/* ==========================================================================
   Groupe MB Estrie — site.css
   ========================================================================== */

:root {
  --font: 'Lexend', sans-serif;
  --font-alt: 'Space Grotesk', sans-serif;

  /* ---- Summer palette (default) ---- */
  --accent: #2ab939;
  --accent-rgb: 42, 185, 57;
  --accent-light: #7be86a;
  --accent-light-rgb: 123, 232, 106;

  --bg: #0c130d;
  --bg-rgb: 12, 19, 13;
  --bg-elev: #121b13;
  --bg-elev-2: #17221a;
  --card-bg: rgba(255, 255, 255, 0.045);
  --card-bdr: rgba(233, 239, 229, 0.1);

  --text: #eef3ea;
  --text-dim: #a9b8a5;
  --text-dim-2: #7c8a79;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --transition: 420ms cubic-bezier(.22, 1, .36, 1);
}

html[data-theme="winter"] {
  --accent: #35abe0;
  --accent-rgb: 53, 171, 224;
  --accent-light: #a9e6ff;
  --accent-light-rgb: 169, 230, 255;

  --bg: #0a121c;
  --bg-rgb: 10, 18, 28;
  --bg-elev: #101c2b;
  --bg-elev-2: #142335;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-bdr: rgba(226, 241, 255, 0.12);

  --text: #eef6fc;
  --text-dim: #a7b9c9;
  --text-dim-2: #7c8fa0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

.hide-sm { }

::selection { background: rgba(var(--accent-rgb), .35); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(var(--accent-rgb), .4); border-radius: 10px; }

/* ==========================================================================
   Page loader
   ========================================================================== */
.page-loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s ease, visibility .6s ease;
}
.page-loader__mark {
  font-family: var(--font-alt);
  font-weight: 700;
  font-size: 15vw;
  color: transparent;
  -webkit-text-stroke: 1px rgba(var(--accent-rgb), .5);
  animation: pulseMark 1.4s ease-in-out infinite;
}
@keyframes pulseMark {
  0%, 100% { opacity: .35; transform: scale(1); }
  50% { opacity: .9; transform: scale(1.04); }
}
.page-loader.is-hidden { opacity: 0; visibility: hidden; }

/* ==========================================================================
   Glow / typography helpers
   ========================================================================== */
.glow {
  color: var(--accent-light);
  text-shadow:
    0 0 8px rgba(var(--accent-rgb), .55),
    0 0 26px rgba(var(--accent-rgb), .35),
    0 0 60px rgba(var(--accent-rgb), .18);
  transition: color var(--transition), text-shadow var(--transition);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-alt);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin: 0 0 14px;
}
.kicker__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px 2px rgba(var(--accent-rgb), .8);
  flex: none;
}

.section-title {
  font-family: var(--font-alt);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  color: var(--text);
  margin: 0 0 18px;
  letter-spacing: -.01em;
}
.section-sub { max-width: 560px; color: var(--text-dim); margin: 0 0 30px; }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head .section-sub { margin-left: auto; margin-right: auto; }

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 100px;
  font-family: var(--font-alt);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn--glow {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #08130a;
  box-shadow: 0 8px 24px -6px rgba(var(--accent-rgb), .55), 0 0 0 rgba(var(--accent-rgb), 0);
}
html[data-theme="winter"] .btn--glow { color: #061420; }
.btn--glow:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px -8px rgba(var(--accent-rgb), .75), 0 0 30px rgba(var(--accent-rgb), .35);
}
.btn--ghost {
  background: rgba(255, 255, 255, .04);
  color: var(--text);
  border-color: var(--card-bdr);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover {
  border-color: rgba(var(--accent-rgb), .6);
  color: var(--accent-light);
  transform: translateY(-3px);
}
.btn--lg { padding: 18px 34px; font-size: 15.5px; }
.btn--block { width: 100%; }

