/* ============================================================
   Сервисология — инженерная дизайн-система главной страницы
   Один файл, mobile-first. Не подключать вместе с main.css /
   shared.css / engineering-*.css / reference-*.css.
   ============================================================ */

/* --- 1. Токены -------------------------------------------- */
:root {
  --paper: #F3F1EB;          /* базовый фон секции, совпадает с чертёжным полем */
  --paper-2: #EAE7E0;        /* чередующаяся полоса */
  --panel: #FFFFFF;
  --ink: #15181B;            /* заголовки */
  --body: #4E545B;           /* основной текст, 6.9:1 на paper */
  --muted: #6B7278;          /* служебный текст, 4.9:1 */
  --line: #DAD7D0;
  --line-soft: #E6E3DC;

  --orange: #CE4409;         /* плашки, крупные числа, штрихи иконок */
  --orange-ink: #B23C06;     /* мелкий оранжевый текст, 5.3:1 */
  --orange-hot: #E85708;     /* акцент на тёмном фоне и декоративные линии */

  --dark: #12161A;
  --dark-2: #181D22;
  --dark-text: #E9EAEB;
  --dark-muted: #A9B0B7;
  --dark-line: rgba(255,255,255,.10);

  --ch: 18px;                /* срез угла карточки */
  --wrap: 1240px;
  --gut: 20px;

  --shadow: 0 1px 0 rgba(21,24,27,.04), 0 22px 44px -30px rgba(21,24,27,.35);
  --shadow-lift: 0 1px 0 rgba(21,24,27,.05), 0 30px 60px -30px rgba(21,24,27,.42);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--orange-ink); text-decoration: none; }
h1, h2, h3, h4 { color: var(--ink); margin: 0; font-weight: 800; letter-spacing: -.02em; }
p { margin: 0; }
/* браузерный отступ figure 1em 40px сжимал снимок первого экрана на мобильном */
figure { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }
[id] { scroll-margin-top: 84px; }

.sv-wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }
.sv-skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 10px 16px; font-size: 14px;
}
.sv-skip:focus { left: 8px; top: 8px; }

/* --- 2. Примитивы ----------------------------------------- */

/* срезанный угол: слева сверху и справа снизу */
.sv-chamfer {
  clip-path: polygon(var(--ch) 0, 100% 0, 100% calc(100% - var(--ch)), calc(100% - var(--ch)) 100%, 0 100%, 0 var(--ch));
}

/* белая инженерная панель */
.sv-panel {
  position: relative;
  background: var(--panel);
  box-shadow: var(--shadow);
  clip-path: polygon(var(--ch) 0, 100% 0, 100% calc(100% - var(--ch)), calc(100% - var(--ch)) 100%, 0 100%, 0 var(--ch));
}

/* технический ярлык секции: ⌐ SC-0X · НАЗВАНИЕ + тонкая линия */
.sv-label {
  display: flex; align-items: center; gap: 10px;
  font-size: 10.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--orange-ink);
  margin: 0 0 18px;
}
.sv-label::before {
  content: ""; flex: none; width: 14px; height: 8px;
  border-left: 2px solid var(--orange); border-top: 2px solid var(--orange);
}
.sv-label { flex-wrap: wrap; }
.sv-label b { font-weight: 700; white-space: nowrap; }
.sv-label span { color: var(--muted); }
.sv-label--line::after {
  content: ""; flex: 1 1 auto; height: 1px; background: var(--line); min-width: 24px;
}
.sv-label--dark { color: var(--orange-hot); }
.sv-label--dark::before { border-color: var(--orange-hot); }
.sv-label--dark span { color: var(--dark-muted); }
.sv-label--dark.sv-label--line::after { background: var(--dark-line); }

h1 {
  font-size: clamp(31px, 7.6vw, 51px);
  line-height: 1.08;
  letter-spacing: -.03em;
  text-wrap: balance;
}
h1 mark { background: none; color: var(--orange); }
.sv-h2 {
  font-size: clamp(23px, 5.6vw, 36px);
  line-height: 1.12;
  text-wrap: balance;
  text-transform: uppercase;
  letter-spacing: -.005em;
}
.sv-h3 { font-size: 19px; line-height: 1.25; }
h1 + .sv-lede, .sv-h2 + .sv-lede, .sv-h2 + .sv-launch__lede { margin-top: 14px; }
.sv-lede { font-size: 16.5px; line-height: 1.6; color: var(--body); }
.sv-lede a { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

