:root {
  --ink: #071725;
  --ink-2: #0b2233;
  --ink-3: #12354b;
  --paper: #f4f3ee;
  --paper-2: #e9e8e1;
  --white: #ffffff;
  --muted: #71808c;
  --line: rgba(7, 23, 37, .14);
  --line-light: rgba(255, 255, 255, .13);
  --water: #19c5ef;
  --water-deep: #147cc8;
  --heat: #ff9c3e;
  --heat-deep: #ef623a;
  --success: #4cdb9d;
  --shadow: 0 28px 80px rgba(4, 20, 32, .16);
  --radius: 6px;
  --container: 1220px;
  --header-height: 86px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }

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

.skip-link {
  position: fixed;
  z-index: 10000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--white);
  transform: translateY(-150%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

.section { padding-block: clamp(92px, 10vw, 150px); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 24px;
  color: rgba(255, 255, 255, .64);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  line-height: 1.2;
  text-transform: uppercase;
}
.eyebrow > span {
  width: 28px;
  height: 2px;
  background: var(--water);
  box-shadow: 0 0 12px rgba(25, 197, 239, .65);
}
.eyebrow.dark { color: #61717d; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.05; }
h1, h2 {
  margin-bottom: 28px;
  font-size: clamp(47px, 6vw, 86px);
  font-weight: 680;
  letter-spacing: -.055em;
}
h2 { font-size: clamp(40px, 5vw, 68px); }
h1 em, h2 em {
  color: var(--water);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.045em;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 57px;
  padding: 0 25px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button:hover { transform: translateY(-2px); }
.button-primary {
  color: #03141f;
  background: var(--water);
  box-shadow: 0 10px 40px rgba(25, 197, 239, .2);
}
.button-primary:hover { background: #55dcf7; box-shadow: 0 14px 46px rgba(25, 197, 239, .3); }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.22); }
.button-ghost:hover { border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.06); }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { background: var(--ink-3); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 700;
}
.text-link span { color: var(--water-deep); font-size: 20px; transition: transform .25s ease; }
.text-link:hover span { transform: translate(4px, -4px); }

/* Header */
.site-header {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  height: var(--header-height);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.1);
  background: rgba(7, 23, 37, .4);
  backdrop-filter: blur(13px);
  transition: height .3s ease, background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  height: 72px;
  background: rgba(7, 23, 37, .94);
  box-shadow: 0 8px 35px rgba(0,0,0,.16);
}
.header-inner { height: 100%; display: flex; align-items: center; }
.brand { width: 155px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.main-nav { display: flex; align-items: center; gap: clamp(20px, 2.4vw, 38px); margin-inline: auto; }
.main-nav a {
  position: relative;
  color: rgba(255,255,255,.76);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .2s ease;
}
.main-nav a::after {
  position: absolute;
  content: "";
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: var(--water);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--white); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); transform-origin: left; }
.header-call { display: flex; align-items: center; gap: 11px; }
.header-call svg { width: 20px; fill: var(--water); }
.header-call span { display: flex; flex-direction: column; color: var(--white); font-size: 14px; font-weight: 750; line-height: 1.2; }
.header-call small { margin-bottom: 4px; color: rgba(255,255,255,.5); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.menu-toggle { display: none; }

/* Hero */
.hero {
  position: relative;
  min-height: 820px;
  padding: calc(var(--header-height) + 70px) 0 84px;
  color: var(--white);
  background:
    radial-gradient(circle at 74% 48%, rgba(17, 89, 125, .26), transparent 34%),
    linear-gradient(115deg, #06131f 0%, #081b2a 58%, #0a2234 100%);
  isolation: isolate;
  overflow: hidden;
}
.hero::before {
  position: absolute;
  z-index: -1;
  content: "";
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 13, 21, .4), transparent 40%, rgba(2, 11, 18, .15));
}
.hero-grid {
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .42;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to right, black, transparent 88%);
}
.hero-pipes { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; opacity: .5; }
.pipe { fill: none; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.pipe-base { stroke: rgba(255,255,255,.1); stroke-width: 9; }
.pipe-water { stroke: url(#waterGradient); stroke-width: 3; stroke-dasharray: 3 22; filter: url(#softGlow); animation: flow 2.2s linear infinite; }
.pipe-heat { stroke: url(#heatGradient); stroke-width: 3; stroke-dasharray: 3 24; filter: url(#softGlow); animation: flow 2.6s linear infinite reverse; }
.joint { fill: var(--ink); stroke-width: 3; }
.joint-water { stroke: var(--water); filter: drop-shadow(0 0 7px var(--water)); }
.joint-heat { stroke: var(--heat); filter: drop-shadow(0 0 7px var(--heat)); }

