/* =========================================================
   Mid-Atlantic Heater & Control — Thermal Solutions
   Color scheme derived from MAHC logo (black + industrial red)
   ========================================================= */

:root{
  /* Accessible reds — darkened to meet WCAG AA (≥4.5:1) for text
     and white-on-red while keeping the industrial brand character. */
  --red:#C1121F;            /* brand red, text & fills on light */
  --red-dark:#9A0E18;
  --red-soft:#fbe6e4;
  --red-on-dark:#FF6B5E;    /* readable red for dark surfaces (≥4.5:1) */
  --black:#0e0f11;
  --ink:#1a1c1f;
  --gray:#565c66;
  --line:#e2e5ea;
  --bg:#ffffff;
  --bg-alt:#f4f5f7;
  --dark:#141619;
  --dark-2:#1d2025;
  --white:#ffffff;
  --shadow:0 12px 30px rgba(16,18,21,.10);
  --shadow-sm:0 4px 14px rgba(16,18,21,.08);
  --radius:14px;
  --radius-sm:10px;
  --maxw:1180px;
  --font:"Segoe UI",Roboto,Helvetica,Arial,system-ui,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em;color:var(--black)}
p{margin:0 0 1rem}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ===== Keyboard focus (a11y) ===== */
:focus-visible{outline:3px solid var(--red);outline-offset:2px;border-radius:4px}
.hero :focus-visible,
.page-hero :focus-visible,
.section-dark :focus-visible,
.cta-band :focus-visible,
.info-panel :focus-visible,
.card-feature :focus-visible,
.site-footer :focus-visible,
.trustbar :focus-visible{outline-color:var(--red-on-dark)}

/* ===== Skip link (bypass blocks) ===== */
.skip-link{
  position:absolute;left:12px;top:-60px;z-index:100;
  background:var(--black);color:#fff;padding:.7rem 1rem;border-radius:8px;
  font-weight:700;transition:top .2s ease;
}
.skip-link:focus{top:12px;outline-color:#fff}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:700;font-size:.95rem;letter-spacing:.01em;
  padding:.85rem 1.5rem;border-radius:var(--radius-sm);
  border:2px solid transparent;cursor:pointer;transition:.2s ease;
  text-transform:uppercase;
}
.btn-sm{padding:.6rem 1.05rem;font-size:.82rem}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{background:var(--black);color:#fff}
.btn-dark:hover{background:#000}
.btn-white{background:#fff;color:var(--red)}
.btn-white:hover{background:#f1f3f6;transform:translateY(-2px)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:.4rem;
  color:var(--red);font-weight:700;text-transform:uppercase;font-size:.85rem;letter-spacing:.02em;
}
.link-arrow::after{content:"\2192";transition:transform .2s}
.link-arrow:hover::after{transform:translateX(4px)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;height:78px}
.brand-logo{height:52px;width:auto}
.primary-nav{display:flex;gap:1.6rem;margin-left:auto}
.primary-nav a{
  font-weight:600;font-size:.92rem;color:var(--ink);position:relative;padding:.4rem 0;
  text-transform:uppercase;letter-spacing:.02em;white-space:nowrap;
}
.primary-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--red);transition:width .25s ease;
}
.primary-nav a:hover::after,.primary-nav a.active::after{width:100%}
.primary-nav a.active{color:var(--red)}
.header-actions{display:flex;align-items:center;gap:.9rem}
.nav-toggle{
  display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:8px;
}
.nav-toggle span{width:24px;height:2px;background:var(--black);display:block;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#111316 0%,#23272d 60%,#2c1414 100%);
  color:#fff;padding:90px 0 96px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 380px at 85% -10%,rgba(226,35,26,.30),transparent 60%);
  pointer-events:none;
}
.hero-wave{position:absolute;left:0;right:0;bottom:-30px;opacity:.16;pointer-events:none}
.hero-wave svg{width:100%;height:260px}
.hero-wave path{stroke:var(--red);stroke-width:3}
.hero-inner{position:relative;z-index:2;max-width:880px}
.eyebrow{
  display:inline-block;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:#ffd9d5;background:rgba(226,35,26,.20);border:1px solid rgba(255,150,140,.5);
  padding:.4rem .8rem;border-radius:999px;margin-bottom:1.2rem;font-weight:700;
}
.hero h1{font-size:clamp(2.1rem,5vw,3.5rem);color:#fff;margin-bottom:.8rem}
.hero .accent{color:var(--red-on-dark);font-style:italic;transform:skewX(-8deg);display:inline-block}
.hero-sub{font-size:1.12rem;color:#dfe3e9;max-width:680px}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap;margin:1.8rem 0 2.4rem}
.hero-cta .btn-ghost{color:#fff}
.hero-stats{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:0;padding:0;
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.04)}
.hero-stats li{padding:1.1rem 1.3rem;display:flex;flex-direction:column;gap:.15rem}
.hero-stats strong{font-size:1.15rem;color:#fff;font-style:italic;transform:skewX(-8deg)}
.hero-stats span{font-size:.85rem;color:#c3c9d2}

