/* ============================================================
   ТРиС v4 «Тихий премиум» — единая дизайн-система
   Источник истины: дизайн-план/ДИЗАЙН-СИСТЕМА.md
   Prata (дисплей) + Manrope (текст) · графит #334B58 · лайм ≤2%
   ============================================================ */
:root{
  --paper:#F6F4EF; --white:#FFFFFF;
  --ink:#1E2B33; --ink-soft:#5C6B72; --line:#E3E0D5;
  --graphite:#334B58; --graphite-hover:#243740;
  --lime:#90F129; --green-text:#3E7A00;
  --dark-bg:#24343D; --dark-bg-2:#1B2830;
  --dark-text:#EFF2ED; --dark-muted:#9DAEB4; --dark-line:#3A4F5B;
  --r-card:14px; --r-btn:8px;
  --shadow-card:0 20px 50px rgba(30,43,51,.10);
  --shadow-btn:0 12px 28px rgba(30,43,51,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:'Prata',Georgia,serif; --sans:'Manrope',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:768px){.wrap{padding:0 32px}}
section{padding:128px 0}
@media(max-width:767px){section{padding:72px 0}body{font-size:16px}}

/* --- типографика --- */
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--green-text)}
.dark .eyebrow{color:var(--lime)}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(40px,5.5vw,72px);line-height:1.05;letter-spacing:-.01em}
.h2,h2{font-family:var(--serif);font-weight:400;font-size:clamp(30px,3.6vw,48px);line-height:1.12}
h3{font-family:var(--serif);font-weight:400;font-size:clamp(22px,2.2vw,28px);line-height:1.2}
.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.55;color:var(--ink-soft);max-width:620px}
.dark .lead{color:var(--dark-muted)}
em.acc,h1 em,h2 em{font-style:italic;color:var(--green-text)}
.dark h2 em{color:var(--lime)}
.sec-head{max-width:760px;margin-bottom:56px}
.sec-head h2{margin-top:18px}
.sec-head .lead{margin-top:16px}
@media(max-width:767px){.sec-head{margin-bottom:32px}}
.prose{max-width:620px}
.prose p{margin-bottom:20px}
.prose b{color:var(--graphite)}
.prose h3{margin:36px 0 14px}

/* --- кнопки: только 2 вида --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--sans);font-weight:700;font-size:15px;padding:18px 36px;border-radius:var(--r-btn);border:0;cursor:pointer;transition:.3s var(--ease);text-align:center}
.btn-primary{background:var(--graphite);color:#fff}
.btn-primary::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none}
.btn-primary:hover{background:var(--graphite-hover);transform:translateY(-2px);box-shadow:var(--shadow-btn)}
.btn-secondary{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-secondary:hover{border-color:var(--graphite)}
.dark .btn-secondary{color:var(--dark-text);border-color:var(--dark-line)}
.dark .btn-secondary:hover{border-color:var(--lime)}
.on-photo .btn-secondary{color:#fff;border-color:rgba(255,255,255,.45)}
.on-photo .btn-secondary:hover{border-color:#fff}
.btn-sm{padding:13px 24px;font-size:14px}

/* --- шапка --- */
header{position:sticky;top:0;z-index:80;background:rgba(246,244,239,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:18px}
.logo{display:flex;align-items:center;flex:none}
.logo img{height:34px;width:auto}
.menu{display:flex;gap:26px;font-weight:600;font-size:14px;color:#41565F}
.menu a{position:relative;padding:6px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--lime);transition:.25s}
.menu a:hover::after,.menu a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:16px}
.phone{font-weight:700;font-size:16px;white-space:nowrap;color:var(--graphite)}
.burger{display:none;background:none;border:0;color:var(--graphite);font-size:26px;cursor:pointer;line-height:1}
@media(max-width:1079px){
  .menu{position:fixed;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 24px 16px;display:none}
  .menu.open{display:flex}
  .menu a{padding:13px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .menu a:last-child{border-bottom:0}
  .burger{display:block}
  .phone{display:none}
}

/* --- герой главной (фото на всю ширину) --- */
.hero{position:relative;min-height:88vh;display:flex;align-items:flex-end;overflow:hidden;padding:0}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,40,48,.28) 0%,rgba(27,40,48,.12) 45%,rgba(27,40,48,.55) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:120px;padding-bottom:72px;color:#fff;width:100%}
.hero .eyebrow{color:var(--lime);text-shadow:0 1px 12px rgba(27,40,48,.5)}
.hero h1{max-width:820px;margin:20px 0 24px}
.hero .lead{color:rgba(255,255,255,.88);margin-bottom:36px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
@media(max-width:767px){.hero{min-height:92vh}.hero .wrap{padding-bottom:56px}}