/* кнопки — строгие прямоугольники, без радиуса */
.sv-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 12px 24px;
  font-size: 15.5px; font-weight: 700; line-height: 1.2;
  border: 1px solid transparent; cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.sv-btn svg { flex: none; width: 18px; height: 10px; }
.sv-btn--fill { background: var(--orange); color: #fff; }
.sv-btn--fill:hover { background: #B23C06; }
.sv-btn--ghost { background: transparent; color: var(--orange-ink); border-color: var(--orange); }
.sv-btn--ghost:hover { background: rgba(206,68,9,.07); }
.sv-btn--ink { background: transparent; color: var(--ink); border-color: var(--line); }
.sv-btn--ink:hover { border-color: var(--ink); }
.sv-btn--onDark { background: transparent; color: var(--dark-text); border-color: var(--dark-line); }
.sv-btn--onDark:hover { border-color: var(--orange-hot); color: #fff; }
.sv-btn--block { width: 100%; }

/* текстовая ссылка со стрелкой */
.sv-arrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 14.5px; font-weight: 700; color: var(--orange-ink);
}
.sv-arrow svg { width: 20px; height: 10px; }
.sv-arrow:hover { color: var(--ink); }
.sv-arrow--dark { color: var(--orange-hot); }
.sv-arrow--dark:hover { color: #fff; }

/* иконка в шестиугольнике: рамка — currentColor, глиф — --ic-hot */
.sv-ic { width: 46px; height: 46px; flex: none; color: var(--ink); --ic-hot: var(--orange); }
.sv-ic--sm { width: 38px; height: 38px; }

/* кикер внутри h1 */
h1 em {
  display: block; margin-bottom: 14px;
  font: 700 12px/1 Inter, sans-serif; font-style: normal;
  letter-spacing: .2em; text-transform: uppercase; color: var(--ink);
}

/* секции */
.sv-sect { padding-block: clamp(52px, 9vw, 104px); position: relative; }
.sv-sect > .sv-wrap { position: relative; z-index: 1; }

/* приём 1: точечная перфорация — ограниченная вставка в угол, не фон страницы */
#formats::before, #services::before, .sv-sect--dots-r::before, .sv-launch__panel::after {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  background-image: radial-gradient(currentColor 1.15px, transparent 1.3px);
  background-size: 17px 17px;
}
#formats { background: linear-gradient(180deg, var(--paper) 0, var(--paper-2) 200px); }
#formats::before {
  color: rgba(21,24,27,.24); right: 0; top: 0; width: 340px; height: 320px;
  -webkit-mask-image: radial-gradient(125% 125% at 100% 0, #000 26%, transparent 72%);
          mask-image: radial-gradient(125% 125% at 100% 0, #000 26%, transparent 72%);
}
#services::before {
  color: rgba(21,24,27,.2); left: 0; bottom: 0; width: 320px; height: 280px;
  -webkit-mask-image: radial-gradient(125% 125% at 0 100%, #000 24%, transparent 70%);
          mask-image: radial-gradient(125% 125% at 0 100%, #000 24%, transparent 70%);
}
.sv-launch__panel::after {
  color: rgba(255,255,255,.17); left: 0; bottom: 0; width: 340px; height: 280px; z-index: 1;
  -webkit-mask-image: radial-gradient(125% 125% at 0 100%, #000 22%, transparent 68%);
          mask-image: radial-gradient(125% 125% at 0 100%, #000 22%, transparent 68%);
}

.sv-sect--dots-r { overflow: clip; }
.sv-sect--dots-r::before {
  color: rgba(21,24,27,.18); right: 0; top: 30px; width: 300px; height: 300px;
  -webkit-mask-image: radial-gradient(125% 125% at 100% 0, #000 24%, transparent 70%);
          mask-image: radial-gradient(125% 125% at 100% 0, #000 24%, transparent 70%);
}

/* приём 4: оранжевая трасса-«электричество» через всю страницу */
main { position: relative; }
main::before {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  left: 14px; top: 620px; bottom: 120px; width: 1px;
  background: repeating-linear-gradient(180deg, rgba(232,87,8,.30) 0 7px, transparent 7px 16px);
}
#formats::after, #services::after, #principles::after, #inside::before, #consultation::before {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  width: 340px; height: 430px;
  background-repeat: no-repeat; background-size: contain;
}
#formats::after   { background-image: url("../images/trace-b.svg"); right: 12px; top: 30px; }
#services::after  { background-image: url("../images/trace-a.svg"); left: 0; top: 40px; }
#principles::after{ background-image: url("../images/trace-b.svg"); right: 8px; bottom: 20px; }
#inside::before   { background-image: url("../images/trace-a.svg"); left: 6px; top: 60px; }
#consultation::before { background-image: url("../images/trace-b.svg"); right: 10px; top: 40px; }
#principles, #consultation, #formats { overflow: clip; }

/* на узком экране трасса мешала бы тексту — остаётся только вертикальный рельс */
@media (max-width: 999px) {
  #formats::after, #services::after, #principles::after,
  #inside::before, #consultation::before { display: none; }
  main::before { left: 6px; top: 520px; bottom: 80px; }
}

