/* ============ ТОКЕНЫ ============ */
:root {
  /* палитра */
  --c-paper: #EEF1EF;
  --c-surface: #FFFFFF;
  --c-ink: #16201C;
  --c-muted: #56625C;
  --c-line: #D3DAD6;
  --c-green: #1F5C4A;       /* контейнерный зелёный */
  --c-green-deep: #133D31;
  --c-green-soft: #DDE8E3;
  --c-stamp: #C8362E;       /* таможенный штамп */
  --c-marker: #F2C230;      /* маркер заглушек */

  /* роли */
  --page-bg: var(--c-paper);
  --text: var(--c-ink);
  --text-muted: var(--c-muted);
  --border: var(--c-line);
  --section-tint-bg: var(--c-surface);
  --card-bg: var(--c-surface);
  --card-bg-on-tint: var(--c-paper);
  --btn-primary-bg: var(--c-green);
  --btn-primary-bg-hover: var(--c-green-deep);
  --btn-primary-text: #FFFFFF;
  --btn-ghost-border: var(--c-ink);
  --btn-ghost-text: var(--c-ink);
  --btn-light-bg: #FFFFFF;
  --btn-light-text: var(--c-green-deep);
  --focus-ring: var(--c-stamp);
  --estimate-bg: var(--c-surface);
  --estimate-ours-bg: var(--c-green-soft);
  --struck-color: var(--c-stamp);
  --stamp-color: var(--c-stamp);
  --compare-us-bg: var(--c-green);
  --compare-us-text: #FFFFFF;
  --step-num-color: var(--c-green);
  --timeline-a: #9DB8AD;
  --timeline-b: var(--c-green);
  --timeline-c: var(--c-green-deep);
  --timeline-d: #6E9384;
  --final-bg: var(--c-green-deep);
  --final-text: #FFFFFF;
  --hero-bg: var(--c-green-deep);
  --hero-overlay: linear-gradient(90deg, rgba(13, 38, 31, .94) 0%, rgba(13, 38, 31, .86) 45%, rgba(13, 38, 31, .55) 100%);
  --hero-text: #FFFFFF;
  --hero-muted: rgba(255, 255, 255, .82);
  --hero-line: rgba(255, 255, 255, .22);
  --btn-ghost-light-border: rgba(255, 255, 255, .8);
  --btn-ghost-light-text: #FFFFFF;
  --cta-bg: var(--estimate-ours-bg);
  --quiz-backdrop: rgba(13, 38, 31, .6);
  --todo-bg: #FFF6D6;
  --todo-border: var(--c-marker);

  /* шрифты */
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Golos Text", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* шкала */
  --fs-hero: clamp(2.1rem, 4.6vw, 3.6rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.3rem);
  --fs-h3: 1.15rem;
  --fs-body: 1.0625rem;
  --fs-small: 0.875rem;
  --fs-mono: 0.8125rem;

  --radius: 6px;
  --wrap: 1140px;
  --gutter: 16px;
  --section-pad: clamp(56px, 8vw, 104px);
}

/* ============ БАЗА ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--narrow { max-width: 780px; }

/* ============ ЗАГЛУШКИ ============ */
.todo {
  background: var(--todo-bg);
  outline: 1px dashed var(--todo-border);
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
}
.todo-block { background: var(--todo-bg); border: 1px dashed var(--todo-border); }

/* ============ КНОПКИ ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px;
  border-radius: var(--radius);
  font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  text-decoration: none;
  transition: background-color .15s ease;
}
.btn--small { min-height: 40px; padding: 0 16px; font-size: var(--fs-small); }
.btn--primary { background: var(--btn-primary-bg); color: var(--btn-primary-text); }
.btn--primary:hover { background: var(--btn-primary-bg-hover); }
.btn--ghost { border: 1.5px solid var(--btn-ghost-border); color: var(--btn-ghost-text); }
.btn--light { background: var(--btn-light-bg); color: var(--btn-light-text); }
.btn--ghost-light { border: 1.5px solid var(--btn-ghost-light-border); color: var(--btn-ghost-light-text); }

