/* =========================================================
   Тема: сервисное обслуживание теплообменников
   Референс дизайна: tesi.shop (Tilda, шрифт Mulish, синий акцент)
   ========================================================= */

:root{
  --accent: #0057c2;
  --accent-dark: #003f8f;
  --navy: #0b2447;
  --navy-dark: #071733;
  --accent-light: #e8f0fc;
  --dark: #1b1b1b;
  --text: #232323;
  --text-muted: #6b6f76;
  --bg-gray: #eef1f6;
  --bg-gray-2: #eef0f4;
  --white: #ffffff;
  --border: #e2e4e9;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow: 0 10px 30px rgba(20, 30, 60, 0.08);
  --container: 1180px;
}

*{ box-sizing: border-box; margin: 0; padding: 0; }

html{ scroll-behavior: smooth; }

body{
  font-family: 'Mulish', Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4{
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
}

h1{ font-size: 50px; }
h2{ font-size: 36px; margin-bottom: 16px; }
h3{ font-size: 22px; margin-bottom: 8px; }

p{ color: var(--text-muted); font-weight: 500; }

.center{ text-align: center; margin-left: auto; margin-right: auto; }

.section{ padding: 88px 0; border-top: 1px solid var(--border); }
.section-gray{ background: var(--bg-gray); }
.section-tint{
  background: linear-gradient(180deg, var(--accent-light) 0%, #f4f8fe 100%);
  border-top: 1px solid #d8e6fa;
  border-bottom: 1px solid #d8e6fa;
}

.section-eyebrow{
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: 14px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-lead{
  max-width: 680px;
  margin: 0 auto 40px;
  font-size: 19px;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: inherit;
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: .04em;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }

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

.btn-outline{
  background: transparent;
  color: var(--dark);
  border-color: var(--dark);
}
.btn-outline:hover{ background: var(--dark); color: var(--white); }

.btn-white{
  background: var(--white);
  color: var(--accent-dark);
}
.btn-white:hover{ background: var(--bg-gray); }

.btn-lg{ padding: 18px 36px; font-size: 16px; }
.btn-block{ width: 100%; }

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--accent);
  border-bottom: 1px solid var(--accent-dark);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1520px;
  padding-top: 22px;
  padding-bottom: 22px;
}

.logo{ display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.logo-mark{
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text{ display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong{ font-size: 18px; color: var(--white); }
.logo-text small{ font-size: 13px; font-weight: 600; color: rgba(255,255,255,.85); }

.main-nav{
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: space-evenly;
}
.main-nav a{
  font-size: 15px;
  font-weight: 700;
  color: rgba(255,255,255,.85);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
  white-space: nowrap;
}
.main-nav a:hover{ color: var(--white); border-color: var(--white); }

.header-actions{ display: flex; align-items: center; gap: 20px; flex-shrink: 0; }

.header-phone{ display: flex; flex-direction: column; text-align: right; white-space: nowrap; }
.phone-number{ font-weight: 800; font-size: 18px; color: var(--white); white-space: nowrap; }
.phone-caption{ font-size: 13px; font-weight: 600; color: rgba(255,255,255,.85); white-space: nowrap; }

.header-actions .btn-primary{
  background: var(--white);
  color: var(--accent-dark);
  padding: 16px 30px;
}
.header-actions .btn-primary:hover{ background: var(--bg-gray); }

.burger{
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  background: none;
  border: none;
  cursor: pointer;
}
.burger span{
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.burger.active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2){ opacity: 0; }
.burger.active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  overflow: hidden;
  background: var(--navy-dark);
}

.hero-bg{
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 75% center;
}
.hero-bg-blur{
  filter: blur(6px);
  transform: scale(1.05);
  -webkit-mask-image: linear-gradient(to right, #000 0%, #000 42%, transparent 62%);
  mask-image: linear-gradient(to right, #000 0%, #000 42%, transparent 62%);
}
.hero::before{
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right,
    rgba(7,23,51,.88) 0%,
    rgba(7,23,51,.78) 32%,
    rgba(7,23,51,.3) 52%,
    rgba(7,23,51,.06) 70%
  );
}

.hero-inner{
  position: relative;
  z-index: 2;
  max-width: none;
  margin: 0;
  padding-top: 110px;
  padding-bottom: 110px;
  padding-left: clamp(24px, 7vw, 120px);
  padding-right: 24px;
}

