/* ============================================================
   СТИЛИ САЙТА — Строительство деревянных домов под ключ
   Общий файл всех страниц. Премиальный минималистичный стиль.
   ============================================================ */

/* ---------- Переменные и база ---------- */
:root{
  --beige:#f3ede3;        /* бежевый фон */
  --cream:#faf7f1;        /* светло-кремовый */
  --wood:#8a5a33;         /* тёмное дерево (акцент) */
  --wood-dark:#6f471f;
  --graphite:#2b2b28;     /* графитовый */
  --graphite-soft:#3d3d38;
  --white:#ffffff;
  --line:#e3dacb;
  --text:#4a463f;
  --radius:14px;
  --shadow:0 18px 50px rgba(43,43,40,.10);
  --transition:.35s cubic-bezier(.19,1,.22,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Georgia','Times New Roman',serif;
  color:var(--graphite);
  background:var(--cream);
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{width:min(1200px,92%);margin:0 auto}

/* ---------- Типографика ---------- */
h1,h2,h3,h4{font-weight:400;line-height:1.15;letter-spacing:-.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:'Helvetica Neue',Arial,sans-serif;
  font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--wood);margin-bottom:18px;
}
.eyebrow::after{content:"";width:44px;height:1px;background:var(--wood)}
.section{padding:110px 0}
.section-head{max-width:680px;margin-bottom:64px}
.section-head h2{font-size:clamp(32px,4.5vw,52px)}
.section-head p{margin-top:18px;color:var(--text);font-size:18px}

/* ---------- Кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:17px 34px;border-radius:999px;
  font-family:'Helvetica Neue',Arial,sans-serif;
  font-size:14px;letter-spacing:.05em;font-weight:500;
  cursor:pointer;border:none;transition:var(--transition);
}
.btn-solid{background:var(--wood);color:#fff}
.btn-solid:hover{background:var(--wood-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(138,90,51,.3)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--graphite)}
.btn-dark{background:var(--graphite);color:#fff}
.btn-dark:hover{background:var(--wood);transform:translateY(-2px)}

/* ---------- Навигация / хедер ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s, box-shadow .4s, backdrop-filter .4s;
  padding:22px 0;
}
.site-header.scrolled{
  background:rgba(250,247,241,.92);
  backdrop-filter:blur(12px);
  padding:14px 0;box-shadow:0 4px 30px rgba(43,43,40,.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{font-size:24px;font-weight:700;letter-spacing:.5px;color:#fff}
.logo span{color:var(--wood);font-weight:400}
.site-header.scrolled .logo{color:var(--graphite)}
.main-nav{display:flex;gap:38px}
.main-nav a{
  font-family:'Helvetica Neue',Arial,sans-serif;
  font-size:14px;letter-spacing:.04em;color:#fff;position:relative;padding:4px 0;
}
.site-header.scrolled .main-nav a{color:var(--graphite)}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--wood);transition:width .3s;
}
.main-nav a:hover::after{width:100%}
.header-cta{display:flex;align-items:center;gap:18px}
.nav-burger{display:none;background:none;border:none;cursor:pointer;width:32px;height:22px;position:relative}
.nav-burger span{position:absolute;left:0;width:100%;height:2px;background:#fff;transition:var(--transition)}
.nav-burger span:nth-child(1){top:0}
.nav-burger span:nth-child(2){top:10px}
.nav-burger span:nth-child(3){top:20px}
.site-header.scrolled .nav-burger span{background:var(--graphite)}
.nav-burger.open span:nth-child(1){top:10px;transform:rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){top:10px;transform:rotate(-45deg)}

/* Мобильное меню */
.mobile-menu{
  position:fixed;inset:0;background:var(--graphite);z-index:99;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;
  transform:translateY(-100%);transition:transform .5s cubic-bezier(.19,1,.22,1);
}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{color:#fff;font-size:24px;letter-spacing:.03em}

/* ---------- Hero (главный экран) ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px 0 0;color:#fff;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2}
.hero-bg::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,25,22,.45),rgba(26,25,22,.6))}
.hero-content{max-width:760px;padding-bottom:120px}
.hero-content h1{font-size:clamp(40px,6.5vw,84px);margin-bottom:26px;color:#fff}
.hero-content p{font-size:clamp(17px,2vw,21px);color:rgba(255,255,255,.9);max-width:560px;margin-bottom:40px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:30px;
  font-family:'Helvetica Neue',Arial,sans-serif;font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:rgba(255,255,255,.85);
}
.hero-badge::before{content:"";width:34px;height:1px;background:#fff}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap}
.hero-scroll{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  color:rgba(255,255,255,.7);font-family:'Helvetica Neue',Arial,sans-serif;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:10px;
}
.hero-scroll::after{content:"";width:1px;height:44px;background:rgba(255,255,255,.5)}

