/* ==========================================================================
   ВЕГА · котлы ж/д цистерн
   Промышленный премиум: графит, сталь, янтарь. Глубина вместо плоскости,
   типографика вместо украшений, движение только там, где помогает продать.
   ========================================================================== */

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

:root {
  /* Тёмная база */
  --ink-900: #08090b;
  --ink-850: #0d0f13;
  --ink-800: #12151a;
  --ink-750: #171b21;
  --ink-700: #1e232b;
  --ink-600: #2a3038;

  /* Светлая база */
  --paper: #ffffff;
  --paper-2: #f7f6f4;
  --paper-3: #efedea;
  --paper-4: #e4e1dc;

  /* Текст */
  --fg: #0d0f13;
  --fg-2: #4a515c;
  /* 4.76:1 на белом — проходит WCAG AA для обычного текста.
     Более светлый тон не годится: сноски и подсказки этим цветом читаются. */
  --fg-3: #6a7280;
  --on-dark: #f4f3f1;
  --on-dark-2: #a8b0bb;
  --on-dark-3: #6e7783;

  /* Линии */
  --hair: color-mix(in srgb, var(--ink-900) 10%, transparent);
  --hair-2: color-mix(in srgb, var(--ink-900) 6%, transparent);
  --hair-dark: color-mix(in srgb, #ffffff 11%, transparent);
  --hair-dark-2: color-mix(in srgb, #ffffff 6%, transparent);

  /* Акцент */
  --amber: #e2551a;
  --amber-600: #c9470f;
  --amber-300: #f5854e;
  --amber-wash: color-mix(in srgb, var(--amber) 8%, transparent);
  --steel: #5b7c99;

  /* Шрифты */
  --sans: "Inter var", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", "Cascadia Mono", Consolas, monospace;

  /* Геометрия */
  --r-sm: 6px;
  --r: 12px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* Тени */
  --lift-1: 0 1px 2px rgb(8 9 11 / .06), 0 2px 8px rgb(8 9 11 / .04);
  --lift-2: 0 2px 4px rgb(8 9 11 / .06), 0 12px 28px -6px rgb(8 9 11 / .12);
  --lift-3: 0 4px 8px rgb(8 9 11 / .08), 0 28px 64px -12px rgb(8 9 11 / .24);
  --lift-4: 0 8px 16px rgb(8 9 11 / .10), 0 48px 96px -20px rgb(8 9 11 / .34);
  --glow-amber: 0 0 0 1px color-mix(in srgb, var(--amber) 40%, transparent),
                0 8px 32px -8px color-mix(in srgb, var(--amber) 45%, transparent);

  /* Ритм */
  --wrap: 1240px;
  --wrap-tight: 980px;
  --pad: clamp(1.15rem, 4vw, 2.5rem);
  --band: clamp(4rem, 10vw, 8.5rem);
  --head-h: 66px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--head-h) + 1rem);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: "kern" 1, "liga" 1, "cv11" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 680;
  line-height: 1.04;
  letter-spacing: -.03em;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }

::selection { background: var(--amber); color: #fff; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================================ утилиты === */

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.wrap--tight { max-width: var(--wrap-tight); }

.band { padding-block: var(--band); position: relative; }
.band--paper { background: var(--paper); }
.band--tint { background: var(--paper-2); }
.band--dark { background: var(--ink-900); color: var(--on-dark); }
.band--dark h1, .band--dark h2, .band--dark h3 { color: #fff; }

/* Тонкая техническая сетка на тёмных полосах — глубина без шума. */
.band--dark::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--hair-dark-2) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hair-dark-2) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  opacity: .7;
}
.band--dark > * { position: relative; z-index: 1; }

.stack > * + * { margin-top: var(--gap, 1rem); }
.stack-sm { --gap: .5rem; }
.stack-lg { --gap: 2rem; }
.stack-xl { --gap: clamp(2rem, 5vw, 3.5rem); }