/* --- панель «тёмное стекло» в герое --- */
.hero-glass{max-width:760px;background:rgba(27,40,48,.42);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:48px 52px;box-shadow:0 24px 70px rgba(27,40,48,.35)}
.hero-glass h1{font-size:clamp(34px,4.2vw,56px)}
.hero-glass .lead{font-size:clamp(16px,1.3vw,19px)}
@media(max-width:767px){.hero-glass{padding:28px 22px;border-radius:16px}}

/* чипы-факты (на фото) */
.facts{display:flex;gap:12px;flex-wrap:wrap}
.chip{font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.16);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.22);padding:9px 18px;border-radius:999px;white-space:nowrap}

/* --- герой внутренних страниц --- */
.page-hero{padding:88px 0 64px;border-bottom:1px solid var(--line)}
.page-hero .crumbs{font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:22px}
.page-hero .crumbs a:hover{color:var(--green-text)}
.page-hero h1{font-size:clamp(34px,4.4vw,56px);max-width:900px}
.page-hero .lead{margin-top:20px}
@media(max-width:767px){.page-hero{padding:48px 0 40px}}

/* герой-компакт с фото 7/5 */
.split{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.split img{border-radius:var(--r-card);box-shadow:var(--shadow-card);width:100%;object-fit:cover}
@media(max-width:1079px){.split{grid-template-columns:1fr;gap:36px}}

/* --- тёмные секции --- */
.dark{background:var(--dark-bg);color:var(--dark-text)}
.dark-deep{background:var(--dark-bg-2)}

/* лента цифр */
.stats{padding:88px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat{position:relative;text-align:center}
.stat+.stat::before{content:"";position:absolute;left:-16px;top:14%;height:72%;width:1px;background:var(--dark-line)}
.stat b{font-family:var(--serif);font-weight:400;font-size:clamp(44px,4.4vw,64px);line-height:1;color:var(--lime);display:block}
.stat span{display:block;margin-top:12px;font-size:14px;color:var(--dark-muted)}
@media(max-width:767px){.stats{padding:56px 0}.stats .wrap{grid-template-columns:1fr 1fr;gap:40px 16px}.stat:nth-child(3)::before{display:none}}

/* --- карточки кейсов --- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-grid .case--wide{grid-column:1/-1;min-height:480px}
@media(max-width:1079px){.case-grid{grid-template-columns:1fr}.case-grid .case--wide{min-height:380px}}
.case{position:relative;border-radius:var(--r-card);overflow:hidden;display:block;min-height:420px;box-shadow:var(--shadow-card)}
.case img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.case:hover img{transform:scale(1.04)}
.case .ov{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;background:linear-gradient(180deg,transparent 40%,rgba(27,40,48,.82) 100%);color:#fff}
.case .chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.case h3{color:#fff}
.case .go{margin-top:12px;font-size:14px;font-weight:700;color:var(--lime);opacity:0;transform:translateY(6px);transition:.3s var(--ease)}
.case:hover .go{opacity:1;transform:none}
@media(max-width:767px){.case{min-height:340px}.case .ov{padding:24px}.case .go{opacity:1;transform:none}}

/* --- принципы: номера вместо иконок --- */
.prin{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.prin .p{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:32px 24px;transition:.3s var(--ease)}
.prin .p:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.prin .n{font-family:var(--serif);font-size:22px;color:var(--green-text);display:block;margin-bottom:14px}
.prin h4{font-size:16px;margin-bottom:8px;line-height:1.35}
.prin p{font-size:14px;color:var(--ink-soft);line-height:1.55}
@media(max-width:1079px){.prin{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.prin{grid-template-columns:1fr}}

/* --- 6 шагов --- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.step{padding:40px 32px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);transition:background .3s}
.step:hover{background:var(--white)}
.step .n{font-family:var(--serif);font-size:56px;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--graphite);opacity:.75;display:block}
.step h4{font-size:18px;margin:18px 0 8px}
.step p{font-size:14.5px;color:var(--ink-soft)}
@media(max-width:1079px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:767px){.steps{grid-template-columns:1fr}.step{padding:28px 24px}}

