/* ==========================================================================
   Модульные дома — лендинг
   Статическая вёрстка. Внешних зависимостей нет.
   ========================================================================== */

:root{
  --ink:#16231e;
  --ink-deep:#101a16;
  --green:#1f4d3a;
  --green-soft:#9ccbb1;
  --green-mid:#356049;
  --gold:#c08a3e;
  --gold-ridge:#e0a94e; /* конёк знака; продублирован в favicon.svg */
  --gold-btn:#edb04a;
  --gold-text:#e0b374;
  --bg:#fff;
  --bg-alt:#f4f6f3;
  --line:#e6e9e4;
  --muted:#52605a;
  --muted-2:#2c3a34;
  --on-dark:#c3cec8;
  --on-dark-2:#a9b8b0;
  --on-dark-3:#9fb0a8;
  --on-dark-4:#7d9188;
  --on-dark-5:#55665e;
  --wa:#25D366;
  --wa-ink:#0b2a17;
  --maxw:1180px;
  --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;text-wrap:pretty;
}
a{color:var(--green);text-decoration:none}
input,select,button{font:inherit}
img{max-width:100%;display:block}

.page{width:100%;max-width:100vw;overflow-x:hidden}
.wrap{max-width:var(--maxw);margin:0 auto}
.section{padding:78px 18px}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--ink)}
.bt{border-top:1px solid var(--line)}
.bb{border-bottom:1px solid var(--line)}

.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--green)}
.h2{margin:12px 0 0;font-size:clamp(28px,6vw,44px);font-weight:700;letter-spacing:-.03em;line-height:1.08}
.lead{margin:0;font-size:15.5px;line-height:1.65;color:var(--muted)}

/* ===== Кнопки ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:none;border-radius:999px;cursor:pointer;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn--gold{background:var(--gold-btn);color:var(--ink);font-weight:700}
.btn--gold:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(192,138,62,.35);color:#1a1206}
.btn--wa{background:var(--wa);color:var(--wa-ink);font-weight:700}
.btn--wa:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(37,211,102,.35);color:var(--wa-ink)}
.btn--lg{padding:16px 30px;font-size:16px}
.btn--sm{padding:11px 22px;font-size:15px;font-weight:650}
.btn--sm:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(237,176,74,.34)}
.btn--outline{
  padding:13px;border:1px solid var(--green);color:var(--green);
  font-weight:600;font-size:15px;background:transparent;
}
.btn--outline:hover{background:var(--green);color:#fff;transform:translateY(-2px)}

/* ===== Шапка ===== */
.header{
  position:sticky;top:0;z-index:60;
  background:rgba(22,35,30,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.09);
}
.header__bar{max-width:var(--maxw);margin:0 auto;padding:11px 18px;display:flex;align-items:center;gap:20px}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
/* Знак. Геометрия совпадает с favicon.svg — при правке менять оба файла. */
.mark{display:block;flex:0 0 auto}
.mark__l{fill:var(--green-soft)}
.mark__r{fill:var(--green-mid)}
.mark__ridge{fill:var(--gold-ridge)}
.mark--header{width:38px;height:36.1px}
.mark--footer{width:36px;height:34.2px}
.brand__text{display:flex;flex-direction:column;gap:3px}
.brand__name{font-size:19px;font-weight:700;letter-spacing:-.02em;line-height:1;color:#fff}
.brand__sub{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark-4);line-height:1}

.nav{margin-left:auto;gap:22px;align-items:center;font-size:15px;display:none}
.nav a{color:var(--on-dark-2)}
.nav a:hover{color:#fff}
.header__side{align-items:center;gap:14px;display:none}
.header__tel{font-size:16px;font-weight:650;color:#fff;white-space:nowrap}
.header__tel:hover{color:var(--gold-text)}

.burger{
  margin-left:auto;width:44px;height:44px;padding:0;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;cursor:pointer;
}
.burger span{width:18px;height:2px;background:#fff;display:block}

.mobmenu{
  border-top:1px solid rgba(255,255,255,.09);background:var(--ink);
  padding:12px 18px 20px;display:grid;gap:2px;
}
.mobmenu[hidden]{display:none}
.mobmenu a.mobmenu__link{padding:13px 4px;font-size:17px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.mobmenu a.mobmenu__link:last-of-type{border-bottom:none}
.mobmenu__cta{display:grid;gap:10px;margin-top:12px}
.mobmenu__call{padding:14px;text-align:center;border-radius:999px;border:1px solid rgba(255,255,255,.25);color:#fff;font-weight:600}
.mobmenu__call:hover{color:var(--gold-text)}
.mobmenu__wa{padding:14px;text-align:center;border-radius:999px;background:var(--wa);color:var(--wa-ink);font-weight:700}

@media (min-width:900px){
  .nav,.header__side{display:flex}
  .burger{display:none}
  .mobmenu{display:none!important}
}