/* ---------- Карточки / сетки ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}

.card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  transition:var(--transition);border:1px solid transparent;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line,#efece4)}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--beige)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.card:hover .card-img img{transform:scale(1.06)}
.card-body{padding:26px}
.card h3{font-size:20px;margin-bottom:8px}
.card-tag{
  font-family:'Helvetica Neue',Arial,sans-serif;font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--wood);margin-bottom:14px;display:block;
}
.card p{color:var(--text);font-size:15px}

.feature{
  text-align:center;padding:40px 26px;background:#fff;border-radius:var(--radius);
  transition:var(--transition);
}
.feature:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.feature-num{
  width:64px;height:64px;margin:0 auto 22px;border-radius:50%;
  background:var(--beige);display:flex;align-items:center;justify-content:center;
  font-family:'Helvetica Neue',Arial,sans-serif;font-size:22px;color:var(--wood);
}
.feature h3{font-size:20px;margin-bottom:10px}
.feature p{color:var(--text);font-size:15px}

/* ---------- Преимущества ---------- */
.benefits{padding:110px 0;background:var(--beige)}

/* ---------- Проекты / галерея ---------- */
.projects,.gallery{background:var(--cream)}
.project-filter{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.project-filter button{
  font-family:'Helvetica Neue',Arial,sans-serif;font-size:13px;letter-spacing:.03em;
  padding:10px 22px;border-radius:999px;border:1px solid var(--gray);
  background:transparent;cursor:pointer;color:var(--text);transition:var(--transition);
}
.project-filter button.active,.project-filter button:hover{background:var(--graphite);color:#fff;border-color:var(--graphite)}
.stats-list{color:var(--text);font-size:15px}
.stats-list li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--gray)}
.stats-list li b{color:var(--graphite)}

/* ---------- Как мы работаем ---------- */
.steps{position:relative}
.step{display:flex;gap:34px;padding:34px 0;border-bottom:1px solid var(--gray)}
.step-num{
  font-family:'Helvetica Neue',Arial,sans-serif;font-size:60px;color:var(--wood);
  line-height:1;flex-shrink:0;
}
.step:nth-child(even) .step-num{color:rgba(138,90,51,.35)}
.step h3{font-size:24px;margin-bottom:10px}
.step p{color:var(--text);max-width:640px}

/* ---------- Отзывы ---------- */
.testimonials{background:var(--graphite);color:#fff}
.testimonials .section-head h2{color:#fff}
.testimonials .eyebrow{color:var(--wood)}
.testimonial{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);padding:40px;transition:var(--transition);
}
.testimonial:hover{background:rgba(255,255,255,.08)}
.testimonial p{font-size:17px;font-style:italic;margin-bottom:24px}
.testimonial .author{display:flex;align-items:center;gap:14px}
.author-avatar{width:48px;height:48px;border-radius:50%;background:var(--wood);display:flex;align-items:center;justify-content:center;font-family:'Helvetica Neue',Arial,sans-serif;font-weight:600;color:#fff}
.author .name{font-family:'Helvetica Neue',Arial,sans-serif;font-size:14px}
.author .role{font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- Контакты / CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--wood-dark),var(--wood));
  color:#fff;text-align:center;padding:90px 20px;
}
.cta-band h2{font-size:clamp(30px,4.5vw,50px);color:#fff;margin-bottom:20px}
.cta-band p{max-width:560px;margin:0 auto 38px;color:rgba(255,255,255,.9)}

/* ---------- О компании ---------- */
.about-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.about-intro .media{position:relative}
.about-intro .media img{border-radius:var(--radius)}
.badge-float{
  position:absolute;bottom:-24px;left:-24px;background:var(--graphite);color:#fff;
  padding:22px 26px;border-radius:var(--radius);font-size:14px;
}
.badge-float b{display:block;font-size:30px;color:var(--wood)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:90px}
.stat{text-align:center;padding:34px 20px;background:#fff;border-radius:var(--radius)}
.stat b{font-size:44px;color:var(--wood);font-weight:400}
.stat span{font-family:'Helvetica Neue',Arial,sans-serif;font-size:13px;color:var(--text);letter-spacing:.06em;text-transform:uppercase}