/* ===== Trust bar ===== */
.trustbar{background:var(--red);color:#fff}
.trust-inner{display:flex;flex-wrap:wrap;justify-content:center;gap:2rem;padding:.9rem 0;
  font-weight:600;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase}
.trust-inner span{display:inline-flex;align-items:center;gap:.6rem}
.trust-inner span::before{content:"";width:7px;height:7px;background:#fff;border-radius:50%;display:inline-block}

/* ===== Page hero (interior pages) ===== */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#111316 0%,#23272d 60%,#2c1414 100%);
  padding:64px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 320px at 88% -20%,rgba(226,35,26,.28),transparent 60%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;max-width:820px}
.page-hero h1{font-size:clamp(1.9rem,4.4vw,3rem);color:#fff;margin-bottom:.6rem}
.page-hero p{color:#dfe3e9;font-size:1.08rem;max-width:680px;margin:0}
.crumbs{display:flex;gap:.55rem;align-items:center;font-size:.78rem;color:#c3c9d2;margin-bottom:1.1rem;
  text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.crumbs a{color:#e4e7ec}
.crumbs a:hover{color:var(--red-on-dark)}
.crumbs .sep{opacity:.6}

/* ===== Sections ===== */
.section{padding:84px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:linear-gradient(160deg,#141619,#20242a);color:#d7dbe1}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-head.light p{color:#b9bfc9}
.kicker{
  display:inline-block;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--red);font-weight:800;margin-bottom:.7rem;
}
.section-dark .kicker{color:var(--red-on-dark)}
.section-head h2{font-size:clamp(1.6rem,3.4vw,2.35rem)}
.section-head p{color:var(--gray);font-size:1.05rem}

/* ===== Feature cards (home overview) ===== */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  display:flex;flex-direction:column;gap:.5rem;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
}
.feature-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--red);transition:width .3s}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d5d9df}
.feature-card:hover::before{width:100%}
.feature-card h3{font-size:1.15rem;margin:.2rem 0 0}
.feature-card p{color:var(--gray);font-size:.95rem;margin:0}
.feature-card .link-arrow{margin-top:auto}

