/*
 * МетрикаГрупп
 * Design read (taste-skill): B2B-сайт отделочного подрядчика для АХО и закупщиков офисов и ТЦ,
 * trust-first индустриальный язык, native CSS + Onest + Phosphor Icons, сдержанное движение.
 * Dials: DESIGN_VARIANCE 6 · MOTION_INTENSITY 4 · VISUAL_DENSITY 4
 * Shape lock: радиус 6px у всех элементов. Color lock: один акцент (фирменный синий).
 * Theme lock: одна тема на страницу, авто по prefers-color-scheme.
 */

@font-face {
  font-family: "Onest";
  src: url("https://cdn.jsdelivr.net/fontsource/fonts/onest:vf@latest/cyrillic-wght-normal.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Onest";
  src: url("https://cdn.jsdelivr.net/fontsource/fonts/onest:vf@latest/latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+20BD, U+2122, U+2212;
}

:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eceff3;
  --text: #14181d;
  --text-2: #4a5360;
  --line: #dde2e8;
  --line-strong: #b8c0ca;
  --accent: #0b4f96;
  --accent-hover: #083e77;
  --on-accent: #ffffff;
  --accent-soft: #e4edf7;
  --scrim-text: #f3f5f8;
  --danger: #b42318;
  --ok: #17703a;
  --shadow: 0 18px 40px -24px rgb(20 40 70 / .35);

  --radius: 6px;
  --wrap: 1280px;
  --pad: clamp(18px, 4vw, 40px);
  --font: "Onest", "Segoe UI", system-ui, sans-serif;
  --mono: var(--font);
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; scroll-padding-top: 88px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 17px/1.6 var(--font); }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 3px; }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.03em; font-weight: 700; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); }
h3 { font-size: 1.2rem; letter-spacing: -.015em; line-height: 1.25; }
p { margin: 0; }
.mono { font-family: var(--mono); font-weight: 500; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: var(--radius); }
.skip { position: absolute; left: -9999px; top: 12px; z-index: 30; padding: 12px 18px; background: var(--accent); color: var(--on-accent); border-radius: var(--radius); }
.skip:focus { left: 12px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: clamp(72px, 9vw, 112px) 0; }
.section-title { max-width: 760px; margin-bottom: 48px; }
.section-title p { margin-top: 16px; color: var(--text-2); max-width: 62ch; }
.eyebrow { display: block; margin-bottom: 18px; font: 600 .82rem/1 var(--font); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }

/* Чередующиеся фоны секций на всю ширину экрана */
main > section:not(.hero) { padding-block: clamp(56px, 7vw, 96px); }
main > section:nth-of-type(odd) { background: var(--surface); box-shadow: 0 0 0 100vmax var(--surface); clip-path: inset(0 -100vmax); }
main > section:nth-of-type(even) { background: var(--surface-2); box-shadow: 0 0 0 100vmax var(--surface-2); clip-path: inset(0 -100vmax); }

/* Кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px; border: 1.5px solid transparent; border-radius: var(--radius);
  font: 600 .98rem/1 var(--font); text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .15s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn .ph { font-size: 1.15rem; transition: transform .3s var(--ease); }
.btn:hover .ph-arrow-right { transform: translateX(3px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--text); }
.btn-light { background: var(--scrim-text); color: #14181d; }
.btn-light:hover { background: #fff; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* Шапка: 72px, одна строка */
.site-header { position: sticky; top: 0; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; color: var(--text); text-decoration: none; }
.brand svg { width: 44px; height: 38px; }
.brand-name { font-weight: 700; font-size: 1.22rem; letter-spacing: -.03em; line-height: 1; }
.brand-name b { color: var(--accent); font-weight: 700; }
.brand-tag { display: block; margin-top: 5px; font-size: .68rem; letter-spacing: .14em; color: var(--text-2); line-height: 1; }
.nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav a { color: var(--text); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent); }
.nav a.btn-primary, .nav a.btn-primary:hover { color: var(--on-accent); }
.header-phone { font: 500 .95rem var(--mono); color: var(--text); text-decoration: none; white-space: nowrap; }
.menu-btn { display: none; width: 48px; height: 48px; margin-left: auto; border: 1px solid var(--line-strong); border-radius: var(--radius); background: transparent; color: var(--text); font-size: 1.4rem; cursor: pointer; }
.menu-btn .ph-x { display: none; }
.menu-btn[aria-expanded="true"] .ph-list { display: none; }
.menu-btn[aria-expanded="true"] .ph-x { display: inline; }