/* приём 2: чертёжная линейка по верхнему краю секции */
#principles::before, .sv-cta::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 9px; z-index: 0; pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 13px);
  -webkit-mask-image: linear-gradient(90deg, #000 0 58%, transparent 100%);
          mask-image: linear-gradient(90deg, #000 0 58%, transparent 100%);
}

/* приём 3: редкий чертёж-трасса (SVG до 2 КБ, три позиции на страницу) */
#inside::after, .sv-cta::after, .sv-sect--dots-r::after {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  width: 420px; height: 420px;
  background: url("../images/technical-field.svg") no-repeat center / contain;
}
#services, #inside, .sv-cta { overflow: clip; }
#inside::after { left: -80px; bottom: 20px; }
.sv-cta::after { left: -70px; top: 30px; width: 340px; height: 340px; }
.sv-sect--dots-r::after { left: -40px; bottom: -30px; width: 360px; height: 360px; }
.sv-sect--paper { background: var(--paper-2); }
.sv-sect--white { background: var(--panel); }
.sv-head { max-width: 620px; }
.sv-head .sv-lede { margin-top: 14px; }

/* появление */
.sv-r { opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s cubic-bezier(.2,.7,.3,1); }
.sv-r.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .sv-r { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* --- 3. Навигация ----------------------------------------- */
.sv-nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(243,241,235,.97);
  border-bottom: 1px solid var(--line);
}
.sv-nav__in {
  display: flex; align-items: center; gap: 16px;
  min-height: 62px;
}
.sv-nav__logo { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.sv-nav__logo img { width: 116px; height: auto; }
.sv-nav__links { display: none; }
.sv-nav__cta { display: none; }
.sv-burger {
  width: 44px; height: 44px; flex: none;
  display: grid; place-content: center; gap: 5px;
  background: none; border: 1px solid var(--line); cursor: pointer;
}
.sv-burger span { display: block; width: 20px; height: 2px; background: var(--ink); }
.sv-menu {
  display: none;
  border-bottom: 1px solid var(--line); background: var(--panel);
}
.sv-menu.is-open { display: block; position: sticky; top: 62px; z-index: 59; }
.sv-menu a {
  display: block; padding: 14px 0; color: var(--ink); font-weight: 600; font-size: 15.5px;
  border-bottom: 1px solid var(--line-soft);
}
.sv-menu a:last-child { border-bottom: 0; color: var(--orange-ink); }

/* --- 4. Hero ---------------------------------------------- */
.sv-hero { position: relative; padding-block: 30px clamp(34px, 6vw, 60px); overflow: clip; }
.sv-hero__bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("../images/field-hero-m.webp");
  background-repeat: no-repeat;
  background-position: top center;
  background-size: 100% auto;
}
/* точки подхватывают композицию там, где чертёж закончился */
.sv-hero__bg::before {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 300px;
  color: rgba(21,24,27,.16);
  background-image: radial-gradient(currentColor 1.1px, transparent 1.25px);
  background-size: 17px 17px;
  -webkit-mask-image: linear-gradient(0deg, #000 0 26%, transparent 84%);
          mask-image: linear-gradient(0deg, #000 0 26%, transparent 84%);
}
.sv-hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(243,241,235,.62) 0%, rgba(243,241,235,.86) 34%, var(--paper) 62%);
}
.sv-hero .sv-wrap { position: relative; z-index: 1; }
.sv-hero__copy .sv-lede { margin-top: 16px; max-width: 34em; }
.sv-hero__acts { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.sv-hero__note { margin-top: 16px; }

.sv-frame {
  position: relative; margin-top: 26px;
  padding: 8px; background: rgba(255,255,255,.7);
  box-shadow: var(--shadow);
  clip-path: polygon(var(--ch) 0, 100% 0, 100% calc(100% - var(--ch)), calc(100% - var(--ch)) 100%, 0 100%, 0 var(--ch));
}
.sv-frame img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: 62% 30%;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}
/* бейдж на фото: полупрозрачное стекло с оранжевым узлом */
.sv-frame figcaption {
  position: absolute; right: 18px; bottom: 18px; max-width: 72%;
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px;
  background: rgba(18,22,26,.85);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.86);
  font-size: 12.5px; line-height: 1.3;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.sv-frame figcaption b { display: block; color: #fff; font-size: 13px; }
.sv-frame figcaption svg { width: 18px; height: 18px; flex: none; color: var(--orange-hot) !important; }
.sv-frame figcaption::after {
  content: ""; position: absolute; right: -4px; top: 50%; width: 7px; height: 7px;
  transform: translateY(-50%); border-radius: 50%; background: var(--orange-hot);
  box-shadow: 0 0 0 3px rgba(232,87,8,.22);
}