.hero-layout { display: grid; grid-template-columns: minmax(0, .98fr) minmax(390px, .78fr); gap: clamp(52px, 7vw, 110px); align-items: center; }
.hero-copy { position: relative; z-index: 2; max-width: 690px; }
.hero h1 { max-width: 700px; }
.hero h1 em { text-shadow: 0 0 45px rgba(25,197,239,.18); }
.hero-lead { max-width: 610px; margin-bottom: 36px; color: rgba(255,255,255,.65); font-size: clamp(17px, 1.45vw, 20px); line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 45px; }
.hero-assurances { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 630px; padding-top: 27px; border-top: 1px solid rgba(255,255,255,.12); }
.hero-assurances > div { display: flex; align-items: flex-start; gap: 10px; min-width: 0; padding-right: 15px; }
.check { display: grid; place-items: center; width: 20px; height: 20px; margin-top: 2px; flex: 0 0 auto; color: var(--ink); background: var(--success); border-radius: 50%; font-size: 11px; font-weight: 900; }
.hero-assurances p { margin: 0; line-height: 1.3; }
.hero-assurances strong, .hero-assurances small { display: block; }
.hero-assurances strong { margin-bottom: 5px; font-size: 12px; }
.hero-assurances small { color: rgba(255,255,255,.42); font-size: 10px; }

.hero-visual { position: relative; min-height: 560px; margin-right: 18px; }
.hero-photo {
  position: absolute;
  inset: 20px 15px 15px 35px;
  border-radius: 180px 6px 6px 6px;
  box-shadow: 0 40px 90px rgba(0,0,0,.38);
  overflow: hidden;
}
.hero-photo::after {
  position: absolute;
  content: "";
  inset: 0;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: inherit;
  background: linear-gradient(160deg, transparent 45%, rgba(2,13,20,.42));
  pointer-events: none;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 52%; filter: saturate(.78) contrast(1.05); transform: scale(1.03); }
.thermal-scan {
  position: absolute;
  z-index: 1;
  top: -30%;
  right: 0;
  left: 0;
  height: 35%;
  background: linear-gradient(180deg, transparent, rgba(255,151,52,.1), rgba(255,177,69,.54), rgba(255,151,52,.08), transparent);
  mix-blend-mode: screen;
  animation: thermalScan 6s ease-in-out infinite;
}
.hero-visual::before {
  position: absolute;
  content: "";
  width: 72%;
  height: 76%;
  right: -18px;
  bottom: -18px;
  border: 1px solid rgba(25,197,239,.24);
  border-radius: 4px;
}
.status-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 224px;
  padding: 14px 15px;
  color: var(--white);
  background: rgba(6, 25, 39, .88);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 18px 45px rgba(0,0,0,.28);
  backdrop-filter: blur(12px);
  animation: statusFloat 5s ease-in-out infinite;
}
.status-card-water { top: 88px; left: -12px; }
.status-card-heat { right: -18px; bottom: 88px; animation-delay: -2.5s; }
.status-card > div { display: flex; flex-direction: column; line-height: 1.35; }
.status-card small { color: rgba(255,255,255,.48); font-size: 9px; letter-spacing: .09em; text-transform: uppercase; }
.status-card strong { font-size: 11px; }
.drop-icon { width: 22px; height: 28px; background: var(--water); border-radius: 65% 35% 60% 40% / 65% 40% 60% 35%; transform: rotate(45deg); box-shadow: 0 0 20px rgba(25,197,239,.4); }
.status-dot { width: 7px; height: 7px; margin-left: auto; background: var(--success); border-radius: 50%; box-shadow: 0 0 0 5px rgba(76,219,157,.1); animation: dotPulse 2s ease infinite; }
.heat-icon { display: grid; place-items: center; width: 30px; height: 30px; color: var(--heat); border: 1px solid rgba(255,156,62,.55); border-radius: 50%; box-shadow: 0 0 20px rgba(255,156,62,.18); }
.temperature { margin-left: auto; color: var(--heat); font-size: 17px; font-weight: 800; }
.hero-label { position: absolute; z-index: 4; bottom: -10px; left: 0; color: rgba(255,255,255,.42); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; writing-mode: vertical-rl; transform: rotate(180deg); }
.hero-label span { color: var(--water); }
.scroll-cue { position: absolute; bottom: 25px; left: 50%; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.34); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue span { position: relative; width: 42px; height: 1px; background: rgba(255,255,255,.18); overflow: hidden; }
.scroll-cue span::after { position: absolute; content: ""; top: 0; bottom: 0; width: 14px; background: var(--water); animation: cue 2s ease-in-out infinite; }