/* ===== Product cards ===== */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0;transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
  position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--red);transition:width .3s;z-index:2}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d5d9df}
.card:hover::before{width:100%}
.card-photo{
  width:100%;height:190px;object-fit:cover;display:block;
  background:var(--bg-alt);transition:transform .45s ease;
}
.card:hover .card-photo{transform:scale(1.03)}
.card-body{padding:26px 24px}
.card-icon{width:46px;height:46px;border-radius:10px;background:var(--red-soft);display:grid;place-items:center;margin-bottom:1rem}
.card-icon svg{width:24px;height:24px;stroke:var(--red);fill:none}
.card h3{font-size:1.18rem}
.card-text{color:var(--gray);font-size:.95rem}
.pill-list{list-style:none;display:flex;flex-wrap:wrap;gap:.45rem;padding:0;margin:.4rem 0 0}
.pill-list li{
  font-size:.78rem;font-weight:600;color:var(--ink);background:#f1f3f6;
  border:1px solid var(--line);padding:.32rem .6rem;border-radius:8px;transition:.18s;cursor:pointer;
  user-select:none;
}
.pill-list li:hover,.pill-list li.is-active{background:var(--red);color:#fff;border-color:var(--red)}
.pill-list li:active{transform:scale(.96)}
.card-feature{background:linear-gradient(160deg,#1a1c1f,#2a1010);border-color:#1a1c1f;color:#e7dcd9}
.card-feature::before{background:var(--red)}
.card-feature h3{color:#fff}
.card-feature .card-icon{background:rgba(226,35,26,.2)}
.card-feature .card-icon svg{stroke:var(--red-on-dark)}
.card-feature .card-text{color:#e3d6d3}
.card-feature .link-arrow{color:var(--red-on-dark);margin-top:.4rem}
.card-feature .card-photo{height:160px;opacity:.65;filter:saturate(.8) brightness(.7)}
.card-feature:hover .card-photo{opacity:.8;filter:saturate(1) brightness(.75)}

/* ===== Product detail modal ===== */
.modal{
  position:fixed;inset:0;z-index:90;
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s ease,visibility 0s .25s;
}
.modal.open{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .25s ease}
.modal-backdrop{position:absolute;inset:0;background:rgba(10,12,14,.72);backdrop-filter:blur(3px)}
.modal-dialog{
  position:relative;z-index:2;width:min(560px,100%);background:#fff;
  border-radius:var(--radius);box-shadow:0 24px 60px rgba(10,12,14,.4);
  overflow:hidden;transform:translateY(14px) scale(.98);transition:transform .25s ease;
}
.modal.open .modal-dialog{transform:none}
.modal-photo{width:100%;height:260px;object-fit:cover;display:block;background:var(--bg-alt);border-bottom:3px solid var(--red)}
.modal-body{padding:24px 26px 28px}
.modal-title{font-size:1.3rem;margin:0 0 .5rem;color:var(--black)}
.modal-text{color:var(--gray);margin:0;line-height:1.6}
.modal-close{
  position:absolute;top:12px;right:12px;z-index:3;
  width:38px;height:38px;border-radius:50%;border:0;cursor:pointer;
  background:rgba(14,15,17,.7);color:#fff;font-size:1.4rem;line-height:1;
  display:grid;place-items:center;transition:.2s;
}
.modal-close:hover{background:var(--red)}

/* ===== Thermal loop ===== */
.loop{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative}
.loop li{
  background:var(--dark-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);
  padding:22px 16px;text-align:center;position:relative;transition:.25s;
}
.loop li:hover{transform:translateY(-4px);border-color:var(--red-on-dark)}
.loop-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;
  background:var(--red);color:#fff;font-weight:800;margin-bottom:.7rem;
}
.loop h4{font-size:.92rem;color:#fff;margin:0;letter-spacing:.01em}
.loop-final{background:linear-gradient(160deg,#3a1010,#5a0f0c);border-color:var(--red-on-dark)}
.loop-final h4{font-size:.95rem}
.loop li:not(.loop-final)::after{
  content:"\2192";position:absolute;right:-15px;top:50%;transform:translateY(-50%);
  color:var(--red-on-dark);font-weight:800;z-index:3;
}
.loop li:last-child::after{display:none}

/* ===== Services ===== */
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.service{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--red);
  border-radius:var(--radius-sm);padding:24px 26px;transition:.25s;box-shadow:var(--shadow-sm);
}
.service:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.service h3{font-size:1.12rem;color:var(--black)}
.service p{color:var(--gray);margin:0}
.service .link-arrow{margin-top:.8rem}
.section-dark .service{background:var(--dark-2);border-color:rgba(255,255,255,.08)}
.section-dark .service h3{color:#fff}
.section-dark .service p{color:#d3d8df}
.section-dark .service .link-arrow{color:var(--red-on-dark)}