/* Hero: асимметричный split, помещается в первый экран */
.hero { display: grid; grid-template-columns: 1.02fr .98fr; gap: clamp(32px, 5vw, 72px); align-items: center; padding-top: clamp(24px, 2.8vw, 40px); padding-bottom: clamp(48px, 6vw, 88px); }
.hero h1 { max-width: 18ch; font-size: clamp(2.2rem, 4vw, 3.4rem); }
.hero .lead { margin-top: 24px; max-width: 44ch; font-size: 1.15rem; color: var(--text-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-media { margin: 0; border-radius: var(--radius); overflow: hidden; aspect-ratio: 5 / 4; max-height: calc(100dvh - 190px); background: var(--surface-2); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

/* Hero главной: переключатель направлений, фото меняется вместе с вкладкой */
.hero-copy { min-width: 0; }
.dir-tabs { display: inline-grid; grid-auto-flow: column; gap: 4px; margin-top: 32px; padding: 4px; background: var(--surface-2); border-radius: var(--radius); }
.dir-tab {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 18px;
  border: 0; border-radius: var(--radius); background: transparent; color: var(--text-2);
  font: 600 .98rem/1 var(--font); white-space: nowrap; cursor: pointer;
  transition: background-color .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}
.dir-tab .ph { font-size: 1.2rem; color: var(--accent); }
.dir-tab:hover { color: var(--text); }
.dir-tab[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgb(20 40 70 / .1), 0 6px 14px -8px rgb(20 40 70 / .35); }
.dir-panel .lead { margin-top: 22px; min-height: 3.2em; }
.dir-panel .hero-actions { margin-top: 32px; }
.hero-visual { position: relative; align-self: center; width: 100%; min-height: 420px; max-height: calc(100dvh - 150px); aspect-ratio: 5 / 6; border-radius: var(--radius); overflow: hidden; background: var(--surface-2); }
.dir-media { position: absolute; inset: 0; margin: 0; }
.dir-media img { width: 100%; height: 100%; object-fit: cover; }
html:not(.js) .dir-media + .dir-media { display: none; }
.js .dir-media { opacity: 0; transform: scale(1.04); transition: opacity .7s var(--ease), transform 1.2s var(--ease); }
.js .dir-media.is-active { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .js .dir-panel:not([hidden]) { animation: panel-in .5s var(--ease); }
}
@keyframes panel-in { from { opacity: 0; transform: translateY(8px); } }

/* Нижняя панель действий на телефоне */
.mobile-bar { display: none; }

/* Факты: полоса цифр */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero:has(+ .facts-band) { padding-bottom: clamp(12px, 2vw, 24px); }
.facts-band { background: var(--surface); box-shadow: 0 0 0 100vmax var(--surface); clip-path: inset(0 -100vmax); padding-bottom: clamp(32px, 4vw, 48px); }
.fact { padding: 20px 24px 20px 0; }
.fact + .fact { padding-left: 24px; border-left: 1px solid var(--line); }
.fact strong { display: block; font-size: clamp(1.5rem, 2.3vw, 2rem); line-height: 1.05; color: var(--text); }
.fact span { display: block; margin-top: 6px; color: var(--text-2); font-size: .92rem; line-height: 1.45; }

/* Bento услуг: 6 позиций, 6 ячеек */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(230px, auto); gap: 16px; }
.tile { display: flex; flex-direction: column; gap: 10px; padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color .3s var(--ease); }
.tile:hover { border-color: var(--line-strong); }
.tile p { color: var(--text-2); font-size: .98rem; }
.tile .ph { font-size: 1.9rem; color: var(--accent); margin-bottom: auto; padding-bottom: 20px; }
.tile-tint { background: var(--surface-2); }
.tile-accent { background: var(--accent-soft); border-color: transparent; }
.tile-media { padding: 0; }
.tile-media img { width: 100%; object-fit: cover; flex: 1; min-height: 0; }
.tile-media .tile-body { padding: 24px 28px 28px; display: grid; gap: 8px; }
.tile-split { padding: 0; display: grid; grid-template-columns: 1fr 1fr; }
.tile-split img { width: 100%; height: 100%; object-fit: cover; }
.tile-split .tile-body { padding: 28px; display: flex; flex-direction: column; gap: 10px; justify-content: flex-end; }
.b-office { grid-column: span 2; grid-row: span 2; }
.b-mall { grid-column: span 2; }
.b-sks, .b-paint { grid-column: span 2; }
.tile ul { margin: 6px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.tile li { padding: 5px 10px; border: 1px solid var(--line-strong); border-radius: var(--radius); font-size: .85rem; color: var(--text-2); }

