:root {
  --ink: #102c3b;
  --ink-deep: #071c27;
  --ink-soft: #365f70;
  --orange: #cb6845;
  --orange-dark: #9f492f;
  --paper: #eeeae2;
  --steel: #eeeae2;
  --line: #d8cfc2;
  --white: #fffdfa;
  --muted: #5b6f79;
  --shadow: 0 20px 55px rgba(8, 34, 47, .13);
  --shadow-soft: 0 10px 30px rgba(8, 34, 47, .075);
  --radius: 15px;
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  padding: 10px 14px;
  z-index: 100;
  background: var(--paper);
  border-radius: 8px;
}

.skip-link:focus { top: 12px; }

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

.contact-strip {
  position: relative;
  z-index: 42;
  color: var(--ink);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.contact-strip-inner {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.contact-strip-inner > strong {
  font-size: 11px;
  letter-spacing: .055em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-strip-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-strip-links a {
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.contact-strip-links a::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin: 0 8px 2px 0;
  border-radius: 50%;
  background: #db7a56;
  box-shadow: 0 0 0 3px rgba(219,122,86,.13);
}

.contact-strip-links a[href^="https://wa.me/"]::before,
.contact-dock-phone::before {
  content: "";
  flex: 0 0 auto;
  display: inline-block;
  width: 19px;
  height: 19px;
  margin: 0 7px 1px 0;
  border-radius: 50%;
  background-color: #25d366;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M20 11.6a8 8 0 0 1-11.8 7L4 20l1.4-4.1A8 8 0 1 1 20 11.6Z' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M8.3 7.9c.2-.4.4-.4.7-.4h.5c.2 0 .4.1.5.4l.8 1.9c.1.3.1.5-.1.7l-.6.7c-.2.2-.1.4 0 .6.7 1.2 1.7 2.2 3 2.8.2.1.4.1.6-.1l.8-1c.2-.2.4-.3.7-.2l1.8.9c.3.1.4.3.4.5 0 .5-.2 1.3-.6 1.7-.5.5-1.2.8-2 .8-1 0-2.5-.5-4.1-1.5-2.5-1.6-4-4-4.3-5.4-.2-.9 0-1.7.4-2.4Z' fill='white'/%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 17px 17px;
  box-shadow: 0 0 0 3px rgba(37,211,102,.14);
}

.contact-strip-links span {
  margin-right: 5px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  overflow: visible;
  color: var(--ink);
  background: rgba(238, 234, 226, .975);
  backdrop-filter: blur(16px);
  border-bottom: 0;
  box-shadow: 0 9px 22px rgba(4, 20, 29, .12);
}

.site-header::before {
  display: none;
}

.header-inner {
  position: relative;
  z-index: 3;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-header .brand::after {
  display: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 56px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  color: transparent;
  background: transparent url("../favicon.png") center / contain no-repeat;
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.28), 0 8px 18px rgba(0,0,0,.15);
  font-size: 0;
  font-weight: 900;
}

.site-header .brand-mark { width: 72px; }

.brand-name {
  display: block;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: .07em;
  line-height: 1.05;
}

.brand-by {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 5px;
}

.site-header .main-nav { transform: translateY(-2px); }

.language-menu {
  position: relative;
  flex: 0 0 auto;
  color: var(--ink);
}

.language-menu summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper);
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
}

.language-menu summary::-webkit-details-marker { display: none; }
.language-menu summary::after { content: " ▾"; color: var(--muted); }
.language-menu[open] summary::after { content: " ▴"; }

.language-menu > div {
  position: absolute;
  z-index: 60;
  top: calc(100% + 9px);
  right: 0;
  min-width: 158px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  box-shadow: 0 18px 38px rgba(3,19,27,.28);
}

.language-menu a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border-radius: 7px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.lang-flag {
  width: 24px;
  height: 16px;
  flex: 0 0 auto;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,.22);
}

.language-menu a:hover,
.language-menu a[aria-current="page"] { color: var(--ink); background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); }

