:root{
  --bg:#f4f7f7;
  --surface:#ffffff;
  --surface-2:#eef3f3;
  --surface-3:#f8fbfb;
  --text:#1c2733;
  --muted:#66727e;
  --muted-2:#7b8793;
  --line:#d9e1e5;
  --line-soft:#e7edef;
  --primary:#0f7e77;
  --primary-dark:#0b625d;
  --primary-soft:#d9efec;
  --dark:#0d1a25;
  --dark-2:#112434;
  --white:#ffffff;

  --radius-xs:12px;
  --radius-sm:16px;
  --radius-md:20px;
  --radius-lg:24px;
  --radius-xl:28px;
  --radius-pill:999px;

  --shadow-sm:0 8px 24px rgba(15,23,42,.05);
  --shadow-md:0 16px 40px rgba(15,23,42,.08);
  --shadow-lg:0 22px 60px rgba(15,23,42,.10);

  --container:1280px;

  --space-1:4px;
  --space-2:8px;
  --space-3:12px;
  --space-4:16px;
  --space-5:20px;
  --space-6:24px;
  --space-7:28px;
  --space-8:32px;
  --space-10:40px;
  --space-12:48px;
  --space-14:56px;
  --space-16:64px;
  --space-20:80px;
  --space-24:96px;
  --space-28:112px;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{
  display:block;
  max-width:100%;
  height:auto;
}

a{
  color:inherit;
  text-decoration:none;
}

button,
input,
select,
textarea{
  font:inherit;
}

.container{
  width:min(var(--container), calc(100% - 48px));
  margin:0 auto;
}

.section{
  padding:104px 0;
}

.section-soft{
  background:var(--surface-2);
}

.section-dark{
  background:
    radial-gradient(circle at 20% 20%, rgba(20,148,138,.10), transparent 30%),
    linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  color:var(--white);
}

.section-head{
  max-width:820px;
  margin-bottom:48px;
}

.section-head h2{
  margin:0 0 14px;
  font-size:clamp(36px, 4.2vw, 58px);
  line-height:1.06;
  letter-spacing:-0.025em;
  max-width:12ch;
}

.section-head p{
  margin:0;
  max-width:64ch;
  color:var(--muted);
  font-size:17px;
  line-height:1.7;
}

.section-head-light h2,
.section-head-light p{
  color:var(--white);
}

.section-kicker{
  display:inline-block;
  margin-bottom:14px;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  letter-spacing:.09em;
  text-transform:uppercase;
}

h1,h2,h3{
  margin:0 0 14px;
  color:var(--text);
  line-height:1.08;
}

.section-dark h1,
.section-dark h2,
.section-dark h3{
  color:var(--white);
}

h1{
  font-size:clamp(46px, 5.4vw, 84px);
  letter-spacing:-0.04em;
}

h2{
  font-size:clamp(32px, 4vw, 54px);
  letter-spacing:-0.025em;
}

h3{
  font-size:24px;
  letter-spacing:-0.015em;
}

p{
  margin:0 0 16px;
  color:var(--muted);
  font-size:16px;
  line-height:1.68;
}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(0,0,0,.05);
}

.header-inner{
  min-height:92px;
  display:flex;
  align-items:center;
  gap:24px;
}

.logo{
  display:flex;
  align-items:center;
  flex:0 0 auto;
}

.logo img{
  width:198px;
  height:auto;
}

.site-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:20px;
  margin-left:auto;
  flex:1 1 auto;
  min-width:0;
}

.site-nav a{
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  font-size:14px;
  line-height:1;
  font-weight:700;
  color:var(--text);
  transition:color .2s ease;
}

.site-nav a:hover{
  color:var(--primary);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}

.header-phone{
  white-space:nowrap;
  font-size:14px;
  font-weight:700;
  color:var(--text);
}

.burger{
  display:none;
  width:46px;
  height:46px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--white);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  flex:0 0 auto;
  cursor:pointer;
}

.burger span{
  display:block;
  width:20px;
  height:2px;
  background:var(--text);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  padding:0 20px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}

.btn:hover{
  transform:translateY(-1px);
}

.btn-primary{
  background:var(--primary);
  color:var(--white);
}

.btn-primary:hover{
  background:var(--primary-dark);
}

.btn-secondary{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}

.btn-secondary:hover{
  background:#fff;
  border-color:#c7d1d7;
}

.btn-full{
  width:100%;
}

.hero{
  padding:108px 0 92px;
  background:linear-gradient(180deg, #f6f9f9 0%, #edf2f3 100%);
}

