/* =========================================================
   BCC TECHNOLOGY — теплові насоси
   Design tokens
   ========================================================= */
:root{
  color-scheme: light only;
  --ink:        #14181A;
  --ink-soft:   #4B5654;
  --line:       #D9DED9;
  --bg:         #EEF2F0;
  --surface:    #FFFFFF;
  --ember:      #E85D2C;
  --ember-dark: #C4471D;
  --frost:      #1E7F82;
  --frost-dark: #145C5E;
  --cream:      #F7F5EF;

  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;

  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;

  --shadow-1: 0 1px 2px rgba(20,24,26,.06), 0 8px 24px -12px rgba(20,24,26,.18);
  --shadow-2: 0 4px 10px rgba(20,24,26,.08), 0 20px 40px -18px rgba(20,24,26,.25);

  --container: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
.hex-grid > *, .adv-grid > *, .process > *, .works-grid > *, .review-grid > *{ min-width: 0; }
html{ scroll-behavior: smooth; }
html, body{ max-width: 100%; overflow-x: hidden; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }

  /* Марквее-стрічка: замість "замороженого на випадковому кадрі" вигляду —
     акуратний статичний рядок без обрізаних слів та без дублікатів. */
  .strip__track{
    animation: none !important;
    flex-wrap: wrap;
    width: 100% !important;
    justify-content: center;
  }
  .strip__item:nth-child(n+6){ display:none; }
}

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-family: var(--font-display); font-weight:700; letter-spacing:-.01em; }
p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }

:focus-visible{ outline: 3px solid var(--frost); outline-offset: 3px; }

.container{
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ember-dark);
}
.eyebrow::before{
  content:"";
  width: 18px; height: 2px;
  background: var(--ember);
  display:inline-block;
}

.section{ padding: 96px 0; }
.section--tight{ padding: 72px 0; }
.section-head{
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head h2{ font-size: clamp(28px, 3.4vw, 42px); margin-top:14px; }
.section-head p{ margin-top:16px; color: var(--ink-soft); font-size: 17px; }
.section-head.center{ margin-inline:auto; text-align:center; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn--primary{
  background: var(--ember);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(232,93,44,.55);
}
.btn--primary:hover{ background: var(--ember-dark); transform: translateY(-2px); }
.btn--ghost{
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn--ghost:hover{ border-color: var(--ink); }
.btn--light{
  background: #fff;
  color: var(--ink);
}
.btn--light:hover{ transform: translateY(-2px); }
.btn--block{ width:100%; }

/* =========================================================
   Photo hexagons — реальні фото обладнання (Pexels, free license)
   ========================================================= */
.hex-photo-frame{
  position:relative;
  width:100%;
  max-width:440px;
  aspect-ratio: 420/460;
  margin-inline:auto;
}
.hex-photo-frame img{
  width:100%; height:100%;
  object-fit:cover;
  clip-path: polygon(50% 2.2%, 92.9% 25.7%, 92.9% 74.3%, 50% 97.8%, 7.1% 74.3%, 7.1% 25.7%);
  filter: saturate(1.05) contrast(1.02);
}
.hex-photo-frame svg{
  position:absolute; inset:0;
  width:100%; height:100%;
  pointer-events:none;
}
.hero__flame-chip{
  position:absolute;
  top:6%;
  right:2%;
  width:56px; height:56px;
  border-radius:50%;
  background: var(--ember);
  display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-2);
}

.hex-thumb{
  width: 76px;
  aspect-ratio: 420/460;
  clip-path: polygon(50% 2.2%, 92.9% 25.7%, 92.9% 74.3%, 50% 97.8%, 7.1% 74.3%, 7.1% 25.7%);
  overflow:hidden;
  flex-shrink:0;
}
.hex-thumb img{ width:100%; height:100%; object-fit:cover; }
/* =========================================================
   Photo banner
   ========================================================= */
.banner{
  position:relative;
  border-radius: var(--radius-l);
  overflow:hidden;
  min-height: 320px;
  display:flex;
  align-items:flex-end;
}
.banner img{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
}
.banner::after{
  content:"";
  position:absolute; inset:0;
  background:
    linear-gradient(100deg, rgba(10,12,13,.92) 0%, rgba(10,12,13,.75) 35%, rgba(10,12,13,.25) 62%, rgba(10,12,13,.05) 80%),
    linear-gradient(180deg, rgba(10,12,13,.15) 0%, rgba(10,12,13,.55) 100%);
}
.banner__content{
  position:relative;
  z-index: 2;
  padding: 36px;
  color:#fff;
  max-width: 440px;
}
.banner__content h3{ color:#fff; font-size: clamp(22px, 2.6vw, 30px); }
.banner__content p{ margin-top:10px; font-size:14.5px; color: rgba(255,255,255,.85); }