/* Stats */
.stats { color: var(--white); background: #0b2a3d; }
.stats-grid { display: grid; grid-template-columns: 245px 285px 1fr; min-height: 138px; }
.stat { display: flex; align-items: center; gap: 18px; padding: 28px 38px 28px 0; border-right: 1px solid rgba(255,255,255,.1); }
.stat + .stat { padding-left: 38px; }
.stat strong { display: flex; align-items: flex-start; font-size: 48px; line-height: 1; letter-spacing: -.05em; }
.stat sup { margin: 3px 0 0 3px; color: var(--water); font-size: 20px; }
.stat > span { color: rgba(255,255,255,.55); font-size: 11px; line-height: 1.45; text-transform: uppercase; letter-spacing: .09em; }
.stat-copy { border: 0; }
.stat-copy p { margin: 0; color: rgba(255,255,255,.54); font-size: 15px; line-height: 1.45; }
.stat-copy p strong { display: inline; color: var(--white); font-size: inherit; letter-spacing: 0; }
.stat-line { width: 36px; height: 2px; flex: 0 0 auto; background: var(--heat); }

/* About */
.about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: minmax(380px, .9fr) minmax(420px, 1fr); gap: clamp(70px, 9vw, 130px); align-items: center; }
.about-collage { position: relative; min-height: 660px; }
.image-frame { position: absolute; overflow: hidden; box-shadow: var(--shadow); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.image-frame:hover img { transform: scale(1.035); }
.image-frame-main { inset: 0 80px 70px 0; border-radius: 3px 100px 3px 3px; }
.image-frame-main img { object-position: 55% center; }
.image-frame-detail { right: 0; bottom: 0; width: 48%; height: 43%; border: 10px solid var(--paper); border-radius: 3px; }
.experience-seal {
  position: absolute;
  top: 22px;
  right: 6px;
  display: grid;
  place-items: center;
  width: 126px;
  height: 126px;
  background: var(--ink);
  border-radius: 50%;
  box-shadow: 0 18px 55px rgba(7,23,37,.24);
}
.experience-seal svg { width: 112px; height: 112px; overflow: visible; }
.experience-seal text { fill: rgba(255,255,255,.66); font-size: 8px; font-weight: 700; letter-spacing: 2px; animation: sealSpin 18s linear infinite; transform-origin: center; }
.seal-drop { fill: var(--water); transform: scale(.55); transform-origin: center; filter: drop-shadow(0 0 8px rgba(25,197,239,.55)); }
.about-copy h2 em, .principles h2 em, .gallery h2 em, .faq h2 em { color: var(--water-deep); }
.section-lead { color: #213b4c; font-size: 20px; font-weight: 500; line-height: 1.6; }
.about-copy > p:not(.eyebrow) { max-width: 650px; }
.about-copy > p:not(.eyebrow):not(.section-lead) { color: #65747e; }
.values-list { margin: 37px 0 40px; border-top: 1px solid var(--line); }
.values-list > div { display: grid; grid-template-columns: 46px 1fr; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.values-list > div > span { color: var(--water-deep); font-family: Georgia, serif; font-size: 14px; font-style: italic; }
.values-list p { margin: 0; color: #697985; font-size: 14px; }
.values-list strong { display: block; margin-bottom: 3px; color: var(--ink); font-size: 15px; }