/* полоса из четырёх пунктов */
.sv-strip { margin-top: 22px; background: var(--panel); box-shadow: var(--shadow);
  clip-path: polygon(var(--ch) 0, 100% 0, 100% calc(100% - var(--ch)), calc(100% - var(--ch)) 100%, 0 100%, 0 var(--ch)); }
.sv-strip__cell { position: relative; display: grid; grid-template-columns: 40px 1fr; column-gap: 14px; padding: 18px 20px; border-bottom: 1px solid var(--line-soft); }
.sv-strip__cell:last-child { border-bottom: 0; }
.sv-strip__num { position: absolute; right: 18px; top: 16px; font-size: 12px; font-weight: 800; color: var(--orange); letter-spacing: .06em; }
.sv-strip__cell .sv-ic { grid-row: 1 / span 2; width: 38px; height: 38px; margin-top: 2px; }
.sv-strip__cell .sv-strip__txt { grid-column: 2; grid-row: 1 / span 2; padding-right: 26px; }
.sv-strip__txt { font-size: 14.5px; line-height: 1.5; }
.sv-strip__txt b { display: block; color: var(--ink); font-size: 15px; font-weight: 700; }

/* фон карточки: перфорация в углу + водяной знак её же иконки.
   Слот `--card-art` готов под иллюстрацию: задать url — она встанет справа. */
.sv-fcard, .sv-scard, .sv-dcard__in { overflow: hidden; }
.sv-fcard::before, .sv-scard::before, .sv-dcard__in::before {
  content: ""; position: absolute; right: 0; bottom: 0; z-index: 0; pointer-events: none;
  width: 210px; height: 190px;
  background-image: radial-gradient(currentColor 1.1px, transparent 1.25px);
  background-size: 16px 16px;
  color: rgba(21,24,27,.13);
  -webkit-mask-image: radial-gradient(120% 120% at 100% 100%, #000 20%, transparent 68%);
          mask-image: radial-gradient(120% 120% at 100% 100%, #000 20%, transparent 68%);
}
.sv-dcard__in::before { color: rgba(255,255,255,.16); }
.sv-dcard__in { position: relative; }
.sv-card__wm {
  position: absolute; right: -16px; bottom: -18px; z-index: 0; pointer-events: none;
  width: 168px; height: 168px; color: rgba(21,24,27,.5); opacity: .1;
  --ic-hot: var(--orange);
}
.sv-card__wm--dark { color: rgba(255,255,255,.7); opacity: .13; --ic-hot: var(--orange-hot); }
.sv-fcard > *:not(.sv-card__wm):not(.sv-card__art),
.sv-scard > *:not(.sv-card__wm):not(.sv-card__art),
.sv-dcard__in > *:not(.sv-card__wm):not(.sv-card__art) { position: relative; z-index: 1; }
/* иллюстрация карточки: справа, растворяется влево под текст */
.sv-card__art {
  position: absolute; right: 0; bottom: 0; z-index: 0; pointer-events: none;
  width: auto; height: 76%; max-width: 58%;
  object-fit: contain; object-position: right bottom;
  opacity: .62;
  -webkit-mask-image: linear-gradient(270deg, #000 0 52%, transparent 100%);
          mask-image: linear-gradient(270deg, #000 0 52%, transparent 100%);
}
.sv-dcard__in .sv-card__art {
  opacity: .62; height: 54%; max-width: 76%; object-fit: cover; object-position: right bottom;
  -webkit-mask-image: radial-gradient(145% 145% at 100% 100%, #000 42%, transparent 86%);
          mask-image: radial-gradient(145% 145% at 100% 100%, #000 42%, transparent 86%);
}
.sv-fcard:has(.sv-card__art)::before, .sv-scard:has(.sv-card__art)::before,
.sv-dcard__in:has(.sv-card__art)::before { display: none; }

/* --- 5. Форматы работы ------------------------------------ */
.sv-formats__cards { display: grid; grid-auto-rows: 1fr; gap: 12px; margin-top: 26px; }
.sv-fcard { padding: 22px 20px 24px; }
.sv-fcard__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sv-fcard__num { font-size: 26px; font-weight: 800; color: var(--orange); letter-spacing: -.02em; line-height: 1; }
.sv-fcard h3 { margin-top: 16px; font-size: 18px; }
.sv-fcard p { margin-top: 8px; font-size: 14.5px; }
.sv-fcard::after {
  content: ""; position: absolute; left: 0; top: 0; width: 46px; height: 3px; background: var(--orange);
}