.header{
  position: sticky;
  top:0;
  z-index: 100;
  background: rgba(238,242,240,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 20px;
  padding: 12px 0;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand__logo{ width:42px; height:42px; object-fit:contain; }
.brand__name{ font-family: var(--font-display); font-size: 16px; line-height:1.1; }
.brand__name span{ display:block; font-family: var(--font-body); font-weight:600; font-size:11px; letter-spacing:.14em; color: var(--ink-soft); text-transform:uppercase; margin-top:2px; }

.nav{ display:flex; align-items:center; gap: 28px; }
.nav a{ font-weight:600; font-size:14.5px; color: var(--ink-soft); position:relative; padding: 6px 0; }
.nav a:hover{ color: var(--ink); }
.nav a::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:2px; background: var(--ember);
  transform: scaleX(0); transform-origin: left;
  transition: transform .2s ease;
}
.nav a:hover::after{ transform: scaleX(1); }

.header__cta{ display:flex; align-items:center; gap:18px; }
.header__phone{ font-weight:700; font-size:15px; white-space:nowrap; }
.header__phone small{ display:block; font-weight:600; font-size:11px; color: var(--ink-soft); text-transform:uppercase; letter-spacing:.1em; }

.nav-toggle{
  display:none;
  width:44px; height:44px;
  border-radius: var(--radius-s);
  border: 1.5px solid var(--line);
  background: #fff;
  align-items:center; justify-content:center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:20px; height:2px; background: var(--ink); position:relative; transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ top:0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ top:0; transform: rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero{ padding: 64px 0 40px; overflow:hidden; }
.hero__inner{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items:center;
  min-width: 0;
}
.hero__content{ min-width: 0; }
.hero h1{
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
}
.hero h1 em{
  font-style:normal;
  color: var(--ember);
}
.hero__lead{
  margin-top: 22px;
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero__actions{ display:flex; align-items:center; gap:18px; margin-top:34px; flex-wrap:wrap; }
.hero__note{ font-size:13.5px; color: var(--ink-soft); font-weight:600; }

.hero__stats{
  display:flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.stat b{ display:block; font-family: var(--font-display); font-size: 30px; color: var(--ink); }
.stat span{ font-size: 13px; color: var(--ink-soft); font-weight:600; }

.hero__art{ position:relative; display:flex; align-items:center; justify-content:center; min-width: 0; }
.hero__hex{ width: 100%; max-width: 460px; }
.hero__hex .flame{ animation: flicker 3.4s ease-in-out infinite; transform-origin: 50% 85%; }
@keyframes flicker{
  0%,100%{ transform: scale(1) rotate(0deg); }
  30%{ transform: scale(1.04) rotate(-1.5deg); }
  60%{ transform: scale(.97) rotate(1.5deg); }
}
.hero__badge{
  position:absolute;
  bottom: 6%;
  left: -6px;
  background: #fff;
  border-radius: var(--radius-m);
  padding: 18px 20px;
  box-shadow: var(--shadow-2);
  display:flex;
  align-items:flex-start;
  gap: 14px;
  max-width: 280px;
}
.hero__badge-icon{
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--cream);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.hero__badge strong{ display:block; font-size:14px; line-height:1.35; margin-bottom:4px; }
.hero__badge span{ font-size:12.5px; line-height:1.45; color: var(--ink-soft); }

/* =========================================================
   Marquee strip
   ========================================================= */
.strip{
  background: var(--ink);
  color: #fff;
  overflow:hidden;
  padding: 14px 0;
}
.strip__track{
  display:flex;
  gap: 56px;
  width: max-content;
  animation: scroll 26s linear infinite;
}
@keyframes scroll{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}
.strip__item{
  display:flex; align-items:center; gap:10px;
  font-weight:700; font-size:14px; letter-spacing:.03em;
  white-space:nowrap;
  color: rgba(255,255,255,.88);
}
.strip__item .dot{ width:5px; height:5px; border-radius:50%; background: var(--ember); }

/* =========================================================
   Pump types — honeycomb grid (signature element)
   ========================================================= */
.hex-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.hex-card{
  background: var(--surface);
  border-radius: var(--radius-l);
  padding: 34px 30px 30px;
  box-shadow: var(--shadow-1);
  transition: transform .22s ease, box-shadow .22s ease;
  display:flex;
  flex-direction:column;
  gap: 18px;
}
.hex-card__head{
  display:flex;
  align-items:flex-end;
  gap: 14px;
}
.hex-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-2); }

