-height: 52px;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
  white-space: nowrap;
  transition: color 0.2s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}
.tab:hover { color: var(--ink-soft); background: rgba(233, 238, 244, 0.03); }
.tab.is-on {
  color: var(--ink);
  background: var(--panel);
  border-bottom-color: var(--acc);
}
.tab__no {
  font-size: 10px;
  font-weight: 600;
  color: var(--acc);
  border: 1px solid var(--acc-line);
  border-radius: 2px;
  padding: 2px 5px;
}

.talk__hint {
  margin-left: auto;
  padding: 0 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  white-space: nowrap;
}

.talk__stage {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(0, 0.9fr);
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

.scene { padding: 0; border-right: 1px solid var(--line); min-width: 0; }
.scene[hidden] { display: none; }

.scene__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(233, 238, 244, 0.018);
}
.scene__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acc);
  flex: none;
  animation: pulse2 2.4s infinite;
}
@keyframes pulse2 {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.scene__meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.scene__state {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--acc);
  white-space: nowrap;
}

.dialog {
  display: flex;
  flex-direction: column;
  padding: 4px 18px 14px;
}

.turn {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(8px);
  animation: turnIn 0.5s var(--ease) forwards;
}
.turn:last-child { border-bottom: 0; }
@keyframes turnIn {
  to { opacity: 1; transform: none; }
}

.turn__who {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-top: 4px;
}
.turn--agent .turn__who { color: var(--acc); }
.turn--client .turn__who { color: var(--ink-mute); }
.turn--result .turn__who,
.turn--handoff .turn__who { color: var(--warm); }

.turn__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.56;
  letter-spacing: -0.008em;
  color: var(--ink-soft);
}
.turn--agent .turn__text { color: var(--ink); }

.turn__note {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--ink-dim);
  padding-left: 11px;
  border-left: 1px solid var(--acc-line);
}

.turn--result,
.turn--handoff {
  background: rgba(232, 131, 74, 0.06);
  border-radius: var(--r);
  padding: 14px 14px;
  border-bottom-color: transparent;
  margin: 6px 0;
  border-left: 2px solid var(--warm);
}
.turn--result .turn__text,
.turn--handoff .turn__text { color: var(--ink); font-size: 14.5px; }

.scene__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 13px 18px;
  border-top: 1px solid var(--line);
  background: rgba(233, 238, 244, 0.018);
}

.pill {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  padding: 5px 9px;
  border-radius: 2px;
  background: var(--acc-dim);
  color: var(--acc);
  border: 1px solid var(--acc-line);
  white-space: nowrap;
}
.pill--ghost {
  background: transparent;
  color: var(--ink-dim);
  border-color: var(--line);
}

.talk__side {
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--panel-2);
  min-width: 0;
}
.talk__side-h {
  margin: 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.talk__side-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 13.5px;
  line-height: 1.52;
  color: var(--ink-mute);
}
.talk__side-list b {
  display: block;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 3px;
}
.talk__side .btn { margin-top: auto; }

/* ───────────────────────── 03 экономика ───────────────────────── */

.money {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: stretch;
}

.calc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
}
.calc__h {
  margin: 0 0 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}

.calc__field { margin-bottom: 18px; }
.calc__field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-bottom: 2px;
}
.calc__field output {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 400;
  color: var(--acc);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  /* 44px — минимальная тач-цель; дорожка рисуется по центру */
  height: 44px;
  background: transparent;
  cursor: pointer;
  display: block;
}
input[type='range']::-webkit-slider-runnable-track {
  height: 3px;
  background: rgba(233, 238, 244, 0.13);
  border-radius: 2px;
}
input[type='range']::-moz-range-track {
  height: 3px;
  background: rgba(233, 238, 244, 0.13);
  border-radius: 2px;
}
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--acc);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--acc);
  transition: transform 0.15s var(--ease);
}
input[type='range']::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--acc);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--acc);
}
input[type='range']:hover::-webkit-slider-thumb { transform: scale(1.15); }
input[type='range']:focus-visible { outline: 2px solid var(--acc); outline-offset: 4px; }

.calc__note {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-dim);
}
.calc__note b {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-weight: 500;
}