.hero-text{ max-width: 680px; }
.hero h1{ font-size: 54px; }

.eyebrow{
  text-transform: uppercase;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .1em;
  color: #8fb8f5;
  margin-bottom: 16px;
}

.hero h1{ color: var(--white); }

.hero-lead{
  font-size: 20px;
  font-weight: 500;
  margin: 20px 0 26px;
  max-width: 600px;
  color: #d3dbea;
}

.hero-points{
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 34px;
}
.hero-points li{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}
.check{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}

.hero-cta{ display: flex; gap: 16px; flex-wrap: wrap; }
.hero-cta .btn-outline{
  border-color: rgba(255,255,255,.7);
  color: var(--white);
}
.hero-cta .btn-outline:hover{ background: var(--white); color: var(--dark); }

.media-placeholder{
  background: repeating-linear-gradient(45deg, var(--bg-gray-2), var(--bg-gray-2) 12px, #e4e7ee 12px, #e4e7ee 24px);
  border: 1px dashed #c6cad4;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  min-height: 340px;
  padding: 20px;
}
.media-placeholder.tall{ min-height: 460px; }

/* ---------- Real photos ---------- */
.photo{
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--bg-gray-2);
}
.photo img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.photo-tall{ aspect-ratio: 2 / 3; }

figure.photo{ margin: 0; }
figure.photo figcaption{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 24px 16px 12px;
  background: linear-gradient(180deg, transparent, rgba(15,18,26,.75));
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
}


.stats-bar{
  background: var(--dark);
}
.stats-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 24px;
  padding: 36px 24px;
}
.stat{ text-align: center; color: var(--white); }
.stat-num{
  display: block;
  font-size: 34px;
  font-weight: 800;
  color: var(--white);
}
.stat-label{
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #c3c8d1;
  margin-top: 4px;
}

/* ---------- About ---------- */
.about-grid{
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.mini-title{
  margin-top: 28px;
  margin-bottom: 14px;
  font-size: 19px;
}

.checklist{
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.checklist li{
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
}
.checklist li::before{
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 800;
}
.checklist.two-col{
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 10px 20px;
}

/* ---------- Services ---------- */
.services-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 24px;
  margin-top: 40px;
}
.service-card{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.service-card:hover{ box-shadow: var(--shadow); transform: translateY(-3px); }
.service-card h3{ margin-top: 4px; }
.service-card p{ font-size: 15px; }

.services-cta{ text-align: center; margin-top: 44px; }

/* ---------- Brands ---------- */
.brands-grid{
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 16px;
  margin-top: 8px;
}
.brand-chip{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 168px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.brand-chip:hover{ box-shadow: var(--shadow); transform: translateY(-2px); }
.brand-chip img{
  max-width: 100%;
  max-height: 118px;
  width: auto;
  object-fit: contain;
}

/* ---------- Gallery ---------- */
.gallery-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 20px;
  margin-top: 10px;
}
.gallery-item{ min-height: 220px; }

/* ---------- Certificates ---------- */
.certificates-inner{
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 48px;
  align-items: center;
}
.certificates-inner .section-lead{ margin-left: 0; max-width: 480px; }
.cert-thumbs{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 14px;
}
.cert-thumb{ min-height: 160px; font-size: 12px; }

/* ---------- Prices ---------- */
.price-table-wrap{
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.price-table{
  width: 100%;
  border-collapse: collapse;
}
.price-table th, .price-table td{
  padding: 26px 34px;
  text-align: left;
  font-size: 18px;
  font-weight: 600;
}
.price-table thead th{
  background: var(--dark);
  color: var(--white);
  text-transform: uppercase;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .04em;
  padding: 22px 34px;
}
.price-table tbody tr:nth-child(odd){ background: var(--bg-gray); }
.price-table td:last-child{ text-align: right; color: var(--accent-dark); font-weight: 700; }
.price-table td strong{ color: var(--accent-dark); font-size: 20px; font-weight: 800; }
.price-note{
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 18px;
}