.dim { color: var(--fg-2); }
.dim-2 { color: var(--fg-3); }
.on-dark-dim { color: var(--on-dark-2); }
.tiny { font-size: .8rem; line-height: 1.55; color: var(--fg-3); }
.band--dark .tiny { color: var(--on-dark-3); }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------ типографика --- */

.display {
  font-size: clamp(2.35rem, 6.4vw, 5rem);
  letter-spacing: -.045em;
  line-height: .98;
  font-weight: 700;
}
.h-xl { font-size: clamp(1.9rem, 4.4vw, 3.35rem); letter-spacing: -.038em; }
.h-lg { font-size: clamp(1.5rem, 3vw, 2.25rem); letter-spacing: -.03em; }
.h-md { font-size: clamp(1.15rem, 1.9vw, 1.4rem); letter-spacing: -.022em; }

.lede {
  font-size: clamp(1.06rem, 1.55vw, 1.28rem);
  line-height: 1.55;
  color: var(--fg-2);
  max-width: 60ch;
}
.band--dark .lede { color: var(--on-dark-2); }

/* Служебная надпись над заголовком */
.kicker {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--amber);
}
.kicker::before {
  content: ""; width: 1.9rem; height: 1px;
  background: currentColor; opacity: .55;
}

/* Иконки Lucide из спрайта. Наследуют цвет через currentColor, поэтому
   сами перекрашиваются в тёмных блоках и при наведении.
   Символы шрифта для этого не годились: зависят от гарнитуры. */
.ico {
  width: 1.25em; height: 1.25em; flex: none;
  stroke-width: 1.75;
  vertical-align: -.15em;
}
.ico--sm { width: 1em; height: 1em; }
.ico--lg { width: 1.6em; height: 1.6em; stroke-width: 1.6; }
.btn .ico { width: 1.05em; height: 1.05em; transition: transform .22s var(--ease); }
.btn:hover .ico--arrow { transform: translateX(3px); }
.btn:hover .ico--arrow-back { transform: translateX(-3px); }
.band--dark .kicker { color: var(--amber-300); }

/* Крупный номер раздела как графика */
.secnum {
  font-family: var(--mono);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 700;
  line-height: .8;
  letter-spacing: -.06em;
  color: transparent;
  -webkit-text-stroke: 1px var(--hair);
  user-select: none;
  pointer-events: none;
}
.band--dark .secnum { -webkit-text-stroke-color: var(--hair-dark); }

.num-tab { font-variant-numeric: tabular-nums; }

/* ============================================================ шапка === */

.topbar {
  background: var(--ink-900);
  color: var(--on-dark-2);
  font-size: .78rem;
  border-bottom: 1px solid var(--hair-dark-2);
}
.topbar__inner {
  min-height: 38px;
  display: flex; align-items: center; gap: 1.5rem;
  flex-wrap: wrap;
}
.topbar b { color: var(--on-dark); font-weight: 600; }
.topbar__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #35c07a; flex: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, #35c07a 22%, transparent);
}
@media (max-width: 720px) { .topbar { display: none; } }

.head {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--hair-2);
  transition: box-shadow .3s var(--ease), background-color .3s var(--ease);
}
.head.is-stuck {
  box-shadow: 0 1px 0 var(--hair), 0 8px 28px -12px rgb(8 9 11 / .18);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
}
.head__inner {
  min-height: var(--head-h);
  display: flex; align-items: center; gap: clamp(.8rem, 2.5vw, 2rem);
}

.logo { display: flex; align-items: center; gap: .6rem; flex: none; }
.logo__glyph {
  width: 34px; height: 34px; flex: none;
  border-radius: 9px;
  background: linear-gradient(150deg, var(--ink-700), var(--ink-900) 70%);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / .1), var(--lift-1);
  display: grid; place-items: center;
  position: relative;
}
/* Стилизованный торец котла в знаке */
.logo__glyph::after {
  content: "";
  width: 17px; height: 11px;
  border-radius: 999px;
  border: 1.5px solid var(--amber);
  border-left-color: transparent;
  transform: rotate(-24deg);
}
.logo__word {
  font-size: 1.12rem; font-weight: 740; letter-spacing: -.035em; line-height: 1;
}
.logo__word i { font-style: normal; color: var(--amber); }
.logo__sub {
  display: block; font-size: .66rem; font-weight: 500; letter-spacing: .04em;
  color: var(--fg-3); margin-top: 2px;
}