.main-nav a {
  position: relative;
  padding: 7px 9px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  font-style: normal;
  font-weight: 700;
  border-radius: 8px;
  transition: color .18s ease, background-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--ink); background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); }
.main-nav a:hover { transform: translateY(-1px); }
.main-nav .nav-cta { margin-left: 6px; color: var(--white); background: var(--orange); }
.main-nav .nav-cta:hover { background: #e07b56; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin-top: 0;
  line-height: 1.13;
  letter-spacing: -.025em;
}

h1 { font-size: clamp(33px, 3.75vw, 49px); }
h2 { font-size: clamp(27px, 3vw, 38px); }
h3 { font-size: 20px; }
p { margin: 0 0 18px; }

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 2.8vw, 38px) 0 clamp(28px, 3.2vw, 44px);
  color: var(--ink);
  background: var(--paper);
  isolation: isolate;
}

.hero::before {
  display: none;
}

.hero::after {
  display: none;
}

.hero-media {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid rgba(16,44,59,.12);
  border-radius: 24px;
  box-shadow: 0 24px 58px rgba(7,28,38,.16);
  flex: 1 1 auto;
  min-height: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-home .hero-media img { filter: none; }

.hero-layout {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 40px), 1380px);
  display: grid;
  grid-template-columns: minmax(430px, .72fr) minmax(0, 1.28fr);
  align-items: stretch;
  column-gap: clamp(24px, 2.8vw, 42px);
}

.hero-home .hero-layout {
  grid-template-columns: minmax(340px, .54fr) minmax(0, 1.46fr);
  column-gap: clamp(20px, 2.2vw, 32px);
}

.hero-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin: 0;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.hero-home .hero-content,
.hero-steam .hero-content {
  display: grid;
  align-content: space-between;
  row-gap: clamp(5px, .5vw, 8px);
}

.hero-home .hero-content {
  grid-template-rows: repeat(6, auto);
}

.hero-steam .hero-content {
  grid-template-rows: repeat(8, auto);
}

.hero-home .hero-content > *,
.hero-steam .hero-content > * {
  margin-top: 0;
  margin-bottom: 0;
}

.hero-home .hero-positioning,
.hero-home .hero-lede,
.hero-home .hero-actions,
.hero-home .hero-proof,
.hero-steam .hero-positioning,
.hero-steam .hero-lede,
.hero-steam .hero-focus,
.hero-steam .hero-actions,
.hero-steam .hero-proof {
  grid-area: auto;
}
.hero-content > .eyebrow { margin: 0 0 7px; }
.hero-content > .breadcrumbs { margin: 0 0 6px; font-size: 11px; line-height: 1.2; }
.hero h1 { max-width: none; width: 100%; margin: 0 0 7px; font-size: clamp(19px, 1.65vw, 25px); white-space: normal; text-wrap: balance; text-shadow: none; }
.hero:not(.hero-home) h1 { font-size: clamp(18px, 1.55vw, 24px); }
.hero-positioning { grid-area: position; }
.hero-lede { grid-area: lede; max-width: 420px; color: var(--muted); font-size: 14px; line-height: 1.58; }
.hero-focus { grid-area: focus; }
.hero-actions { grid-area: actions; }
.hero-proof { grid-area: proof; }

.hero-visual { position: relative; display: flex; flex-direction: column; align-self: stretch; min-width: 0; width: 100%; }

.hero-image-note {
  display: block;
  margin-top: 11px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .045em;
  text-align: right;
  text-transform: uppercase;
}

.hero-watermark {
  position: absolute;
  z-index: 1;
  right: 22px;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transform: none;
  color: #123c52;
  opacity: .19;
  pointer-events: none;
  font-size: clamp(24px, 3.2vw, 48px);
  font-weight: 950;
  letter-spacing: .06em;
}

.hero-watermark img { width: clamp(46px, 5vw, 72px); height: auto; }

.hero-focus {
  display: grid;
  gap: 3px;
  margin-top: 3px;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid #d9cfc1;
  border-left: 4px solid var(--orange);
  border-radius: 10px;
}
.hero-focus strong { font-size: 14px; }
.hero-focus span { color: var(--muted); font-size: 13px; line-height: 1.5; }