/* --- 6. Запуск с нуля (тёмный блок) ----------------------- */
.sv-launch { padding-block: 0; background: var(--paper-2); }
.sv-launch__panel {
  position: relative; overflow: clip;
  background: var(--dark);
  padding: clamp(26px, 6vw, 56px) 0;
  clip-path: polygon(var(--ch) 0, 100% 0, 100% calc(100% - var(--ch)), calc(100% - var(--ch)) 100%, 0 100%, 0 var(--ch));
}
.sv-launch__grid { position: relative; z-index: 2; padding-inline: clamp(20px, 4vw, 44px); }
.sv-launch__panel::before {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: .5;
  background-image:
    linear-gradient(rgba(232,87,8,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,87,8,.09) 1px, transparent 1px);
  background-size: 92px 92px, 92px 92px;
}
.sv-launch h2 { color: #fff; }
.sv-launch__lede { margin-top: 14px; color: var(--dark-muted); font-size: 16px; line-height: 1.6; max-width: 40em; }
.sv-launch__visual { position: relative; margin-top: 26px; }
.sv-launch__visual img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: 50% 46%;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}
.sv-callouts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.sv-callout {
  padding: 9px 11px; background: rgba(18,22,26,.8);
  border: 1px solid rgba(232,87,8,.5);
  font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--dark-text); line-height: 1.35;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.sv-launch__cards { display: grid; gap: 12px; margin-top: 22px; }
.sv-dcard {
  padding: 1px; background: rgba(232,87,8,.5);
  clip-path: polygon(var(--ch) 0, 100% 0, 100% calc(100% - var(--ch)), calc(100% - var(--ch)) 100%, 0 100%, 0 var(--ch));
}
.sv-dcard__in {
  height: 100%; display: flex; flex-direction: column; gap: 10px;
  padding: 22px 20px; background: var(--dark-2);
  clip-path: polygon(var(--ch) 0, 100% 0, 100% calc(100% - var(--ch)), calc(100% - var(--ch)) 100%, 0 100%, 0 var(--ch));
}
.sv-dcard__kicker { font-size: 10.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--orange-hot); }
.sv-dcard h3 { color: #fff; font-size: 19px; }
.sv-dcard p { color: var(--dark-muted); font-size: 14.5px; }
.sv-dcard .sv-arrow { margin-top: auto; padding-top: 4px; }
.sv-dcard .sv-ic { color: #fff; --ic-hot: var(--orange-hot); }

/* --- 7. Услуги -------------------------------------------- */
.sv-services { display: grid; gap: 12px; margin-top: 26px; }
.sv-scard { display: flex; flex-direction: column; padding: 24px 20px; }
.sv-scard__idx { font-size: 10.5px; font-weight: 700; letter-spacing: .16em; color: var(--orange-ink); }
.sv-scard h3 { margin-top: 14px; font-size: 21px; }
.sv-scard h3 span { display: block; font-weight: 700; color: var(--muted); font-size: 16px; letter-spacing: 0; }
.sv-scard__price { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.sv-scard__amount { display: block; font-size: 25px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.sv-scard__note { display: block; margin-top: 4px; font-size: 12.5px; color: var(--muted); }
.sv-scard__intro { margin-top: 16px; font-size: 14.5px; font-weight: 700; color: var(--ink); }
.sv-list { margin-top: 10px; display: grid; gap: 8px; }
.sv-list li { position: relative; padding-left: 18px; font-size: 14.5px; line-height: 1.5; }
.sv-list li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 9px; height: 1px; background: var(--orange);
}
.sv-list b { color: var(--ink); }
.sv-scard .sv-btn { margin-top: 20px; }
.sv-scard__foot { margin-top: auto; padding-top: 20px; }
.sv-scard .sv-btn { margin-top: 0; }

/* --- 8. На чём строится работа ---------------------------- */
.sv-steps {
  margin-top: 26px;
  background: rgba(255,255,255,.75);
  box-shadow: inset 0 0 0 1px rgba(21,24,27,.10), 0 18px 40px -34px rgba(21,24,27,.4);
}
.sv-steps__n { background: rgba(21,24,27,.05); }
.sv-steps__row {
  display: grid; grid-template-columns: 46px 1fr; column-gap: 16px; align-items: start;
  padding: 18px 20px; border-bottom: 1px solid var(--line-soft);
}
.sv-steps__row:last-child { border-bottom: 0; }
.sv-steps__n {
  display: grid; place-content: center; width: 46px; height: 46px;
  background: var(--paper-2); color: var(--orange); font-weight: 800; font-size: 15px;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.sv-steps__t { font-size: 16px; line-height: 1.45; color: var(--ink); font-weight: 600; align-self: center; }

/* --- 9. Сервис изнутри ------------------------------------ */
.sv-strip-photos {
  margin-top: 24px; display: grid; grid-auto-flow: column; grid-auto-columns: 76%;
  gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 8px; scrollbar-width: thin;
}
.sv-strip-photos figure { margin: 0; scroll-snap-align: start; }
.sv-strip-photos img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--paper-2);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

/* --- 10. Консультация ------------------------------------- */
.sv-consult {
  padding: 26px 20px 28px;
  background-image:
    linear-gradient(180deg, #fff 0 46%, rgba(255,255,255,.9) 68%, rgba(255,255,255,.78) 100%),
    url("../images/field-hero-m.webp");
  background-size: auto, cover;
  background-position: center, center bottom;
  background-repeat: no-repeat;
}
.sv-consult__items { display: grid; gap: 14px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.sv-consult__item { display: grid; grid-template-columns: 38px 1fr; column-gap: 14px; align-items: center; font-size: 14.5px; line-height: 1.45; color: var(--ink); }
.sv-consult .sv-btn { margin-top: 22px; }