.hero-grid{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:64px;
  align-items:center;
}

.hero-content{
  max-width:640px;
}

.hero h1{
  max-width:10.5ch;
  margin-bottom:28px;
}

.hero p{
  max-width:58ch;
  font-size:18px;
  line-height:1.72;
  color:var(--muted);
}

.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin:36px 0 28px;
}

.hero-points{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
  list-style:none;
  color:#5e6974;
  font-size:15px;
  font-weight:600;
}

.hero-media{
  display:flex;
  justify-content:flex-end;
}

.hero-media img{
  width:min(100%, 560px);
  border-radius:26px;
  box-shadow:var(--shadow-lg);
}

.cards-3{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:28px;
  align-items:stretch;
}

.card{
  background:var(--surface);
  border:1px solid rgba(0,0,0,.04);
  border-radius:22px;
  padding:30px;
  box-shadow:var(--shadow-sm);
}

.card h3{
  margin-bottom:10px;
  font-size:24px;
  line-height:1.15;
}

.card p{
  margin-bottom:0;
  font-size:16px;
  line-height:1.62;
}

.service-card{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:0;
  overflow:hidden;
}

.service-card img{
  width:100%;
  height:216px;
  object-fit:cover;
}

.service-card h3,
.service-card p,
.service-card .card-link{
  padding-left:24px;
  padding-right:24px;
}

.service-card h3{
  padding-top:20px;
  margin-bottom:8px;
  font-size:22px;
}

.service-card p{
  margin-bottom:16px;
  color:var(--muted);
}

.service-card .card-link{
  margin-top:auto;
  padding-bottom:24px;
  color:var(--primary);
  font-size:15px;
  font-weight:700;
}

.list-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:18px;
}

.list-item{
  min-height:74px;
  display:flex;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 22px;
  font-size:15px;
  line-height:1.45;
  font-weight:600;
  color:var(--text);
}

.steps{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:18px;
}

.step{
  min-height:172px;
  padding:22px 20px;
  border-radius:18px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(2px);
}

.step span{
  display:inline-block;
  margin-bottom:12px;
  color:#86ddd2;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
}

.step h3{
  margin-bottom:10px;
  font-size:18px;
  line-height:1.18;
}

.step p{
  margin:0;
  font-size:14px;
  line-height:1.56;
  color:rgba(255,255,255,.72);
}

.about-short{
  display:grid;
  grid-template-columns:1fr .95fr;
  gap:64px;
  align-items:center;
}

.about-short__content{
  max-width:560px;
}

.about-short__content h2{
  font-size:clamp(36px, 4vw, 56px);
  line-height:1.08;
  letter-spacing:-0.025em;
  max-width:11ch;
  margin-bottom:18px;
}

.about-short__content p{
  font-size:17px;
  line-height:1.72;
  color:#5f6973;
}

.about-short__content .btn{
  margin-top:14px;
}

.about-short__media{
  display:flex;
  justify-content:flex-end;
}

.about-short__media img{
  width:min(100%, 500px);
  border-radius:24px;
  box-shadow:var(--shadow-md);
}

.faq-list{
  display:grid;
  gap:16px;
}

.faq-item{
  background:var(--surface);
  border:1px solid #dbe2e6;
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 1px 0 rgba(15,23,42,.02);
}

.faq-question{
  width:100%;
  text-align:left;
  padding:22px 24px;
  background:var(--surface);
  border:none;
  color:var(--text);
  font-size:17px;
  line-height:1.42;
  font-weight:700;
  cursor:pointer;
}

.faq-answer{
  display:none;
  padding:0 24px 22px;
}

.faq-answer p{
  margin:0;
  font-size:16px;
  line-height:1.65;
}

.faq-item.active .faq-answer{
  display:block;
}

.request-grid{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:36px;
  align-items:stretch;
}

.request-content{
  background:
    radial-gradient(circle at 20% 20%, rgba(20,148,138,.12), transparent 30%),
    linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  color:var(--white);
  border-radius:22px;
  padding:38px;
}

.request-content h2{
  margin-bottom:16px;
  font-size:28px;
  line-height:1.12;
  max-width:10ch;
}

.request-content p{
  font-size:16px;
  line-height:1.66;
  color:rgba(255,255,255,.78);
}

.request-content a{
  color:rgba(255,255,255,.92);
}

.request-contacts{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:22px;
  font-weight:600;
}

