/* ГарантСтрой — стили сайта. Перенесены 1-в-1 из утверждённого макета design/home.html;
   ниже — добавки для живых элементов (поля, переключатели, ползунки, «спасибо», вход). */
:root{
  --bg:#1c1c1c;
  --bg-2:#222222;
  --card:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.1);
  --text:#ffffff;
  --muted:#c6c6c6;
  --dim:#96979b;
  --accent:#383b4a;
  --accent-soft:rgba(56,59,74,.5);
  --chip:#272727;
  --light:#f4f3ef;
  --r-sm:6px;
  --r-lg:17px;
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased;padding-bottom:72px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1300px;margin:0 auto;padding:0 30px}
section{padding:90px 0}

/* типографика */
.h1{font-size:44px;line-height:1.1;font-weight:400;letter-spacing:-1px}
.h2{font-size:42px;line-height:1.15;font-weight:400;letter-spacing:-1px}
.h2 span,.h1 span{color:var(--dim)}
.h3{font-size:22px;line-height:1.2;font-weight:400;letter-spacing:-.3px}
.lead{font-size:16px;color:var(--muted);line-height:1.5}
.small{font-size:13px;color:var(--muted);line-height:1.45}
.label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim)}
.num{font-size:13px;color:var(--dim)}
.fear{display:inline-flex;align-items:center;gap:8px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim);margin-bottom:22px}
.fear:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--dim)}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-sm);font-size:12px;text-transform:uppercase;letter-spacing:.04em;border:1px solid var(--line);background:var(--accent);color:#fff;cursor:pointer;white-space:nowrap;font-family:var(--font)}
.btn--ghost{background:transparent}
.btn--light{background:#fff;color:var(--bg);border-color:#fff}
.btn--sm{height:40px;padding:0 16px;font-size:11px}
.btn--wide{width:100%}
.arrow:after{content:"↗";font-size:13px}

.card{background:var(--card);border-radius:var(--r-lg);padding:30px}
.pill{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:500px;background:var(--accent-soft);font-size:12px;color:var(--muted)}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:5px;background:var(--chip);font-size:11px;color:var(--muted)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:50px}
.divider{border:0;border-top:1px solid var(--line)}

/* шапка */
.top{position:sticky;top:0;z-index:20;background:rgba(28,28,28,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:36px;height:86px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:60px;width:auto;margin-left:-8px;display:block}
.nav{display:flex;gap:28px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.top .phone{margin-left:auto;font-size:14px}
.top .phone small{display:block;font-size:10px;color:var(--dim);text-transform:uppercase;letter-spacing:.05em}

/* первый экран */
.hero{padding:20px 0 0}
.hero__box{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:720px;display:flex;flex-direction:column;justify-content:space-between;padding:60px 50px 40px}
.hero__box img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero__box:before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(28,28,28,.92) 0%,rgba(28,28,28,.55) 50%,rgba(28,28,28,.15) 100%)}
.hero__box>*{position:relative;z-index:2}
.hero__text{max-width:600px}
.hero .lead{margin:26px 0 34px;max-width:470px}
.hero__btns{display:flex;gap:10px;flex-wrap:wrap}
.hero__facts{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border-radius:12px;overflow:hidden;margin-top:60px}
.hero__facts div{background:rgba(28,28,28,.75);padding:18px 20px}
.hero__facts b{display:block;font-size:26px;font-weight:400;letter-spacing:-.5px}
.hero__facts span{font-size:12px;color:var(--muted)}

/* калькулятор */
.calc{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}
.field{margin-bottom:26px}
.field .label{margin-bottom:12px;display:flex;justify-content:space-between}
.field .label b{color:#fff;font-weight:400;font-size:13px;text-transform:none;letter-spacing:0}
.range{position:relative;height:4px;background:var(--line);border-radius:4px;margin:18px 0 10px}
.range i{position:absolute;left:0;top:0;bottom:0;width:26%;background:#fff;border-radius:4px}
.range i:after{content:"";position:absolute;right:-9px;top:-7px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 0 0 5px rgba(255,255,255,.12)}
.scale{display:flex;justify-content:space-between;font-size:11px;color:var(--dim)}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg span{height:38px;padding:0 16px;display:inline-flex;align-items:center;border-radius:var(--r-sm);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.seg span.on{background:var(--accent);color:#fff;border-color:rgba(255,255,255,.2)}
.result{background:#fff;color:var(--bg);border-radius:var(--r-lg);padding:34px;display:flex;flex-direction:column}
.result .label{color:#6d6e72}
.result__sum{font-size:40px;letter-spacing:-1px;line-height:1.1;margin:10px 0 6px}
.result__m2{font-size:14px;color:#55565a}
.result__row{display:flex;justify-content:space-between;padding:14px 0;border-top:1px solid #e3e2dd;font-size:14px}
.result__row:first-of-type{margin-top:24px}
.result .note{font-size:12px;color:#6d6e72;margin:18px 0 24px}
.form{display:grid;gap:10px}
.input{height:48px;border-radius:var(--r-sm);border:1px solid #dcdbd6;background:var(--light);padding:0 16px;font-size:14px;display:flex;align-items:center;color:#1c1c1c}
.input.ph{color:#8a8b8f}
.result .btn{height:52px;background:var(--bg);border-color:var(--bg)}
.result .seg span{border-color:#dcdbd6;color:#55565a;height:34px;font-size:12px}
.result .seg span.on{background:var(--bg);color:#fff}
.consent{font-size:11px;color:#8a8b8f}