.nav { display: flex; gap: .25rem; margin-inline: auto; }
.nav a {
  padding: .5rem .8rem; border-radius: var(--r-sm);
  font-size: .9rem; font-weight: 520; color: var(--fg-2);
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.nav a:hover { color: var(--fg); background: var(--paper-3); }
@media (max-width: 1020px) { .nav { display: none; } }

.head__right { display: flex; align-items: center; gap: .7rem; margin-left: auto; }
.head__tel { text-align: right; line-height: 1.15; }
.head__tel b { display: block; font-size: 1.02rem; font-weight: 660; letter-spacing: -.02em; white-space: nowrap; }
.head__tel span { font-size: .7rem; color: var(--fg-3); }
@media (max-width: 620px) { .head__tel span { display: none; } }
@media (max-width: 460px) { .head__tel { display: none; } }

/* ============================================================ кнопки === */

.btn {
  --bg: var(--amber);
  --fg-btn: #fff;
  --bd: transparent;
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .88rem 1.5rem;
  font: inherit; font-size: .96rem; font-weight: 620; line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--fg-btn); background: var(--bg);
  border: 1px solid var(--bd); border-radius: var(--r-sm);
  cursor: pointer; overflow: hidden;
  transition: transform .16s var(--ease), box-shadow .22s var(--ease),
              background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgb(255 255 255 / .16), transparent 55%);
  pointer-events: none;
}
.btn:hover { --bg: var(--amber-600); box-shadow: var(--glow-amber); transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.995); }
.btn[disabled] { opacity: .55; cursor: progress; transform: none; box-shadow: none; }

.btn--lg { padding: 1.06rem 1.9rem; font-size: 1.04rem; border-radius: var(--r); }
.btn--block { width: 100%; }
.btn--line {
  --bg: transparent; --fg-btn: var(--fg); --bd: var(--hair);
}
.btn--line::after { display: none; }
.btn--line:hover { --bg: var(--paper-3); --bd: var(--fg-3); box-shadow: none; }
.btn--line-dark {
  --bg: transparent; --fg-btn: var(--on-dark); --bd: var(--hair-dark);
}
.btn--line-dark::after { display: none; }
.btn--line-dark:hover { --bg: rgb(255 255 255 / .07); --bd: rgb(255 255 255 / .28); box-shadow: none; }
.btn--wa { --bg: #22a45d; }
.btn--wa:hover { --bg: #1b8b4e; box-shadow: 0 8px 32px -8px rgb(34 164 93 / .5); }

.btn__arrow { transition: transform .22s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ============================================================== HERO === */

.hero {
  position: relative;
  background: var(--ink-900);
  color: var(--on-dark);
  overflow: hidden;
  isolation: isolate;
}
/* Тёплое световое пятно справа сверху — объём без картинки */
.hero::before {
  content: ""; position: absolute; z-index: 0;
  inset: -30% -10% auto auto; width: 70vw; height: 70vw;
  background: radial-gradient(circle at 60% 40%,
    color-mix(in srgb, var(--amber) 26%, transparent) 0%,
    transparent 62%);
  filter: blur(20px);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--hair-dark-2) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hair-dark-2) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(ellipse 70% 80% at 20% 30%, #000 10%, transparent 70%);
}

.hero__grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 7vw, 5.5rem);
}
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; padding-block: 2.25rem 3rem; }
}

.hero h1 { color: #fff; }
.hero h1 em {
  font-style: normal;
  color: var(--amber-300);
}
.hero__sub {
  font-size: clamp(1.04rem, 1.5vw, 1.22rem);
  line-height: 1.55;
  color: var(--on-dark-2);
  max-width: 44ch;
}

