:root{
  /* eco / water-heat palette: warm off-white, charcoal ink, green-teal accent */
  --navy:#1d4a47; --navy2:#246b5f; --accent:#2f8f7d; --accent2:#46ad96;
  --ink:#232a26; --muted:#5d6b63; --line:#e6e3da; --bg:#f6f5f1; --card:#ffffff;
  /* heat-transfer section greens (hero band + machine cards) */
  --ht-green:#2f5145; --ht-green2:#294538; --ht-teal:#4fb69d;
  --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.brand{font-family:'Space Grotesk','Inter',sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}

/* Nav */
header.top{position:sticky;top:0;z-index:30;background:rgba(29,74,71,.97);backdrop-filter:blur(6px)}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;max-width:var(--max);margin:0 auto}
.brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700;font-size:1.15rem;letter-spacing:.3px}
.brand a{color:#fff}
.brand a:hover{text-decoration:none}
.brand .logo{width:27px;height:27px;flex:0 0 auto}
.brand em{font-style:normal;color:var(--accent2)}
nav.main a{color:#cdd8e4;margin-left:22px;font-size:.95rem}
nav.main a:hover{color:#fff;text-decoration:none}
nav.main a.active{color:#fff;font-weight:600}
@media(max-width:620px){nav.main a{margin-left:14px;font-size:.85rem}.brand{font-size:1rem}}

/* Hero */
.hero{background:radial-gradient(circle at 82% -20%,rgba(70,173,150,.30),transparent 55%),
  linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:78px 0 64px}
.hero h1{font-size:2.6rem;margin:0 0 16px;line-height:1.16;font-weight:700;letter-spacing:-.4px}
.hero h1 .hl{color:var(--accent2)}
.eyebrow{font-family:'Space Grotesk',sans-serif;text-transform:uppercase;letter-spacing:2.6px;
  font-size:.78rem;font-weight:600;color:var(--accent2);margin:0 0 14px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--accent2);opacity:.7}
.hero p.lead{font-size:1.15rem;color:#d4e0ec;max-width:760px;margin:0 0 18px}
.domains{display:inline-block;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:10px 20px;color:#d9e8e4;font-size:.9rem;margin:4px 0 0;letter-spacing:.2px}
.domains .sep{color:var(--accent2);margin:0 10px;font-weight:700}
@media(max-width:620px){.domains{font-size:.8rem;padding:9px 14px}.domains .sep{margin:0 6px}}
.hero-grid{display:flex;align-items:center;gap:46px}
.hero-copy{flex:1 1 auto}
.hero-art{flex:0 0 300px;display:flex;justify-content:center}
.hero-art svg{width:300px;height:300px;max-width:42vw}
@media(max-width:780px){.hero-grid{flex-direction:column-reverse;align-items:flex-start}
  .hero-art{flex:0 0 auto;margin-bottom:4px}.hero-art svg{width:200px;height:200px;max-width:55vw}}
@media(max-width:620px){.hero h1{font-size:1.7rem}}

/* Sections */
section{padding:56px 0;border-bottom:1px solid var(--line)}
section h2{font-size:1.6rem;margin:0 0 6px;color:var(--navy)}
section .sub{color:var(--muted);margin:0 0 28px}

/* Dedicated page main */
main.page{padding:48px 0 8px}
main.page h1{font-size:2rem;color:var(--navy);margin:0 0 10px;line-height:1.22;letter-spacing:-.3px}
.crumbs{font-size:.85rem;color:var(--muted);margin:0 0 18px}
.crumbs a{color:var(--accent)}
.lead-p{font-size:1.08rem;color:var(--muted);max-width:760px;margin:0 0 22px}