/* Services */
.services { position: relative; color: var(--white); background: var(--ink); overflow: hidden; }
.services-backdrop { position: absolute; inset: 0; opacity: .36; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 80px 80px; }
.services::after { position: absolute; content: ""; top: -200px; right: -240px; width: 620px; height: 620px; border: 1px solid rgba(25,197,239,.13); border-radius: 50%; box-shadow: 0 0 0 70px rgba(25,197,239,.015), 0 0 0 140px rgba(25,197,239,.012); }
.services .container { position: relative; z-index: 1; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(320px, 470px); gap: 70px; align-items: end; margin-bottom: 65px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { margin-bottom: 10px; color: rgba(255,255,255,.55); font-size: 17px; line-height: 1.7; }
.service-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.12); }
.service-card {
  position: relative;
  grid-column: span 4;
  min-height: 500px;
  padding: 36px 34px 32px;
  background: #091c2a;
  overflow: hidden;
  transition: background .35s ease, transform .35s ease;
}
.service-card:nth-child(n+4) { grid-column: span 6; min-height: 455px; }
.service-card::after { position: absolute; content: ""; right: -80px; bottom: -80px; width: 200px; height: 200px; border: 1px solid rgba(255,255,255,.06); border-radius: 50%; transition: transform .45s ease, border-color .45s ease; }
.service-card:hover { z-index: 2; background: #0d2839; }
.service-card:hover::after { border-color: rgba(25,197,239,.2); transform: scale(1.6); }
.service-number { color: rgba(255,255,255,.3); font-family: Georgia, serif; font-size: 13px; font-style: italic; }
.service-icon { width: 90px; height: 90px; margin: 32px 0 28px; }
.service-icon svg { width: 100%; height: 100%; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { max-width: 360px; margin-bottom: 22px; font-size: 27px; font-weight: 600; letter-spacing: -.025em; }
.service-card > p { max-width: 410px; color: rgba(255,255,255,.5); font-size: 14px; line-height: 1.65; }
.service-card ul { display: flex; flex-wrap: wrap; gap: 6px; margin: 28px 0 0; padding: 0; list-style: none; }
.service-card li { padding: 5px 9px; color: rgba(255,255,255,.5); border: 1px solid rgba(255,255,255,.11); border-radius: 30px; font-size: 9px; letter-spacing: .05em; text-transform: uppercase; }
.icon-muted { stroke: rgba(255,255,255,.13); stroke-width: 9; }
.icon-flow { stroke: var(--water); stroke-width: 3; stroke-dasharray: 3 10; animation: flow 1.5s linear infinite; }
.valve { fill: var(--ink); stroke: var(--water); stroke-width: 2; }
.valve-line { stroke: var(--water); stroke-width: 2; transform-origin: 42px 30px; animation: valve 8s ease-in-out infinite; }
.floor-base { stroke: rgba(255,255,255,.12); stroke-width: 9; }
.floor-flow { stroke: var(--heat); stroke-width: 3; stroke-dasharray: 2 11; filter: drop-shadow(0 0 4px rgba(255,156,62,.45)); animation: flow 1.6s linear infinite; }
.heat-wave { stroke: var(--heat); stroke-width: 2; opacity: .7; animation: wave 2.2s ease-in-out infinite; }
.wave-2 { animation-delay: -.7s; }.wave-3 { animation-delay: -1.4s; }
.unit { stroke: rgba(255,255,255,.2); stroke-width: 2; }
.gauge { stroke: var(--heat); stroke-width: 2; }
.needle { stroke: var(--heat); stroke-width: 2.5; transform-origin: 50px 37px; animation: needle 4s ease-in-out infinite; }
.unit-line { stroke: var(--water); stroke-width: 2; }
.filter-body { stroke: rgba(255,255,255,.22); stroke-width: 2; }
.water-level { fill: rgba(25,197,239,.18); stroke: var(--water); stroke-width: 2; animation: waterLevel 4s ease-in-out infinite; }
.bubble { fill: var(--water); stroke: none; animation: bubble 2.5s ease-in infinite; }
.bubble-2 { animation-delay: -.8s; }.bubble-3 { animation-delay: -1.5s; }
.gas-pipe { stroke: rgba(255,255,255,.12); stroke-width: 9; }
.gas-flow { stroke: #ffd15c; stroke-width: 3; stroke-dasharray: 3 10; animation: flow 1.5s linear infinite; }
.flame { fill: rgba(255,156,62,.13); stroke: var(--heat); stroke-width: 2; transform-origin: 52px 70px; animation: flame 1.8s ease-in-out infinite; }
.brands { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-top: 45px; }
.brands > span { color: rgba(255,255,255,.35); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.brands > div { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: clamp(20px, 3vw, 42px); }
.brands strong { color: rgba(255,255,255,.38); font-size: 13px; letter-spacing: .05em; }

/* Principles */
.principles { background: #ebeae4; }
.principles-grid { display: grid; grid-template-columns: minmax(350px, .8fr) minmax(470px, 1.15fr); gap: clamp(70px, 10vw, 150px); align-items: start; }
.principles-copy { position: sticky; top: 120px; }
.principles-copy > p:not(.eyebrow) { max-width: 510px; margin-bottom: 35px; color: #65747e; font-size: 17px; }
.principle-list { border-top: 1px solid var(--line); }
.principle-item { display: grid; grid-template-columns: 55px 1fr; gap: 22px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.principle-item > span { color: var(--water-deep); font-family: Georgia, serif; font-size: 14px; font-style: italic; }
.principle-item h3 { margin: 0 0 9px; font-size: 22px; letter-spacing: -.025em; }
.principle-item p { margin: 0; color: #6a7983; font-size: 14px; line-height: 1.65; }