.hint{font-size:12px;color:var(--dim);margin-top:10px}
.sub{margin-top:12px;display:grid;gap:8px}
.sub__row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-sm)}
.sub__row>span{font-size:12px;color:var(--muted);min-width:90px}
.sub__row .seg span{height:32px;font-size:12px}
.qty{margin-left:auto;height:32px;min-width:84px;padding:0 12px;display:flex;align-items:center;justify-content:flex-end;border-radius:var(--r-sm);background:rgba(255,255,255,.06);font-size:13px}
.more{margin-top:30px;border-top:1px solid var(--line);padding-top:22px}
.more__head{font-size:15px;margin-bottom:24px;display:flex;flex-direction:column;gap:4px}
.more__head span{font-size:12px;color:var(--dim)}
.calc .result{align-self:start;position:sticky;top:106px}
.result__row span:last-child{white-space:nowrap}
@media (max-width:1000px){.calc .result{position:static}}

/* смета + договор */
.doc{background:var(--light);color:#1c1c1c;border-radius:var(--r-lg);padding:34px;font-family:Georgia,"Times New Roman",serif;font-size:14px;line-height:1.55;position:relative}
.doc h4{font-family:var(--font);font-weight:400;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#6d6e72;margin-bottom:18px}
.doc p{margin-bottom:12px}
.doc mark{background:#e3e1d8;padding:0 3px}
.doc .blur{filter:blur(3px);opacity:.6}
.list{list-style:none}
.list li{display:flex;gap:18px;padding:18px 0;border-top:1px solid var(--line)}
.list li:last-child{border-bottom:1px solid var(--line)}
.list li .num{min-width:44px}

/* надёжность */
.stat b{display:block;font-size:56px;font-weight:400;letter-spacing:-2px;line-height:1}
.stat span{display:block;margin-top:12px;font-size:13px;color:var(--muted)}
.objects{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:20px}
.obj{border-radius:var(--r-lg);overflow:hidden;background:var(--card)}
.obj img{height:170px;width:100%;object-fit:cover}
.obj div{padding:18px 20px}
.bar{height:3px;background:var(--line);border-radius:3px;margin:12px 0 8px}
.bar i{display:block;height:100%;background:#fff;border-radius:3px}

/* ипотека */
.banks{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.bank{height:52px;padding:0 22px;border:1px solid var(--line);border-radius:var(--r-sm);display:flex;align-items:center;font-size:15px;color:var(--muted)}
.pay{font-size:48px;letter-spacing:-1.5px;line-height:1}

/* участок */
.plot{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:520px}
.plot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.3)}
.plot:before{content:"";position:absolute;inset:0;background:rgba(28,28,28,.45);z-index:1}
.plot .tagbox{position:absolute;z-index:2;background:rgba(28,28,28,.85);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13px;max-width:230px}
.plot .tagbox b{display:block;font-weight:400;margin-bottom:4px}
.check li{list-style:none;display:flex;justify-content:space-between;padding:14px 0;border-top:1px solid var(--line);font-size:15px}
.check li span{color:var(--dim);font-size:13px}

/* полный цикл */
.chain{display:flex;flex-wrap:wrap;gap:8px}
.chain .pill{height:40px;font-size:14px;padding:0 18px;color:#fff}
.chain .pill.x{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* этапы */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{border-top:1px solid var(--line);padding-top:18px}
.step .tag{font-size:10px;color:var(--dim);letter-spacing:.05em}
.step h4{font-size:18px;font-weight:400;margin:14px 0 8px;letter-spacing:-.2px}
.step .chip{margin-top:14px}

/* контроль */
.phone-mock{background:#111;border:1px solid var(--line);border-radius:28px;padding:18px;max-width:330px;margin-left:auto}
.msg{background:var(--chip);border-radius:14px;padding:12px 14px;font-size:13px;margin-bottom:10px;color:var(--muted)}
.msg b{display:block;color:#fff;font-weight:400;margin-bottom:6px;font-size:12px}
.msg img{border-radius:10px;height:130px;width:100%;object-fit:cover;margin-bottom:8px}