/* ===== Первый экран ===== */
.hero{position:relative;background:var(--ink);overflow:hidden}
.hero__stripes{position:absolute;inset:0;background:repeating-linear-gradient(125deg,#26382f,#26382f 14px,#1e2d26 14px,#1e2d26 28px)}
.hero__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,35,30,.88),rgba(22,35,30,.72) 45%,rgba(22,35,30,.95))}
.hero__note{
  position:absolute;right:14px;bottom:14px;z-index:1;padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
}
.hero__note span{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--on-dark-3);text-transform:uppercase}
.hero__inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:80px 18px 74px}
.badge{
  display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(192,138,62,.5);color:var(--gold-text);font-size:13px;
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:block}
.hero h1{margin:24px 0 0;color:#fff;font-weight:700;letter-spacing:-.035em;line-height:1.02;max-width:16ch;font-size:clamp(34px,8vw,70px)}
.hero__lead{margin:22px 0 0;max-width:50ch;color:var(--on-dark);font-size:clamp(16px,4.2vw,19px);line-height:1.6}
.facts{margin:38px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;max-width:730px}
.fact{padding:16px 18px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13)}
.fact b{display:block;font-size:clamp(20px,5vw,25px);font-weight:700;color:#fff;letter-spacing:-.02em}
.fact span{display:block;font-size:13px;color:var(--on-dark-3);margin-top:4px}
.hero__cta{margin:38px 0 0;display:flex;flex-wrap:wrap;gap:12px}

/* ===== Преимущества ===== */
.usp{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:16px}
.usp__card{padding:28px 26px 30px;border-radius:20px;background:var(--bg-alt);border:1px solid var(--line)}
.usp__ic{width:38px;height:38px;border-radius:11px;background:var(--green);display:grid;place-items:center;margin-bottom:16px;position:relative}
.usp__ic i{display:block;background:var(--gold)}
.usp__ic--square i{width:14px;height:14px}
.usp__ic--circle i{width:14px;height:14px;border-radius:50%}
.usp__ic--diamond i{width:14px;height:14px;transform:rotate(45deg)}
.usp__ic--cross i:nth-child(1){position:absolute;width:16px;height:4px}
.usp__ic--cross i:nth-child(2){position:absolute;width:4px;height:16px}
.usp__card h3{margin:0 0 9px;font-size:18.5px;letter-spacing:-.015em}
.usp__card p{margin:0;font-size:15px;line-height:1.6;color:var(--muted)}

/* ===== Заголовок секции с описанием ===== */
.sechead{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:18px;margin-bottom:40px}
.sechead p{max-width:40ch}

/* ===== Плейсхолдер фото ===== */
.photo{
  background:repeating-linear-gradient(135deg,#e8ebe6,#e8ebe6 12px,#f1f3ef 12px,#f1f3ef 24px);
  display:grid;place-items:center;
}
.photo span{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:#8b978f;text-transform:uppercase}

/* ===== Каталог моделей ===== */
.models{display:grid;grid-template-columns:repeat(auto-fit,minmax(256px,1fr));gap:18px}
.model{
  background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease;
}
.model:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(22,35,30,.13)}
.model__media{aspect-ratio:4/3;overflow:hidden;position:relative}
.model__media .photo{position:absolute;inset:0;transition:transform .4s ease}
.model:hover .model__media .photo{transform:scale(1.06)}
.model__tag{
  position:absolute;top:14px;left:14px;padding:6px 12px;border-radius:999px;
  background:rgba(22,35,30,.86);color:#fff;font-size:12px;font-weight:600;z-index:1;
}
.model__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.model__body h3{margin:0;font-size:19px;letter-spacing:-.015em;line-height:1.3}
.model__spec{margin:0;font-size:14.5px;line-height:1.6;color:var(--muted);flex:1}
.model__price{font-size:22px;font-weight:700;letter-spacing:-.02em;color:var(--green)}
.model .btn--outline{margin-top:4px}

/* ===== Комплектация ===== */
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:34px;align-items:center}
.split .photo{aspect-ratio:4/3;border-radius:24px}
.split h2{margin:14px 0 10px;font-size:clamp(28px,6vw,40px);font-weight:700;letter-spacing:-.03em;line-height:1.1}
.split__lead{margin:0 0 26px;font-size:16.5px;line-height:1.65;color:var(--muted);max-width:46ch}
.checks{display:grid;gap:11px}
.check{display:flex;gap:12px;align-items:start}
.check i{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:#eef2ec;
  display:grid;place-items:center;margin-top:2px;
}
.check i::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);display:block}
.check span{font-size:16px;line-height:1.5;color:var(--muted-2)}

/* ===== Этапы ===== */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 26px 30px}
.step__n{font-size:34px;font-weight:700;line-height:1;letter-spacing:-.04em;color:var(--gold)}
.step h3{margin:18px 0 9px;font-size:18.5px;letter-spacing:-.015em}
.step p{margin:0;font-size:15px;line-height:1.6;color:var(--muted)}

