*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--yellow:#F5C800;--yellow-d:#D4AA00;--black:#1A1A1A;--white:#fff;--gray:#F7F7F7;--gray2:#E8E8E8;--text:#2D2D2D;--muted:#666;--radius:6px;--shadow:0 4px 24px rgba(0,0,0,.08)}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',sans-serif;color:var(--text);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--radius);font-weight:700;font-size:14px;cursor:pointer;border:none;transition:all .2s;font-family:inherit;letter-spacing:.02em}
.btn--yellow{background:var(--yellow);color:var(--black)}
.btn--yellow:hover{background:var(--yellow-d);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,200,0,.35)}
.btn--outline{background:transparent;color:var(--black);border:2px solid var(--black)}
.btn--outline:hover{background:var(--black);color:#fff}
.btn--black{background:var(--black);color:#fff}
.btn--black:hover{background:#333}
.btn--full{width:100%}
.btn--lg{padding:16px 32px;font-size:15px}
.link-arrow{color:var(--black);font-weight:600;font-size:13px;border-bottom:2px solid var(--yellow);padding-bottom:2px;display:inline-block}

/* HEADER */
.header{background:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.07);transition:box-shadow .3s}
.header__inner{display:flex;align-items:center;gap:20px;padding:14px 24px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.06em;flex-shrink:0}
.nav{display:flex;gap:6px;margin-left:20px}
.nav a{padding:7px 14px;border-radius:var(--radius);font-size:13px;font-weight:600;color:var(--muted);transition:all .2s}
.nav a:hover{color:var(--black);background:var(--gray)}
.header__right{display:flex;align-items:center;gap:16px;margin-left:auto}
.header__phone-wrap{text-align:right}
.header__city{font-size:11px;color:var(--muted)}
.header__phone{font-weight:800;font-size:17px;color:var(--black)}
.header__phone:hover{color:var(--yellow-d)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--black);border-radius:2px;transition:all .3s}
.mobile-nav{display:none;flex-direction:column;gap:4px;padding:12px 24px 16px;border-top:1px solid var(--gray2)}
.mobile-nav a{padding:10px 14px;font-weight:600;font-size:14px;border-radius:var(--radius)}
.mobile-nav a:hover{background:var(--gray)}
.mobile-nav .btn{margin-top:8px}

/* HERO */
.hero{background:#fff;overflow:hidden}
.hero__inner{display:grid;grid-template-columns:1fr 1fr;min-height:580px;gap:0}
.hero__text{padding:70px 48px 70px 0;display:flex;flex-direction:column;justify-content:center;gap:20px}
.hero__badge{display:inline-flex;align-items:center;gap:6px;background:rgba(245,200,0,.15);border:1px solid rgba(245,200,0,.4);border-radius:100px;padding:5px 14px;font-size:11px;font-weight:700;color:#7A6300;letter-spacing:.05em;text-transform:uppercase;width:fit-content}
.hero__text h1{font-size:clamp(28px,3.5vw,46px);font-weight:800;line-height:1.1;letter-spacing:-.02em}
.hero__text h1 em{font-style:normal;color:var(--black);text-decoration:underline;text-decoration-color:var(--yellow);text-underline-offset:6px}
.hero__sub{color:var(--muted);font-size:15px}
.hero__features{list-style:none;display:flex;flex-direction:column;gap:14px}
.hero__features li{display:flex;align-items:flex-start;gap:14px;font-size:14px}
.feat-icon{width:40px;height:40px;border:2.5px solid var(--yellow);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;background:#fff}
.hero__cta-group{display:flex;gap:12px;flex-wrap:wrap}
.hero__image{position:relative;overflow:hidden}
.hero__image img{width:100%;height:100%;object-fit:cover}
.hero__badge-float{position:absolute;bottom:32px;left:24px;background:#fff;border-radius:var(--radius);padding:14px 20px;box-shadow:var(--shadow);text-align:center;border-left:4px solid var(--yellow)}
.hero__badge-float strong{display:block;font-size:28px;font-weight:800;color:var(--black)}
.hero__badge-float span{font-size:12px;color:var(--muted)}

/* STATS */
.section-stats{background:var(--black);padding:32px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{text-align:center;padding:20px;border-right:1px solid rgba(255,255,255,.1)}
.stat-item:last-child{border-right:none}
.stat-item strong{display:block;font-size:clamp(28px,3vw,40px);font-weight:800;color:var(--yellow)}
.stat-item span{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}

/* SECTION COMMON */
.section-head{text-align:center;margin-bottom:48px}
.section-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.15em;color:var(--muted);margin-bottom:12px}
.section-title{font-size:clamp(22px,3vw,36px);font-weight:800;line-height:1.2;letter-spacing:-.01em;margin-bottom:12px}
.section-sub{color:var(--muted);font-size:15px}