/* --- директор --- */
.dir-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:center}
.dir-photo{position:relative}
.dir-photo img{border-radius:var(--r-card);width:100%;object-fit:cover;box-shadow:var(--shadow-card);background:var(--white)}
.dir-photo .tag{position:absolute;left:20px;bottom:20px;background:var(--white);border-radius:var(--r-btn);padding:12px 18px;font-weight:700;font-size:14px;box-shadow:var(--shadow-card)}
.dir-photo .tag i{font-style:normal;font-weight:600;color:var(--ink-soft)}
.bigquote{font-family:var(--serif);font-size:clamp(20px,2vw,26px);line-height:1.45;margin:22px 0 30px}
.guar{border-left:3px solid var(--lime);padding:6px 0 6px 22px}
.guar h4{font-size:16.5px;margin-bottom:6px}
.guar p{font-size:14.5px;color:var(--ink-soft)}
@media(max-width:1079px){.dir-grid{grid-template-columns:1fr;gap:40px}}

/* --- ЖК-лента --- */
.jk-strip{display:grid;grid-auto-flow:column;grid-auto-columns:220px;gap:16px;overflow-x:auto;padding-bottom:16px;scroll-snap-type:x mandatory}
.jk-strip::-webkit-scrollbar{height:6px}
.jk-strip::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.jk{scroll-snap-align:start;position:relative;border-radius:var(--r-card);overflow:hidden;height:280px}
.jk img{width:100%;height:100%;object-fit:cover}
.jk span{position:absolute;left:0;right:0;bottom:0;padding:36px 16px 14px;background:linear-gradient(transparent,rgba(27,40,48,.85));color:#fff;font-weight:600;font-size:14px}
/* сетка ЖК на услугах */
.jk-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
@media(max-width:1079px){.jk-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:767px){.jk-grid{grid-template-columns:repeat(2,1fr)}}
.jk-grid .jk{height:200px}

/* --- цены --- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
@media(max-width:1079px){.cards{grid-template-columns:1fr}}
.pcard{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:40px 34px;display:flex;flex-direction:column;transition:.3s var(--ease)}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.pcard .tag{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--green-text)}
.pcard h3{margin:12px 0 20px}
.pcard .price{font-family:var(--serif);font-size:36px;color:var(--graphite)}
.pcard .price small{font-family:var(--sans);font-size:14px;color:var(--ink-soft);font-weight:600}
.pcard .price.tbd{font-size:22px;line-height:1.3}
.pcard ul{list-style:none;margin:24px 0 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.pcard li{font-size:14.5px;display:flex;gap:11px;color:#43555C}
.pcard li::before{content:"—";color:var(--green-text);font-weight:700;flex:none}
.pcard li.no{color:#9AA6A2}
.pcard .btn{width:100%}
.pcard.feat{background:var(--graphite);border-color:var(--graphite);color:#fff}
.pcard.feat .tag{color:var(--lime)}
.pcard.feat .price{color:#fff}
.pcard.feat .price small{color:var(--dark-muted)}
.pcard.feat li{color:#D9E3E0}
.pcard.feat li::before{color:var(--lime)}
.pcard.feat .btn-secondary{color:#fff;border-color:var(--dark-line)}
.pcard.feat .btn-secondary:hover{border-color:var(--lime)}
.note{font-size:13px;color:var(--ink-soft);text-align:center;margin-top:24px}
.note a{color:var(--green-text);font-weight:700}

/* --- отзывы --- */
.rev-head{display:flex;align-items:center;gap:20px;margin-bottom:40px}
.rate{font-family:var(--serif);font-size:56px;line-height:1;color:var(--graphite)}
.stars{color:#E8A93C;font-size:18px;letter-spacing:3px}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1079px){.rev-grid{grid-template-columns:1fr}}
.rev{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:32px 28px}
.rev .who{font-weight:700;font-size:16px}
.rev .dt{font-size:13px;color:var(--ink-soft);margin:4px 0 16px}
.rev p{font-size:15px;line-height:1.6;color:#43555C}

/* --- FAQ --- */
.faq{max-width:760px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:22px 40px 22px 0;font-weight:700;font-size:17px;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-family:var(--serif);font-size:26px;color:var(--green-text);transition:.25s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .a{padding:0 0 24px;color:var(--ink-soft);font-size:15.5px;max-width:640px}