.hero-positioning {
  margin: 0 0 3px;
  padding: 2px 0 2px 10px;
  color: var(--ink);
  border-left: 3px solid #dc7b57;
  font-size: clamp(14px, 1.18vw, 17px);
  font-weight: 850;
  letter-spacing: .025em;
  line-height: 1.35;
}

.hero-lede { margin: 0 0 2px; line-height: 1.45; }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 5px; }

.hero-home h1 {
  font-size: clamp(22px, 1.68vw, 26px);
  line-height: 1.14;
}

.hero-home .hero-positioning {
  padding-left: 8px;
  font-size: clamp(14px, 1.08vw, 16px);
  line-height: 1.38;
}

.hero-home .hero-lede {
  max-width: 390px;
  font-size: 14px;
  line-height: 1.48;
}

.hero-home .hero-actions {
  flex-wrap: nowrap;
  gap: 7px;
}

.hero-home .hero-actions .button {
  flex: 1 1 0;
  min-height: 44px;
  padding: 9px;
  font-size: 11.5px;
  line-height: 1.2;
  white-space: nowrap;
}

.product-page .hero-actions .button {
  min-height: 42px;
  padding: 8px 14px;
  font-size: 12px;
  line-height: 1.2;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 9px;
  text-decoration: none;
  font-weight: 850;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(5, 24, 34, .12);
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.button-primary { color: var(--white); background: var(--orange); }
.button-primary:hover { background: #d87855; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(5,24,34,.18); }
.button-ghost { color: var(--ink); border-color: rgba(16,44,59,.34); background: var(--paper); }
.button-ghost:hover { background: var(--paper); }
.button-dark { color: var(--ink); border-color: var(--line); background: var(--paper); }

.hero-proof {
  margin-top: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--line);
}

.hero-proof div { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 8px; padding: 7px 10px; white-space: nowrap; background: var(--paper); }
.hero-proof strong { display: block; font-size: 12px; line-height: 1.3; }
.hero-proof span { overflow: hidden; color: var(--muted); font-size: 9.5px; line-height: 1.3; text-overflow: ellipsis; text-transform: uppercase; letter-spacing: .025em; }

.hero-home .hero-proof {
  width: 100%;
  height: auto;
  margin-top: 0;
  grid-template-rows: repeat(3, auto);
}

.hero-home .hero-proof div {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 9px;
  padding: 9px 10px;
  white-space: normal;
}

.hero-home .hero-proof strong { font-size: 11.5px; }
.hero-home .hero-proof span { overflow: visible; font-size: 9.25px; text-overflow: clip; }

.hero-steam .hero-proof {
  width: 100%;
  height: auto;
  margin-top: 0;
  grid-template-rows: repeat(3, auto);
}

.hero-steam .hero-proof div {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 9px;
  padding: 9px 10px;
  white-space: normal;
}

.hero-steam .hero-proof strong { font-size: 11.75px; }
.hero-steam .hero-proof span { overflow: visible; font-size: 9.25px; text-overflow: clip; }

.hero-steam h1 { font-size: clamp(22px, 1.75vw, 27px); line-height: 1.16; }
.hero-steam .hero-positioning { font-size: clamp(14px, 1.08vw, 16px); line-height: 1.4; }
.hero-steam .hero-lede { max-width: 500px; font-size: 14.5px; line-height: 1.5; }
.hero-steam .hero-focus { padding: 12px 14px; }
.hero-steam .hero-focus strong { font-size: 15px; }
.hero-steam .hero-focus span { font-size: 13.5px; line-height: 1.48; }

.fuel-jump-nav {
  position: sticky;
  top: 78px;
  z-index: 28;
  padding: 12px 0;
  background: rgba(238, 234, 226, .96);
  border-block: 1px solid rgba(16, 44, 59, .14);
  box-shadow: 0 8px 22px rgba(7, 28, 38, .08);
  backdrop-filter: blur(12px);
}

.fuel-jump-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.fuel-jump-label {
  flex: 0 0 auto;
  margin-right: 4px;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 950;
  letter-spacing: .075em;
  text-transform: uppercase;
}