/* ============ ШАПКА ============ */
.topbar { border-bottom: 1px solid var(--border); background: var(--page-bg); position: sticky; top: 0; z-index: 10; }
.topbar__inner { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.topbar__nav { display: flex; gap: 22px; margin-left: auto; }
.topbar__link { text-decoration: none; font-size: var(--fs-small); color: var(--text-muted); }
.topbar__link:hover { color: var(--text); }
.topbar__tg { font-size: var(--fs-small); font-weight: 500; color: var(--c-green); text-decoration: none; }
.topbar__tg:hover { text-decoration: underline; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo__mark { width: 22px; height: 14px; background: var(--c-green); border-radius: 2px;
  background-image: repeating-linear-gradient(90deg, transparent 0 3px, rgba(255,255,255,.35) 3px 4px); }
.logo__name { font-family: var(--font-display); font-weight: 600; letter-spacing: .04em; }

/* ============ HERO ============ */
.hero {
  position: relative; isolation: isolate; overflow-x: clip;
  padding: clamp(56px, 8vw, 104px) 0 var(--section-pad);
  background: var(--hero-bg);
  color: var(--hero-text);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: var(--hero-overlay);
}
.hero__bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 60% 50%; }
.hero__inner { position: relative; }
.hero .eyebrow, .hero .hero__lead, .hero .facts__label { color: var(--hero-muted); }
.hero .facts { border-top-color: var(--hero-line); }

.hero__inner { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.eyebrow { font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 18px; }
.hero__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--fs-hero); line-height: 1.08;
  text-transform: uppercase; letter-spacing: .005em;
}
.hero__lead { margin-top: 20px; font-size: 1.2rem; color: var(--text-muted); max-width: 34em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero__note { margin-top: 12px; font-size: var(--fs-small); color: var(--hero-muted); }

.facts { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; border-top: 1px solid var(--border); padding-top: 20px; }
.facts__item { display: flex; flex-direction: column; gap: 4px; }
.facts__value { font-family: var(--font-display); font-weight: 500; font-size: 1.35rem; }
.facts__label { font-size: var(--fs-small); color: var(--text-muted); line-height: 1.35; }

/* сигнатура — смета */
.estimate {
  position: relative; margin: 0;
  background: var(--estimate-bg);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-family: var(--font-mono); font-size: var(--fs-mono);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.55);
  color: var(--text);
}
.estimate__head { display: flex; justify-content: space-between; gap: 12px; padding: 16px 20px; border-bottom: 1px dashed var(--border); }
.estimate__title { font-weight: 500; text-transform: uppercase; letter-spacing: .06em; }
.estimate__meta { color: var(--text-muted); }
.estimate__rows { margin: 0; padding: 8px 0; }
.estimate__row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 20px; }
.estimate__row dt, .estimate__row dd { margin: 0; }
.estimate__row dd { text-align: right; color: var(--text-muted); }
.estimate__note { color: var(--c-green); }
.estimate__row--ours { background: var(--estimate-ours-bg); font-weight: 500; }
.estimate__row--ours dd { color: var(--text); }
.estimate__row--struck dt { text-decoration: line-through; text-decoration-color: var(--struck-color); text-decoration-thickness: 2px; color: var(--text-muted); }
.estimate__row--struck dd { color: var(--struck-color); font-weight: 500; font-size: 1rem; }
.estimate__foot { padding: 14px 20px; border-top: 1px dashed var(--border); color: var(--text-muted); }
.stamp {
  position: absolute; right: -14px; top: -26px; background: var(--estimate-bg);
  border: 2.5px solid var(--stamp-color); color: var(--stamp-color);
  border-radius: 4px; padding: 6px 10px;
  font-family: var(--font-display); font-weight: 600; font-size: .85rem; line-height: 1.1;
  text-transform: uppercase; text-align: center; letter-spacing: .06em;
  transform: rotate(-9deg); opacity: .85;
  animation: stamp-in .5s cubic-bezier(.2,1.6,.4,1) .6s both;
}
@keyframes stamp-in { from { transform: rotate(-9deg) scale(1.8); opacity: 0; } to { transform: rotate(-9deg) scale(1); opacity: .85; } }
@media (prefers-reduced-motion: reduce) { .stamp { animation: none; } }