/* Баннер во всю ширину с фотографией */
.banner { position: relative; display: grid; align-items: end; min-height: clamp(460px, 56vw, 600px); border-radius: var(--radius); overflow: hidden; color: var(--scrim-text); isolation: isolate; }
.banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.banner::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgb(10 13 18 / .86) 0%, rgb(10 13 18 / .62) 45%, rgb(10 13 18 / .1) 100%); }
.banner-body { padding: clamp(28px, 5vw, 64px); max-width: 640px; }
.banner h2 { color: #fff; }
.banner p { margin: 18px 0 32px; color: #d5dbe3; max-width: 46ch; }

/* Объекты: фото слева, сгруппированный список справа */
.works { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.works-media { position: sticky; top: 104px; margin: 0; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; background: var(--surface-2); }
.works-media img { width: 100%; height: 100%; object-fit: cover; }
.cluster { padding-bottom: 36px; margin-bottom: 36px; border-bottom: 1px solid var(--line); }
.cluster:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.cluster h3 { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.cluster h3 small { font: 500 .85rem var(--mono); color: var(--text-2); letter-spacing: 0; }
.job { display: grid; grid-template-columns: 1fr auto; gap: 2px 24px; padding: 10px 0; }
.job strong { font-weight: 600; }
.job span { color: var(--text-2); font-size: .96rem; grid-column: 1; }
.job time { grid-column: 2; grid-row: 1 / span 2; font: 500 .85rem var(--mono); color: var(--text-2); white-space: nowrap; padding-top: 3px; }
.job-group { padding: 10px 0; }
.job-group summary { display: grid; grid-template-columns: 1fr auto; gap: 2px 24px; cursor: pointer; list-style: none; }
.job-group summary::-webkit-details-marker { display: none; }
.job-group summary strong { font-weight: 600; }
.job-group summary span { color: var(--text-2); font-size: .96rem; }
.job-group summary em { grid-column: 2; grid-row: 1 / span 2; font-style: normal; display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; font-size: .92rem; white-space: nowrap; }
.job-group summary em .ph { transition: transform .3s var(--ease); }
.job-group[open] summary em .ph { transform: rotate(180deg); }
.job-group .job { padding-left: 18px; border-left: 2px solid var(--accent-soft); margin-top: 8px; }

/* Этапы: горизонтальная линия времени */
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; margin: 0; padding: 0; list-style: none; position: relative; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 2px; background: var(--line); }
.timeline li { position: relative; padding-top: 40px; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 0; width: 16px; height: 16px; border-radius: var(--radius); background: var(--accent); }
.timeline h3 { margin-bottom: 8px; }
.timeline p { color: var(--text-2); font-size: .96rem; }

/* Документы: заголовок + две группы реквизитов */
.docs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.doc { padding: 32px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.doc h3 { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.doc h3 .ph { font-size: 1.5rem; color: var(--accent); }
.doc dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 12px 24px; }
.doc dt { color: var(--text-2); font-size: .94rem; }
.doc dd { margin: 0; font-weight: 500; }
.doc .mono { font-size: .95rem; }

/* Вопросы */
.faq { max-width: 880px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 48px; padding: 22px 0; cursor: pointer; list-style: none; font-weight: 600; font-size: 1.08rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ph { flex: none; font-size: 1.3rem; color: var(--accent); transition: transform .3s var(--ease); }
.faq details[open] summary .ph { transform: rotate(45deg); }
.faq details p { padding: 0 0 24px; color: var(--text-2); max-width: 70ch; }