.fuel-jump-nav a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  color: #71351f;
  border: 2px solid rgba(190, 91, 55, .58);
  border-radius: 999px;
  background: var(--paper);
  font-size: 13.5px;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 5px 15px rgba(116, 55, 32, .14);
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.fuel-jump-nav a::after {
  content: "";
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--orange);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M10 3v10m0 0 4-4m-4 4L6 9' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='M5 16h10' stroke='white' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 20px 20px;
  box-shadow: 0 3px 8px rgba(116, 55, 32, .24);
}

.fuel-jump-nav a:hover,
.fuel-jump-nav a:focus-visible {
  color: var(--white);
  border-color: var(--orange);
  background: var(--orange);
  transform: translateY(-1px);
  box-shadow: 0 7px 17px rgba(116, 55, 32, .18);
}

.fuel-jump-nav a:hover::after,
.fuel-jump-nav a:focus-visible::after { background-color: #8f3f25; }

.evidence-series[id],
.equipment-gallery figure[id] { scroll-margin-top: 150px; }

.section { padding: 74px 0; }
.section-tight { padding: 58px 0; }
.section-white,
.section-dark,
.section-steel { color: var(--ink); background: var(--paper); }

.section-heading { max-width: none; margin-bottom: 34px; }
.section h2 { font-size: clamp(21px, 2.25vw, 32px); }
.section-heading h2 { white-space: nowrap; }
.section-heading p:not(.eyebrow) { max-width: 800px; color: var(--muted); font-size: 16px; }
.section-dark .section-heading p:not(.eyebrow) { color: var(--muted); }

.trust-ribbon {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 22px 26px;
  margin-top: -34px;
  position: relative;
  z-index: 3;
  border: 1px solid rgba(11,37,53,.1);
  border-radius: 16px;
  background: var(--paper);
  box-shadow: 0 18px 45px rgba(11,37,53,.12);
}

.trust-ribbon-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-weight: 900;
}

.trust-ribbon strong { display: block; font-size: 17px; }
.trust-ribbon span { color: var(--muted); font-size: 14px; }
.trust-ribbon a { color: var(--orange-dark); font-weight: 900; text-decoration: none; white-space: nowrap; }
.trust-ribbon a::after { content: " ↗"; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 64px;
}

.split-wide { grid-template-columns: .9fr 1.1fr; }
.split-system-portrait { grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr); gap: 56px; }
.media-frame { overflow: hidden; border: 1px solid rgba(16,44,59,.10); border-radius: var(--radius); box-shadow: var(--shadow); background: var(--steel); }
.media-frame img { width: 100%; height: auto; object-fit: contain; image-rendering: auto; }
.media-frame.landscape,
.media-frame.portraitish { aspect-ratio: auto; }

.grid-2, .grid-3, .grid-4 { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.card:hover { transform: translateY(-3px); border-color: #b7c5c7; box-shadow: 0 18px 40px rgba(8,34,47,.11); }

.card h3 { margin-bottom: 12px; }
.card p { color: var(--muted); }
.card-link { display: inline-flex; margin-top: 6px; color: var(--orange-dark); font-weight: 850; text-decoration: none; }
.card-link::after { content: "→"; margin-left: 7px; }

.number-card { position: relative; padding-top: 64px; }
.number-card::before {
  content: attr(data-number);
  position: absolute;
  top: 22px;
  left: 28px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
}

.product-card { padding: 0; overflow: hidden; }
.product-card img { width: 100%; height: auto; object-fit: contain; }
.product-card-body { padding: 27px; }
.product-kicker { color: var(--orange-dark); font-size: 12px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }

.medium-principle {
  margin-bottom: 22px;
  padding: clamp(24px, 3vw, 34px);
  color: var(--ink);
  background: var(--paper);
  border-left: 5px solid var(--orange);
  border-radius: 14px;
  box-shadow: 0 16px 34px rgba(7, 28, 38, .12);
}
.medium-principle h3 { max-width: 940px; margin-bottom: 12px; font-size: clamp(22px, 2.6vw, 30px); }
.medium-principle p:last-child { max-width: 980px; margin: 0; color: var(--muted); }

