/* ============================================================
   СТИЛИ САЙТА НЕЗАВИСИМОГО СОПРОВОЖДЕНИЯ НЕДВИЖИМОСТИ
   Палитра: светлый бетон / графит / янтарь (каска)
   ============================================================ */
:root{
  --concrete:#F2F3F1;      /* фон */
  --graphite:#1B1F24;      /* тёмный текст и тёмные секции */
  --graphite-2:#2A3038;    /* карточки на тёмном */
  --amber:#1B1F24;         /* акцент → монохром-графит (без оранжевого) */
  --amber-dark:#33383F;    /* ховер/светлее */
  --line:#C9CCC7;          /* чертёжные линии */
  --muted:#5E6660;         /* вторичный текст */
  --white:#FFFFFF;
  --radius:10px;
  --container:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:'Manrope',system-ui,-apple-system,sans-serif;
  background:var(--concrete);
  color:var(--graphite);
  line-height:1.6;
  font-size:17px;
}
h1,h2,h3,.display{
  font-family:'Oswald',Impact,sans-serif;
  text-transform:uppercase;
  letter-spacing:.02em;
  line-height:1.15;
  font-weight:600;
}
h1{font-size:clamp(2rem,5vw,3.4rem)}
h2{font-size:clamp(1.5rem,3.5vw,2.3rem);margin-bottom:.5em}
h3{font-size:1.15rem;font-weight:500}
.mono{font-family:'JetBrains Mono',monospace;font-size:.8rem;letter-spacing:.03em}
a{color:inherit}
img{max-width:100%;display:block}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
section{padding:72px 0}
.section-label{
  font-family:'JetBrains Mono',monospace;
  font-size:.75rem;color:var(--graphite);
  letter-spacing:.15em;text-transform:uppercase;
  display:block;margin-bottom:10px;
}
.section-label::before{content:""}

/* ---------- Кнопки ---------- */
.btn{
  display:inline-block;padding:15px 30px;border-radius:var(--radius);
  font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.05em;
  font-size:.95rem;text-decoration:none;border:none;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.btn-primary{background:var(--amber);color:var(--white);box-shadow:0 6px 18px rgba(27,31,36,.22)}
.btn-primary:hover{background:var(--amber-dark)}
.btn-outline{background:transparent;color:var(--graphite);border:2px solid var(--graphite)}
.btn-outline.on-dark{color:var(--white);border-color:var(--white)}

/* ---------- Шапка ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(242,243,241,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:clamp(22px,3vw,46px);height:72px;max-width:none;
  padding:0 clamp(24px,4vw,56px)
}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:'Oswald',sans-serif;font-size:1.08rem;text-transform:uppercase;text-decoration:none;font-weight:600;letter-spacing:.02em;flex-shrink:0}
.logo b{color:var(--graphite)}
.logo-mark{width:38px;height:38px;flex-shrink:0;display:block}
nav.main-nav{display:flex;justify-content:flex-start;gap:clamp(16px,1.6vw,26px);flex-wrap:nowrap}
.header-actions{margin-left:auto}
nav.main-nav a{text-decoration:none;font-size:.86rem;font-weight:600;color:var(--graphite);padding:4px 0;border-bottom:2px solid transparent;white-space:nowrap}
nav.main-nav a:hover,nav.main-nav a[aria-current="page"]{border-bottom-color:var(--amber)}
.header-phone{font-family:'Oswald',sans-serif;font-size:1rem;text-decoration:none;white-space:nowrap}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--graphite);margin:5px 0}