.hex-icon{
  width: 64px; height: 64px;
  display:flex; align-items:center; justify-content:center;
}
.hex-card h3{ font-size: 19px; line-height:1.25; }
.hex-card p{ color: var(--ink-soft); font-size: 14.5px; }
.hex-card__link{
  margin-top:auto;
  display:inline-flex; align-items:center; gap:8px;
  font-weight:700; font-size:13.5px; color: var(--frost-dark);
}
.hex-card__link svg{ transition: transform .18s ease; }
.hex-card:hover .hex-card__link svg{ transform: translateX(4px); }

/* =========================================================
   Advantages
   ========================================================= */
.adv-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--line);
  border-radius: var(--radius-l);
  overflow:hidden;
}
.adv-card{
  background: var(--surface);
  padding: 32px 26px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.adv-card b{ font-family: var(--font-display); font-size:16.5px; font-weight:600; }
.adv-card p{ color: var(--ink-soft); font-size: 14.5px; }
.adv-num{ font-family: var(--font-display); font-size:13px; color: var(--ember); }
.adv-card--wide{ grid-column: 1 / -1; flex-direction:row; align-items:center; gap:20px; }
.adv-card--wide b{ flex-shrink:0; width: 220px; }
.adv-card--wide .adv-num{ display:none; }

/* =========================================================
   Process — numbered timeline (real sequence)
   ========================================================= */
.process{
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  counter-reset: step;
}
.process-step{
  position:relative;
  padding: 28px 20px 24px;
  background: var(--surface);
  border-radius: var(--radius-m);
}
.process-step__num{
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--line);
}
.process-step h4{ margin-top:12px; font-size:15.5px; }
.process-step p{ margin-top:8px; font-size:13.5px; color: var(--ink-soft); }
.process-step::after{
  content:"";
  position:absolute;
  right:-14px; top:50%;
  transform: translateY(-50%);
  width: 10px; height:10px;
  border-top:2px solid var(--line);
  border-right:2px solid var(--line);
  transform: translateY(-50%) rotate(45deg);
  display:block;
}
.process-step:last-child::after{ display:none; }

/* =========================================================
   Наші роботи
   ========================================================= */
.works-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.work-card{
  position:relative;
  border-radius: var(--radius-l);
  overflow:hidden;
  aspect-ratio: 4/3;
  background: var(--ink);
  display:flex;
  align-items:flex-end;
  box-shadow: var(--shadow-1);
}
.work-card img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.work-card::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(20,24,26,.05) 40%, rgba(20,24,26,.88) 100%);
}
.work-card__hex{
  position:absolute;
  top:22px; left:22px;
  opacity:.75;
  z-index:1;
}
.work-card__body{
  position:relative;
  z-index:1;
  padding: 22px;
  color:#fff;
  width:100%;
}
.work-card__body b{ display:block; font-family: var(--font-display); font-size:15.5px; }
.work-card__body span{ font-size:12.5px; opacity:.85; }
.work-card__tag{
  position:absolute; top:20px; right:20px;
  z-index:1;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.35);
  color:#fff;
  font-size:11px; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.works-note{
  margin-top: 28px;
  border: 1.5px dashed var(--line);
  border-radius: var(--radius-m);
  padding: 18px 22px;
  font-size: 13.5px;
  color: var(--ink-soft);
  display:flex;
  gap:12px;
  align-items:flex-start;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq{ max-width: 820px; }
.faq-item{
  border-bottom: 1px solid var(--line);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 20px;
  padding: 22px 4px;
  font-weight:700;
  font-size: 16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .plus{
  flex-shrink:0;
  width:28px; height:28px;
  border-radius:50%;
  border: 1.5px solid var(--line);
  position:relative;
}
.faq-item summary .plus::before, .faq-item summary .plus::after{
  content:""; position:absolute; background: var(--ink);
  top:50%; left:50%; transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{ width:11px; height:2px; }
.faq-item summary .plus::after{ width:2px; height:11px; transition: opacity .2s ease; }
.faq-item[open] summary .plus::after{ opacity:0; }
.faq-item p{ padding: 0 4px 22px 4px; color: var(--ink-soft); font-size:14.5px; max-width:65ch; }

/* =========================================================
   Reviews
   ========================================================= */
.review-grid{
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
.review-card{
  background: var(--surface);
  border-radius: var(--radius-l);
  padding: 26px;
  box-shadow: var(--shadow-1);
  display:flex; flex-direction:column; gap:14px;
}
.review-card__stars{ color: var(--ember); font-size:14px; letter-spacing:2px; }
.review-card p{ font-size:14.5px; color: var(--ink-soft); }
.review-card__who{ display:flex; align-items:center; gap:12px; margin-top:auto; }
.review-avatar{
  width:40px; height:40px; border-radius:50%;
  background: var(--frost);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-size:14px;
}
.review-card__who b{ display:block; font-size:13.5px; }
.review-card__who span{ font-size:12px; color: var(--ink-soft); }