.process-fit-grid { margin-bottom: 28px; }
.process-fit {
  padding: 24px 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 13px;
}
.process-fit span { display: block; margin-bottom: 8px; color: var(--orange-dark); font-size: 11px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.process-fit h3 { margin-bottom: 10px; }
.process-fit p { margin: 0; color: var(--muted); }

.selection-input-grid .card { min-height: 100%; }
.selection-input-grid .card p { font-size: 14px; }

.condensate-lab {
  margin-top: 42px;
  padding: clamp(24px, 4vw, 44px);
  background: var(--paper);
  border: 1px solid #d9d1c5;
  border-radius: 22px;
  box-shadow: 0 22px 55px rgba(7,28,38,.11);
}
.condensate-lab-head { display: grid; grid-template-columns: 1fr 260px; gap: 38px; align-items: start; }
.condensate-lab-head-with-photo { grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr); align-items: center; }
.condensate-lab-head h3 { max-width: 820px; margin-bottom: 13px; font-size: clamp(24px, 3.1vw, 37px); }
.condensate-lab-head p:last-child { max-width: 760px; color: var(--muted); }
.calculation-basis { display: grid; gap: 7px; padding: 18px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 14px 30px rgba(7,28,38,.10); }
.condensate-lab > .calculation-basis { grid-template-columns: auto repeat(4, minmax(0, 1fr)); align-items: center; margin-top: 22px; }
.calculation-basis strong { margin-bottom: 3px; color: var(--ink); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.calculation-basis span { padding-left: 14px; position: relative; font-size: 12px; }
.calculation-basis span::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: #e37d58; }

.branded-media { position: relative; margin: 0; }
.condensate-photo { max-width: 620px; margin-inline: auto; }
.media-watermark {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translate(-50%, -50%);
  color: #123c52;
  opacity: .17;
  font-size: clamp(19px, 3vw, 38px);
  font-weight: 950;
  letter-spacing: .055em;
  white-space: nowrap;
  pointer-events: none;
}
.media-watermark::before { content: ""; width: clamp(42px, 5vw, 66px); aspect-ratio: 1; background: url("../favicon.png") center / contain no-repeat; }

.equipment-gallery figure { margin: 0; }
.equipment-gallery figcaption { padding: 12px 4px 0; color: var(--muted); font-size: 13px; font-weight: 750; }

.assumption-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 24px 0; }
.assumption-grid label { padding: 14px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 12px; font-size: 12px; font-weight: 850; }
.input-with-unit { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; margin-top: 8px; }
.input-with-unit input { width: 100%; min-width: 0; padding: 8px 9px; color: var(--ink); background: var(--paper); border: 1px solid #cfc5b7; border-radius: 8px; font-weight: 850; }
.input-with-unit em { color: var(--muted); font-size: 11px; font-style: normal; white-space: nowrap; }

.condensate-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; margin: 0 0 24px; }
.kpi-card { min-height: 128px; padding: 18px; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 12px 28px rgba(7,28,38,.10); }
.kpi-card span, .kpi-card strong, .kpi-card small { display: block; }
.kpi-card span { color: var(--muted); font-size: 11px; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.kpi-card strong { margin: 13px 0 6px; font-size: clamp(20px, 2vw, 27px); line-height: 1.05; }
.kpi-card small { color: var(--muted); font-size: 11px; }
.kpi-card output { color: var(--ink); font-weight: 850; }
.kpi-blue,
.kpi-teal,
.kpi-orange,
.kpi-navy { background: var(--paper); }