/* Контакты и форма */
.contact { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact-list { margin: 36px 0 0; padding: 0; list-style: none; display: grid; gap: 22px; }
.contact-list li { display: flex; gap: 16px; align-items: center; }
.contact-list .ph { flex: none; display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid var(--line-strong); border-radius: var(--radius); font-size: 1.3rem; color: var(--accent); }
.contact-list small { display: block; color: var(--text-2); font-size: .85rem; }
.contact-list a, .contact-list b { color: var(--text); font-weight: 600; text-decoration: none; }
.form { padding: clamp(24px, 4vw, 40px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.field { display: grid; gap: 8px; align-content: start; margin-bottom: 20px; }
.field label { font-weight: 600; font-size: .95rem; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; font: inherit; font-size: 1rem; color: var(--text);
  background: var(--bg); border: 1.5px solid var(--line-strong); border-radius: var(--radius);
  transition: border-color .2s var(--ease);
}
.field textarea { min-height: 120px; resize: vertical; }
.field ::placeholder { color: #6b7480; opacity: 1; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.field [aria-invalid="true"], .field [aria-invalid="true"]:focus { border-color: var(--danger); }
.field [aria-invalid="true"]:focus { box-shadow: inset 0 0 0 1px var(--danger); }
.help { font-size: .86rem; color: var(--text-2); }
.error { font-size: .86rem; color: var(--danger); font-weight: 500; }
.error:empty { display: none; }
.consent { display: flex; gap: 12px; align-items: flex-start; margin: 4px 0 8px; font-size: .9rem; color: var(--text-2); cursor: pointer; }
.consent input { flex: none; width: 20px; height: 20px; margin-top: 2px; accent-color: var(--accent); }
.form .btn { width: 100%; margin-top: 16px; }
.form-status { margin-top: 14px; font-size: .95rem; min-height: 1.5em; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--danger); }

/* Подвал */
.site-footer { border-top: 1px solid var(--line); background: var(--surface-2); padding: 56px 0 28px; font-size: .94rem; color: var(--text-2); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
.site-footer h2 { font-size: .95rem; letter-spacing: 0; margin-bottom: 14px; color: var(--text); }
.site-footer ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.site-footer a { color: var(--text-2); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.site-footer .brand { margin-bottom: 16px; }
.footer-legal { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: .84rem; }

/* Страница металлоконструкций */
.side-list { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.side-list .section-title { position: sticky; top: 104px; margin-bottom: 0; }
.works-list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 36px 32px; }
.works-list li { padding-top: 24px; border-top: 1px solid var(--line); }
.works-list .ph { font-size: 1.8rem; color: var(--accent); margin-bottom: 14px; display: block; }
.side-img { width: 100%; margin-top: 32px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.works-list h3 { margin-bottom: 8px; }
.works-list p { color: var(--text-2); font-size: .98rem; }
.trio { display: grid; grid-template-columns: 7fr 5fr; grid-template-rows: auto auto; gap: 16px; }
.trio .tile-media { grid-row: span 2; }
.trio .tile-media img { aspect-ratio: 16 / 10; flex: none; }
.limits { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.limit { padding: 28px 24px 28px 0; }
.limit + .limit { padding-left: 24px; border-left: 1px solid var(--line); }
.limit strong { display: block; font-size: 1.9rem; color: var(--accent); line-height: 1; }
.limit span { display: block; margin-top: 10px; color: var(--text-2); font-size: .92rem; }
.norm { margin-top: 28px; max-width: 76ch; color: var(--text-2); }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 0; padding: 0; list-style: none; }
.checklist li { display: flex; gap: 16px; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.checklist .ph { flex: none; font-size: 1.6rem; color: var(--accent); }
.checklist strong { display: block; margin-bottom: 4px; }
.checklist span { color: var(--text-2); font-size: .96rem; }

/* Простые страницы */
.prose { max-width: 760px; padding: 56px 0 96px; }
.prose h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 28px; }
.prose h2 { font-size: 1.3rem; margin: 36px 0 10px; }
.prose p { color: var(--text-2); }
.center-page { min-height: calc(100dvh - 73px); display: grid; place-items: center; text-align: center; padding: 48px var(--pad); }
.center-page p { margin: 18px auto 32px; color: var(--text-2); max-width: 44ch; }

/* Появление при прокрутке: иерархия, только opacity и transform */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
  .js .reveal.is-in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}