/* портфолио */
.work{border-radius:var(--r-lg);overflow:hidden;background:var(--card);display:flex;flex-direction:column}
.work img{height:300px;width:100%;object-fit:cover}
.work__b{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1}
.specs{display:flex;flex-wrap:wrap;gap:6px}
.work__price{display:flex;justify-content:space-between;align-items:end;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.work__price b{font-size:22px;font-weight:400;letter-spacing:-.5px}

/* отзывы */
.review{display:flex;flex-direction:column;gap:18px}
.review p{font-size:16px;line-height:1.5}
.who{display:flex;align-items:center;gap:12px;margin-top:auto}
.who i{width:42px;height:42px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-style:normal;font-size:14px}

/* директор */
.boss{display:grid;grid-template-columns:420px 1fr;gap:20px}
.boss img{border-radius:var(--r-lg);height:100%;min-height:480px;object-fit:cover;width:100%}
.quote{font-size:28px;line-height:1.25;letter-spacing:-.6px}

/* вопросы */
.faq{display:grid;grid-template-columns:1fr 1.4fr;gap:40px}
.q{border-top:1px solid var(--line);padding:22px 0}
.q:last-child{border-bottom:1px solid var(--line)}
.q h4{font-size:18px;font-weight:400;display:flex;justify-content:space-between;gap:20px}
.q h4:after{content:"+";color:var(--dim);font-size:22px;line-height:1}
.q.open h4:after{content:"–"}
.q p{margin-top:12px;color:var(--muted);font-size:14px;max-width:620px}

/* финал */
.final{background:var(--card);border-radius:var(--r-lg);padding:60px 50px;display:grid;grid-template-columns:1fr 420px;gap:50px;align-items:center}
.final .input{background:rgba(255,255,255,.06);border-color:var(--line);color:#fff}
.final .input.ph{color:var(--dim)}
.final .seg span{height:36px;font-size:12px}
footer{padding:50px 0 40px;border-top:1px solid var(--line);margin-top:30px}
footer .grid4{font-size:13px;color:var(--muted)}
footer .label{margin-bottom:12px}
.copy{display:flex;justify-content:space-between;margin-top:50px;font-size:11px;color:var(--dim)}

/* мобильная панель */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:rgba(28,28,28,.95);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px 12px;display:none;gap:8px}
.mbar .btn{flex:1;height:48px;padding:0 10px}


@media (max-width:1000px){
  .nav{display:none}
  .head,.calc,.grid2,.faq,.final,.boss{grid-template-columns:1fr}
  .grid3,.grid4,.objects,.steps{grid-template-columns:1fr 1fr}
  .hero__facts{grid-template-columns:repeat(3,1fr)}
  .phone-mock{margin:0}
}
@media (max-width:640px){
  body{font-size:14px}
  .wrap{padding:0 15px}
  section{padding:60px 0}
  .h1{font-size:30px}
  .h2{font-size:28px;letter-spacing:-.6px}
  .top .wrap{height:64px;gap:12px}
  .top .phone,.top .btn{display:none}
  .hero__box{padding:30px 20px 20px;min-height:auto}
  .hero__box:before{background:linear-gradient(180deg,rgba(28,28,28,.6),rgba(28,28,28,.92))}
  .hero__box .btn{flex:1}
  .hero__facts{grid-template-columns:1fr 1fr;margin-top:40px}
  .hero__facts div:last-child{grid-column:span 2}
  .grid3,.grid4,.objects,.steps{grid-template-columns:1fr}
  .card,.result,.doc{padding:22px}
  .result__sum{font-size:30px}
  .stat b{font-size:44px}
  .final{padding:30px 20px}
  .boss img{min-height:320px}
  .quote{font-size:22px}
  .mbar{display:flex}
  .copy{flex-direction:column;gap:8px}
}

/* ---------- живые элементы ---------- */

/* переключатели: радио/галочки, выглядят как сегменты макета */
.seg label{display:inline-flex;position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.seg label span{transition:background .15s,border-color .15s,color .15s}
.seg input:checked+span{background:var(--accent);color:#fff;border-color:rgba(255,255,255,.2)}
.seg input:focus-visible+span{outline:2px solid #fff;outline-offset:2px}
.result .seg input:checked+span{background:var(--bg);color:#fff;border-color:var(--bg)}

/* ползунок: трек 4px, белая заливка, круглая ручка с ореолом */
.rng{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;margin:18px 0 10px;background:linear-gradient(90deg,#fff var(--p,26%),var(--line) var(--p,26%));outline:none;cursor:pointer;display:block}
.rng::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 0 0 5px rgba(255,255,255,.12);border:0}
.rng::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 0 0 5px rgba(255,255,255,.12);border:0}
.field .label b{white-space:nowrap}