.chart-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.engineering-chart { margin: 0; padding: 20px; background: var(--paper); border: 1px solid var(--line); border-radius: 15px; box-shadow: 0 9px 24px rgba(7,28,38,.06); }
.engineering-chart figcaption { display: grid; gap: 3px; margin-bottom: 15px; }
.engineering-chart figcaption strong { font-size: 14px; }
.engineering-chart figcaption span { color: var(--muted); font-size: 11px; }
.chart-bars { display: grid; gap: 5px; }
.chart-bars > div { display: grid; grid-template-columns: 37px minmax(0,1fr) 54px; align-items: center; gap: 7px; min-height: 18px; }
.chart-bars b, .chart-bars span { font-size: 10px; font-weight: 800; }
.chart-bars span { color: var(--muted); text-align: right; }
.chart-bars i { position: relative; height: 10px; overflow: hidden; background: #e8e1d7; border-radius: 999px; }
.chart-bars i::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--value); border-radius: inherit; transition: width .25s ease; }
.chart-bars-percent i::after { background: linear-gradient(90deg, #2f8a91, #62b6a5); }
.chart-bars-cost i::after { background: linear-gradient(90deg, #dd704b, #f0ad64); }

.formula-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 20px 0; }
.formula-grid div { padding: 15px 17px; background: var(--paper); border: 1px solid var(--line); border-radius: 11px; }
.formula-grid span, .formula-grid code { display: block; }
.formula-grid span { margin-bottom: 5px; color: #e69a79; font-size: 10px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.formula-grid code { overflow-wrap: anywhere; color: var(--ink); font-size: 12px; }

.condensate-table-wrap { margin-top: 18px; }
.condensate-table { min-width: 1160px; font-variant-numeric: tabular-nums; }
.condensate-table th, .condensate-table td { padding: 11px 12px; white-space: nowrap; font-size: 11px; }
.condensate-table tbody tr:nth-child(even) { background: var(--paper); }
.method-note { margin: 16px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.method-note a { color: var(--orange-dark); font-weight: 850; }

.image-hover-preview {
  position: fixed;
  z-index: 999;
  display: block;
  margin: 0;
  max-width: calc(100vw - 40px);
  max-height: calc(100vh - 40px);
  width: auto;
  height: auto;
  overflow: hidden;
  pointer-events: none;
  background: var(--paper);
  border: 2px solid rgba(255,255,255,.92);
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(3, 18, 26, .38);
  opacity: 0;
  transform: translate(-50%, -50%) scale(.97);
  transition: opacity .18s ease, transform .24s ease;
}
.image-hover-preview img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  image-rendering: auto;
  background: var(--paper);
}
.image-hover-preview figcaption {
  min-height: 42px;
  padding: 9px 14px 11px;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  border-top: 1px solid var(--line);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.55;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.image-hover-preview.is-visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }

.hover-preview-source { cursor: zoom-in; }

.spec-list { list-style: none; padding: 0; margin: 25px 0; border-top: 1px solid var(--line); }
.spec-list li { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.spec-list span { color: var(--muted); }
.spec-list strong { text-align: right; }

.tag-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 24px 0; }
.tag { padding: 7px 11px; border-radius: 999px; color: var(--ink); background: var(--steel); font-size: 13px; font-weight: 750; }

.section-dark .calculator,
.calculator {
  padding: 34px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.calculator h3 { font-size: 28px; }
.calculator label { display: block; margin: 0 0 7px; color: var(--muted); font-size: 13px; font-weight: 800; }
.calc-grid { display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; gap: 12px; }
.calc-arrow { padding: 0 4px 13px; color: var(--orange); font-weight: 900; }
.calculator input, .calculator select {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 9px;
}
.calc-result { margin-top: 18px; padding: 14px 16px; border-left: 3px solid var(--orange); background: var(--paper); }

.capacity-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); }
.capacity-table { width: 100%; border-collapse: collapse; min-width: 720px; }
.capacity-table th, .capacity-table td { padding: 15px 17px; text-align: left; border-bottom: 1px solid var(--line); }
.capacity-table th { color: var(--ink); background: var(--paper); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.capacity-table tr:last-child td { border-bottom: 0; }
.capacity-table tbody tr:hover { background: var(--paper); }

.check-list { list-style: none; padding: 0; margin: 22px 0; }
.check-list li { position: relative; padding: 8px 0 8px 27px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--orange); font-weight: 900; }

.quote-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 42px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.quote-strip h2 { margin-bottom: 10px; font-size: clamp(28px, 4vw, 44px); }
.quote-strip p { margin-bottom: 0; color: var(--muted); }