.lead-form{
  background:var(--surface);
  border:1px solid rgba(0,0,0,.04);
  border-radius:22px;
  box-shadow:var(--shadow-sm);
  padding:34px;
}

.lead-form label{
  display:block;
  margin-bottom:22px;
}

.lead-form span{
  display:block;
  margin-bottom:8px;
  font-size:14px;
  font-weight:700;
  color:#33414d;
}

.lead-form input,
.lead-form select,
.lead-form textarea{
  width:100%;
  min-height:56px;
  padding:16px 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  color:var(--text);
  font-size:16px;
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.lead-form input::placeholder,
.lead-form textarea::placeholder{
  color:#97a3ad;
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(15,126,119,.10);
}

.lead-form textarea{
  min-height:140px;
  resize:vertical;
}

.agree-line{
  display:flex !important;
  gap:12px;
  align-items:flex-start;
  margin:10px 0 22px;
}

.agree-line input{
  width:18px;
  height:18px;
  min-height:auto;
  padding:0;
  margin-top:3px;
  flex:0 0 auto;
}

.agree-line span{
  margin:0;
  font-size:14px;
  line-height:1.5;
  font-weight:400;
  color:var(--muted);
}

.page-hero{
  padding:88px 0 36px;
  background:linear-gradient(180deg, #f7f8f9 0%, #edf1f3 100%);
}

.page-inner .text-block{
  max-width:900px;
}

.text-block h2{
  margin-top:30px;
  margin-bottom:12px;
}

.text-block h2:first-child{
  margin-top:0;
}

.contacts-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}

.site-footer{
  background:#0d141c;
  color:#d6dee5;
  padding:56px 0 22px;
}

.site-footer p{
  color:#a8b3bd;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .9fr .9fr;
  gap:30px;
}

.footer-title,
.footer-brand{
  color:#ffffff;
  margin-bottom:14px;
  font-weight:700;
}

.footer-links{
  list-style:none;
  padding:0;
  margin:0;
}

.footer-links li{
  margin-bottom:10px;
}

.footer-links a{
  color:#d6dee5;
}

.footer-links a:hover{
  color:#ffffff;
}

.footer-bottom{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
}

@media (max-width: 1360px){
  .site-nav{
    gap:18px;
  }

  .site-nav a,
  .header-phone{
    font-size:13px;
  }

  .btn{
    padding:0 18px;
  }
}

@media (max-width: 1180px){
  .site-nav,
  .header-actions{
    display:none;
  }

  .burger{
    display:flex;
    margin-left:auto;
  }

  .site-nav.open{
    display:flex;
    position:absolute;
    top:92px;
    left:24px;
    right:24px;
    margin-left:0;
    padding:20px;
    border-radius:20px;
    background:#ffffff;
    box-shadow:var(--shadow-md);
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:16px;
    z-index:120;
  }

  .site-nav.open a{
    font-size:18px;
  }

  .hero-grid,
  .about-short,
  .request-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }

  .cards-3{
    grid-template-columns:1fr 1fr;
  }

  .steps{
    grid-template-columns:repeat(3, 1fr);
  }

  .hero-media,
  .about-short__media{
    justify-content:flex-start;
  }
}

@media (max-width: 860px){
  .container{
    width:min(var(--container), calc(100% - 28px));
  }

  .section{
    padding:76px 0;
  }

  .hero{
    padding:84px 0 66px;
  }

  .hero-grid{
    gap:34px;
  }

  .hero h1{
    max-width:none;
    font-size:48px;
  }

  .hero p{
    font-size:17px;
  }

  .section-head,
  .hero-content,
  .about-short__content{
    max-width:none;
  }

  .section-head h2,
  .about-short__content h2{
    max-width:none;
  }

  .cards-3,
  .list-grid,
  .contacts-grid,
  .steps{
    grid-template-columns:1fr;
  }

  .service-card img{
    height:210px;
  }

  .lead-form,
  .request-content,
  .card,
  .step{
    padding:24px;
  }

  .logo img{
    width:184px;
  }

  .header-inner{
    min-height:84px;
  }

  .site-nav.open{
    top:84px;
    left:14px;
    right:14px;
  }
}

@media (max-width: 560px){
  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }

  .hero-points{
    flex-direction:column;
    gap:10px;
  }

  .btn{
    width:100%;
  }

  .faq-question{
    padding:20px;
    font-size:16px;
  }

  .faq-answer{
    padding:0 20px 20px;
  }

  .lead-form{
    padding:22px;
  }

  .request-content{
    padding:24px;
  }

  .site-footer{
    padding-top:44px;
  }
}