/* ==========================================================================
   Topbar
   ========================================================================== */
.topbar {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--card-bdr);
  font-size: 13px;
  position: relative;
  z-index: 210;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  gap: 16px;
}
.topbar__contact {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--text-dim);
  overflow: hidden;
}
.topbar__contact li { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.topbar__contact a:hover { color: var(--accent-light); }
.topbar__contact i { color: var(--accent); font-size: 12px; }

.topbar__right { display: flex; align-items: center; gap: 16px; flex: none; }
.topbar__social {
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--card-bdr);
  font-size: 12px;
  color: var(--text-dim);
  transition: all var(--transition);
}
.topbar__social:hover { color: var(--accent-light); border-color: rgba(var(--accent-rgb),.5); }

/* Season toggle */
.season-toggle {
  position: relative;
  display: inline-flex;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--card-bdr);
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
}
.season-toggle__btn {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-alt);
  font-weight: 600;
  font-size: 12.5px;
  padding: 6px 14px;
  border-radius: 100px;
  transition: color var(--transition);
}
.season-toggle__btn i { font-size: 12px; }
.season-toggle__btn[aria-pressed="true"] { color: #08130a; }
html[data-theme="winter"] .season-toggle__btn[aria-pressed="true"] { color: #061420; }
.season-toggle__glider {
  position: absolute;
  top: 3px; bottom: 3px; left: 3px;
  width: calc(50% - 3px);
  border-radius: 100px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  box-shadow: 0 0 16px rgba(var(--accent-rgb), .55);
  transition: transform var(--transition), background var(--transition);
  z-index: 1;
}
html[data-theme="winter"] .season-toggle__glider { transform: translateX(100%); }

/* ==========================================================================
   Header / nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(var(--bg-rgb), .5);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  background: rgba(var(--bg-rgb), .82);
  border-color: var(--card-bdr);
  box-shadow: 0 10px 30px -14px rgba(0,0,0,.6);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 24px;
}
.brand img { height: 54px; width: auto; }

.main-nav ul { display: flex; align-items: center; gap: 6px; }
.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 16px;
  font-family: var(--font-alt);
  font-weight: 500;
  font-size: 14.5px;
  color: var(--text-dim);
  border-radius: 100px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav-link.active { color: var(--accent-light); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(var(--accent-rgb), .8);
}

.site-header__right { display: flex; align-items: center; gap: 16px; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--card-bdr);
  border-radius: 10px;
}
.hamburger span {
  width: 18px; height: 2px; margin: 0 auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Mobile nav
   ========================================================================== */
.mobile-nav {
  position: fixed; inset: 0; z-index: 300;
  visibility: hidden;
  pointer-events: none;
}
.mobile-nav.is-open { visibility: visible; pointer-events: auto; }
.mobile-nav__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .4s ease;
}
.mobile-nav.is-open .mobile-nav__overlay { opacity: 1; }
.mobile-nav__panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(92vw, 380px);
  background: var(--bg-elev);
  border-left: 1px solid var(--card-bdr);
  padding: 28px 26px 34px;
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .45s cubic-bezier(.22,1,.36,1);
  overflow-y: auto;
}
.mobile-nav.is-open .mobile-nav__panel { transform: translateX(0); }
.mobile-nav__close {
  align-self: flex-end;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--card-bdr);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-size: 15px;
}
.mobile-nav__logo { height: 64px; width: auto; align-self: flex-start; margin: 6px 0 30px; }
.mobile-nav__list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 24px; }
.mobile-nav__list a {
  display: block;
  padding: 14px 6px;
  font-family: var(--font-alt);
  font-weight: 600;
  font-size: 19px;
  color: var(--text);
  border-bottom: 1px solid var(--card-bdr);
}
.mobile-nav__list a:hover { color: var(--accent-light); }
.mobile-nav__contact { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.mobile-nav__contact a { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 15px; }
.mobile-nav__contact i { color: var(--accent); width: 16px; }
.mobile-nav__social {
  margin-top: 18px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px; border-radius: 100px;
  border: 1px solid var(--card-bdr);
  color: var(--text-dim);
  font-family: var(--font-alt); font-weight: 600; font-size: 14px;
}

body.nav-locked { overflow: hidden; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.1s ease, transform 8s linear;
}
.hero__img--summer { opacity: 1; transform: scale(1.14); }
html[data-theme="winter"] .hero__img--summer { opacity: 0; transform: scale(1.08); }
html[data-theme="winter"] .hero__img--winter { opacity: 1; transform: scale(1.14); }