.calc-out {
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  padding: 24px 22px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.calc-out::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(to right, var(--acc), transparent);
}

.calc-out__big {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}
.calc-out__label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.calc-out__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(30px, 3.6vw, 42px);
  font-weight: 300;
  letter-spacing: -0.035em;
  color: var(--acc);
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
}
.calc-out__num small {
  font-size: 0.42em;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ink-dim);
}

.calc-out__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.calc-out__grid > div {
  background: var(--panel);
  padding: 13px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.calc-out__k { font-size: 11px; letter-spacing: 0.01em; color: var(--ink-dim); }
.calc-out__v {
  font-family: var(--mono);
  font-size: 14.5px;
  font-weight: 400;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.calc-out__fine {
  margin: auto 0 0;
  padding-top: 16px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--ink-dim);
}

/* факты рынка */

.market {
  margin-top: clamp(26px, 3.5vw, 40px);
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.market__h {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.market__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.fact {
  background: var(--panel);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.fact__num {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(22px, 2.2vw, 27px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.fact__num span {
  font-size: 0.5em;
  font-weight: 400;
  color: var(--ink-dim);
  letter-spacing: 0;
}
.fact__txt {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-mute);
  flex: 1;
}
.fact__src { margin: auto 0 0; font-size: 11px; }
.fact__src a {
  color: var(--ink-dim);
  text-decoration: underline;
  text-decoration-color: var(--line-3);
  text-underline-offset: 3px;
  /* ссылка на источник мелкая: тач-цель добираем отступом, а не кеглем */
  display: inline-block;
  padding: 6px 0;
  transition: color 0.2s var(--ease);
}
.fact__src a:hover { color: var(--acc); text-decoration-color: var(--acc); }

.market__disclaimer {
  margin: 16px 0 0;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 74ch;
  padding-left: 12px;
  border-left: 1px solid var(--line-2);
}

/* ───────────────────────── 04 внедрение ───────────────────────── */

.how {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  grid-template-areas:
    'no h meta'
    'no p p';
  column-gap: 16px;
  row-gap: 5px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background 0.25s var(--ease);
}
.step__no {
  grid-area: no;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--acc);
  border: 1px solid var(--acc-line);
  border-radius: 2px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-variant-numeric: tabular-nums;
}
.step__h {
  grid-area: h;
  margin: 0;
  font-size: 16.5px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  align-self: center;
}
.step__p {
  grid-area: p;
  margin: 0;
  font-size: 14px;
  line-height: 1.56;
  color: var(--ink-mute);
  max-width: 58ch;
}
.step__meta {
  grid-area: meta;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  white-space: nowrap;
  align-self: center;
}

.metrics {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
  position: sticky;
  top: 92px;
}
.metrics__h {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}
.metrics__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
}
.metrics__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}
.metrics__list li:last-child { border-bottom: 0; }
.metrics__list b {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--acc);
  border: 1px solid var(--acc-line);
  border-radius: 2px;
  padding: 2px 6px;
  flex: none;
}
.metrics__note {
  margin: 14px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--ink-dim);
}

/* ───────────────────────── 05 инженерия ───────────────────────── */

.latency {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
  margin-bottom: clamp(22px, 3vw, 30px);
}
.latency__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.latency__h {
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.latency__sum {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.02em;
}
.latency__sum b {
  font-size: 14px;
  font-weight: 400;
  color: var(--acc);
  font-variant-numeric: tabular-nums;
}

.latency__bar {
  display: flex;
  gap: 3px;
  height: 52px;
  margin-bottom: 16px;
}
.latency__seg {
  width: var(--w);
  border-radius: 2px;
  padding: 8px 11px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1px;
  min-width: 0;
  overflow: hidden;
  transform-origin: left;
  animation: segIn 0.7s var(--ease) both;
}
.latency__seg--0 { animation-delay: 0s; }
.latency__seg--1 { animation-delay: 0.08s; }
.latency__seg--2 { animation-delay: 0.16s; }
.latency__seg--3 { animation-delay: 0.24s; }
@keyframes segIn {
  from { transform: scaleX(0.25); opacity: 0.25; }
  to { transform: scaleX(1); opacity: 1; }
}
.latency__seg b {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.latency__seg i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.latency__seg--0 { background: rgba(150, 162, 175, 0.16); color: #b3bdc7; }
.latency__seg--1 { background: rgba(87, 211, 184, 0.20); color: #8ee6d2; }
.latency__seg--2 { background: rgba(109, 214, 232, 0.18); color: #9ee0ee; }
.latency__seg--3 { background: rgba(164, 184, 255, 0.18); color: #bccaff; }