/* ===== Brands ===== */
.brands{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:880px;margin:0 auto}
.brand-tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:28px 18px;text-align:center;transition:.2s;display:flex;flex-direction:column;gap:.3rem;
}
.brand-tile:hover{border-color:var(--red);box-shadow:var(--shadow);transform:translateY(-3px)}
.brand-tile strong{font-size:1.4rem;letter-spacing:.02em;color:var(--black);font-style:italic;transform:skewX(-8deg)}
.brand-tile span{font-size:.82rem;color:var(--gray);text-transform:uppercase;letter-spacing:.06em}

/* ===== Stats band ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;text-align:center}
.stat strong{display:block;font-size:1.9rem;color:var(--red);font-style:italic;transform:skewX(-8deg);line-height:1.2}
.stat span{display:block;margin-top:.4rem;font-size:.82rem;color:var(--gray);text-transform:uppercase;letter-spacing:.05em}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.about-grid h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.about-grid p{color:var(--gray)}
.check-list{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.6rem}
.check-list li{position:relative;padding-left:1.9rem;font-weight:600;color:var(--ink)}
.check-list li::before{
  content:"\2713";position:absolute;left:0;top:0;width:1.3rem;height:1.3rem;border-radius:50%;
  background:var(--red);color:#fff;display:grid;place-items:center;font-size:.8rem;font-weight:800;
}
.info-panel{
  background:var(--dark);color:#dfe2e7;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);
}
.info-panel h3{color:#fff;margin-bottom:1.2rem}
.info-panel p,.info-panel .info-line,.info-panel a{color:#fff}
.info-line{display:flex;flex-direction:column;gap:.1rem;padding:.7rem 0;border-bottom:1px solid rgba(255,255,255,.1);margin:0;font-weight:600;color:#fff}
.info-line span{font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--red-on-dark)}
.info-line a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.info-line a:hover{color:var(--red-on-dark)}
.info-panel .link-arrow{color:var(--red-on-dark)}
.info-panel .btn-block{margin-top:1.4rem}
.section-dark .info-panel{background:var(--dark-2)}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-grid h2{font-size:clamp(1.6rem,3vw,2.2rem);color:#fff}
.contact-address{color:#cfd3da;font-weight:600;margin-top:1rem}
.contact-form{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.captcha-field{margin:0 0 18px;min-height:78px;display:flex;align-items:center}
.captcha-field .g-recaptcha,.captcha-field .cf-turnstile{display:inline-block}
.form-note{font-size:.85rem;color:var(--gray);margin:0 0 14px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px;display:flex;flex-direction:column}
.field label{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gray);font-weight:700;margin-bottom:.35rem}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.95rem;color:var(--ink);
  border:1px solid var(--line);border-radius:10px;padding:.75rem .9rem;background:#fafbfc;transition:.18s;
}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--red);background:#fff;box-shadow:0 0 0 3px rgba(193,18,31,.18);
}
.form-status{font-size:.9rem;font-weight:700;margin:.8rem 0 0;min-height:1.2em}
.form-status.ok{color:#1a8b44}
.form-status.err{color:var(--red-dark)}

/* ===== CTA band ===== */
.cta-band{
  background:linear-gradient(120deg,#3a0d0b 0%,#8a1410 55%,var(--red) 160%);
  color:#fff;text-align:center;padding:66px 0;
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem)}
.cta-band p{color:#ffe4e2;max-width:560px;margin:0 auto 1.4rem}