/* Адаптив */
@media (max-width: 1180px) {
  .header-phone { display: none; }
  .nav { gap: 20px; }
}
@media (max-width: 1024px) {
  .menu-btn { display: inline-grid; place-items: center; }
  .header-row > .btn-primary { display: none; }
  .nav {
    position: fixed; inset: 73px 0 0 0; z-index: 19; flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px var(--pad) 32px; background: var(--surface); overflow-y: auto; overscroll-behavior: contain; visibility: hidden; opacity: 0;
    transition: opacity .25s var(--ease), visibility .25s;
  }
  .nav.is-open { visibility: visible; opacity: 1; }
  .nav a { padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 1.15rem; }
  .nav .btn { margin-top: 24px; border-bottom: 0; font-size: 1rem; }
  .nav .nav-phone { font-family: var(--mono); font-weight: 500; color: var(--accent); border-bottom: 0; }
  .facts, .limits { grid-template-columns: 1fr 1fr; }
  .fact:nth-child(3), .limit:nth-child(3), .limit:nth-child(5) { padding-left: 0; border-left: 0; }
  .fact:nth-child(n+3), .limit:nth-child(n+3) { border-top: 1px solid var(--line); }
  .timeline { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .timeline::before { display: none; }
}
@media (min-width: 1025px) {
  .nav .btn, .nav .nav-phone { display: none; }
}
@media (max-width: 860px) {
  .hero, .works, .contact, .side-list, .trio, .docs-grid { grid-template-columns: 1fr; }
  .hero-media { max-height: none; aspect-ratio: 4 / 3; }
  .hero-visual { min-height: 0; max-height: none; aspect-ratio: 4 / 3; }
  .works-media, .side-list .section-title { position: static; }
  .works-media { aspect-ratio: 16 / 10; }
  .bento { grid-template-columns: 1fr 1fr; }
  .b-office, .b-mall, .b-sks, .b-paint { grid-column: span 2; }
  .b-office { grid-row: span 1; }
  .b-office img { aspect-ratio: 16 / 10; flex: none; }
  .trio .tile-media { grid-row: auto; }
}
@media (max-width: 767px) {
  body { font-size: 16px; }
  .bento, .works-list, .checklist, .form-row { grid-template-columns: 1fr; }
  .b-office, .b-mall, .b-sks, .b-paint { grid-column: auto; }
  .tile-split { grid-template-columns: 1fr; }
  .tile-split img { aspect-ratio: 16 / 10; height: auto; }
  .limits { grid-template-columns: 1fr; }
  .limit, .limit + .limit { padding: 22px 0; border-left: 0; }
  .limit + .limit { border-top: 1px solid var(--line); }
  .fact { padding: 20px 14px 20px 0; }
  .fact + .fact { padding-left: 14px; }
  .fact:nth-child(3) { padding-left: 0; }
  .fact strong { font-size: 1.45rem; }
  .fact span { font-size: .86rem; margin-top: 8px; }
  .timeline { grid-template-columns: 1fr; row-gap: 28px; }
  .doc dl { grid-template-columns: 1fr; gap: 2px; }
  .doc dd { margin-bottom: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 100%; }

  html { scroll-padding-top: 80px; }
  .header-row { height: 64px; gap: 16px; }
  .brand svg { width: 38px; height: 33px; }
  .nav { inset: 65px 0 0 0; }
  h1, h2 { hyphens: auto; overflow-wrap: break-word; }
  .hero { padding-top: 24px; padding-bottom: 40px; gap: 28px; }
  .hero h1 { font-size: clamp(1.9rem, 8.4vw, 2.4rem); }
  .hero .lead { font-size: 1.04rem; }
  .dir-tabs { display: grid; grid-template-columns: 1fr 1fr; width: 100%; margin-top: 24px; }
  .dir-tab { padding: 0 8px; font-size: .9rem; }
  .dir-tab .ph { display: none; }
  .dir-panel .lead { min-height: 0; }
  .dir-panel .hero-actions { margin-top: 24px; gap: 10px; }
  .section-title { margin-bottom: 32px; }
  .banner-body { min-width: 0; }
  .tile { padding: 22px; }

  body { padding-bottom: 76px; }
  .mobile-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 18;
    display: grid; grid-template-columns: 1fr 1.4fr; gap: 10px;
    padding: 10px var(--pad) calc(10px + env(safe-area-inset-bottom));
    background: rgb(255 255 255 / .94); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    border-top: 1px solid var(--line); transition: transform .35s var(--ease);
  }
  .mobile-bar.is-hidden { transform: translateY(110%); }
  .mobile-bar .btn { min-height: 48px; padding: 0 12px; }
  .banner::after { background: linear-gradient(0deg, rgb(10 13 18 / .9) 0%, rgb(10 13 18 / .55) 60%, rgb(10 13 18 / .25) 100%); }
}