.hero__gradient {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(var(--bg-rgb), .55) 0%, rgba(var(--bg-rgb), .78) 55%, var(--bg) 100%),
    linear-gradient(90deg, rgba(var(--bg-rgb), .92) 0%, rgba(var(--bg-rgb), .35) 55%, rgba(var(--bg-rgb), .55) 100%);
  transition: background var(--transition);
}

.hero__inner { position: relative; z-index: 2; padding: 120px 24px 100px; }
.hero__title {
  font-family: var(--font-alt);
  font-weight: 700;
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.08;
  color: var(--text);
  margin: 0 0 22px;
  max-width: 820px;
  letter-spacing: -.02em;
}
.hero__subtitle { font-size: 18px; max-width: 540px; color: var(--text-dim); margin: 0 0 34px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 46px; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__badge {
  display: flex; align-items: center; gap: 9px;
  padding: 10px 18px;
  border-radius: 100px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--card-bdr);
  backdrop-filter: blur(8px);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-dim);
}
.hero__badge i { color: var(--accent-light); }

.hero__scroll {
  position: absolute;
  left: 50%; bottom: 30px;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px; height: 42px;
  border: 2px solid var(--card-bdr);
  border-radius: 20px;
}
.hero__scroll span {
  position: absolute;
  top: 7px; left: 50%;
  width: 4px; height: 8px;
  margin-left: -2px;
  border-radius: 3px;
  background: var(--accent-light);
  box-shadow: 0 0 8px rgba(var(--accent-rgb), .8);
  animation: scrollDot 1.7s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { top: 7px; opacity: 1; }
  70% { top: 22px; opacity: 0; }
  100% { top: 7px; opacity: 0; }
}

/* season-only text swap */
[data-season-text] { display: none; }
html[data-theme="summer"] [data-season-text="summer"] { display: inline; }
html[data-theme="winter"] [data-season-text="winter"] { display: inline; }

/* ==========================================================================
   Strip
   ========================================================================== */
.strip { padding: 46px 0; border-bottom: 1px solid var(--card-bdr); }
.strip__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.strip__item { display: flex; align-items: center; gap: 16px; }
.strip__item > span {
  flex: none;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: rgba(var(--accent-rgb), .12);
  color: var(--accent-light);
  font-size: 20px;
}
.strip__item h4 { margin: 0 0 3px; font-family: var(--font-alt); font-size: 15.5px; color: var(--text); }
.strip__item p { margin: 0; font-size: 13px; color: var(--text-dim-2); }

/* ==========================================================================
   About
   ========================================================================== */
.about { padding: 120px 0; }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.about__media { position: relative; }
.about__img-main {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about__img-float {
  position: absolute;
  width: 46%;
  bottom: -8%; left: -10%;
  border-radius: var(--radius-sm);
  border: 6px solid var(--bg);
  box-shadow: var(--shadow);
}
.about__stat {
  position: absolute;
  top: 24px; right: -18px;
  display: flex; flex-direction: column;
  padding: 16px 22px;
  border-radius: var(--radius-sm);
  text-align: center;
}
.about__stat strong { font-family: var(--font-alt); font-size: 22px; color: var(--accent-light); }
.about__stat span { font-size: 11.5px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .06em; }