/* Крупные факты как измерительная шкала */
.metrics {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--hair-dark);
  margin-top: clamp(1.6rem, 3vw, 2.4rem);
}
.metric { padding: 1.1rem 1.15rem 0 0; position: relative; }
.metric + .metric { padding-left: 1.15rem; }
.metric + .metric::before {
  content: ""; position: absolute; left: 0; top: 1.1rem; bottom: .2rem; width: 1px;
  background: var(--hair-dark);
}
.metric__v {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 700; letter-spacing: -.045em; line-height: 1;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.metric__v small { font-size: .5em; font-weight: 600; letter-spacing: -.02em; opacity: .75; }
.metric__k {
  font-size: .78rem; line-height: 1.35; color: var(--on-dark-3);
  margin-top: .45rem;
}
@media (max-width: 520px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(3) { grid-column: span 2; border-top: 1px solid var(--hair-dark); padding-left: 0; }
  .metric:nth-child(3)::before { display: none; }
}

/* Фото героя с рамкой-кадром */
.hero__shot { position: relative; margin-top: clamp(1.8rem, 4vw, 2.6rem); }
.hero__shot img {
  width: 100%; border-radius: var(--r-lg);
  box-shadow: 0 0 0 1px var(--hair-dark), var(--lift-4);
}
.hero__shot figcaption {
  display: flex; align-items: center; gap: .5rem;
  margin-top: .7rem;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .04em;
  color: var(--on-dark-3);
}
.hero__shot figcaption::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--amber); flex: none;
}

/* --------------------------------------------------- карточка формы --- */

.formcard {
  position: relative;
  background: var(--paper);
  color: var(--fg);
  border-radius: var(--r-xl);
  box-shadow: var(--lift-4), 0 0 0 1px rgb(255 255 255 / .06);
  overflow: hidden;
}
.formcard__head {
  padding: clamp(1.3rem, 2.4vw, 1.7rem) clamp(1.3rem, 2.4vw, 1.8rem) 0;
}
.formcard__badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; font-weight: 600;
  color: var(--amber);
  background: var(--amber-wash);
  border: 1px solid color-mix(in srgb, var(--amber) 22%, transparent);
  padding: .3rem .6rem; border-radius: 999px;
  margin-bottom: .85rem;
}
.formcard__body { padding: clamp(1.1rem, 2.2vw, 1.5rem) clamp(1.3rem, 2.4vw, 1.8rem) clamp(1.3rem, 2.4vw, 1.8rem); }
.formcard__foot {
  border-top: 1px solid var(--hair-2);
  background: var(--paper-2);
  padding: .85rem clamp(1.3rem, 2.4vw, 1.8rem);
  font-size: .82rem; color: var(--fg-3);
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
}

/* Шаги-подсказка «что будет дальше» */
.nextsteps { display: grid; gap: .55rem; margin-top: 1rem; }
.nextstep {
  display: flex; gap: .65rem; align-items: flex-start;
  font-size: .86rem; color: var(--fg-2);
}
.nextstep i {
  flex: none; width: 1.35rem; height: 1.35rem; border-radius: 50%;
  background: var(--paper-3); color: var(--fg-2);
  font-family: var(--mono); font-size: .7rem; font-weight: 700; font-style: normal;
  display: grid; place-items: center; margin-top: .05rem;
}

/* ============================================================ формы === */

.field { position: relative; display: grid; gap: .3rem; }
.field > label {
  font-size: .82rem; font-weight: 600; color: var(--fg-2); letter-spacing: -.005em;
}
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; color: var(--fg);
  width: 100%; padding: .82rem .9rem;
  background: var(--paper);
  border: 1.5px solid var(--paper-4);
  border-radius: var(--r-sm);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background-color .18s var(--ease);
  appearance: none;
}
.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--fg-3) 50%),
                    linear-gradient(135deg, var(--fg-3) 50%, transparent 50%);
  background-position: calc(100% - 1.15rem) 1.32rem, calc(100% - .8rem) 1.32rem;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.4rem;
}
.field input::placeholder { color: var(--fg-3); }
.field input:hover, .field select:hover { border-color: var(--fg-3); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-wash);
}
.field input[aria-invalid="true"], .field select[aria-invalid="true"] {
  border-color: #d0402a;
  box-shadow: 0 0 0 4px color-mix(in srgb, #d0402a 10%, transparent);
}
.field__error {
  font-size: .8rem; color: #c0331f; min-height: 1.05em; font-weight: 500;
}
.field--honey { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.formgrid { display: grid; gap: .8rem; }
.formgrid--2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 520px) { .formgrid--2 { grid-template-columns: 1fr; } }