/* ---------- Hero ---------- */
.hero{
  padding:56px 0 80px;
  background:
    linear-gradient(rgba(242,243,241,.6),rgba(242,243,241,.6)),
    repeating-linear-gradient(0deg,transparent,transparent 39px,var(--line) 40px),
    repeating-linear-gradient(90deg,transparent,transparent 39px,var(--line) 40px);
}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center}
.hero h1 b{color:var(--graphite)}
.hero-sub{font-size:1.15rem;margin:20px 0 28px;max-width:520px;color:var(--muted)}
.hero-points{list-style:none;margin:0 0 32px;display:grid;gap:10px}
.hero-points li{padding-left:28px;position:relative;font-weight:600}
.hero-points li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;
  background:var(--amber);clip-path:polygon(0 40%,40% 40%,40% 0,60% 0,60% 40%,100% 40%,100% 60%,60% 60%,60% 100%,40% 100%,40% 60%,0 60%);
}

/* ---------- Форма-карточка ---------- */
.lead-card{
  background:var(--white);border-radius:var(--radius);
  padding:32px 28px;box-shadow:0 20px 50px rgba(27,31,36,.12);
  border-top:5px solid var(--amber);
}
.lead-card h3{margin-bottom:6px;font-size:1.35rem;font-weight:600}
.lead-card p{font-size:.9rem;color:var(--muted);margin-bottom:18px}
.lead-card label{display:block;font-size:.8rem;font-weight:700;margin:14px 0 5px;text-transform:uppercase;letter-spacing:.05em}
.lead-card input[type=text],.lead-card input[type=tel],.lead-card select,.lead-card textarea{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:8px;
  font:inherit;background:var(--concrete);
}
.lead-card input:focus,.lead-card select:focus,.lead-card textarea:focus{outline:2px solid var(--amber);border-color:var(--amber)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.78rem;color:var(--muted);margin:16px 0}
.consent input{margin-top:3px;accent-color:var(--amber-dark);width:16px;height:16px;flex-shrink:0}
.consent a{color:var(--graphite)}
.lead-card .btn{width:100%;text-align:center}
.form-status{font-size:.85rem;margin-top:12px;display:none}
.form-status.ok{display:block;color:#2E7D32}
.form-status.err{display:block;color:#C62828}

/* ---------- Размерные линии (фирменный элемент) ---------- */
.dim{
  font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--muted);
  display:flex;align-items:center;gap:8px;margin-top:14px;
}
.dim::before,.dim::after{
  content:"";flex:1;height:1px;background:var(--muted);position:relative;
}
.dim::before{box-shadow:-1px -3px 0 0 var(--muted),-1px 3px 0 0 var(--muted)}
.dim::after{box-shadow:1px -3px 0 0 var(--muted),1px 3px 0 0 var(--muted)}

/* ---------- Преимущества ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv-card{background:var(--white);border-radius:var(--radius);padding:28px;border:1px solid var(--line)}
.adv-card .num{font-family:'JetBrains Mono',monospace;color:var(--graphite);font-size:.8rem}
.adv-card h3{margin:10px 0 8px}
.adv-card p{font-size:.92rem;color:var(--muted)}

/* ---------- Этапы ---------- */
.dark-section{background:var(--graphite);color:var(--white)}
.dark-section .section-label{color:var(--white)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{background:var(--graphite-2);border-radius:var(--radius);padding:22px 18px;position:relative;counter-increment:step}
.step::before{
  content:"0" counter(step);
  font-family:'JetBrains Mono',monospace;color:var(--white);font-size:.85rem;
}
.step h3{margin:8px 0 6px;font-size:1rem;color:var(--white)}
.step p{font-size:.85rem;color:#B8BDC4}