/* ---------- Advantages ---------- */
.adv-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 24px;
  margin-top: 40px;
}
.adv-card{
  padding: 30px 24px;
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow);
  text-align: left;
}
.adv-icon{
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--white);
  border-radius: var(--radius-sm);
  color: var(--accent);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.adv-icon svg{ width: 24px; height: 24px; }
.adv-card p{ font-size: 15px; }

/* ---------- Reviews ---------- */
.reviews-track{
  display: flex;
  gap: 24px;
  margin-top: 20px;
  overflow: hidden;
  transition: transform .3s ease;
}
.review-card{
  flex: 0 0 calc(33.333% - 16px);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.review-card p{
  color: var(--text);
  font-size: 15px;
  margin-bottom: 18px;
}
.review-author{ display: flex; flex-direction: column; }
.review-author strong{ font-size: 14px; color: var(--dark); }
.review-author span{ font-size: 12px; color: var(--text-muted); }

.reviews-controls{
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}
.review-btn{
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--white);
  cursor: pointer;
  font-size: 16px;
  transition: background .2s, color .2s;
}
.review-btn:hover{ background: var(--accent); color: var(--white); border-color: var(--accent); }

/* ---------- CTA strip ---------- */
.cta-strip{ background: var(--accent); }
.cta-strip-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 52px 24px;
  flex-wrap: wrap;
}
.cta-strip h2{ color: var(--white); margin-bottom: 6px; font-size: 28px; }
.cta-strip p{ color: #dbe8fb; font-size: 17px; font-weight: 500; }

/* ---------- Contacts ---------- */
.contacts-grid{
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 56px;
}
.contacts-list{
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0 30px;
}
.contacts-list li{ display: flex; gap: 14px; align-items: flex-start; font-size: 16px; font-weight: 600; }
.contacts-list li > *:last-child{ min-width: 0; }
.contacts-label{
  min-width: 130px;
  padding-top: 2px;
  font-weight: 800;
  color: var(--dark);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.contacts-list a{ color: var(--accent); font-weight: 700; overflow-wrap: anywhere; }
.contacts-phones{ display: flex; flex-direction: column; gap: 4px; }

.map-embed{
  width: 100%;
  height: 460px;
  border: 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.map-links{ display: flex; gap: 12px; margin-bottom: 24px; }

.social-links{ display: flex; gap: 12px; margin-bottom: 40px; }
.social-link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  transition: border-color .2s ease, color .2s ease;
}
.social-link svg{ width: 20px; height: 20px; flex-shrink: 0; }
.social-link:hover{ border-color: var(--accent); color: var(--accent); }

.contact-form{
  background: var(--bg-gray);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-form h3{ margin-bottom: 4px; }
.form-row{ display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 14px; }
.contact-form input:not([type="checkbox"]),
.contact-form textarea,
.modal form input:not([type="checkbox"]){
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  background: var(--white);
}
.contact-form input:not([type="checkbox"]):focus,
.contact-form textarea:focus,
.modal form input:not([type="checkbox"]):focus{
  outline: none;
  border-color: var(--accent);
}
.consent{
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}
.consent input{ margin-top: 3px; width: auto; }
.consent a{ color: var(--accent); text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--dark); color: #cfd2d9; padding-top: 56px; }
.footer-inner{
  display: grid;
  grid-template-columns: 1.2fr minmax(0,1fr) minmax(0,1fr);
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333640;
}
.footer-brand{ display: flex; gap: 12px; align-items: flex-start; }
.footer-brand strong{ color: var(--white); font-size: 16px; }
.footer-brand p{ font-size: 14px; font-weight: 500; color: #9a9ea8; margin-top: 4px; }

.footer-nav{ display: flex; flex-direction: column; gap: 10px; }
.footer-nav a{ font-size: 15px; font-weight: 600; color: #cfd2d9; }
.footer-nav a:hover{ color: var(--white); }

.footer-contacts{ display: flex; flex-direction: column; gap: 10px; font-size: 15px; font-weight: 600; }
.footer-contacts a:hover{ color: var(--white); }
.footer-contacts span{ color: #9a9ea8; font-size: 13px; font-weight: 500; }

.footer-bottom{
  display: flex;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 13px;
  font-weight: 500;
  color: #7d8089;
  flex-wrap: wrap;
  gap: 10px;
}
.policy-link{ color: #7d8089; text-decoration: underline; }