/* ============ СЕКЦИИ ============ */
.section { padding: var(--section-pad) 0; }
.section--tinted { background: var(--section-tint-bg); }
.section__title { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-h2); line-height: 1.15; text-transform: uppercase; max-width: 22em; }
.section__lead { margin-top: 16px; color: var(--text-muted); max-width: 40em; }

/* сравнение */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
.compare__col { padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); }
.compare__col--us { background: var(--compare-us-bg); color: var(--compare-us-text); border-color: transparent; }
.compare__title { font-size: var(--fs-h3); font-weight: 600; margin-bottom: 16px; }
.compare__list { margin: 0; padding-left: 1.1em; display: grid; gap: 10px; }
.compare__col--them .compare__list { color: var(--text-muted); }

/* карточки */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.card { padding: 24px; border-radius: var(--radius); background: var(--card-bg); border: 1px solid var(--border); }
.section--tinted .card { background: var(--card-bg-on-tint); }
.section--tinted .card.todo-block { background: var(--todo-bg); }
.card__title { font-size: var(--fs-h3); font-weight: 600; margin-bottom: 8px; }
.card__text { color: var(--text-muted); }

/* шаги */
.steps { list-style: none; margin: 40px 0 0; padding: 0; counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); column-gap: 32px; border-top: 1px solid var(--border); }
.steps__item { counter-increment: step; padding: 22px 20px 22px 0; border-bottom: 1px solid var(--border); }
.steps__item::before { content: counter(step); display: block; font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--step-num-color); margin-bottom: 8px; }
.steps__title { font-size: var(--fs-h3); font-weight: 600; margin-bottom: 6px; }
.steps__text { color: var(--text-muted); font-size: .98rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
.split__col { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); }
.split__col--us { border-color: var(--c-green); border-width: 2px; }
.split__title { font-family: var(--font-display); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 12px; }
.split__list { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; }

/* сроки */
.timeline { display: grid; grid-template-columns: 1.2fr 2.4fr .8fr .8fr; margin-top: 40px; border-radius: var(--radius); overflow: hidden; }
.timeline__seg { padding: 18px 14px; color: #FFFFFF; font-size: var(--fs-small); font-weight: 500; }
.timeline__seg--a { background: var(--timeline-a); color: var(--c-ink); }
.timeline__seg--b { background: var(--timeline-b); }
.timeline__seg--c { background: var(--timeline-c); }
.timeline__seg--d { background: var(--timeline-d); }
.timeline__caption { margin-top: 12px; font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--text-muted); }

/* цены */
.price { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 40px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card-bg); }
.price__item { display: flex; flex-direction: column; gap: 6px; padding: 24px; border-right: 1px solid var(--border); }
.price__item:last-child { border-right: 0; }
.price__label { font-size: var(--fs-small); color: var(--text-muted); }
.price__value { font-family: var(--font-display); font-weight: 600; font-size: 1.6rem; }
.price__hint { font-size: var(--fs-small); color: var(--text-muted); }
.price + .section__lead { margin-top: 24px; }

/* кейсы */
.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
.case__photo { width: calc(100% + 56px); height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; margin: -28px -28px 20px; }
.case { overflow: hidden; padding: 28px; border-radius: var(--radius); background: var(--card-bg); border: 1px solid var(--border); border-top: 4px solid var(--c-green); }
.case__product { font-weight: 600; font-size: 1.25rem; margin-bottom: 4px; }
.case__data { margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; font-family: var(--font-mono); font-size: var(--fs-mono); }
.case__data dt { color: var(--text-muted); }
.case__data dd { margin: 6px 0 0; font-family: var(--font-display); font-weight: 600; font-size: 1.6rem; color: var(--text); }
.case__docs { margin-bottom: 16px; font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--c-green); }