/* ---------- Проекты ---------- */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.project-card{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.project-card img,.project-card svg{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--concrete)}
.project-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--concrete);cursor:pointer}
.project-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.project-media .plan{opacity:0;transition:opacity .35s ease}
.project-media:hover .plan,.project-media.show-plan .plan{opacity:1}
.media-hint{
  position:absolute;right:10px;bottom:10px;z-index:2;
  font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--white);background:rgba(27,31,36,.72);padding:5px 10px;border-radius:6px;
  pointer-events:none;transition:opacity .25s ease;
}
.media-hint::before{content:"⇄ "}
.project-media:hover .media-hint,.project-media.show-plan .media-hint{opacity:0}
.project-body{padding:22px;flex:1;display:flex;flex-direction:column}
.project-body h3{font-size:1.1rem}
.project-specs{font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--muted);margin:8px 0 4px;display:flex;flex-wrap:wrap;gap:6px 14px}
.project-price{font-family:'Oswald',sans-serif;font-size:1.25rem;margin-top:auto;padding-top:14px}
.project-price small{font-size:.7rem;color:var(--muted);display:block;font-family:'Manrope',sans-serif;text-transform:none;font-weight:400}
.project-desc{font-size:.9rem;color:var(--muted);margin-top:12px}

/* ---------- Отзывы ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:var(--white);border-radius:var(--radius);padding:26px;border-left:4px solid var(--amber)}
.review p{font-size:.95rem;font-style:italic}
.review-person{display:flex;align-items:center;gap:12px;margin-top:18px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:var(--concrete);border:1px solid var(--line);display:grid;place-items:center;flex:0 0 40px}
.review-avatar svg{width:29px;height:29px;fill:none;stroke:var(--graphite);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.review-avatar-pair svg{width:32px;height:32px}
.review .who{font-weight:700;font-style:normal;font-size:.85rem}
.review .who span{color:var(--muted);font-weight:400;display:block}

/* ---------- FAQ ---------- */
details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px}
summary{padding:18px 22px;cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";font-family:'Oswald',sans-serif;color:var(--graphite);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details .answer{padding:0 22px 18px;color:var(--muted);font-size:.95rem}

/* ---------- CTA-полоса ---------- */
.cta-band{background:var(--graphite);padding:56px 0}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{margin:0;color:var(--white)}
.cta-band .btn{background:var(--white);color:var(--graphite)}
.cta-band .btn:hover{background:#E7E9E6}

/* ---------- Контакты ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-list{list-style:none;display:grid;gap:16px;margin-top:20px}
.contact-list b{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.contact-list a{font-family:'Oswald',sans-serif;font-size:1.2rem;text-decoration:none}

/* ---------- Документы (оферта, политика) ---------- */
.doc{max-width:820px;margin:0 auto;background:var(--white);padding:48px;border-radius:var(--radius);border:1px solid var(--line)}
.doc h1{font-size:1.7rem;margin-bottom:24px}
.doc h2{font-size:1.15rem;margin:28px 0 10px}
.doc p,.doc li{font-size:.95rem;margin-bottom:10px;color:#333}
.doc ul,.doc ol{padding-left:22px}

/* ---------- Сравнение форматов работы ---------- */
.comparison-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.comparison-scroll:focus-visible{outline:3px solid rgba(27,31,36,.25);outline-offset:3px}
.service-comparison{width:100%;min-width:860px;border-collapse:collapse;text-align:left}
.service-comparison th,.service-comparison td{padding:18px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:top;font-size:.9rem}
.service-comparison th:last-child,.service-comparison td:last-child{border-right:0}
.service-comparison tbody tr:last-child th,.service-comparison tbody tr:last-child td{border-bottom:0}
.service-comparison thead th{background:var(--graphite);color:var(--white);font-family:'Oswald',sans-serif;font-size:1rem;font-weight:500}
.service-comparison thead th:last-child{background:var(--amber-dark)}
.service-comparison tbody th{font-family:'JetBrains Mono',monospace;font-size:.76rem;letter-spacing:.02em;background:var(--concrete);width:17%}
.service-comparison tbody td:last-child{font-weight:600;background:#F8F6F0}

/* ---------- Подвал ---------- */
footer{background:var(--graphite);color:#B8BDC4;padding:48px 0 32px;font-size:.88rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:28px}
footer a{color:#E3E6E9;text-decoration:none}
footer a:hover{color:var(--amber)}
footer .logo{color:var(--white)}
.footer-legal{border-top:1px solid #3A414B;padding-top:20px;font-size:.78rem;color:#8A919B}
.footer-links{display:grid;gap:8px}