.faq { display: grid; gap: 12px; }
.faq details { padding: 20px 22px; border: 1px solid var(--line); border-radius: 13px; background: var(--paper); }
.faq summary { cursor: pointer; font-weight: 850; }
.faq details p { margin: 14px 0 0; color: var(--muted); }

.evidence-series + .evidence-series { margin-top: 42px; }
.evidence-series { content-visibility: auto; contain-intrinsic-size: auto 820px; }
.evidence-series-head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 18px;
}
.evidence-series-head h3 { margin: 0; font-size: clamp(21px, 2.4vw, 27px); }
.evidence-series-head p { max-width: 660px; margin: 0; color: var(--muted); }
.evidence-rail {
  columns: 2;
  column-gap: 18px;
  padding: 2px;
}
.evidence-card {
  margin: 0 0 18px;
  break-inside: avoid;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(7, 28, 38, .08);
}
.evidence-card img,
.evidence-card video {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  image-rendering: auto;
  background: var(--paper);
}
.evidence-card video { max-height: none; }
.evidence-card figcaption { padding: 15px 17px 17px; font-size: 14px; font-weight: 780; line-height: 1.45; }
.evidence-card figcaption span { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; font-weight: 600; }
.evidence-note { margin-top: 14px; color: var(--muted); font-size: 13px; }

.breadcrumbs { position: static; margin-bottom: 18px; padding-top: 0; color: var(--muted); font-size: 13px; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs span { margin: 0 7px; color: #8199a2; }

.notice {
  padding: 18px 20px;
  border-left: 4px solid var(--orange);
  background: var(--paper);
  border-radius: 8px;
}

.contact-dock {
  position: fixed;
  left: auto;
  right: 18px;
  bottom: 16px;
  transform: none;
  z-index: 55;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-width: 620px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(238, 234, 226, .97);
  box-shadow: 0 12px 28px rgba(4, 20, 29, .18);
  backdrop-filter: blur(10px);
}

.contact-dock a {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  color: var(--ink);
  font-weight: 400;
  text-decoration: none;
}

.contact-dock-claim {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: none;
  padding: 6px 13px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: .01em;
  white-space: nowrap;
}

.contact-dock-email,
.contact-dock-phone { background: transparent; }
.contact-dock-phone { border-top: 0; border-left: 1px solid var(--line); }
.contact-dock-phone::before { width: 20px; height: 20px; margin-right: 1px; background-size: 18px 18px; }
.contact-dock a:hover { filter: brightness(1.08); }
.contact-dock span { font-size: 8px; letter-spacing: .07em; text-transform: uppercase; opacity: .68; }
.contact-dock strong { font-size: 11.5px; font-weight: 400; line-height: 1.2; }

.site-footer { padding: 62px 0 28px; color: var(--ink); background: var(--paper); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 52px; }
.site-footer h3 { color: var(--ink); font-size: 17px; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--orange-dark); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin: 9px 0; }
.footer-note { color: var(--muted); max-width: 510px; }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 980px) {
  .nav-toggle { display: grid; place-items: center; }
  .main-nav {
    display: none;
    position: absolute;
    top: 78px;
    left: 20px;
    right: 20px;
    padding: 14px;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: flex; }
  .site-header .main-nav { transform: none; }
  .site-header::before { display: none; }
  .site-header .brand-mark { width: 62px; }
  .language-menu { margin-left: auto; }
  .main-nav .nav-cta { margin-left: 0; }
  .hero-layout {
    width: min(calc(100% - 40px), var(--container));
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .hero-home .hero-layout { grid-template-columns: 1fr; }
  .hero-home .hero-content,
  .hero-steam .hero-content { display: flex; gap: 6px; }
  .hero-home .hero-lede { max-width: none; }
  .hero-home .hero-proof,
  .hero-steam .hero-proof { width: 100%; height: auto; grid-template-rows: none; }
  .hero-content { order: 1; }
  .hero-visual { order: 2; }
  .hero-media img { height: auto; }
  .hero-proof { margin-top: 3px; }
  .hero-proof div { white-space: normal; }
  .section-heading h2 { white-space: normal; }
  .hero h1,
  .hero:not(.hero-home) h1 { white-space: normal; }
  .hero-visual { width: 100%; }
  .split, .split-wide, .split-system-portrait { grid-template-columns: 1fr; gap: 38px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .condensate-lab-head { grid-template-columns: 1fr; gap: 18px; }
  .calculation-basis,
  .condensate-lab > .calculation-basis { grid-template-columns: repeat(2, 1fr); }
  .calculation-basis strong { grid-column: 1 / -1; }
  .condensate-kpis { grid-template-columns: repeat(2, 1fr); }
  .evidence-rail { columns: 2; }
  .contact-strip-inner { align-items: flex-start; padding-block: 9px; }
  .contact-strip-links { flex-wrap: wrap; justify-content: flex-end; gap: 4px 15px; }
  .fuel-jump-nav { top: 78px; }
}