/* =========================================================
   Contact
   ========================================================= */
.contact{
  background: var(--ink);
  color:#fff;
  border-radius: var(--radius-l);
  padding: 56px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.contact h2{ color:#fff; font-size: clamp(26px,3vw,36px); }
.contact p{ color: rgba(255,255,255,.68); margin-top:14px; font-size:15px; max-width:44ch; }
.contact-list{ margin-top:30px; display:flex; flex-direction:column; gap:18px; }
.contact-list li{ display:flex; align-items:center; gap:14px; }
.contact-list b{ display:block; font-size:15px; }
.contact-list span{ font-size:12.5px; color: rgba(255,255,255,.55); }
.contact-icon{
  width:44px; height:44px; border-radius:50%;
  background: rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.contact-social{ display:flex; gap:10px; margin-top:28px; }
.contact-social a{
  width:42px; height:42px; border-radius:50%;
  background: rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:center;
  transition: background .18s ease;
}
.contact-social a:hover{ background: var(--ember); }

.form{ background:#fff; border-radius: var(--radius-m); padding: 30px; color: var(--ink); }
.form h3{ font-size:18px; }
.form p{ color: var(--ink-soft); font-size:13.5px; margin-top:6px; }
.field{ margin-top:16px; }
.field label{ display:block; font-size:12.5px; font-weight:700; margin-bottom:6px; color: var(--ink-soft); }
.field input, .field select, .field textarea{
  width:100%;
  padding: 13px 14px;
  border-radius: var(--radius-s);
  border: 1.5px solid var(--line);
  background: var(--bg);
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
}
.field textarea{ resize: vertical; min-height:70px; }
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--frost); outline:none; }
.form .btn{ margin-top:18px; }
.form__consent{ margin-top:12px; font-size:11.5px; color: var(--ink-soft); }
.form__status{ margin-top:12px; font-size:13px; font-weight:700; display:none; }
.form__status.ok{ color: var(--frost-dark); display:block; }
.form__status.err{ color: var(--ember-dark); display:block; }

/* =========================================================
   Footer
   ========================================================= */
.footer{ padding: 40px 0 30px; }
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap: 16px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.footer__brand{ display:flex; align-items:center; gap:10px; font-size:13px; color: var(--ink-soft); }
.footer__brand img{ width:24px; height:24px; object-fit:contain; }
.footer__links{ display:flex; gap:22px; font-size:13px; color: var(--ink-soft); flex-wrap:wrap; }
.footer__links a:hover{ color: var(--ink); }

/* =========================================================
   Sticky call button (mobile-friendly quick action)
   ========================================================= */
.quickbar{
  position:fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.quickbar a{
  width:52px; height:52px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-2);
}
.quickbar .call{ background: var(--ember); color:#fff; }
.quickbar .tg{ background:#fff; color: var(--ink); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px){
  .adv-grid{ grid-template-columns: repeat(2,1fr); }
  .process{ grid-template-columns: repeat(3,1fr); }
  .process-step:nth-child(3)::after{ display:none; }
  .works-grid{ grid-template-columns: repeat(2,1fr); }
  .review-grid{ grid-template-columns: repeat(2,1fr); }
  .contact{ grid-template-columns: 1fr; padding: 40px 26px; }
  .hero__inner{ grid-template-columns: 1fr; }
  .hero__art{ order:-1; }
}

@media (max-width: 760px){
  .nav, .header__cta{ display:none; }
  .nav-toggle{ display:flex; }
  .brand__name{ font-size: 14px; }
  .hero__badge{ max-width: min(280px, 78vw); left: 0; }
  .adv-card--wide{ flex-direction:column; align-items:flex-start; }
  .adv-card--wide b{ width:auto; }
  .header.nav-open .nav{
    display:flex;
    position:absolute;
    top: 100%; left:0; right:0;
    background: var(--surface);
    flex-direction:column;
    align-items:flex-start;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--line);
  }
  .header.nav-open .nav a{ width:100%; padding: 12px 0; }
  .hero__stats{ flex-wrap:wrap; gap:22px; }
  .hex-grid, .adv-grid, .process, .works-grid, .review-grid{ grid-template-columns: 1fr; }
  .process-step::after{ display:none; }
  .section{ padding: 64px 0; }
  .contact{ padding: 30px 20px; }
  .form{ padding: 22px; }
}