/* --- 11. FAQ + Обо мне ------------------------------------ */
.sv-bottom { display: grid; gap: 32px; }
.sv-faq { display: grid; gap: 10px; margin-top: 22px; }
.sv-faq__item { background: var(--panel); box-shadow: var(--shadow);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px); }
.sv-faq__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 17px 18px; background: none; border: 0; cursor: pointer; text-align: left;
  font-size: 15.5px; font-weight: 700; color: var(--ink); line-height: 1.35;
}
.sv-faq__sign { position: relative; flex: none; width: 16px; height: 16px; }
.sv-faq__sign::before, .sv-faq__sign::after {
  content: ""; position: absolute; background: var(--orange); transition: transform .2s ease;
}
.sv-faq__sign::before { left: 0; top: 7px; width: 16px; height: 2px; }
.sv-faq__sign::after { left: 7px; top: 0; width: 2px; height: 16px; }
.sv-faq__item.is-open .sv-faq__sign::after { transform: scaleY(0); }
.sv-faq__a { display: none; padding: 0 18px 18px; font-size: 15px; }
.sv-faq__item.is-open .sv-faq__a { display: block; }

.sv-about__text { display: grid; gap: 12px; margin-top: 18px; font-size: 15.5px; }
.sv-about__photo { margin: 22px 0 0; background: var(--panel); padding: 8px; box-shadow: var(--shadow);
  clip-path: polygon(var(--ch) 0, 100% 0, 100% calc(100% - var(--ch)), calc(100% - var(--ch)) 100%, 0 100%, 0 var(--ch)); }
/* портрет не обрезаем: только contain */
.sv-about__photo img { width: 100%; aspect-ratio: 649 / 600; object-fit: contain; background: var(--paper-2); }

/* --- 12. Заявка ------------------------------------------- */
.sv-cta { background: var(--paper-2); }
.sv-cta__panel { padding: 26px 20px 28px; }
.sv-cta__panel .sv-lede { margin-top: 12px; max-width: 40em; }
.sv-form { display: grid; gap: 10px; margin-top: 22px; }
.sv-form input {
  width: 100%; min-height: 50px; padding: 12px 14px;
  background: var(--paper); border: 1px solid var(--line); color: var(--ink);
  font: inherit; font-size: 15.5px;
}
.sv-form input::placeholder { color: var(--muted); }
.sv-form input:focus-visible { border-color: var(--orange); outline-offset: 0; }
.sv-form__status { margin-top: 12px; font-size: 14px; color: var(--muted); min-height: 20px; }
.sv-cta__side { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.sv-cta__side .sv-arrow svg:first-child { width: 20px; height: 20px; }

/* --- 13. Подвал ------------------------------------------- */
.sv-foot { border-top: 1px solid var(--line); padding-block: 26px 34px; background: var(--paper); }
.sv-foot__in { display: grid; gap: 26px; }
.sv-foot__brand { display: grid; gap: 8px; }
.sv-foot img { width: 104px; }
.sv-foot p { font-size: 13px; color: var(--muted); }
.sv-foot__menu { display: grid; gap: 10px; }
.sv-foot__menu a { font-size: 14.5px; font-weight: 600; color: var(--ink); }
.sv-foot__menu a:hover { color: var(--orange-ink); }
.sv-foot__links { display: flex; gap: 10px; }
.sv-foot__links a {
  width: 40px; height: 40px; display: grid; place-content: center;
  border: 1px solid var(--line); color: var(--ink);
}
.sv-foot__links a:hover { border-color: var(--orange); color: var(--orange-ink); }
.sv-foot__links svg { width: 19px; height: 19px; }

/* --- 14. Плавающий виджет: приводим к системе -------------- */
#sv-chat-btn {
  border-radius: 0 !important; width: 52px !important; height: 52px !important;
  background: var(--orange) !important; box-shadow: none !important;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
#sv-chat-btn:hover { transform: none !important; }
#sv-chat-wrap { bottom: 18px !important; right: 18px !important; }
#sv-chat-popup { border-radius: 0 !important; }