/* поля ввода */
input.input{width:100%;font-family:var(--font);outline:none}
input.input::placeholder{color:#8a8b8f}
input.input:focus{border-color:#1c1c1c}
.final input.input::placeholder,.card input.input::placeholder{color:var(--dim)}
.card input.input{background:rgba(255,255,255,.06);border-color:var(--line);color:#fff}
.final input.input:focus,.card input.input:focus{border-color:rgba(255,255,255,.4)}
button.btn{font-family:var(--font)}
.btn.htmx-request{opacity:.6;pointer-events:none}
.form-msg{font-size:13px;color:#e5484d;min-height:0}
.form-msg:empty{display:none}
.result .form-msg{color:#c62f2f}

/* формы «по кнопке»: поля появляются после первого нажатия */
.is-collapsed .reveal{display:none}
.reveal{display:grid;gap:10px}

/* ответ «Спасибо» вместо формы */
.thanks{display:grid;gap:12px;padding:24px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card)}
.thanks .h3{margin:0}
.thanks .btn{justify-self:start}
.result .thanks{background:var(--light);border-color:#e3e2dd}
.result .thanks .small{color:#55565a}

/* вопросы-ответы на details/summary */
details.q summary{list-style:none;cursor:pointer}
details.q summary::-webkit-details-marker{display:none}
details.q[open] h4:after{content:"–"}

/* ссылки-стрелки в карточках домов */
.work__price a{color:#fff}

/* ---------- страницы входа и восстановления ---------- */
.auth{min-height:calc(100vh - 87px);display:flex;align-items:center;justify-content:center;padding:60px 15px}
.auth__card{width:100%;max-width:440px;background:var(--card);border-radius:var(--r-lg);padding:40px}
.auth h1{font-size:32px;line-height:1.15;font-weight:400;letter-spacing:-.8px;margin-bottom:22px}
.auth p{font-size:14px;color:var(--muted);margin-top:14px}
.auth form{display:grid;gap:10px;margin-top:22px}
.auth label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim);margin-top:6px}
.auth input[type=email],.auth input[type=password],.auth input[type=text]{height:48px;border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:14px;font-family:var(--font);outline:none}
.auth input:focus{border-color:rgba(255,255,255,.4)}
.auth button{margin-top:10px;height:52px;border-radius:var(--r-sm);border:1px solid #fff;background:#fff;color:var(--bg);font-size:12px;text-transform:uppercase;letter-spacing:.04em;cursor:pointer;font-family:var(--font)}
.auth a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.3);text-underline-offset:3px}
.auth .auth__err{color:#e5484d}
.auth .auth__flash{color:#fff;background:var(--accent-soft);border-radius:var(--r-sm);padding:12px 14px}
.auth table{width:100%;border-collapse:collapse;margin-top:20px;font-size:13px}
.auth td,.auth th{text-align:left;padding:12px 8px;border-top:1px solid var(--line);color:var(--muted);font-weight:400}
.auth th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim)}
.auth--wide .auth__card{max-width:760px}
body.page-auth{padding-bottom:0}
@media (max-width:640px){
  .auth__card{padding:26px 20px}
  .auth h1{font-size:26px}
}

/* калькулятор по прайсу: живые части */
.sub__row{display:none}
.calc:has(input[name=extra][value=terrace]:checked) .sub__row[data-for=terrace],
.calc:has(input[name=extra][value=pool]:checked) .sub__row[data-for=pool],
.calc:has(input[name=extra][value=fence]:checked) .sub__row[data-for=fence],
.calc:has(input[name=extra][value=landscape]:checked) .sub__row[data-for=landscape]{display:flex}
.calc:not(:has(input[name=extra][value=comms]:checked)) [data-comms]{opacity:.4}
label.qty{gap:4px;color:var(--muted);cursor:text}
.qty__in{width:52px;background:transparent;border:0;color:#fff;font:inherit;font-size:13px;text-align:right;outline:none;-moz-appearance:textfield}
.qty__in::-webkit-outer-spin-button,.qty__in::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
details.more summary{list-style:none;cursor:pointer;position:relative;padding-right:30px}
details.more summary::-webkit-details-marker{display:none}
details.more summary:after{content:"+";position:absolute;right:0;top:0;font-size:22px;line-height:1;color:var(--dim)}
details.more[open] summary:after{content:"–"}
#calc-out{transition:opacity .15s}
#calc-form.htmx-request #calc-out{opacity:.55}
details.more:not([open]) summary{margin-bottom:0}