/* ---------- Плавающая кнопка звонка (моб.) ---------- */
.call-fab{
  display:none;position:fixed;bottom:16px;left:16px;right:16px;z-index:99;
  text-align:center;padding:16px;border-radius:12px;
  background:var(--graphite);color:var(--white);
  font-family:'Oswald',sans-serif;text-transform:uppercase;font-size:1rem;
  text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.35);
}

/* ---------- Адаптив ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3,.projects,.reviews{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid,.footer-grid{grid-template-columns:1fr}
}
/* меню не помещается в одну строку раньше 1080px → сворачиваем в бургер,
   чтобы на десктопе всегда была ровная одна строка, а ниже — аккуратное меню */
@media (max-width:1320px){
  .header-inner{display:flex;gap:22px;height:68px;padding:0 26px}
  nav.main-nav{
    display:none;position:absolute;top:68px;left:0;right:0;
    margin-right:0;
    background:var(--white);flex-direction:column;gap:0;
    border-bottom:1px solid var(--line);
  }
  nav.main-nav.open{display:flex}
  nav.main-nav a{padding:16px 20px;border-bottom:1px solid var(--line);white-space:normal}
  .burger{display:block}
  .header-actions{margin-left:auto}
}
@media (max-width:680px){
  section{padding:52px 0}
  .header-phone{display:none} /* на мобильном звонок закрывает липкая кнопка снизу */
  .header-inner{padding:0 16px;gap:12px}
  .logo{font-size:1rem}
  .logo-mark{width:34px;height:34px}
  .grid-3,.projects,.reviews,.steps{grid-template-columns:1fr}
  .call-fab{display:block}
  body{padding-bottom:76px}
  .doc{padding:28px 20px}
}

/* ---------- Полоса цифр ---------- */
.stats-band{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat b{font-family:'Oswald',sans-serif;font-size:2.4rem;font-weight:600;display:block;line-height:1.1}
.stat b i{color:var(--graphite);font-style:normal}
.stat span{font-size:.85rem;color:var(--muted)}

/* ---------- Технологии ---------- */
.tech-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.tech-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(27,31,36,.12)}
.tech-card .tech-head{background:var(--graphite);color:var(--white);padding:18px 22px;display:flex;justify-content:space-between;align-items:baseline}
.tech-card .tech-head h3{color:var(--white)}
.tech-card .tech-head .mono{color:var(--white)}
.tech-card .tech-body{padding:20px 22px;flex:1}
.tech-card ul{list-style:none;display:grid;gap:8px;margin-top:10px}
.tech-card ul li{padding-left:20px;position:relative;font-size:.9rem;color:var(--muted)}
.tech-card ul li::before{content:"—";position:absolute;left:0;color:var(--graphite)}
.tech-card .tech-foot{padding:0 22px 20px;font-family:'Oswald',sans-serif;font-size:1.05rem}

/* ---------- Карточки: ховеры ---------- */
.project-card,.adv-card,.review{transition:transform .2s ease,box-shadow .2s ease}
.project-card:hover,.adv-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(27,31,36,.10)}

/* ---------- Появление при скролле ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- Гарантия-плашка ---------- */
.guarantee{display:flex;gap:22px;align-items:center;background:var(--white);border:2px dashed var(--amber-dark);border-radius:var(--radius);padding:26px 28px;margin-top:36px}
.guarantee svg{flex-shrink:0}
.guarantee p{font-size:.95rem;color:var(--muted)}
.guarantee b{display:block;font-family:'Oswald',sans-serif;font-size:1.2rem;text-transform:uppercase;color:var(--graphite);margin-bottom:4px}
@media (max-width:680px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .guarantee{flex-direction:column;text-align:center}
}