/* --- CTA + форма --- */
.cta .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
@media(max-width:1079px){.cta .wrap{grid-template-columns:1fr;gap:48px}}
.cta h2{margin:18px 0 28px}
.cta-list{display:flex;flex-direction:column;gap:16px;color:var(--dark-muted);font-size:16px}
.cta-list .i{display:flex;gap:14px;align-items:baseline}
.cta-list .i::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);flex:none;transform:translateY(-2px)}
.form-card{background:var(--white);border-radius:var(--r-card);padding:40px;box-shadow:var(--shadow-card);color:var(--ink)}
.form-card h3{margin-bottom:8px}
.form-card .sub{font-size:14px;color:var(--ink-soft);margin-bottom:28px}
.form-card input{width:100%;font-family:var(--sans);font-size:16px;color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:var(--r-btn);padding:16px 18px;margin-bottom:14px;transition:.2s}
.form-card input::placeholder{color:var(--ink-soft)}
.form-card input:focus{outline:0;border-color:var(--graphite);box-shadow:0 0 0 3px rgba(51,75,88,.15)}
.form-card .btn{width:100%;margin-top:6px}
.hp{position:absolute!important;left:-9999px!important;opacity:0;height:0;overflow:hidden}
.pp{font-size:13px;color:var(--ink-soft);margin-top:16px}
.pp a{text-decoration:underline}
.form-msg{margin-top:14px;font-size:15px;display:none}
.form-msg.ok{display:block;color:var(--green-text);font-weight:600}
.form-msg.err{display:block;color:#C0392B;font-weight:600}
@media(max-width:767px){.form-card{padding:28px 22px}}

/* --- шаблон кейса --- */
.case-hero{position:relative;overflow:hidden}
.case-hero img{width:100%;height:min(62vh,560px);object-fit:cover;display:block}
.case-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,40,48,.10) 40%,rgba(27,40,48,.72) 100%)}
.case-hero .over{position:absolute;left:0;right:0;bottom:0;z-index:2;color:#fff;padding-bottom:40px}
.case-hero h1{font-size:clamp(30px,4vw,52px);max-width:860px;margin-top:14px}
.case-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:36px 0;border-bottom:1px solid var(--line)}
.case-meta .m span{display:block;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:6px}
.case-meta .m b{font-size:17px}
@media(max-width:767px){.case-meta{grid-template-columns:1fr 1fr;gap:20px}}
.route{display:flex;gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--white);flex-wrap:wrap}
.route .r{flex:1;min-width:140px;padding:24px 20px;border-right:1px solid var(--line);font-weight:600;font-size:15px;display:flex;align-items:center;gap:14px}
.route .r:last-child{border-right:0}
.route b{font-family:var(--serif);font-weight:400;font-size:26px;color:var(--green-text)}
@media(max-width:767px){.route .r{border-right:0;border-bottom:1px solid var(--line)}.route .r:last-child{border-bottom:0}}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery img{width:100%;height:300px;object-fit:cover;border-radius:var(--r-card)}
.gallery img.tall{grid-row:span 2;height:616px}
@media(max-width:1079px){.gallery{grid-template-columns:1fr 1fr}.gallery img{height:260px}.gallery img.tall{height:536px}}
@media(max-width:767px){.gallery{grid-template-columns:1fr}.gallery img{height:280px}.gallery img.tall{grid-row:auto;height:420px}}
.next-case{display:block;margin-top:0}

/* --- контакты --- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
@media(max-width:1079px){.contact-grid{grid-template-columns:1fr}}
.c-list{display:flex;flex-direction:column;gap:26px}
.c-list .c span{display:block;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:6px}
.c-list .c a,.c-list .c b{font-size:19px;font-weight:700;color:var(--graphite)}
.c-list .c a:hover{color:var(--green-text)}
.c-list .soc{display:flex;gap:12px;flex-wrap:wrap}
.c-list .soc a{font-size:14px;font-weight:700;border:1.5px solid var(--line);border-radius:999px;padding:10px 20px;transition:.2s}
.c-list .soc a:hover{border-color:var(--graphite)}
.map{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--line)}
.map iframe{display:block;width:100%;height:420px;border:0}

/* --- реквизиты --- */
.req{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:36px 32px;font-size:15px;line-height:1.8;color:#43555C}
.req b{color:var(--graphite)}

/* --- футер --- */
footer{background:var(--dark-bg-2);color:var(--dark-muted)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr 1fr;gap:40px;padding:72px 0 48px}
@media(max-width:1079px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:767px){.foot-grid{grid-template-columns:1fr;gap:32px;padding:56px 0 36px}}
.foot-grid h4{color:var(--dark-text);font-size:14px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px}
.foot-grid a{display:block;font-size:15px;padding:5px 0;transition:.2s}
.foot-grid a:hover{color:var(--lime)}
.foot-grid p{font-size:14px;line-height:1.7}
.foot-req{margin-top:16px;font-size:12.5px;line-height:1.7;color:#7A8B92}
.foot-bot{border-top:1px solid var(--dark-line);padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px}
.foot-bot a:hover{color:var(--lime)}

/* --- появление при прокрутке --- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .case img,.btn{transition:none}
  html{scroll-behavior:auto}
}