.latency__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-mute);
  max-width: 88ch;
}

.eng {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.eng__item {
  background: var(--panel);
  padding: 20px 18px;
  transition: background 0.3s var(--ease);
}
.eng__item:hover { background: var(--panel-2); }
.eng__h {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.eng__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.56;
  color: var(--ink-mute);
  max-width: 44ch;
}

/* ───────────────────────── 06 границы ───────────────────────── */

.honest {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: clamp(26px, 4.5vw, 68px);
  align-items: start;
}
.honest__left .h2 { margin-top: 0; max-width: 16ch; }

.honest__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.honest__list li {
  padding: 15px 0 15px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.56;
  color: var(--ink-mute);
  position: relative;
}
.honest__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 23px;
  width: 7px;
  height: 1px;
  background: var(--warm);
}
.honest__list b {
  display: block;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 3px;
}
.honest__note {
  margin: 20px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--warm);
  padding-left: 13px;
  border-left: 1px solid var(--warm);
}

/* ───────────────────────── 07 FAQ ───────────────────────── */

.faq {
  border-top: 1px solid var(--line);
  max-width: 900px;
}
.qa { border-bottom: 1px solid var(--line); }

.qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 19px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--ink);
  list-style: none;
  transition: color 0.2s var(--ease);
  min-height: 44px;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--acc); }
.qa summary::after {
  content: '';
  flex: none;
  width: 12px;
  height: 12px;
  background:
    linear-gradient(currentColor, currentColor) center / 12px 1px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1px 12px no-repeat;
  color: var(--acc);
  transition: transform 0.3s var(--ease);
}
.qa[open] summary::after { transform: rotate(135deg); }

.qa__body { padding: 0 0 20px; max-width: 72ch; }
.qa__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--ink-mute);
}

/* ───────────────────────── финал ───────────────────────── */

.finale {
  position: relative;
  border-top: 1px solid var(--line);
  padding: clamp(52px, 7vw, 88px) 0;
  background:
    radial-gradient(ellipse 92% 130% at 50% 100%, rgba(87, 211, 184, 0.09), transparent 68%),
    var(--bg-2);
  overflow: hidden;
}
.finale__in {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.85fr);
  gap: clamp(26px, 4.5vw, 60px);
  align-items: center;
}
.finale__text .h2 { max-width: 18ch; margin-bottom: 16px; }
.finale__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--ink-mute);
  max-width: 52ch;
}
.finale__act { display: flex; flex-direction: column; gap: 10px; }
.finale__fine {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink-dim);
  text-align: center;
}

/* ───────────────────────── подвал ───────────────────────── */

.foot {
  border-top: 1px solid var(--line);
  padding: clamp(36px, 5vw, 54px) 0 24px;
  background: var(--bg);
  position: relative;
  z-index: 1;
}
.foot__top {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(22px, 4vw, 52px);
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}
.foot__brand .brand__name { font-family: var(--mono); }
.foot__brand p {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 34ch;
}
.foot__nav { display: flex; flex-direction: column; gap: 0; }
.foot__nav a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-mute);
  width: fit-content;
  padding: 7px 0;
  transition: color 0.2s var(--ease);
}
.foot__nav a:hover { color: var(--acc); }
.foot__contact {
  display: flex;
  flex-direction: column;
  gap: 0;
  color: var(--ink-soft);
}
.foot__contact a {
  font-family: var(--mono);
  font-size: 12px;
  width: fit-content;
  padding: 7px 0;
  transition: color 0.2s var(--ease);
}
.foot__contact a:hover { color: var(--acc); }
.foot__contact span {
  font-size: 12px;
  color: var(--ink-dim);
  padding: 7px 0;
}