/* ---------- Контакты ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-list li{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--gray)}
.contact-list .ico{width:46px;height:46px;flex-shrink:0;border-radius:50%;background:var(--beige);display:flex;align-items:center;justify-content:center;font-family:'Helvetica Neue',Arial,sans-serif;color:var(--wood)}
.contact-list h4{font-size:14px;font-family:'Helvetica Neue',Arial,sans-serif;letter-spacing:.05em;text-transform:uppercase;color:var(--text);margin-bottom:6px}
.contact-list p{font-size:18px}
.map-placeholder{
  height:360px;border-radius:var(--radius);background:var(--beige);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--text);border:1px solid var(--gray);
}
.map-placeholder b{font-size:20px;color:var(--wood)}

/* ---------- Соцсети ---------- */
.socials{display:flex;gap:14px}
.socials a{
  width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.12);font-family:'Helvetica Neue',Arial,sans-serif;
  font-size:13px;color:#fff;border:1px solid rgba(255,255,255,.25);transition:var(--transition);
}
.socials a:hover{background:#fff;color:var(--graphite)}
.socials.dark a{background:var(--beige);color:var(--wood);border-color:var(--gray)}
.socials.dark a:hover{background:var(--wood);color:#fff}

/* ---------- Футер ---------- */
.site-footer{background:var(--graphite);color:rgba(255,255,255,.75);padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:44px;margin-bottom:50px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:20px;font-family:'Helvetica Neue',Arial,sans-serif;letter-spacing:.04em}
.footer-grid a{display:block;padding:6px 0;font-size:15px;transition:color .3s}
.footer-grid a:hover{color:var(--wood)}
.footer-brand{font-size:28px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-brand span{color:var(--wood)}
.footer-note{font-size:14px;line-height:1.8;max-width:300px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:28px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{transition:color .3s}
.footer-bottom a:hover{color:#fff}
.legal-links{display:flex;gap:22px;flex-wrap:wrap}

/* ---------- Cookie / модалки ---------- */
.cookie-banner{
  position:fixed;bottom:22px;left:22px;right:22px;max-width:720px;
  background:var(--graphite);color:#fff;border-radius:var(--radius);
  padding:24px 26px;display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  box-shadow:0 20px 60px rgba(0,0,0,.35);z-index:200;transform:translateY(140%);
  transition:transform .5s cubic-bezier(.19,1,.22,1);
}
.cookie-banner.show{transform:translateY(0)}
.cookie-banner p{flex:1;min-width:220px;font-size:14px;color:rgba(255,255,255,.85)}
.cookie-banner p a{color:var(--wood);text-decoration:underline}
.modal{
  position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;
  padding:20px;background:rgba(26,25,22,.6);backdrop-filter:blur(4px);
}
.modal.open{display:flex}
.modal-box{
  background:#fff;border-radius:var(--radius);max-width:680px;width:100%;
  max-height:85vh;overflow-y:auto;padding:50px 46px;position:relative;
  animation:modalIn .4s cubic-bezier(.19,1,.22,1);
}
.modal-box h2{font-size:30px;margin-bottom:22px}
.modal-box p{margin-bottom:18px;color:var(--text);font-size:15px}
.modal-close{
  position:absolute;top:18px;right:18px;width:40px;height:40px;border-radius:50%;
  background:var(--beige);border:none;cursor:pointer;font-size:18px;color:var(--graphite);
  transition:var(--transition);
}
.modal-close:hover{background:var(--wood);color:#fff}
@keyframes h3{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s,transform .7s}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ---------- Адаптивность ---------- */
@media (max-width:992px){
  .main-nav{display:none}
  .header-cta .btn{display:none}
  .nav-burger{display:block}
  .grid-3{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .about-intro,.contact-grid{grid-template-columns:1fr;gap:48px}
  .stat-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .section{padding:80px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .steps{ }
  .step-num{font-size:42px}
  .hero-content h1{font-size:36px}
  .hero-badge{ }
  .hero-actions{flex-direction:column}
  .hero-actions .btn{justify-content:center}
  .modal-box{padding:36px 24px}
}