.consent {
  display: flex; gap: .6rem; align-items: flex-start;
  font-size: .8rem; line-height: 1.45; color: var(--fg-3);
}
.consent input {
  flex: none; width: 1.1rem; height: 1.1rem; margin-top: .12rem;
  accent-color: var(--amber); cursor: pointer;
}
.consent a { color: var(--fg-2); text-decoration: underline; text-underline-offset: 2px; }

.formstatus {
  display: none; font-size: .88rem; font-weight: 500;
  padding: .75rem .9rem; border-radius: var(--r-sm);
}
.formstatus[data-state="pending"] {
  display: block; background: var(--paper-3); color: var(--fg-2);
}
.formstatus[data-state="error"] {
  display: block; background: #fdf1ee; color: #9e2c17;
  border: 1px solid #f3ccc2;
}

.formdone { display: none; text-align: center; padding: 1.2rem .25rem .4rem; }
.formdone__tick {
  width: 3rem; height: 3rem; margin: 0 auto .9rem;
  border-radius: 50%; background: #eaf7f0;
  display: grid; place-items: center;
  color: #1c7c4a; font-size: 1.5rem; font-weight: 700;
}
.leadform-wrap[data-done="true"] .formdone { display: block; }
.leadform-wrap[data-done="true"] .leadform,
.leadform-wrap[data-done="true"] .nextsteps { display: none; }

/* ====================================================== полоса доверия === */

.trust {
  background: var(--ink-850);
  border-block: 1px solid var(--hair-dark-2);
  padding-block: clamp(1.4rem, 3vw, 2.1rem);
}
.trust__grid {
  display: grid; gap: clamp(1rem, 2.5vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
}
.trust__item {
  display: flex; gap: .8rem; align-items: flex-start;
  color: var(--on-dark-2); font-size: .89rem; line-height: 1.45;
}
.trust__item b { display: block; color: #fff; font-size: .97rem; font-weight: 620; margin-bottom: .15rem; letter-spacing: -.015em; }
.trust__ico {
  flex: none; width: 2.4rem; height: 2.4rem; border-radius: 10px;
  background: linear-gradient(155deg, var(--ink-700), var(--ink-850));
  box-shadow: inset 0 1px 0 rgb(255 255 255 / .07);
  display: grid; place-items: center;
  color: var(--amber-300);
  font-family: var(--mono); font-size: .82rem; font-weight: 700;
}

/* =========================================================== разделы === */

.sechead { display: grid; gap: .9rem; max-width: 52rem; }
.sechead--split {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: clamp(1.5rem, 4vw, 3.5rem); align-items: end; max-width: none;
}
@media (max-width: 860px) { .sechead--split { grid-template-columns: 1fr; align-items: start; } }

/* ------------------------------------------------------- сплит-блок --- */

.split {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.6rem, 4.5vw, 4rem);
  align-items: center;
}
.split--wide-left { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
@media (max-width: 900px) {
  .split, .split--wide-left { grid-template-columns: 1fr; }
}