/* ---------- Modal ---------- */
.modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(15,18,26,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 1000;
  padding: 20px;
}
.modal-overlay.open{ opacity: 1; pointer-events: auto; }

.modal{
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px;
  width: 100%;
  max-width: 420px;
  position: relative;
  transform: translateY(12px);
  transition: transform .2s ease;
}
.modal-overlay.open .modal{ transform: translateY(0); }

.modal h3{ margin-bottom: 8px; }
.modal p{ font-size: 15px; margin-bottom: 20px; }
.modal form{ display: flex; flex-direction: column; gap: 14px; }

.modal-close{
  position: absolute;
  top: 14px; right: 14px;
  width: 32px; height: 32px;
  border: none;
  background: var(--bg-gray);
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-muted);
}

/* ---------- Mobile call button ---------- */
.mobile-call-btn{
  display: none;
  position: fixed;
  bottom: 20px; right: 20px;
  width: 56px; height: 56px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--shadow);
  z-index: 90;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px){
  h1{ font-size: 36px; }
  .hero h1{ font-size: 36px; }
  .hero-inner{ padding-left: 24px; }
  .hero-text{ max-width: 100%; }
  .hero-bg-blur{
    -webkit-mask-image: linear-gradient(to right, #000 0%, #000 80%, transparent 96%);
    mask-image: linear-gradient(to right, #000 0%, #000 80%, transparent 96%);
  }
  .hero::before{
    background: linear-gradient(to right, rgba(7,23,51,.9) 0%, rgba(7,23,51,.82) 70%, rgba(7,23,51,.55) 100%);
  }
  .about-grid{ grid-template-columns: minmax(0,1fr); }
  .services-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .brands-grid{ grid-template-columns: repeat(4, minmax(0,1fr)); }
  .gallery-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .adv-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .reviews-track{ grid-template-columns: minmax(0,1fr); }
  .certificates-inner{ grid-template-columns: minmax(0,1fr); }
  .contacts-grid{ grid-template-columns: minmax(0,1fr); }
  .stats-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 768px){
  .main-nav{
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .main-nav.nav-open{ display: flex; }
  .main-nav a{ padding: 12px 0; border-bottom: 1px solid var(--border); color: var(--text); }
  .main-nav a:hover{ color: var(--accent); border-color: var(--accent); }
  .header-phone{ display: none; }
  .burger{ display: flex; }
  .review-card{ flex-basis: 100%; }
  .header-inner{ flex-wrap: nowrap; gap: 8px; }
  .logo{ min-width: 0; flex: 1 1 auto; }
  .logo-text{ min-width: 0; }
  .logo-text small{ display: none; }
  .logo-text strong{
    display: block;
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 14px;
  }
  .header-actions{ gap: 8px; flex-shrink: 0; }
  .header-actions .btn{ padding: 10px 14px; font-size: 11px; }
  .checklist.two-col{ grid-template-columns: minmax(0,1fr); }
  .services-grid{ grid-template-columns: minmax(0,1fr); }
  .brands-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .gallery-grid{ grid-template-columns: minmax(0,1fr); }
  .adv-grid{ grid-template-columns: minmax(0,1fr); }
  .footer-inner{ grid-template-columns: minmax(0,1fr); }
  .form-row{ grid-template-columns: minmax(0,1fr); }
  .cta-strip-inner{ flex-direction: column; text-align: center; }
  .mobile-call-btn{ display: flex; }
  h1{ font-size: 30px; }
  .hero h1{ font-size: 30px; }
  h2{ font-size: 28px; }
  .section{ padding: 60px 0; }

  /* Длинные надписи на кнопках переносятся, а не вылезают за экран */
  .btn{ white-space: normal; text-align: center; }
  .hero-cta{ flex-direction: column; align-items: stretch; }
  .hero-cta .btn{ width: 100%; }
  .services-cta .btn{ width: 100%; }
  .map-links{ flex-direction: column; }
  .map-links .btn{ width: 100%; }
  .cert-thumbs{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .certificates-inner .btn{ width: 100%; }
  .price-table th, .price-table td{ padding: 16px 16px; font-size: 15px; }
  .price-table thead th{ padding: 14px 16px; font-size: 12px; }
  .price-table td strong{ font-size: 17px; }
}