/* ============================================================
   ПЛАНШЕТ  ≥ 700px
   ============================================================ */
@media (min-width: 700px) {
  :root { --gut: 28px; --ch: 20px; }
  .sv-strip { display: grid; grid-template-columns: 1fr 1fr; }
  .sv-strip__cell { border-bottom: 1px solid var(--line-soft); border-right: 1px solid var(--line-soft); }
  .sv-strip__cell:nth-child(2n) { border-right: 0; }
  .sv-strip__cell:nth-last-child(-n+2) { border-bottom: 0; }
  .sv-formats__cards, .sv-launch__cards, .sv-services { grid-template-columns: 1fr 1fr; gap: 14px; }
  .sv-steps { display: grid; grid-template-columns: 1fr 1fr; }
  .sv-steps__row { border-right: 1px solid var(--line-soft); }
  .sv-steps__row:nth-child(2n) { border-right: 0; }
  .sv-steps__row:nth-last-child(-n+2) { border-bottom: 0; }
  .sv-strip-photos { grid-auto-columns: 44%; }
  .sv-consult, .sv-cta__panel { padding: 34px 32px 36px; }
  .sv-consult__items { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .sv-consult__item { grid-template-columns: 1fr; row-gap: 12px; align-items: start; }
  .sv-form { grid-template-columns: 1fr 1fr; }
  .sv-form input:nth-last-of-type(1):nth-of-type(odd) { grid-column: span 2; }
  .sv-form button { grid-column: span 2; }
  .sv-callouts { grid-template-columns: repeat(4, 1fr); }
  .sv-foot__in { grid-template-columns: minmax(0, 1fr) auto auto; align-items: start; gap: 40px; }
  .sv-foot__menu { grid-template-columns: 1fr 1fr; gap: 10px 32px; }
}

/* ============================================================
   ДЕСКТОП  ≥ 1000px — отдельная композиция
   ============================================================ */
@media (min-width: 1000px) {
  :root { --gut: 32px; --ch: 22px; }
  body { font-size: 16.5px; }

  /* навигация */
  .sv-nav__in { min-height: 74px; gap: 26px; }
  .sv-nav__logo img { width: 132px; }
  .sv-nav__links { display: flex; align-items: center; gap: 18px; }
  .sv-nav__links a { font-size: 13.5px; font-weight: 600; color: var(--ink); white-space: nowrap; }
  .sv-nav__links a:hover { color: var(--orange-ink); }
  .sv-nav__cta { display: inline-flex; min-height: 44px; padding: 10px 20px; font-size: 14.5px; }
  .sv-burger, .sv-menu { display: none !important; }

  /* hero: текст — главный, фото поддерживает */
  .sv-hero { padding-block: 46px 0; }
  .sv-hero__bg { background-image: url("../images/field-hero-d.webp"); background-size: cover; background-position: right center; }
  .sv-hero__bg::after {
    background:
      linear-gradient(90deg, var(--paper) 0%, rgba(243,241,235,.72) 26%, rgba(243,241,235,.12) 52%, rgba(243,241,235,0) 70%),
      linear-gradient(180deg, rgba(243,241,235,.5) 0%, rgba(243,241,235,0) 30%, rgba(243,241,235,.55) 78%, var(--paper) 100%);
  }
  .sv-hero__grid {
    display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: 40px; align-items: center;
  }
  .sv-hero__acts { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
  .sv-hero__note { margin-top: 22px; padding-left: 14px; border-left: 2px solid var(--orange); font-size: 13.5px; color: var(--muted); max-width: 24em; }
  .sv-frame { margin-top: 0; padding: 10px; }
  .sv-frame img { aspect-ratio: 1 / 1; object-position: 60% 30%; }
  .sv-frame figcaption { right: 22px; bottom: 22px; max-width: 62%; padding: 13px 16px; }
  .sv-strip { margin-top: 34px; grid-template-columns: repeat(4, 1fr); }
  .sv-strip__cell { border-bottom: 0 !important; padding: 22px; }
  .sv-strip__cell:nth-child(n) { border-right: 1px solid var(--line-soft); }
  .sv-strip__cell:last-child { border-right: 0; }

  /* форматы: заголовок слева, четыре карточки справа */
  .sv-formats { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 48px; align-items: start; }
  /* чертёж разобранного устройства: иллюстрация блока, не фон страницы */
  .sv-formats__head::after {
    content: ""; display: block; margin-top: 26px; height: 300px;
    background: url("../images/exploded-phone.webp") no-repeat left top / auto 300px;
  }
  .sv-formats__cards { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 1fr; gap: 16px; margin-top: 0; }
  .sv-fcard { padding: 26px 26px 28px; }
  .sv-fcard__num { font-size: 30px; }
  .sv-fcard .sv-ic { width: 50px; height: 50px; }
  .sv-fcard h3 { margin-top: 16px; font-size: 21px; }
  .sv-fcard p { margin-top: 8px; font-size: 15px; max-width: 32em; }

  /* запуск: копия слева, компактный рендер справа с подписями */
  .sv-launch__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr); gap: 40px; align-items: stretch; }
  .sv-launch__cards { grid-template-columns: 1fr 1fr; margin-top: 28px; }
  .sv-launch__visual { margin-top: 0; display: flex; }
  .sv-launch__visual img { aspect-ratio: auto; height: 100%; width: 100%; object-fit: cover; object-position: 52% 50%; }
  .sv-callouts { display: block; margin: 0; }
  .sv-callout { position: absolute; width: max-content; max-width: 190px; }
  .sv-callout--1 { left: -12px; top: 32%; }
  .sv-callout--2 { right: 2%; top: 8%; }
  .sv-callout--3 { right: -14px; top: 54%; }
  .sv-callout--4 { left: 24%; bottom: 4%; }