.glow-box {
  background: rgba(var(--bg-rgb), .75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(var(--accent-rgb), .35);
  box-shadow: 0 0 30px -6px rgba(var(--accent-rgb), .4);
}

.about__text { margin: 0 0 22px; }
.check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin-bottom: 32px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--text-dim); }
.check-list i {
  flex: none;
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), .16);
  color: var(--accent-light);
  font-size: 10px;
}

/* ==========================================================================
   Services
   ========================================================================== */
.services { padding: 120px 0; background: var(--bg-elev); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.service-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-bdr);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), order var(--transition);
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(var(--accent-rgb), .5);
  box-shadow: 0 24px 50px -20px rgba(var(--accent-rgb), .35);
}
.service-card__img { height: 190px; overflow: hidden; }
.service-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.service-card:hover .service-card__img img { transform: scale(1.08); }
.service-card__badge {
  position: absolute;
  top: 14px; left: 14px;
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 100px;
  font-family: var(--font-alt);
  font-size: 11.5px; font-weight: 600;
  backdrop-filter: blur(6px);
  color: #08130a;
}
.service-card__badge--summer { background: rgba(123, 232, 106, .92); }
.service-card__badge--winter { background: rgba(169, 230, 255, .92); color: #061420; }
.service-card__body { padding: 24px 24px 28px; }
.service-card__icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: rgba(var(--accent-rgb), .14);
  color: var(--accent-light);
  font-size: 18px;
  margin-bottom: 14px;
}
.service-card h3 { margin: 0 0 8px; font-family: var(--font-alt); font-size: 18px; color: var(--text); }
.service-card p { margin: 0; font-size: 14px; color: var(--text-dim-2); }

.service-card.is-active-season {
  border-color: rgba(var(--accent-rgb), .55);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), .2), 0 24px 44px -22px rgba(var(--accent-rgb), .45);
}

/* ==========================================================================
   Equipment
   ========================================================================== */
.equipment { padding: 120px 0; }
.equipment__compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}
.equipment__pane { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.equipment__pane img { width: 100%; height: 320px; object-fit: cover; transition: transform .6s ease; }
.equipment__pane:hover img { transform: scale(1.06); }
.equipment__tag {
  position: absolute; left: 16px; bottom: 16px;
  display: flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  border-radius: 100px;
  font-family: var(--font-alt);
  font-weight: 600;
  font-size: 13px;
  backdrop-filter: blur(8px);
}
.equipment__tag--summer { background: rgba(123, 232, 106, .92); color: #08130a; }
.equipment__tag--winter { background: rgba(169, 230, 255, .92); color: #061420; }
.equipment__vs {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  box-shadow: 0 0 24px rgba(var(--accent-rgb), .6);
}
.equipment__vs span { font-family: var(--font-alt); font-weight: 700; color: #08130a; font-size: 14px; }
html[data-theme="winter"] .equipment__vs span { color: #061420; }

.equipment__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.equipment__card {
  background: var(--card-bg);
  border: 1px solid var(--card-bdr);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.equipment__card:hover { transform: translateY(-6px); border-color: rgba(var(--accent-rgb), .45); }
.equipment__card img { width: 100%; height: 170px; object-fit: cover; }
.equipment__card h4 { margin: 18px 20px 6px; font-family: var(--font-alt); font-size: 16px; color: var(--text); }
.equipment__card p { margin: 0 20px 20px; font-size: 13.5px; color: var(--text-dim-2); }

/* ==========================================================================
   Projects / before-after / gallery
   ========================================================================== */
.projects { padding: 120px 0; background: var(--bg-elev); }