/* OFFER SECTION */
.section-offer{background:var(--gray);padding:80px 0;border-top:5px solid var(--yellow)}
.section-offer__inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.section-offer__text h2{font-size:clamp(22px,2.8vw,32px);font-weight:800;margin-bottom:16px;line-height:1.25}
.section-offer__text p{color:var(--muted);margin-bottom:24px}
.offer-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.offer-list li{font-size:14px;font-weight:600;color:var(--text)}

/* CARD */
.card{background:#fff;border-radius:12px;padding:36px;box-shadow:var(--shadow)}
.card-sub{color:var(--muted);font-size:14px;margin-bottom:20px}

/* FORMS */
.form{display:flex;flex-direction:column;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.form input{padding:13px 16px;border:1.5px solid var(--gray2);border-radius:var(--radius);font-family:inherit;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s;background:#fff}
.form input:focus{border-color:var(--yellow);box-shadow:0 0 0 3px rgba(245,200,0,.15)}
.form-note{font-size:12px;color:var(--muted);text-align:center;line-height:1.6}
.form-note a{color:var(--black);font-weight:700}
.form-msg{font-size:13px;font-weight:600;text-align:center;padding:10px;border-radius:var(--radius);display:none}
.form-msg.ok{background:#d4edda;color:#155724;display:block}
.form-msg.err{background:#f8d7da;color:#721c24;display:block}

/* PORTFOLIO */
.section-portfolio{padding:80px 0;background:#fff}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.portfolio-item{position:relative;overflow:hidden;border-radius:var(--radius);cursor:pointer;aspect-ratio:4/3}
.portfolio-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.portfolio-item:hover img{transform:scale(1.06)}
.portfolio-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.7) 0%,transparent 60%);display:flex;align-items:flex-end;padding:20px;opacity:0;transition:opacity .3s}
.portfolio-item:hover .portfolio-overlay{opacity:1}
.portfolio-overlay span{color:#fff;font-weight:700;font-size:13px}

/* SERVICES */
.section-services{padding:80px 0;background:var(--gray)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service-card{background:#fff;border-radius:10px;overflow:hidden;display:flex;flex-direction:column;transition:all .25s;box-shadow:0 2px 12px rgba(0,0,0,.06);text-decoration:none;color:inherit}
.service-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.12)}
.service-card__img{overflow:hidden;aspect-ratio:4/3}
.service-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.service-card:hover .service-card__img img{transform:scale(1.05)}
.service-card__body{padding:20px 20px 24px;flex:1;display:flex;flex-direction:column;gap:10px}
.service-card__body h3{font-size:15px;font-weight:700;line-height:1.35}

/* STEPS */
.section-steps{padding:80px 0;background:#fff}
.steps-row{display:flex;align-items:flex-start;gap:0;margin-top:20px}
.step{flex:1;text-align:center;padding:0 12px;display:flex;flex-direction:column;align-items:center;gap:10px}
.step__num{font-size:11px;font-weight:800;color:var(--muted);letter-spacing:.1em}
.step__icon{width:72px;height:72px;border:3px solid var(--yellow);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;background:#fff;flex-shrink:0}
.step h4{font-size:14px;font-weight:700}
.step p{font-size:12px;color:var(--muted);line-height:1.55}
.step__line{width:40px;height:2px;background:var(--yellow);flex-shrink:0;margin-top:52px}

/* BENEFITS */
.section-benefits{padding:80px 0;background:var(--gray)}
.benefits-banner{background:#C8FF6B;padding:52px 48px;border-radius:12px;text-align:center;margin-bottom:56px}
.benefits-banner h2{font-size:clamp(20px,2.5vw,30px);font-weight:800;max-width:820px;margin:0 auto;line-height:1.3}
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.benefit-card{text-align:center}
.benefit-card img{width:100%;height:220px;object-fit:cover;border-radius:var(--radius);margin-bottom:20px;clip-path:polygon(0 18%,100% 0,100% 100%,0 100%)}
.benefit-card p{font-size:14px;line-height:1.65}

/* GUARANTEE */
.section-guarantee{padding:80px 0;background:#fff}
.guarantee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.guarantee-card{background:var(--gray);padding:36px 28px;border-radius:10px;text-align:center;border-bottom:4px solid var(--yellow)}
.guarantee-icon{font-size:44px;margin-bottom:16px}
.guarantee-card h3{font-size:16px;font-weight:800;margin-bottom:10px}
.guarantee-card p{font-size:13px;color:var(--muted);line-height:1.65}