.frame { position: relative; }
.frame img {
  width: 100%; border-radius: var(--r-lg);
  box-shadow: var(--lift-3);
}
.frame--dark img { box-shadow: 0 0 0 1px var(--hair-dark), var(--lift-4); }
/* Угловые метки — чертёжная деталь */
.frame::before, .frame::after {
  content: ""; position: absolute; width: 26px; height: 26px;
  border: 2px solid var(--amber); opacity: .85;
}
.frame::before { top: -8px; left: -8px; border-right: 0; border-bottom: 0; border-radius: 4px 0 0 0; }
.frame::after { bottom: -8px; right: -8px; border-left: 0; border-top: 0; border-radius: 0 0 4px 0; }
.frame figcaption {
  margin-top: .75rem; font-size: .84rem; color: var(--fg-3);
}
.band--dark .frame figcaption { color: var(--on-dark-3); }

/* ---------------------------------------------------------- карточки --- */

.cards { display: grid; gap: clamp(.9rem, 2vw, 1.35rem); }
.cards--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.cards--3 { grid-template-columns: repeat(auto-fit, minmax(265px, 1fr)); }
.cards--4 { grid-template-columns: repeat(auto-fit, minmax(225px, 1fr)); }

.card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-lg);
  padding: clamp(1.25rem, 2.3vw, 1.75rem);
  transition: transform .28s var(--ease-out), box-shadow .28s var(--ease-out), border-color .28s var(--ease);
}
.card--hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--lift-3);
  border-color: transparent;
}
.card__ico {
  width: 2.6rem; height: 2.6rem; border-radius: 11px;
  background: var(--paper-3);
  display: grid; place-items: center; margin-bottom: 1rem;
  font-family: var(--mono); font-size: .88rem; font-weight: 700; color: var(--fg-2);
  transition: background-color .28s var(--ease), color .28s var(--ease);
}
.card--hover:hover .card__ico { background: var(--amber); color: #fff; }

.card--dark {
  background: linear-gradient(165deg, var(--ink-750), var(--ink-850));
  border-color: var(--hair-dark);
  color: var(--on-dark-2);
}
.card--dark h3 { color: #fff; }
.card--dark .card__ico {
  background: rgb(255 255 255 / .07); color: var(--amber-300);
}

/* ------------------------------------------- карточки состояния лота --- */

.lots { display: grid; gap: clamp(1.1rem, 2.5vw, 1.75rem); grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.lot {
  display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.lot:hover { transform: translateY(-5px); box-shadow: var(--lift-3); }
.lot--featured { border-color: color-mix(in srgb, var(--amber) 35%, transparent); }
.lot__media { position: relative; aspect-ratio: 4 / 3; background: var(--paper-3); overflow: hidden; }
.lot__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s var(--ease-out);
}
.lot:hover .lot__media img { transform: scale(1.045); }
.lot__tag {
  position: absolute; top: .85rem; left: .85rem;
  font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; font-weight: 700;
  padding: .38rem .65rem; border-radius: 6px;
  background: color-mix(in srgb, var(--ink-900) 82%, transparent);
  color: #fff; backdrop-filter: blur(8px);
}
.lot__tag--amber { background: var(--amber); }
.lot__body { padding: clamp(1.15rem, 2.2vw, 1.5rem); display: flex; flex-direction: column; gap: .9rem; flex: 1; }

.speclist { margin: 0; display: grid; }
.speclist > div {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .5rem 0; border-bottom: 1px solid var(--hair-2);
  font-size: .92rem;
}
.speclist > div:last-child { border-bottom: 0; }
.speclist dt { color: var(--fg-3); }
.speclist dd { margin: 0; text-align: right; font-weight: 580; font-variant-numeric: tabular-nums; }

.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  font-size: .78rem; font-weight: 620;
  padding: .3rem .65rem; border-radius: 999px;
  border: 1px solid var(--hair); background: var(--paper-2); color: var(--fg-2);
}
.chip--ok { border-color: #bfe2cf; background: #f1faf5; color: #167243; }
.chip--warm { border-color: color-mix(in srgb, var(--amber) 28%, transparent); background: var(--amber-wash); color: var(--amber-600); }