@media (max-width: 680px) {
  .contact-strip-inner { display: block; padding-block: 8px; }
  .contact-strip-inner > strong { display: none; }
  .contact-strip-links { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 12px; }
  .contact-strip-links a { font-size: 12px; }
  .contact-strip-links a:last-child { display: none; }
  .contact-strip-links span { display: block; margin: 0; font-size: 8px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 70px; }
  .main-nav { top: 70px; left: 14px; right: 14px; }
  .fuel-jump-nav { top: 70px; padding: 8px 0; }
  .fuel-jump-label { font-size: 10.5px; }
  .fuel-jump-nav a { padding: 8px 11px; font-size: 11.5px; }
  .fuel-jump-nav a::after { width: 24px; height: 24px; background-size: 17px 17px; }
  .site-header .brand-mark { width: 52px; }
  .language-menu summary { padding: 8px; font-size: 11px; }
  .brand-name { font-size: 14px; }
  .brand-by { font-size: 9px; }
  .hero { padding: 24px 0 32px; }
  .hero-content { width: 100%; padding: 0; }
  .hero h1,
  .hero:not(.hero-home) h1 { font-size: clamp(23px, 6.2vw, 31px); }
  .hero-lede { font-size: 15px; }
  .hero-positioning { font-size: 13px; line-height: 1.48; }
  .hero-home .hero-actions { flex-wrap: wrap; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof div { grid-template-columns: 1fr; gap: 2px; }
  .hero-media { border-radius: 17px; }
  .hero-watermark { right: 14px; bottom: 12px; top: auto; transform: none; font-size: 18px; }
  .hero-watermark img { width: 48px; }
  .hero-image-note { text-align: left; }
  .breadcrumbs { padding: 0; margin-bottom: 0; }
  .trust-ribbon { grid-template-columns: auto 1fr; margin-top: -20px; padding: 18px; }
  .trust-ribbon a { grid-column: 1 / -1; }
  .section { padding: 56px 0; }
  .section-tight { padding: 44px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .assumption-grid, .chart-grid, .formula-grid { grid-template-columns: 1fr; }
  .condensate-kpis { grid-template-columns: 1fr; }
  .calculation-basis { grid-template-columns: 1fr; }
  .calculation-basis strong { grid-column: auto; }
  .condensate-lab { padding: 20px; border-radius: 17px; }
  .calc-grid { grid-template-columns: 1fr; }
  .calc-arrow { display: none; }
  .quote-strip { grid-template-columns: 1fr; padding: 28px; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .media-frame { border-radius: 15px; }
  .evidence-series-head { display: block; }
  .evidence-series-head p { margin-top: 8px; }
  .evidence-rail { columns: 1; }
  .contact-dock { right: 12px; grid-template-columns: 1fr 1fr; width: calc(100% - 24px); min-width: 0; bottom: 10px; }
  .contact-dock-claim { justify-content: center; max-width: none; padding: 5px 9px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); font-size: 8px; text-align: center; white-space: normal; }
  .contact-dock a { justify-content: center; padding: 5px 7px; }
  .contact-dock span { display: none; }
  .contact-dock strong { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}