/* CALCULATE */
.section-calculate{padding:80px 0;background:var(--gray)}
.section-calculate__inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.questions-card{background:var(--yellow);padding:40px;border-radius:10px}
.questions-card h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;margin-bottom:14px;line-height:1.3}
.questions-card p{margin-bottom:20px;font-size:14px}
.questions-list{list-style:none;counter-reset:q;display:flex;flex-direction:column;gap:14px}
.questions-list li{counter-increment:q;display:flex;align-items:center;gap:14px;font-size:15px;font-weight:600}
.questions-list li::before{content:counter(q);width:34px;height:34px;border:2.5px solid var(--black);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}

/* REVIEWS */
.section-reviews{padding:80px 0;background:#fff}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:var(--gray);padding:28px;border-radius:10px;display:flex;flex-direction:column;gap:16px}
.review-stars{color:var(--yellow);font-size:20px;letter-spacing:2px}
.review-card p{font-size:14px;color:var(--text);line-height:1.65;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px;margin-top:auto}
.review-avatar{width:42px;height:42px;background:var(--yellow);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;flex-shrink:0}
.review-author strong{display:block;font-size:14px}
.review-author span{font-size:12px;color:var(--muted)}

/* CONTACT */
.section-contact{background:#fff}
.contact-info{padding:60px 24px}
.contact-info h2{font-size:clamp(20px,2.5vw,28px);font-weight:800;margin-bottom:40px;max-width:700px}
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.contact-card{display:flex;align-items:flex-start;gap:14px}
.contact-icon{font-size:28px;flex-shrink:0}
.contact-card strong{display:block;font-size:13px;font-weight:800;margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}
.contact-card p{font-size:14px;color:var(--muted);line-height:1.6}
.contact-card a{color:var(--black);font-weight:600}
.contact-card a:hover{color:var(--yellow-d)}

/* FOOTER */
.footer{background:var(--black);color:#fff;padding:40px 0 0}
.footer__inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:.06em}
.footer__links{display:flex;gap:20px;flex-wrap:wrap;margin-left:auto}
.footer__links a{font-size:13px;color:rgba(255,255,255,.6);transition:color .2s}
.footer__links a:hover{color:#fff}
.footer__contacts{display:flex;flex-direction:column;gap:4px}
.footer__contacts a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s}
.footer__contacts a:hover{color:var(--yellow)}
.footer__bottom{padding:20px 0;text-align:center}
.footer__bottom p{font-size:12px;color:rgba(255,255,255,.4);margin-bottom:4px}

/* LIGHTBOX */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:9999;display:none;align-items:center;justify-content:center;padding:24px;cursor:pointer}
.lightbox.active{display:flex}
.lightbox img{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:var(--radius);box-shadow:0 24px 80px rgba(0,0,0,.5)}
.lightbox__close{position:absolute;top:20px;right:24px;background:none;border:none;color:#fff;font-size:28px;cursor:pointer;line-height:1}

/* STICKY CTA */
.sticky-cta{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:10px;z-index:900;opacity:0;pointer-events:none;transform:translateY(16px);transition:all .3s}
.sticky-cta.show{opacity:1;pointer-events:all;transform:translateY(0)}

/* SERVICE PAGE */
.service-page{padding:60px 0 80px}
.service-page h1{font-size:clamp(28px,4vw,48px);font-weight:800;margin-bottom:16px}
.service-page .lead{font-size:16px;color:var(--muted);margin-bottom:40px;max-width:700px}
.price-table{width:100%;border-collapse:collapse;margin:32px 0}
.price-table th,.price-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--gray2);font-size:14px}
.price-table th{background:var(--black);color:#fff;font-weight:700}
.price-table tr:hover td{background:var(--gray)}
.price-table td:last-child{font-weight:700;color:var(--black)}
.back-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--muted);margin-bottom:32px;font-size:14px}
.back-link:hover{color:var(--black)}

/* RESPONSIVE */
@media(max-width:1024px){
  .contact-cards{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .nav,.header__right .btn{display:none}
  .burger{display:flex}
  .hero__inner,.section-offer__inner,.section-calculate__inner{grid-template-columns:1fr}
  .hero__image{height:320px}
  .portfolio-grid,.services-grid,.benefits-grid,.guarantee-grid,.reviews-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .steps-row{flex-wrap:wrap;justify-content:center}
  .step{min-width:140px;max-width:160px}
  .step__line{display:none}
  .footer__inner{flex-direction:column;gap:20px}
  .footer__links{margin-left:0}
}
@media(max-width:600px){
  .portfolio-grid,.services-grid,.benefits-grid,.guarantee-grid,.reviews-grid,.contact-cards{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero__cta-group{flex-direction:column}
  .stats-grid{grid-template-columns:1fr 1fr}
  .sticky-cta{flex-direction:row;bottom:16px;right:16px;left:16px;justify-content:center}
}