/* Landing section cards */
.sec-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.sec-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:26px 24px;box-shadow:0 1px 3px rgba(20,40,70,.04);color:var(--ink);transition:.15s}
.sec-card:hover{text-decoration:none;border-color:var(--accent2);
  box-shadow:0 8px 22px rgba(20,40,70,.09);transform:translateY(-2px)}
.sec-card h3{margin:10px 0 8px;color:var(--navy);font-size:1.18rem}
.sec-card p{margin:0;color:var(--muted)}
.sec-card .go{display:inline-block;margin-top:14px;color:var(--accent);font-weight:600;font-size:.92rem}
.sec-card:hover .go{text-decoration:underline}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 24px;margin-bottom:18px;
  box-shadow:0 1px 3px rgba(20,40,70,.04)}
.card h1{margin:0 0 12px;color:var(--navy);font-size:1.55rem;line-height:1.24;letter-spacing:-.3px}
.card h3{margin:0 0 10px;color:var(--navy);font-size:1.2rem}
.card h4{margin:16px 0 8px;color:var(--navy);font-size:1.02rem}
/* Combination section titles (systems page) — large, self-anchoring, header-aware */
.combo-title{font-family:'Space Grotesk','Inter',sans-serif;color:var(--navy);font-weight:700;
  font-size:clamp(1.35rem,1rem + 1.6vw,1.7rem);line-height:1.25;letter-spacing:-.3px;
  margin:38px 0 12px;scroll-margin-top:96px}
.combo-title a{color:inherit;text-decoration:none}
.combo-title a::after{content:"#";margin-left:.35em;color:var(--accent);font-weight:600;opacity:0;transition:opacity .12s}
.combo-title a:hover{text-decoration:none}
.combo-title a:hover::after,.combo-title a:focus-visible::after{opacity:.7}
.card .fits{margin:14px 0 0;padding:14px 16px;background:#eef4f2;border-radius:8px;font-size:.94rem}
.card .fits strong{color:var(--navy)}
.bullets{list-style:none;padding:0;margin:14px 0 0}
.bullets li{position:relative;padding-left:24px;margin-bottom:10px}
.bullets li:before{content:"";position:absolute;left:0;top:10px;width:9px;height:9px;border-radius:50%;
  background:var(--accent)}
.bullets li b{color:var(--navy)}
.bait{color:var(--muted);font-style:italic}
.tag{display:inline-block;background:#eaf3f5;color:var(--accent);font-size:.74rem;font-weight:700;
  padding:3px 10px;border-radius:6px;letter-spacing:.4px;text-transform:uppercase}
.nda{background:#fff7e6;border:1px solid #f0dcae;border-radius:8px;padding:12px 16px;color:#7a5b1e;font-size:.92rem;margin-top:14px}

/* Machine CTA */
.cta{display:inline-block;background:var(--accent);color:#fff;font-weight:600;padding:11px 20px;
  border-radius:8px;margin-top:6px}
.cta:hover{background:var(--navy);text-decoration:none}

/* ===== Heat-transfer section (home-style hero banner + green cards on white) ===== */
/* Second sentence of the hero description, a touch lighter than the lead */
.hero p.lead.sub-lead{font-size:1rem;color:#c6ddd6;margin:0}
.ht-fine{font-style:italic;color:var(--muted);font-size:.86rem;margin:14px 0 0}

/* Six machine cards — green on the white page, 3-up then wrapping */
.machine-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:6px 0}
@media(max-width:820px){.machine-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.machine-grid{grid-template-columns:1fr}}
.machine-card{display:flex;flex-direction:column;gap:9px;
  background:linear-gradient(160deg,var(--ht-green),var(--ht-green2));
  border:1px solid rgba(255,255,255,.10);border-radius:14px;padding:20px;color:#eaf3ef;transition:.15s}
.machine-card:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--ht-teal);
  box-shadow:0 10px 24px rgba(20,40,30,.18)}
.machine-card .mc-ic{width:30px;height:30px;color:var(--ht-teal);flex:0 0 auto}
.machine-card .mc-name{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.08rem;color:#fff}
.machine-card .mc-duty{color:#b9cec6;font-size:.9rem;line-height:1.5;margin:0}

/* Small teal duty icon above a machine detail-page H1 */
.mc-head-ic{display:block;width:34px;height:34px;color:var(--ht-teal);margin:0 0 10px}

/* Explore the family nav */
.explore{margin:28px 0 8px}
.explore h4{margin:0 0 12px;color:var(--navy);font-size:1rem}
.explore-row{display:flex;flex-wrap:wrap;gap:8px}
.explore-row a{border:1px solid var(--line);background:#fff;color:var(--navy);padding:8px 14px;
  border-radius:8px;font-size:.9rem;font-weight:600}
.explore-row a:hover{border-color:var(--accent2);text-decoration:none}
.explore-row a.here{background:var(--navy);color:#fff;border-color:var(--navy);cursor:default}

/* Block diagrams */
.diagram{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin:18px 0;overflow-x:auto}
.diagram svg{display:block;max-width:100%;height:auto;margin:0 auto}
.diagram figcaption{color:var(--muted);font-size:.9rem;margin-top:12px;text-align:center}
.dgm-box{fill:#fff;stroke:var(--navy);stroke-width:1.6}
.dgm-box-accent{fill:#eef4f2;stroke:var(--accent);stroke-width:1.6}
.dgm-label{fill:var(--navy);font-family:'Space Grotesk',sans-serif;font-size:13px;font-weight:600}
.dgm-flow{stroke:var(--accent);stroke-width:1.8;fill:none}
.dgm-flow-dash{stroke:var(--accent);stroke-width:1.6;fill:none;stroke-dasharray:5 4}
.dgm-arrowfill{fill:var(--accent)}
.dgm-note{fill:var(--muted);font-family:'Inter',sans-serif;font-size:11.5px}

/* Team */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.person h3{margin-bottom:2px}
.person .role{color:var(--accent);font-weight:600;font-size:.92rem;margin-bottom:10px}
.links a{margin-right:14px;font-size:.9rem;font-weight:600}

footer{background:var(--navy);color:#aebccd;padding:30px 0;font-size:.9rem}
footer a{color:#cfe0ee}
footer .sep{color:var(--accent2);margin:0 8px}