/* ===== Footer ===== */
.site-footer{background:var(--black);color:#aeb5bf}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1fr;gap:36px;padding:60px 22px 40px}
.footer-logo{height:40px;filter:brightness(0) invert(1);opacity:.9;margin-bottom:1rem}
.footer-brand p{max-width:340px;font-size:.92rem}
.site-footer h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1rem}
.footer-links{display:flex;flex-direction:column;gap:.55rem}
.footer-links a{font-size:.92rem;transition:.15s}
.footer-links a:hover{color:var(--red-on-dark)}
.footer-contact p{margin:.2rem 0 .8rem;font-size:.92rem}
.footer-contact .footer-mail{display:block;margin:0 0 .8rem}
.footer-contact .link-arrow{color:var(--red-on-dark)}
.footer-phone-line{margin:.2rem 0 .8rem}
.footer-phone{color:#fff;font-weight:700;font-size:1rem;text-decoration:underline;text-underline-offset:3px}
.footer-phone:hover{color:var(--red-on-dark)}
.footer-mail{color:#fff;font-weight:700;font-size:1rem;text-decoration:underline;text-underline-offset:3px}
.footer-mail:hover{color:var(--red-on-dark)}
.footer-bar{border-top:1px solid rgba(255,255,255,.08)}
.footer-bar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;padding:18px 22px;font-size:.82rem;color:#9aa1ab}
.footer-bar .footer-credit a,.footer-bar .footer-legal a{color:#9aa1ab;text-decoration:none;border-bottom:1px solid rgba(154,161,171,.4);transition:.2s}
.footer-bar .footer-credit a:hover{color:var(--red-on-dark);border-bottom-color:var(--red-on-dark)}

/* ===== To top ===== */
.to-top{
  position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;
  background:var(--red);color:#fff;display:grid;place-items:center;font-size:1.2rem;
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.25s;z-index:40;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--red-dark);transform:translateY(-3px)}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Solutions groups (home + hub) ===== */
.solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.solution-group{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  display:flex;flex-direction:column;gap:.55rem;box-shadow:var(--shadow-sm);
}
.solution-group h3{font-size:1.05rem;text-transform:uppercase;letter-spacing:.05em;color:var(--red);margin-bottom:.4rem}
.solution-group a{font-weight:600;color:var(--ink);padding:.4rem 0;border-bottom:1px solid var(--line);transition:.15s}
.solution-group a:hover{color:var(--red);border-bottom-color:var(--red)}
.solution-group a:last-child{border-bottom:0}

/* ===== Solutions hub cards ===== */
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hub-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;display:flex;flex-direction:column;gap:.4rem;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
  position:relative;overflow:hidden;
}
.hub-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--red);transition:width .3s}
.hub-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d5d9df}
.hub-card:hover::before{width:100%}
.hub-card .hub-tag{font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--red);background:var(--red-soft);display:inline-block;padding:.25rem .6rem;border-radius:6px;width:fit-content;margin-bottom:.5rem}
.hub-card h3{font-size:1.12rem;margin:0}
.hub-card p{color:var(--gray);font-size:.92rem;margin:0}
.hub-card .link-arrow{margin-top:auto}

/* ===== Related links band ===== */
.related-list{display:flex;flex-wrap:wrap;gap:.9rem 1.8rem;margin-top:1.2rem}

/* ===== FAQ accordion ===== */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-accordion{display:grid;gap:12px;margin-top:38px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:var(--red)}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;gap:1rem;width:100%;text-align:left;
  background:none;border:0;padding:1.1rem 1.35rem;font-family:inherit;font-weight:700;font-size:1rem;
  color:var(--black);cursor:pointer;
}
.faq-q:hover{color:var(--red)}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--red);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:transform .25s,opacity .25s}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{margin:0;padding:0 1.35rem 1.2rem;color:var(--gray)}

/* ===== Consent notice ===== */
.form-consent{font-size:.8rem;color:var(--gray);margin:.9rem 0 0;text-align:center}
.form-consent a{color:var(--red);text-decoration:underline;text-underline-offset:2px}
.cookie-banner{
  position:fixed;left:0;right:0;bottom:0;z-index:95;
  background:var(--dark);color:#dfe3e9;border-top:1px solid rgba(255,255,255,.12);
  box-shadow:0 -10px 30px rgba(10,12,14,.35);
  padding:.85rem 0;font-size:.86rem;line-height:1.5;
  transform:translateY(102%);transition:transform .35s ease;
}
.cookie-banner.show{transform:none}
.cookie-banner .container{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.cookie-banner p{margin:0;max-width:820px}
.cookie-banner a{color:var(--red-on-dark);text-decoration:underline;text-underline-offset:2px}
.cookie-banner .btn{flex:none}
@media (max-width:560px){.cookie-banner .container{flex-direction:column;align-items:stretch;text-align:center}.cookie-banner .btn{width:100%}}
@media (max-width:760px){.cookie-banner{bottom:calc(70px + env(safe-area-inset-bottom))}}