.ba-slider {
  position: relative;
  max-width: 900px;
  margin: 0 auto 60px;
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--card-bdr);
  user-select: none;
  cursor: ew-resize;
}
.ba-slider__after,
.ba-slider__before { width: 100%; height: 100%; object-fit: cover; display: block; }
.ba-slider__after { position: absolute; inset: 0; }
.ba-slider__before-wrap {
  position: absolute; inset: 0;
  width: 50%;
  overflow: hidden;
  border-right: 2px solid var(--accent-light);
}
.ba-slider__before-wrap img { width: 900px; max-width: none; height: 100%; object-fit: cover; }
.ba-slider__handle {
  position: absolute;
  top: 50%; left: 50%;
  width: 48px; height: 48px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--accent-light);
  color: #08130a;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 6px rgba(var(--accent-rgb), .25), 0 8px 20px rgba(0,0,0,.4);
  pointer-events: none;
}
.ba-slider__label {
  position: absolute; bottom: 16px;
  padding: 7px 14px;
  border-radius: 100px;
  font-family: var(--font-alt);
  font-weight: 600;
  font-size: 12.5px;
  background: rgba(var(--bg-rgb), .65);
  color: var(--text);
  backdrop-filter: blur(6px);
  border: 1px solid var(--card-bdr);
}
.ba-slider__label--left { left: 16px; }
.ba-slider__label--right { right: 16px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery__item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: zoom-in;
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.gallery__item span {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(var(--bg-rgb), 0);
  color: #fff;
  font-size: 22px;
  opacity: 0;
  transition: all .4s ease;
}
.gallery__item:hover img { transform: scale(1.1); }
.gallery__item:hover span { opacity: 1; background: rgba(var(--bg-rgb), .45); }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta { padding: 90px 0; }
.cta__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  padding: 56px 56px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--bg-elev-2), var(--bg-elev));
  border: 1px solid var(--card-bdr);
  overflow: hidden;
}
.cta__inner::before {
  content: '';
  position: absolute;
  width: 480px; height: 480px;
  right: -160px; top: -220px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), .35), transparent 70%);
  filter: blur(10px);
}
.cta__text { position: relative; z-index: 1; }
.cta__text h2 { font-family: var(--font-alt); font-size: clamp(24px, 3.4vw, 34px); color: var(--text); margin: 0 0 10px; line-height: 1.25; }
.cta__text p { margin: 0; color: var(--text-dim); max-width: 420px; }
.cta__actions { position: relative; z-index: 1; display: flex; gap: 14px; flex-wrap: wrap; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact { padding: 120px 0; }
.contact__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; }
.contact__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }
.contact__card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px;
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  border: 1px solid var(--card-bdr);
  transition: border-color var(--transition), transform var(--transition);
}
a.contact__card:hover { transform: translateY(-4px); border-color: rgba(var(--accent-rgb), .5); }
.contact__card i { font-size: 18px; color: var(--accent-light); flex: none; }
.contact__card strong { display: block; font-size: 13.5px; color: var(--text); }
.contact__card span { display: block; font-size: 12.5px; color: var(--text-dim-2); }

.contact__form {
  background: var(--card-bg);
  border: 1px solid var(--card-bdr);
  border-radius: var(--radius);
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 12.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--text-dim-2); margin-bottom: 8px; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--card-bdr);
  background: rgba(255,255,255,.03);
  color: var(--text);
  font-size: 14.5px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-dim-2); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(var(--accent-rgb), .6);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), .15);
}
.form-field textarea { resize: vertical; }
.form-field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-dim) 50%), linear-gradient(135deg, var(--text-dim) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--bg-elev); border-top: 1px solid var(--card-bdr); padding-top: 70px; }
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
}
.site-footer__brand img { height: 48px; margin-bottom: 16px; }
.site-footer__brand p { max-width: 280px; font-size: 14px; margin: 0 0 18px; }
.site-footer__social {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--card-bdr);
  color: var(--text-dim);
}
.site-footer__social:hover { color: var(--accent-light); border-color: rgba(var(--accent-rgb), .5); }
.site-footer__col h5 { font-family: var(--font-alt); color: var(--text); font-size: 15px; margin: 0 0 18px; }
.site-footer__col ul { display: flex; flex-direction: column; gap: 11px; }
.site-footer__col a { font-size: 14px; color: var(--text-dim); }
.site-footer__col a:hover { color: var(--accent-light); }
.site-footer__col li { font-size: 14px; color: var(--text-dim); }
.site-footer__bottom { border-top: 1px solid var(--card-bdr); padding: 20px 0; }
.site-footer__bottom p { margin: 0; font-size: 13px; text-align: center; color: var(--text-dim-2); }