/* Process */
.process { color: var(--white); background: #0a2030; overflow: hidden; }
.process-heading { margin-bottom: 58px; }
.process-track { position: relative; height: 2px; margin: 0 12% 28px; background: rgba(255,255,255,.1); }
.process-track span { position: absolute; inset: 0; background: linear-gradient(90deg, var(--water), var(--water) 49%, var(--heat)); transform: scaleX(0); transform-origin: left; transition: transform 1.8s cubic-bezier(.2,.7,.2,1); }
.process-track.is-visible span { transform: scaleX(1); }
.process-track i { position: absolute; top: 50%; width: 13px; height: 13px; background: #0a2030; border: 2px solid var(--water); border-radius: 50%; transform: translate(-50%,-50%); }
.process-track i:nth-of-type(1) { left: 0; }.process-track i:nth-of-type(2) { left: 50%; }.process-track i:nth-of-type(3) { left: 100%; border-color: var(--heat); }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.process-step { position: relative; min-height: 310px; padding: 35px 10% 0; border-right: 1px solid rgba(255,255,255,.1); }
.process-step:last-child { border: 0; }
.step-number { color: rgba(255,255,255,.28); font-family: Georgia, serif; font-size: 13px; font-style: italic; }
.step-icon { position: absolute; top: 31px; right: 10%; display: grid; place-items: center; width: 30px; height: 30px; color: var(--water); border: 1px solid rgba(25,197,239,.28); border-radius: 50%; }
.process-step:last-child .step-icon { color: var(--heat); border-color: rgba(255,156,62,.3); }
.process-step h3 { margin: 52px 0 15px; font-size: 23px; }
.process-step p { color: rgba(255,255,255,.47); font-size: 14px; }
.process-step small { display: inline-block; margin-top: 8px; color: var(--water); font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.process-step:last-child small { color: var(--heat); }

/* Gallery */
.gallery { padding-bottom: 100px; background: var(--paper); }
.gallery-heading { display: grid; grid-template-columns: 1fr 330px; align-items: end; gap: 70px; margin-bottom: 58px; }
.gallery-heading h2 { margin: 0; }
.gallery-heading > p { margin-bottom: 8px; color: #65747e; line-height: 1.65; }
.gallery-rail { display: flex; align-items: flex-end; gap: 12px; padding: 0 max(24px, calc((100vw - var(--container)) / 2)); overflow-x: auto; scrollbar-width: thin; scrollbar-color: var(--water-deep) transparent; cursor: grab; }
.gallery-rail:active { cursor: grabbing; }
.gallery-item { position: relative; flex: 0 0 clamp(255px, 22vw, 350px); height: 320px; padding: 0; color: var(--white); background: #c5c5c2; border: 0; border-radius: 2px; overflow: hidden; cursor: zoom-in; }
.gallery-item-tall { height: 430px; }
.gallery-item-wide { flex-basis: clamp(340px, 31vw, 480px); height: 360px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.82); transition: transform .8s cubic-bezier(.2,.7,.2,1), filter .5s ease; pointer-events: none; }
.gallery-item:nth-child(1) img, .gallery-item:nth-child(5) img { object-position: center 65%; }
.gallery-item::after { position: absolute; content: ""; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(2,15,24,.75)); pointer-events: none; }
.gallery-item span { position: absolute; z-index: 2; right: 20px; bottom: 18px; left: 20px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; font-weight: 700; pointer-events: none; }
.gallery-item i { display: grid; place-items: center; width: 30px; height: 30px; color: var(--ink); background: var(--water); border-radius: 50%; font-style: normal; }
.gallery-item:hover img { transform: scale(1.045); filter: saturate(1); }
.gallery-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; }
.gallery-footer p { display: flex; align-items: center; gap: 10px; margin: 0; color: #677781; font-size: 12px; }
.live-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; box-shadow: 0 0 0 5px rgba(76,219,157,.12); animation: dotPulse 2s ease infinite; }
.gallery-footer a { display: flex; align-items: center; gap: 15px; font-size: 13px; font-weight: 700; }
.gallery-footer a span { font-size: 20px; transition: transform .2s ease; }
.gallery-footer a:hover span { transform: translateX(5px); }

/* FAQ */
.faq { padding-top: 70px; background: var(--paper); }
.faq-grid { display: grid; grid-template-columns: minmax(270px, .55fr) minmax(470px, 1fr); gap: clamp(70px, 11vw, 160px); align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro > p:not(.eyebrow) { max-width: 330px; color: #65747e; }
.faq-intro .text-link { margin-top: 18px; font-size: 18px; }
.accordion { border-top: 1px solid var(--line); }
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 29px 0; font-size: 17px; font-weight: 700; line-height: 1.3; list-style: none; cursor: pointer; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { position: relative; width: 26px; height: 26px; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 50%; }
.accordion summary span::before, .accordion summary span::after { position: absolute; content: ""; top: 50%; left: 50%; width: 10px; height: 1px; background: var(--ink); transform: translate(-50%,-50%); transition: transform .25s ease; }
.accordion summary span::after { transform: translate(-50%,-50%) rotate(90deg); }
.accordion details[open] summary span::after { transform: translate(-50%,-50%) rotate(0); }
.accordion details[open] summary { color: var(--water-deep); }
.accordion details p { max-width: 640px; margin: -8px 48px 27px 0; color: #687780; font-size: 14px; line-height: 1.75; animation: accordionIn .35s ease; }