/* ===== Responsive ===== */
@media (max-width:980px){
  .product-grid,.services-grid,.brands,.feature-grid,.solutions-grid,.hub-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .loop{grid-template-columns:repeat(3,1fr)}
  .loop li::after{display:none}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:760px){
  /* Mobile needs a wider gutter than the 22px desktop cap; with a
     full-bleed column of text, 22px reads as edge-to-edge. */
  .container{padding:0 30px}
  .footer-inner{padding:60px 30px 40px}
  .footer-bar .container{padding:18px 30px}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .primary-nav{
    position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;gap:0;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
    max-height:0;overflow:hidden;visibility:hidden;transition:max-height .3s ease,visibility 0s .3s;
  }
  .primary-nav.open{max-height:340px;visibility:visible;transition:max-height .3s ease}
  .primary-nav a{padding:.95rem 30px;border-top:1px solid var(--line)}
  .primary-nav a::after{display:none}
  .hero{padding:64px 0 80px}
  .hero-stats{grid-template-columns:1fr}
  .page-hero{padding:52px 0 46px}
  .modal{padding:14px}
  .modal-photo{height:200px}
}
@media (max-width:560px){
  .product-grid,.services-grid,.brands,.field-row,.feature-grid,.stat-grid,.solutions-grid,.hub-grid{grid-template-columns:1fr}
  .loop{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
  .header-actions .btn{display:none}
  .card-photo{height:170px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto;transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  .card-photo{transition:none}
  .modal{transition:none}
}

/* ===== Watlow distributor band (home) ===== */
.watlow-band{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:44px 0}
.watlow-band a{display:block;text-align:center}
.watlow-band .watlow-kicker{
  display:block;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gray);font-weight:700;margin-bottom:18px;
}
.watlow-band img{width:min(560px,72%);height:auto;margin:0 auto;transition:transform .25s ease}
.watlow-band a:hover img{transform:scale(1.04)}

/* ===== Line card (distributors) ===== */
.linecard-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin:1.4rem 0 1.8rem}
.linecard-note{color:var(--gray);font-size:.85rem}
.linecard-frame{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);background:var(--bg-alt);
}
.linecard-frame object{display:block;width:100%;height:min(140vh,900px)}
.linecard-frame p{margin:0;padding:1.2rem;color:var(--gray)}
.brands-watlow{width:min(420px,60%);height:auto;margin:0 auto 34px}

/* ===== Product modal photo variant ===== */
.modal-photo.is-photo{object-fit:contain;background:#fff;padding:8px}

/* ===== Floating mobile contact bar ===== */
.m-contact-bar{display:none}

/* ===== Tablet heading wrap (iPad portrait/landscape) ===== */
@media (max-width:1024px){
  .hero h1{font-size:clamp(1.95rem,4.4vw,2.9rem)}
}
.hero .accent{white-space:nowrap}

@media (max-width:760px){
  .m-contact-bar{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:rgba(193,18,31,.86);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-top:1px solid rgba(255,255,255,.22);
    box-shadow:0 -8px 24px rgba(16,18,21,.28);
  }
  .m-contact-bar a{
    display:flex;align-items:center;justify-content:center;gap:.5rem;
    min-height:46px;border-radius:12px;font-weight:800;font-size:.95rem;
    color:#fff;background:rgba(255,255,255,.14);
    border:1px solid rgba(255,255,255,.35);
  }
  .m-contact-bar a:active{background:rgba(255,255,255,.28)}
  .m-contact-bar svg{width:18px;height:18px;flex:none;stroke:#fff;fill:none;stroke-width:1.8}
  .to-top{bottom:calc(76px + env(safe-area-inset-bottom));right:16px}
  .footer-bar{padding-bottom:calc(74px + env(safe-area-inset-bottom))}
  .linecard-frame{display:none}
}

@media (min-width:761px) and (max-width:1024px){
  .primary-nav{gap:1rem}
  .brand-logo{height:46px}
}