/* FAQ */
.faq { margin-top: 32px; border-top: 1px solid var(--border); }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__q { cursor: pointer; padding: 20px 32px 20px 0; font-weight: 600; list-style: none; position: relative; }
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after { content: "+"; position: absolute; right: 4px; top: 16px; font-family: var(--font-mono); font-size: 1.3rem; color: var(--c-green); }
.faq__item[open] .faq__q::after { content: "−"; }
.faq__a { padding: 0 0 20px; color: var(--text-muted); max-width: 40em; }

/* финал */
.final { background: var(--final-bg); color: var(--final-text); padding: var(--section-pad) 0; }
.final__inner { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.final__title { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-h2); text-transform: uppercase; line-height: 1.15; max-width: 20em; }
.final__lead { opacity: .85; margin-bottom: 8px; }

/* подвал */
.footer { padding: 28px 0; border-top: 1px solid var(--border); font-size: var(--fs-small); color: var(--text-muted); }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

/* юр. страница */
.legal { padding: 56px 0 80px; }
.legal__title { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-h2); text-transform: uppercase; margin-bottom: 24px; }
.legal h2 { font-size: var(--fs-h3); margin: 28px 0 8px; }
.legal p, .legal li { color: var(--text-muted); }
.legal__todo { padding: 16px; }

/* этапы: срок и сноска */
.steps__item { display: flex; flex-direction: column; }
.steps__text { flex: 1; }
.steps__time { margin-top: 10px; font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--step-num-color); font-weight: 500; }
.steps__note { margin-top: 14px; font-size: var(--fs-small); color: var(--text-muted); }

/* доп. услуга */
.addon { margin-top: 32px; padding: 20px 24px; border-left: 4px solid var(--c-green); background: var(--estimate-ours-bg); border-radius: 0 var(--radius) var(--radius) 0; }
.addon__title { font-size: var(--fs-h3); font-weight: 600; margin-bottom: 4px; }
.addon__text { color: var(--text-muted); }

/* сроки */
.durations { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.durations__item { display: flex; flex-direction: column; gap: 8px; padding: 24px; border-radius: var(--radius); background: var(--card-bg-on-tint); border: 1px solid var(--border); }
.durations__item:first-child { border-color: var(--c-green); border-width: 2px; }
.durations__label { font-size: var(--fs-small); color: var(--text-muted); }
.durations__value { font-family: var(--font-display); font-weight: 600; font-size: 2rem; text-transform: uppercase; }
.durations + .section__lead { margin-top: 24px; }

.cards--2 { grid-template-columns: repeat(2, 1fr); }

.final__contacts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; opacity: .85; }
.final__contacts a { color: inherit; }

/* документы */
.docs { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(20px, 3vw, 40px); align-items: center; margin: 40px 0 0; }
.docs img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); display: block; }
.docs__caption { display: flex; flex-direction: column; gap: 10px; }
.docs__caption b { font-size: var(--fs-h3); }
.docs__caption span { color: var(--text-muted); }

/* основатель */
.founder { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; }
.founder__photo { margin: 0; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; }
.founder__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 35% 30%; display: block; }
.founder__sign { margin-top: 24px; display: flex; flex-direction: column; gap: 2px; padding-left: 14px; border-left: 3px solid var(--c-green); }
.founder__sign span { font-size: var(--fs-small); color: var(--text-muted); }

/* галерея этапов */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 32px; }
.gallery__item { margin: 0; }
.gallery__item img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); display: block; }
.gallery__item figcaption { margin-top: 8px; font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--text-muted); }

/* проверка качества с фото */
.addon { display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: center; padding: 16px; }
.addon__photo { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; object-position: 78% 35%; border-radius: var(--radius); display: block; }

/* призывы к действию между блоками */
.cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; margin-top: 40px; padding: 20px 24px; border-radius: var(--radius); background: var(--cta-bg); }
.cta__text { font-weight: 500; max-width: 36em; }
.final__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* кнопка внизу экрана — только телефон */
.sticky-cta { display: none; }