  /* услуги */
  .sv-services { grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
  .sv-scard { padding: 30px 26px 30px; }

  /* принципы: 4 колонки с тонкими линиями */
  .sv-principles { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 48px; align-items: center; }
  .sv-steps { margin-top: 0; grid-template-columns: 1fr 1fr; }
  .sv-steps__row { padding: 30px 26px; grid-template-columns: 54px 1fr; column-gap: 18px; border-bottom: 1px solid var(--line-soft); }
  .sv-steps__n { width: 54px; height: 54px; font-size: 16px; }
  .sv-steps__t { font-size: 17px; }
  .sv-steps__row:nth-last-child(-n+2) { border-bottom: 0; }

  /* фотополоса: 4 × 2 без обрезки по краю */
  .sv-strip-photos { grid-auto-flow: row; grid-template-columns: repeat(4, 1fr); grid-auto-columns: auto; gap: 14px; overflow: visible; margin-top: 30px; padding-bottom: 0; }

  /* консультация */
  .sv-consult {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .92fr); gap: 44px;
    padding: 44px 44px 46px; align-items: stretch;
    background-image:
      linear-gradient(90deg, #fff 0 38%, rgba(255,255,255,.9) 58%, rgba(255,255,255,.74) 100%),
      url("../images/field-hero-d.webp");
    background-size: auto, cover;
    background-position: center, right center;
  }
  .sv-consult__copy { display: flex; flex-direction: column; }
  .sv-consult__copy .sv-btn { margin-top: auto; align-self: flex-start; }
  .sv-consult__items {
    margin-top: 0; padding-top: 0; border-top: 0;
    border-left: 1px solid var(--line); padding-left: 32px;
    grid-template-columns: 1fr; align-content: center; gap: 26px;
  }
  .sv-consult__item { grid-template-columns: 38px 1fr; align-items: center; font-size: 15.5px; }

  /* FAQ + обо мне в трёх колонках */
  .sv-bottom { grid-template-columns: minmax(0, .92fr) minmax(0, 1fr) minmax(0, .95fr); gap: 40px; align-items: start; }
  .sv-about__photo { margin-top: 0; max-width: 320px; margin-left: auto; }
  .sv-about h2, .sv-faq-col h2 { font-size: clamp(23px, 2.1vw, 30px); }

  /* заявка */
  .sv-cta__panel { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 44px; padding: 44px 44px 46px; align-items: start; }
  .sv-form { margin-top: 0; grid-template-columns: 1fr 1fr; }
  .sv-form button { grid-column: span 2; justify-self: start; min-width: 220px; }
  .sv-cta__side { margin-top: 0; padding-top: 20px; }
}

/* ============================================================
   ШИРОКИЙ ДЕСКТОП ≥ 1320px
   ============================================================ */
@media (min-width: 1320px) {
  .sv-nav__links { gap: 24px; }
  .sv-nav__links a { font-size: 14.5px; }
  .sv-hero__grid { gap: 56px; }
  .sv-fcard { padding: 30px 30px 32px; }
  .sv-formats__head::after { height: 320px; background-size: auto 320px; }
  .sv-scard { padding: 34px 30px; }
}

/* иконки соцсетей в шапке (19.08.2026) */
.sv-nav__social{display:flex;align-items:center;gap:10px;margin-left:auto;margin-right:14px}
.sv-nav__social a{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;
  border-radius:50%;background:#EFEDE7;color:#4E545B;transition:background .18s,color .18s}
.sv-nav__social a:hover{background:#CE4409;color:#fff}
.sv-nav__social svg{width:18px;height:18px}
@media (max-width:860px){.sv-nav__social{display:none}}

/* FOOTER-FIX-20260831 — колонка контактов больше не схлопывается.
   Было: grid-template-columns: minmax(0,1fr) auto auto — первая колонка ужималась
   до 122 px, и почта переносилась посреди слова. */
@media (min-width: 700px) {
  .sv-foot__in { grid-template-columns: minmax(280px, 1.2fr) minmax(0, auto) minmax(0, auto); }
  .sv-foot__brand { min-width: 280px; }
  .sv-foot__menu a { white-space: normal; }
}
@media (min-width: 1000px) {
  .sv-foot__in { grid-template-columns: minmax(320px, 1.1fr) minmax(0, auto) minmax(0, auto) auto; }
}
.rb-foot-contacts { overflow-wrap: normal; word-break: normal; }
.rb-foot-contacts a { white-space: nowrap; }