/* ==========================================================================
   Floating elements
   ========================================================================== */
.mobile-call-fab {
  display: none;
  position: fixed;
  right: 18px; bottom: 18px;
  z-index: 150;
  width: 58px; height: 58px;
  border-radius: 50%;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #08130a;
  font-size: 20px;
  box-shadow: 0 10px 30px -6px rgba(var(--accent-rgb), .7);
  animation: fabPulse 2.4s ease-in-out infinite;
  opacity: 1;
  visibility: visible;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}
html[data-theme="winter"] .mobile-call-fab { color: #061420; }
@keyframes fabPulse {
  0%, 100% { box-shadow: 0 10px 30px -6px rgba(var(--accent-rgb), .7); }
  50% { box-shadow: 0 10px 40px -2px rgba(var(--accent-rgb), .95); }
}

.scroll-top {
  position: fixed;
  right: 18px; bottom: 18px;
  z-index: 149;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--card-bdr);
  background: rgba(var(--bg-rgb), .8);
  backdrop-filter: blur(8px);
  color: var(--text);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
}
.scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { color: var(--accent-light); border-color: rgba(var(--accent-rgb), .5); }

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lightbox {
  position: fixed; inset: 0; z-index: 400;
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  background: rgba(4, 8, 5, .92);
  backdrop-filter: blur(6px);
  opacity: 0; visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 100%; max-height: 86vh;
  border-radius: 12px;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.8);
  transform: scale(.94);
  transition: transform .35s ease;
}
.lightbox.is-open img { transform: scale(1); }
.lightbox__close {
  position: absolute; top: 24px; right: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.06);
  color: #fff;
  font-size: 16px;
}

/* ==========================================================================
   Snow canvas
   ========================================================================== */
#snow-canvas {
  position: fixed; inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  transition: opacity .8s ease;
}
html[data-theme="winter"] #snow-canvas { opacity: 1; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .hide-sm { display: none !important; }
  .strip__inner { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; gap: 90px; }
  .about__img-float { width: 55%; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .equipment__grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .contact__grid { grid-template-columns: 1fr; gap: 50px; }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .container { padding: 0 18px; }
  .topbar__inner { height: auto; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; }
  .topbar__contact { gap: 14px; font-size: 12px; }
  .site-header__inner { height: 68px; }
  .brand img { height: 50px; }
  .hero__inner { padding: 90px 18px 90px; }
  .hero__title { font-size: clamp(30px, 8vw, 40px); }
  .hero__subtitle { font-size: 16px; }
  .hero__actions .btn { flex: 1 1 auto; }
  .strip__inner { grid-template-columns: 1fr; gap: 20px; }
  .about, .services, .equipment, .projects, .contact { padding: 80px 0; }
  .about__img-float { display: none; }
  .about__stat { top: -16px; right: 0; }
  .check-list { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .equipment__compare { grid-template-columns: 1fr; }
  .equipment__vs { margin: -10px auto; transform: rotate(90deg); }
  .equipment__grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .contact__cards { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 34px; padding-bottom: 40px; }
  .site-footer__bottom { padding: 22px 0 28px; }
  .cta__inner { padding: 40px 26px; flex-direction: column; align-items: flex-start; }
  .mobile-call-fab { display: flex; }
  .mobile-call-fab.is-footer-visible,
  .scroll-top.is-footer-visible { opacity: 0; visibility: hidden; transform: translateY(10px) scale(.9); pointer-events: none; }
  .scroll-top { right: auto; left: 18px; }
}