/* Contact */
.contact { position: relative; padding-block: clamp(95px, 10vw, 140px); color: var(--white); background: #061725; overflow: hidden; }
.contact::before { position: absolute; content: ""; top: -300px; right: -240px; width: 720px; height: 720px; border: 1px solid rgba(25,197,239,.1); border-radius: 50%; box-shadow: 0 0 0 80px rgba(25,197,239,.018), 0 0 0 160px rgba(25,197,239,.012); }
.contact-pipe { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .35; }
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(330px, .78fr) minmax(500px, 1.05fr); gap: clamp(70px, 9vw, 130px); align-items: start; }
.contact-copy > p:not(.eyebrow) { max-width: 530px; color: rgba(255,255,255,.53); font-size: 17px; }
.contact-data { margin-top: 48px; border-top: 1px solid rgba(255,255,255,.12); }
.contact-data > * { display: grid; grid-template-columns: 95px 1fr; gap: 20px; padding: 21px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.contact-data span { color: rgba(255,255,255,.37); font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.contact-data strong { font-size: 16px; font-weight: 600; }
.contact-data a:hover strong { color: var(--water); }
.contact-form { padding: clamp(30px, 4vw, 54px); color: var(--ink); background: #f7f6f1; border-radius: 3px; box-shadow: 0 35px 100px rgba(0,0,0,.28); }
.form-heading { display: flex; gap: 18px; margin-bottom: 35px; padding-bottom: 25px; border-bottom: 1px solid var(--line); }
.form-heading > span { color: var(--water-deep); font-family: Georgia, serif; font-size: 14px; font-style: italic; }
.form-heading > div { display: flex; flex-direction: column; }
.form-heading strong { font-size: 19px; }
.form-heading small { margin-top: 5px; color: #74828c; font-size: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: block; margin-bottom: 18px; }
.contact-form label > span:first-child { display: block; margin-bottom: 7px; color: #4f616e; font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.contact-form input:not([type="checkbox"]), .contact-form textarea, .contact-form select { width: 100%; padding: 14px 0; color: var(--ink); background: transparent; border: 0; border-bottom: 1px solid #c9cdc9; border-radius: 0; outline: 0; transition: border-color .2s ease; }
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--water-deep); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #a1aaa9; }
.consent { display: flex !important; align-items: flex-start; gap: 10px; margin: 22px 0 !important; }
.consent input { width: 16px; height: 16px; margin: 3px 0 0; accent-color: var(--water-deep); }
.consent > span { margin: 0 !important; color: #738087 !important; font-size: 10px !important; font-weight: 400 !important; line-height: 1.5; letter-spacing: 0 !important; text-transform: none !important; }
.consent a { color: var(--water-deep); text-decoration: underline; }
.form-submit { width: 100%; border: 0; cursor: pointer; }
.form-note { margin: 13px 0 0; color: #84908f; font-size: 10px; text-align: center; }
.privacy { padding: 18px 0; color: #aeb9c0; background: #061725; border-top: 1px solid rgba(255,255,255,.08); }
.privacy details { font-size: 11px; }
.privacy summary { color: rgba(255,255,255,.55); cursor: pointer; }
.privacy p { max-width: 800px; margin: 12px 0 4px; }

/* Footer */
.site-footer { color: rgba(255,255,255,.55); background: #04111b; }
.footer-top { display: grid; grid-template-columns: 190px 1fr 46px; align-items: center; gap: 55px; padding-block: 45px; border-bottom: 1px solid rgba(255,255,255,.09); }
.footer-brand img { width: 170px; }
.footer-top p { margin: 0; font-size: 13px; line-height: 1.6; }
.social-link { display: grid; place-items: center; width: 42px; height: 42px; color: var(--white); border: 1px solid rgba(255,255,255,.2); border-radius: 50%; font-size: 18px; font-weight: 800; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.social-link:hover { color: var(--ink); background: var(--water); border-color: var(--water); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 25px; padding-block: 20px; font-size: 9px; letter-spacing: .09em; text-transform: uppercase; }
.footer-bottom a:hover { color: var(--white); }
.mobile-call { display: none; }