/* --------------------------------------------- таблица характеристик --- */

.tablewrap {
  border: 1px solid var(--hair-dark);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: color-mix(in srgb, #fff 4%, transparent);
}
.band--paper .tablewrap, .band--tint .tablewrap { border-color: var(--hair-2); background: var(--paper); }
.spectable { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 620px; }
.spectable th, .spectable td { text-align: left; padding: .95rem 1.15rem; }
.spectable thead th {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  font-weight: 600; color: var(--on-dark-3);
  background: rgb(255 255 255 / .03);
  border-bottom: 1px solid var(--hair-dark);
}
.band--paper .spectable thead th, .band--tint .spectable thead th {
  color: var(--fg-3); background: var(--paper-2); border-bottom-color: var(--hair-2);
}
.spectable tbody tr + tr td { border-top: 1px solid var(--hair-dark-2); }
.band--paper .spectable tbody tr + tr td, .band--tint .spectable tbody tr + tr td { border-top-color: var(--hair-2); }
.spectable tbody tr { transition: background-color .2s var(--ease); }
.spectable tbody tr:hover { background: rgb(255 255 255 / .035); }
.band--paper .spectable tbody tr:hover, .band--tint .spectable tbody tr:hover { background: var(--paper-2); }
.spectable td:not(:first-child) { font-variant-numeric: tabular-nums; }
.spectable .model {
  font-family: var(--mono); font-weight: 700; letter-spacing: -.01em; color: #fff;
}
.band--paper .spectable .model, .band--tint .spectable .model { color: var(--fg); }
.scrollhint { font-size: .78rem; color: var(--on-dark-3); margin-top: .6rem; }
@media (min-width: 700px) { .scrollhint { display: none; } }

/* ------------------------------------------------ сравнение с рынком --- */

.versus { border: 1px solid var(--hair-2); border-radius: var(--r-lg); overflow: hidden; background: var(--paper); }
.vs-row {
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}
.vs-row + .vs-row { border-top: 1px solid var(--hair-2); }
.vs-row > * { padding: .95rem 1.1rem; }
.vs-row--head {
  background: var(--ink-900); color: #fff;
}
.vs-row--head > * { font-size: .82rem; font-weight: 620; letter-spacing: -.01em; }
.vs-row--head .vs-us { color: var(--amber-300); }
.vs-what { font-weight: 560; font-size: .93rem; }
.vs-us, .vs-them { text-align: center; font-size: .89rem; }
.vs-us { background: var(--amber-wash); font-weight: 600; color: var(--fg); }
.vs-them { color: var(--fg-3); }
.vs-mark { font-size: 1.05rem; font-weight: 700; }
.vs-mark--yes { color: #167243; }
.vs-mark--no { color: #b9bec6; }
@media (max-width: 640px) {
  .vs-row { grid-template-columns: 1fr; }
  .vs-row > * { padding: .6rem 1rem; }
  .vs-row--head { display: none; }
  .vs-what { padding-top: .95rem; font-weight: 620; }
  .vs-us, .vs-them { text-align: left; display: flex; gap: .5rem; }
  .vs-us::before { content: "Мы:"; color: var(--fg-3); font-weight: 500; }
  .vs-them::before { content: "Обычно на рынке:"; color: var(--fg-3); font-weight: 500; }
  .vs-them { padding-bottom: .95rem; }
}

/* -------------------------------------------------- полноширинная лента --- */

.bleed { position: relative; overflow: hidden; }
.bleed img { width: 100%; height: clamp(300px, 46vw, 560px); object-fit: cover; }
.bleed__veil {
  position: absolute; inset: 0;
  background: linear-gradient(100deg,
    color-mix(in srgb, var(--ink-900) 92%, transparent) 0%,
    color-mix(in srgb, var(--ink-900) 62%, transparent) 42%,
    color-mix(in srgb, var(--ink-900) 12%, transparent) 78%);
  display: flex; align-items: center;
}
.bleed__inner { max-width: 34rem; }

/* -------------------------------------------------------------- шаги --- */

.steps { display: grid; gap: 1px; background: var(--hair-2); border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--hair-2); }
.steps--4 { grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); }
.step { background: var(--paper); padding: clamp(1.2rem, 2.2vw, 1.6rem); }
.step__n {
  font-family: var(--mono); font-size: .74rem; font-weight: 700;
  color: var(--amber); letter-spacing: .08em; margin-bottom: .6rem;
}
.step h3 { font-size: 1.02rem; margin-bottom: .35rem; }
.step p { font-size: .89rem; color: var(--fg-2); line-height: 1.5; }