/* ===== Галерея ===== */
.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(256px,1fr));gap:16px}
.gallery figure{margin:0}
.gallery .photo{aspect-ratio:4/3;border-radius:18px;overflow:hidden}
.gallery figcaption{margin-top:10px;font-size:14px;color:var(--muted)}
.works__lead{margin:14px 0 36px;font-size:16.5px;line-height:1.6;color:var(--muted)}
.works h2{margin:12px 0 8px}

/* ===== Заявка ===== */
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;align-items:start}
.contact h2{margin:0 0 12px;color:#fff;font-size:clamp(28px,6vw,42px);font-weight:700;letter-spacing:-.03em;line-height:1.08}
.contact__lead{margin:0 0 30px;color:var(--on-dark-2);font-size:16.5px;line-height:1.65;max-width:44ch}

.form{display:grid;gap:12px;max-width:460px}
.form[hidden]{display:none}
.form input,.form select{
  padding:16px 18px;border-radius:14px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;font-size:16px;outline:none;width:100%;
}
.form input::placeholder{color:var(--on-dark-4)}
.form input:focus,.form select:focus{border-color:var(--gold)}
.form option{color:var(--ink)}
.form button{margin-top:4px;padding:17px}
.form__note{margin:2px 0 0;font-size:12.5px;line-height:1.5;color:var(--on-dark-4)}

.sent{padding:26px;border-radius:20px;background:rgba(37,211,102,.12);border:1px solid rgba(37,211,102,.4)}
.sent[hidden]{display:none}
.sent b{display:block;color:#fff;font-size:19px;font-weight:650;margin-bottom:8px}
.sent p{margin:0;color:var(--on-dark-2);font-size:15px;line-height:1.6}

.card{
  padding:28px;border-radius:22px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);display:grid;gap:20px;
}
.card__label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-4);margin-bottom:6px}
.card__tel{color:#fff;font-size:23px;font-weight:700;letter-spacing:-.02em}
.card__tel:hover{color:var(--gold-text)}
.card__mail{color:#fff;font-size:17px}
.card__mail:hover{color:var(--gold-text)}
.card__val{color:var(--on-dark);font-size:16px;line-height:1.5}
.card .btn--wa{padding:15px;font-size:16px}

/* ===== Соцсети ===== */
.socials{display:flex;flex-wrap:wrap;gap:10px}
.social{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);
  color:#fff;font-size:14.5px;font-weight:600;
  transition:border-color .18s ease,background .18s ease,transform .18s ease,color .18s ease;
}
.social:hover{transform:translateY(-2px);border-color:var(--gold);color:var(--gold-text);background:rgba(255,255,255,.09)}
.social svg{width:18px;height:18px;flex:0 0 auto;fill:currentColor}

/* ===== Подвал ===== */
.footer{background:var(--ink-deep);padding:58px 18px 36px}
.footer__grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:28px}
.footer__brand{display:flex;align-items:center;gap:11px}
.footer__mark{position:relative;width:36px;height:36px;display:block;flex:0 0 auto}
.footer__mark i{position:absolute;display:block}
.footer__mark i:nth-child(1){left:2px;top:14px;width:15px;height:18px;background:var(--green-soft);transform:skewY(-30deg)}
.footer__mark i:nth-child(2){left:17px;top:14px;width:15px;height:18px;background:var(--green-mid);transform:skewY(30deg)}
.footer__mark i:nth-child(3){left:9px;top:5px;width:16px;height:16px;background:var(--gold);transform:rotate(45deg) scaleY(.58)}
.footer__name{font-size:18px;font-weight:700;letter-spacing:-.02em;color:#fff}
.footer__about{margin:14px 0 0;color:var(--on-dark-4);font-size:14px;line-height:1.6;max-width:30ch}
.footer__col{display:grid;gap:8px;align-content:start}
.footer__label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-5)}
.footer__col a{color:var(--on-dark);font-size:15px}
.footer__col a.strong{color:#fff;font-size:16px;font-weight:600}
.footer__col a:hover{color:var(--gold-text)}
.footer__col div{color:var(--on-dark);font-size:15px;line-height:1.6}
.footer__socials{max-width:var(--maxw);margin:32px auto 0}
.footer__bottom{
  max-width:var(--maxw);margin:30px auto 0;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);color:var(--on-dark-5);font-size:13px;
}

/* ===== Плавающая кнопка ===== */
.fab{
  position:fixed;right:16px;bottom:16px;z-index:70;width:58px;height:58px;border-radius:50%;
  background:var(--wa);display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(37,211,102,.45);transition:transform .2s ease;
}
.fab:hover{transform:translateY(-3px) scale(1.04)}
.fab svg{width:30px;height:30px;fill:var(--wa-ink)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}