/* квиз */
.quiz { width: min(560px, calc(100% - 32px)); max-height: calc(100% - 32px); padding: 0; border: 0; border-radius: 10px; background: var(--card-bg); color: var(--text); box-shadow: 0 30px 80px -20px rgba(0,0,0,.5); }
.quiz::backdrop { background: var(--quiz-backdrop); }
.quiz__form { padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.quiz__head { display: flex; justify-content: space-between; align-items: center; }
.quiz__progress { font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--text-muted); }
.quiz__close { width: 40px; height: 40px; border: 0; background: transparent; font-size: 28px; line-height: 1; color: var(--text-muted); cursor: pointer; border-radius: var(--radius); }
.quiz__close:hover { color: var(--text); }
.quiz__bar { height: 4px; border-radius: 2px; background: var(--border); overflow: hidden; }
.quiz__bar-fill { display: block; height: 100%; width: 0; background: var(--c-green); transition: width .25s ease; }
.quiz__title { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; text-transform: uppercase; }
.quiz__step { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.quiz__q { font-size: 1.2rem; font-weight: 600; padding: 0; margin-bottom: 4px; }
.quiz__hint { color: var(--text-muted); font-size: var(--fs-small); }
.quiz__opt { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 0 16px; border: 1.5px solid var(--border); border-radius: var(--radius); cursor: pointer; }
.quiz__opt:hover { border-color: var(--c-green); }
.quiz__opt input { width: 20px; height: 20px; accent-color: var(--c-green); flex: none; }
.quiz__opt:has(input:checked) { border-color: var(--c-green); background: var(--estimate-ours-bg); }
.quiz__field { display: flex; flex-direction: column; gap: 6px; }
.quiz__label { font-size: var(--fs-small); color: var(--text-muted); }
.quiz__input { min-height: 48px; padding: 0 14px; border: 1.5px solid var(--border); border-radius: var(--radius); font: inherit; color: var(--text); background: var(--card-bg); }
.quiz__input:focus { border-color: var(--c-green); outline: none; }
.quiz__consent { display: flex; gap: 10px; align-items: flex-start; font-size: var(--fs-small); color: var(--text-muted); }
.quiz__consent input { width: 20px; height: 20px; margin-top: 1px; accent-color: var(--c-green); flex: none; }
.quiz__trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.quiz__error { color: var(--c-stamp); font-size: var(--fs-small); }
.quiz__nav { display: flex; justify-content: space-between; gap: 12px; }
.quiz__nav .btn--primary { margin-left: auto; }
.quiz__nav [hidden] { display: none; }
.quiz__done { display: flex; flex-direction: column; gap: 8px; }
.quiz__tg { align-self: flex-start; margin-top: 8px; }
.quiz__step[hidden], .quiz__done[hidden], .quiz__error[hidden] { display: none; }

/* ============ ПОЯВЛЕНИЕ ПРИ ПРОКРУТКЕ ============ */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; transition-delay: var(--reveal-delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ============ АДАПТИВ ============ */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .price { grid-template-columns: repeat(2, 1fr); }
  .price__item:nth-child(2) { border-right: 0; }
  .price__item:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 720px) {
  .topbar__nav { display: none; }
  .sticky-cta { display: flex; transform: translateY(140%); transition: transform .25s ease; position: fixed; left: var(--gutter); right: var(--gutter); bottom: 12px; z-index: 20; box-shadow: 0 10px 30px -8px rgba(0,0,0,.45); }
  .sticky-cta.is-shown { transform: none; }
  .topbar__tg { display: none; }
  .footer { padding-bottom: 88px; }
  .cta .btn { width: 100%; }
  .topbar__inner .btn { margin-left: auto; }
  .compare, .split, .cases, .cards--2, .durations, .steps, .founder, .docs { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .addon { grid-template-columns: 1fr; }
  .addon__photo { aspect-ratio: 16 / 9; }
  .timeline { grid-template-columns: 1fr; }
  .case__data { grid-template-columns: 1fr 1fr; }
  .price { grid-template-columns: 1fr; }
  .price__item { border-right: 0; border-bottom: 1px solid var(--border); }
  .price__item:last-child { border-bottom: 0; }
  .estimate__row { padding: 10px 16px; }
  .stamp { right: -4px; top: -22px; }
  .estimate__head { flex-direction: column; gap: 4px; padding-right: 96px; }
}