/* Lightbox */
.lightbox { width: min(92vw, 1050px); max-width: none; padding: 0; background: transparent; border: 0; overflow: visible; }
.lightbox::backdrop { background: rgba(2,10,16,.91); backdrop-filter: blur(8px); }
.lightbox img { width: 100%; max-height: 84vh; object-fit: contain; box-shadow: 0 30px 100px rgba(0,0,0,.5); }
.lightbox-close { position: absolute; z-index: 2; top: -46px; right: 0; width: 38px; height: 38px; padding: 0; color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; font-size: 25px; line-height: 1; cursor: pointer; }

/* Scroll reveal */
.motion-ready .reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.7,.2,1); }
.motion-ready .reveal.reveal-delay { transition-delay: .14s; }
.motion-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }
.motion-ready .service-card.reveal:nth-child(2), .motion-ready .process-step.reveal:nth-child(2) { transition-delay: .1s; }
.motion-ready .service-card.reveal:nth-child(3), .motion-ready .process-step.reveal:nth-child(3) { transition-delay: .2s; }
.motion-ready .service-card.reveal:nth-child(4) { transition-delay: .1s; }
.motion-ready .service-card.reveal:nth-child(5) { transition-delay: .2s; }

@keyframes flow { to { stroke-dashoffset: -50; } }
@keyframes thermalScan { 0%, 12% { transform: translateY(-20%); opacity: 0; } 35%, 65% { opacity: 1; } 88%, 100% { transform: translateY(420%); opacity: 0; } }
@keyframes statusFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes dotPulse { 50% { box-shadow: 0 0 0 8px rgba(76,219,157,0); } }
@keyframes cue { from { transform: translateX(-16px); } to { transform: translateX(48px); } }
@keyframes sealSpin { to { transform: rotate(360deg); } }
@keyframes valve { 0%,35%,100% { transform: rotate(0); } 50%,80% { transform: rotate(90deg); } }
@keyframes wave { 0%,100% { transform: translateY(2px); opacity: .2; } 50% { transform: translateY(-3px); opacity: .9; } }
@keyframes needle { 0%,100% { transform: rotate(-18deg); } 50% { transform: rotate(24deg); } }
@keyframes waterLevel { 50% { transform: translateY(-3px); } }
@keyframes bubble { 0% { transform: translateY(7px); opacity: 0; } 30% { opacity: .9; } 100% { transform: translateY(-15px); opacity: 0; } }
@keyframes flame { 0%,100% { transform: scale(.92) skewX(-2deg); } 50% { transform: scale(1.05) skewX(2deg); filter: drop-shadow(0 0 8px rgba(255,156,62,.5)); } }
@keyframes accordionIn { from { opacity: 0; transform: translateY(-5px); } }

@media (max-width: 1080px) {
  :root { --container: 940px; }
  .main-nav { gap: 19px; }
  .header-call small { display: none; }
  .hero { min-height: 760px; }
  .hero-layout { grid-template-columns: minmax(0, 1fr) minmax(350px, .75fr); gap: 45px; }
  .hero-visual { min-height: 515px; }
  .hero-assurances { grid-template-columns: 1fr 1fr; row-gap: 18px; }
  .stats-grid { grid-template-columns: 210px 245px 1fr; }
  .stat, .stat + .stat { padding-inline: 25px; }
  .about-grid { gap: 60px; }
  .about-collage { min-height: 580px; }
  .image-frame-main { right: 55px; }
  .service-card { grid-column: span 6; min-height: 440px; }
  .service-card:nth-child(n+4) { grid-column: span 6; }
  .service-card:last-child { grid-column: span 12; min-height: 370px; }
  .principles-grid, .contact-grid { gap: 65px; }
}