.foot__bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 18px;
  font-size: 11.5px;
  color: var(--ink-dim);
}
.foot__bottom p { margin: 0; }
.foot__bottom a {
  text-decoration: underline;
  text-decoration-color: var(--line-3);
  text-underline-offset: 3px;
  display: inline-block;
  padding: 4px 0;
  transition: color 0.2s var(--ease);
}
.foot__bottom a:hover { color: var(--acc); }

/* ───────────────────────── появление при скролле ───────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(14px);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

/* ───────────────────────── адаптив ───────────────────────── */

@media (max-width: 1080px) {
  .nav { display: none; }
  .head__in { justify-content: space-between; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__h1 { max-width: 22ch; }
  .call { max-width: 620px; }
  .cards { grid-template-columns: 1fr; }
  .talk__stage { grid-template-columns: 1fr; }
  .scene { border-right: 0; border-bottom: 1px solid var(--line); }
  .money { grid-template-columns: 1fr; }
  .market__grid { grid-template-columns: 1fr 1fr; }
  .how { grid-template-columns: 1fr; }
  .metrics { position: static; }
  .eng { grid-template-columns: 1fr 1fr; }
  .honest { grid-template-columns: 1fr; }
  .honest__left .h2 { max-width: 21ch; margin-bottom: 22px; }
  .finale__in { grid-template-columns: 1fr; }
  .foot__top { grid-template-columns: 1fr 1fr; }
  .foot__brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .turn { grid-template-columns: 1fr; gap: 5px; }
  .turn__who { padding-top: 0; }
  .latency__bar { flex-direction: column; height: auto; gap: 4px; }
  .latency__seg {
    width: 100%;
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
    padding: 9px 11px;
  }
  .latency__seg i { text-overflow: clip; }
  .brand__sub { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .talk__tabs { overflow-x: visible; }
  .tab {
    flex: 1 1 0;
    min-width: 0;
    justify-content: center;
    padding: 13px 6px;
    font-size: 11px;
    gap: 6px;
    letter-spacing: 0;
  }
  .tab__no { padding: 1px 4px; font-size: 9.5px; }
  .head__in { min-height: 60px; gap: 12px; }
  .head .btn span { display: none; }
  .head .btn { padding: 10px 12px; min-height: 40px; }
  .hero__h1 { font-size: clamp(29px, 8.6vw, 42px); max-width: none; }
  .proof { grid-template-columns: 1fr; }
  .proof li { flex-direction: row; align-items: baseline; gap: 10px; padding: 13px 14px; }
  .proof__v { flex: 1; }
  .market__grid { grid-template-columns: 1fr; }
  .eng { grid-template-columns: 1fr; }
  .calc-out__grid { grid-template-columns: 1fr; }
  .calc { padding: 18px; }
  .calc-out { padding: 20px 18px; }
  .metrics { padding: 18px; }
  .latency { padding: 18px; }
  .talk__side { padding: 18px; }
  .dialog { padding: 4px 14px 12px; }
  .scene__bar, .scene__foot { padding-left: 14px; padding-right: 14px; }
  .scene__meta { font-size: 9px; letter-spacing: 0.04em; }
  .scene__state { font-size: 9px; }
  .turn--result, .turn--handoff { padding: 13px 12px; }
  .step {
    grid-template-columns: 34px minmax(0, 1fr);
    grid-template-areas: 'no h' 'no p' 'no meta';
  }
  .step__meta { align-self: start; padding-top: 3px; }
  .foot__top { grid-template-columns: 1fr; gap: 20px; }
  .foot__bottom { flex-direction: column; gap: 6px; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }
  .qa summary { font-size: 15px; }
  .call__line { grid-template-columns: 1fr; gap: 4px; }
  .tel__row { grid-template-columns: 34px minmax(0, 1fr) 52px; gap: 8px; padding: 8px 12px; }
  .talk__hint { display: none; }
}

/* ───────────────────────── reduced motion ───────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .turn { opacity: 1; transform: none; }
  .reveal { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .call__pulse, .scene__dot { animation: none; }
}

@media print {
  .head, .marquee, .call__wave, .btn, .finale { display: none; }
  body { background: #fff; color: #111; }
  body::before { display: none; }
}