/* --------------------------------------------------------------- FAQ --- */

.faq { border-top: 1px solid var(--hair-2); }
.faq details { border-bottom: 1px solid var(--hair-2); }
.faq summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 1.15rem 3rem 1.15rem 0;
  font-size: 1.04rem; font-weight: 600; letter-spacing: -.018em;
  transition: color .2s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--amber-600); }
.faq summary::after {
  content: ""; position: absolute; right: .6rem; top: 50%;
  width: 13px; height: 13px; margin-top: -6px;
  background:
    linear-gradient(var(--amber), var(--amber)) center/13px 1.8px no-repeat,
    linear-gradient(var(--amber), var(--amber)) center/1.8px 13px no-repeat;
  transition: transform .28s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); background-size: 13px 1.8px, 0 0; }
.faq__a { padding: 0 clamp(0rem, 4vw, 3rem) 1.35rem 0; color: var(--fg-2); max-width: 76ch; }

/* ------------------------------------------------------------ галерея --- */

.gallery { display: grid; gap: clamp(.7rem, 1.6vw, 1.1rem); grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.shot { margin: 0; position: relative; overflow: hidden; border-radius: var(--r); }
.shot img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  transition: transform .7s var(--ease-out);
}
.shot:hover img { transform: scale(1.05); }
.shot figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 1.6rem .9rem .75rem;
  font-size: .82rem; color: #fff;
  background: linear-gradient(transparent, color-mix(in srgb, var(--ink-900) 85%, transparent));
}

/* ============================================================ футер === */

.foot { background: var(--ink-900); color: var(--on-dark-2); padding-block: clamp(2.5rem, 5vw, 4rem) 2rem; font-size: .9rem; }
.foot a:hover { color: #fff; }
.foot__top {
  display: grid; gap: clamp(1.5rem, 3.5vw, 3rem);
  grid-template-columns: minmax(0, 1.3fr) repeat(auto-fit, minmax(160px, 1fr));
  padding-bottom: 2rem; border-bottom: 1px solid var(--hair-dark-2);
}
.foot h4 {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .13em; text-transform: uppercase;
  color: var(--on-dark-3); font-weight: 600; margin-bottom: .85rem;
}
.foot__links { display: grid; gap: .45rem; }
.foot__legal { padding-top: 1.5rem; font-size: .8rem; color: var(--on-dark-3); line-height: 1.6; display: grid; gap: .5rem; }

/* ==================================================== мобильная панель === */

.dock {
  position: fixed; inset: auto 0 0 0; z-index: 70;
  display: none; gap: .5rem;
  padding: .6rem .7rem calc(.6rem + env(safe-area-inset-bottom, 0px));
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--hair);
  box-shadow: 0 -8px 28px -12px rgb(8 9 11 / .2);
}
.dock .btn { flex: 1; padding-inline: .4rem; font-size: .9rem; }
@media (max-width: 780px) {
  .dock { display: flex; }
  body { padding-bottom: 4.6rem; }
}

/* ==================================================== прогресс скролла === */

.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 80;
  background: transparent; pointer-events: none;
}
.progress i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--amber), var(--amber-300));
  transition: width .1s linear;
}

/* ========================================================== движение === */

/* Появление на скролле: только прозрачность и небольшой сдвиг,
   ничего не «прыгает» и не мешает читать. */
.rise { opacity: 0; transform: translateY(18px); }
.rise.is-in {
  opacity: 1; transform: none;
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  transition-delay: var(--d, 0ms);
}

@media (prefers-reduced-motion: reduce) {
  .rise { opacity: 1; transform: none; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .lot:hover, .card--hover:hover { transform: none; }
  .shot:hover img, .lot:hover .lot__media img { transform: none; }
}