@media (max-width: 860px) {
  :root { --header-height: 72px; }
  .container { width: min(calc(100% - 38px), var(--container)); }
  .site-header { height: var(--header-height); background: rgba(7,23,37,.94); }
  .brand { width: 143px; }
  .menu-toggle { position: relative; z-index: 2; display: flex; width: 42px; height: 42px; margin-left: auto; padding: 10px; flex-direction: column; align-items: flex-end; justify-content: center; gap: 5px; background: transparent; border: 1px solid rgba(255,255,255,.18); cursor: pointer; }
  .menu-toggle span { width: 20px; height: 1px; background: var(--white); transition: transform .25s ease, opacity .25s ease; }
  .menu-toggle span:nth-child(2) { width: 14px; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .main-nav { position: fixed; inset: var(--header-height) 0 auto; display: flex; padding: 28px 24px 35px; flex-direction: column; align-items: flex-start; gap: 0; background: rgba(7,23,37,.98); border-top: 1px solid rgba(255,255,255,.08); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: transform .3s ease, opacity .3s ease; }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { width: 100%; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 13px; }
  .main-nav a::after { display: none; }
  .header-call { display: none; }
  .hero { padding-top: calc(var(--header-height) + 64px); }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 720px; }
  .hero-visual { width: min(100%, 600px); min-height: 560px; margin: 0 auto; }
  .hero-pipes { opacity: .3; }
  .scroll-cue { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-copy { display: none; }
  .stat:nth-child(2) { border-right: 0; }
  .about-grid { grid-template-columns: 1fr; }
  .about-collage { width: min(100%, 620px); min-height: 650px; }
  .section-heading, .gallery-heading { grid-template-columns: 1fr; gap: 20px; }
  .section-heading > p, .gallery-heading > p { max-width: 600px; }
  .principles-grid { grid-template-columns: 1fr; }
  .principles-copy, .faq-intro { position: static; }
  .principles-copy > p:not(.eyebrow) { max-width: 680px; }
  .process-track { display: none; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { min-height: auto; padding: 32px 20px 34px 55px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .process-step h3 { margin-top: 28px; }
  .step-icon { top: 32px; right: 20px; }
  .faq-grid { grid-template-columns: 1fr; gap: 55px; }
  .faq-intro > p:not(.eyebrow) { max-width: 600px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-copy { max-width: 700px; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding-block: 84px; }
  h1 { font-size: clamp(44px, 13.8vw, 66px); }
  h2 { font-size: clamp(38px, 11vw, 54px); }
  .eyebrow { margin-bottom: 18px; }
  .hero { min-height: auto; padding-bottom: 68px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .hero-assurances { grid-template-columns: 1fr 1fr; }
  .hero-assurances > div:nth-child(3) { grid-column: span 2; }
  .hero-visual { min-height: 460px; }
  .hero-photo { inset: 12px 3px 20px 18px; border-radius: 125px 4px 4px; }
  .hero-visual::before { right: -6px; bottom: 0; }
  .status-card { min-width: 194px; padding: 11px; }
  .status-card-water { top: 62px; left: 0; }
  .status-card-heat { right: -4px; bottom: 57px; }
  .hero-label { display: none; }
  .stats-grid { min-height: 112px; }
  .stat, .stat + .stat { gap: 10px; padding: 23px 11px; }
  .stat:first-child { padding-left: 0; }
  .stat strong { font-size: 38px; }
  .stat > span { font-size: 8px; }
  .about-collage { min-height: 470px; }
  .image-frame-main { right: 40px; bottom: 55px; }
  .image-frame-detail { width: 48%; height: 40%; border-width: 7px; }
  .experience-seal { top: 8px; right: 0; width: 98px; height: 98px; }
  .experience-seal svg { width: 88px; height: 88px; }
  .section-lead { font-size: 18px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card, .service-card:nth-child(n+4), .service-card:last-child { grid-column: auto; min-height: auto; padding: 30px 26px 34px; }
  .service-icon { margin-block: 22px; }
  .brands { align-items: flex-start; flex-direction: column; }
  .brands > div { justify-content: flex-start; }
  .principle-item { grid-template-columns: 38px 1fr; gap: 12px; }
  .gallery-rail { padding-inline: 14px; }
  .gallery-item, .gallery-item-wide { flex-basis: 78vw; height: 330px; }
  .gallery-item-tall { height: 390px; }
  .gallery-footer { align-items: flex-start; flex-direction: column; gap: 18px; }
  .accordion summary { padding-block: 24px; font-size: 15px; }
  .contact-form { padding: 27px 21px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-data > * { grid-template-columns: 76px 1fr; }
  .footer-top { grid-template-columns: 1fr 46px; gap: 22px; }
  .footer-top p { grid-column: 1 / -1; grid-row: 2; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; padding-bottom: 100px; }
  .mobile-call { position: fixed; z-index: 900; right: 14px; bottom: 14px; left: 14px; display: flex; align-items: center; justify-content: center; gap: 11px; min-height: 56px; color: #03141f; background: var(--water); border-radius: 3px; box-shadow: 0 18px 55px rgba(0,0,0,.3); font-size: 11px; font-weight: 600; }
  .mobile-call svg { width: 19px; fill: currentColor; }
  .mobile-call strong { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
  .motion-ready .reveal { opacity: 1; transform: none; }
}

/* Status i ochrona formularza wysyłanego przez PHP */
.form-submit:disabled { opacity: .65; cursor: wait; transform: none; }
.form-note.form-success { color: #147a52; font-weight: 700; }
.form-note.form-error { color: #b33b2e; font-weight: 700; }
.website-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }