/* ============================================================
   Precision System Equipments — Design System v4
   "Refined Industrial" — premium LIGHT, warm neutrals, one dark band
   Brand-anchored on maroon. Type: IBM Plex Sans + IBM Plex Mono
   ============================================================ */

:root {
  --paper:     #FFFFFF;
  --surface:   #F6F4F1;   /* warm neutral (not clinical) */
  --surface-2: #FBFAF8;
  --ink:       #14161B;   /* headings / near-black */
  --body:      #3D424B;   /* body text (~9:1 on white) */
  --muted:     #646A73;
  --faint:     #8B9099;
  --line:      #E6E3DE;   /* warm hairline */
  --line-2:    #D8D4CD;

  --maroon:    #8B2433;
  --maroon-dk: #6E1C28;
  --maroon-br: #A22C3C;
  --maroon-tint:#F6EBED;

  --slate:     #191D24;   /* dark feature band + footer */
  --slate-2:   #12151B;
  --steel:     #5AA0C4;

  --font: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --container: 1240px;
  --gutter: clamp(20px, 5vw, 56px);
  --radius: 5px;
  --t: 170ms;

  /* spacing scale (4px base) — use these, not ad-hoc values */
  --sp-1: 4px;  --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px;  --sp-7: 40px;  --sp-8: 56px;
  --sp-9: 72px; --sp-10: 96px; --sp-11: 128px;
  /* fluid section rhythm */
  --section-y: clamp(88px, 10vw, 144px);
  --stack-title: var(--sp-5);   /* eyebrow → title  */
  --stack-lead:  var(--sp-5);   /* title → lead     */
  --shadow-sm: 0 2px 8px rgba(20,22,27,.05);
  --shadow-md: 0 16px 44px -18px rgba(20,22,27,.22);
  --shadow-panel: 0 30px 60px -28px rgba(20,22,27,.45);
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body {
  font-family:var(--font); background:var(--paper); color:var(--body);
  font-size:17px; line-height:1.62;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; overflow-x:hidden;
}
img,svg { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
ul { list-style:none; }
button { font-family:inherit; cursor:pointer; }
:focus-visible { outline:2px solid var(--maroon); outline-offset:3px; border-radius:2px; }

.container { max-width:var(--container); margin-inline:auto; padding-inline:var(--gutter); }
.section { padding-block: var(--section-y); }
.section--surface { background:var(--surface); }

/* ---- type ---- */
h1,h2,h3,h4 { color:var(--ink); font-weight:600; line-height:1.15; letter-spacing:-0.02em; }
h1 { font-size: clamp(2.25rem, 3.4vw, 3.25rem); line-height:1.1; letter-spacing:-0.022em; }  /* 36–52px */
h2 { font-size: clamp(1.75rem, 2.8vw, 2.25rem); line-height:1.15; }                            /* 28–36px */
h3 { font-size: clamp(1.15rem, 1.7vw, 1.35rem); }                                              /* 18–22px */
h4 { font-size: 1.0625rem; font-weight:600; }                                                  /* 17px */
p { color:var(--muted); }
b, strong { color:var(--body); font-weight:600; }

.eyebrow {
  font-family:var(--mono); font-size:.73rem; font-weight:500;
  letter-spacing:.16em; text-transform:uppercase; color:var(--maroon);
  display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before { content:""; width:24px; height:1px; background:currentColor; opacity:.6; }
.eyebrow--on-dark { color:var(--maroon-br); }

.section-head { max-width:700px; margin-bottom: clamp(56px,6vw,80px); }
.section-head__title { margin-top:var(--stack-title); }
.section-head__lead { margin-top:var(--stack-lead); font-size:1.14rem; line-height:1.55; color:var(--muted); }

/* ---- buttons ---- */
.btn {
  display:inline-flex; align-items:center; gap:9px; justify-content:center;
  font-weight:500; font-size:.96rem;
  padding:12px 22px; border-radius:var(--radius); border:1.5px solid transparent;
  transition: background var(--t) ease, border-color var(--t) ease, color var(--t) ease, transform var(--t) ease;
  white-space:nowrap;
}
.btn svg { width:16px; height:16px; }
.btn--sm { padding:10px 18px; font-size:.9rem; }
.btn--lg { padding:15px 28px; font-size:1rem; }
.btn--primary { background:var(--maroon); color:#fff; }
.btn--primary:hover { background:var(--maroon-dk); transform:translateY(-1px); }
.btn--outline { border-color:var(--line-2); color:var(--ink); }
.btn--outline:hover { border-color:var(--ink); }
.btn--light { background:#fff; color:var(--maroon); }
.btn--light:hover { background:rgba(255,255,255,.9); transform:translateY(-1px); }
.btn--on-dark { border-color:rgba(255,255,255,.3); color:#fff; }
.btn--on-dark:hover { border-color:#fff; background:rgba(255,255,255,.08); }

.link-arrow { display:inline-flex; align-items:center; gap:8px; font-weight:500; font-size:.94rem; color:var(--maroon); }
.link-arrow svg { width:16px; height:16px; transition:transform var(--t) ease; }
.link-arrow:hover svg { transform:translateX(4px); }

.chips { display:flex; gap:8px; flex-wrap:wrap; }
.chip { font-family:var(--mono); font-size:.75rem; padding:5px 12px; border:1px solid var(--line-2); border-radius:100px; color:var(--ink); background:var(--paper); }

/* ============================================================
   Utility bar + Header
   ============================================================ */
.utilbar { background:var(--slate); font-family:var(--mono); font-size:.78rem; }
.utilbar__inner { display:flex; justify-content:space-between; align-items:center; height:40px; gap:20px; color:rgba(255,255,255,.62); }
.utilbar a { color:rgba(255,255,255,.75); }
.utilbar a:hover { color:#fff; }
.utilbar__contact { display:flex; gap:11px; align-items:center; }
.utilbar__contact .sep { opacity:.4; }
.utilbar__badges { display:flex; gap:18px; }
.utilbar__badges span { color:rgba(255,255,255,.5); letter-spacing:.06em; }
.utilbar__badges span::before { content:"◆"; margin-right:7px; color:var(--maroon-br); }

.site-header {
  position:sticky; top:0; z-index:60; background:rgba(255,255,255,.9); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t), transform .3s ease;
  animation:header-drop .55s cubic-bezier(.22,1,.36,1) both;
}
.site-header.scrolled { box-shadow:var(--shadow-sm); }
.site-header--hidden { transform:translateY(-105%); }
@keyframes header-drop { from{ transform:translateY(-100%); } to{ transform:none; } }
.site-header__inner { display:flex; align-items:center; justify-content:space-between; height:72px; transition:height .25s ease; }
.site-header.scrolled .site-header__inner { height:60px; }
.site-header.scrolled .brand__logo { height:34px; }
.brand { display:flex; flex-direction:column; line-height:1; }
.brand__mark { font-weight:700; font-size:1.24rem; letter-spacing:-.02em; color:var(--ink); }
.brand__mark b { color:var(--maroon); font-weight:700; margin-left:.28em; }
.brand__mark--light { color:#fff; }
.brand__mark--light b { color:#fff; opacity:.7; }
.brand__sub { font-family:var(--mono); font-size:.59rem; letter-spacing:.2em; text-transform:uppercase; color:var(--faint); margin-top:6px; }
.brand__logo { height:42px; width:auto; display:block; transition:height .25s ease; }

.nav { display:flex; align-items:center; gap:30px; }
.nav a {
  font-size:.95rem; font-weight:500; color:var(--body); transition:color var(--t); position:relative;
  animation:nav-fade .45s ease both; animation-delay:calc(.12s + var(--i, 0) * .06s);
}
.nav a:nth-child(1){--i:0} .nav a:nth-child(2){--i:1} .nav a:nth-child(3){--i:2} .nav a:nth-child(4){--i:3} .nav a:nth-child(5){--i:4} .nav a:nth-child(6){--i:5}
@keyframes nav-fade { from{ opacity:0; transform:translateY(-8px); } to{ opacity:1; transform:none; } }
.nav a:hover, .nav a[aria-current="page"] { color:var(--maroon); }
.nav a::after {
  content:""; position:absolute; left:0; right:0; bottom:-7px; height:2px; background:var(--maroon);
  transform:scaleX(0); transform-origin:left; transition:transform .22s ease;
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform:scaleX(1); }
.header-actions { display:flex; align-items:center; gap:10px; }
.nav-toggle { display:none; background:none; border:0; width:44px; height:44px; }
.nav-toggle span { display:block; width:22px; height:2px; background:var(--ink); margin:5px auto; transition:.22s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero { position:relative; background:linear-gradient(180deg,var(--surface-2),var(--paper)); border-bottom:1px solid var(--line); overflow:hidden; }
.hero__bg {
  position:absolute; inset:0; pointer-events:none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 62% 58% at 22% 18%, #000 25%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 62% 58% at 22% 18%, #000 25%, transparent 72%);
  opacity:.55;
}
section[id] { scroll-margin-top: 120px; }
.hero__inner { display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(44px,5vw,80px); align-items:center; padding-top:clamp(40px,4vw,60px); padding-bottom:clamp(60px,6.5vw,96px); }
.hero__title { margin-top:var(--stack-title); }
.hero__title .hot { color:var(--maroon); }
.hero__lead { margin-top:var(--stack-lead); font-size:1.125rem; line-height:1.6; max-width:36em; color:var(--muted); }
.hero__actions { margin-top:var(--sp-6); display:flex; gap:14px; flex-wrap:wrap; }
.hero__meta { margin-top:var(--sp-6); display:flex; gap:clamp(24px,3vw,44px); border-top:1px solid var(--line); padding-top:var(--sp-4); }
.hero__meta-item { display:flex; flex-direction:column; gap:4px; }
.hero__meta-item .n { font-family:var(--mono); font-size:1.1rem; font-weight:600; color:var(--ink); }
.hero__meta-item .l { font-size:.8rem; color:var(--faint); line-height:1.35; }

/* full-bleed hero product stage — runs to screen right edge, diagonal left cut */
.hero-bleed {
  position:absolute; top:0; right:0; bottom:0; width:46%;
  clip-path:polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  overflow:hidden;
  background:
    radial-gradient(ellipse 62% 48% at 56% 40%, rgba(166,46,63,.18), transparent 68%),
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(168deg, #1D2129, #12151B);
  background-size: auto, 52px 52px, 52px 52px, auto;
}
.hero-bleed__img {
  position:absolute; left:55%; top:50%; transform:translate(-50%,-50%);
  width:min(72%, 520px); height:auto; max-height:82%; object-fit:contain;
  filter:drop-shadow(0 36px 42px rgba(0,0,0,.55));
}
/* full-cover photo variant (e.g. foundry image) */
.hero-bleed__img--photo {
  left:0; top:0; transform:none; inset:0;
  width:100%; height:100%; max-height:none;
  object-fit:cover; object-position:40% center; filter:none;
}
.hero-bleed__caption {
  position:absolute; z-index:2; bottom:18px; left:20%; right:24px;
  font-family:var(--mono); font-size:.66rem; letter-spacing:.02em; color:rgba(255,255,255,.85);
}
.hero-media__badge {
  position:absolute; z-index:2; top:18px; right:20px;
  font-family:var(--mono); font-size:.62rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--muted); background:rgba(255,255,255,.88); border:1px solid var(--line);
  padding:5px 10px; border-radius:4px;
}
.hero-media__play {
  position:absolute; z-index:2; left:56%; top:50%; transform:translate(-50%,-50%);
  width:72px; height:72px; border-radius:50%; border:0;
  background:var(--maroon); color:#fff; display:grid; place-items:center;
  transition:transform var(--t) ease, background var(--t) ease;
}
.hero-media__play svg { width:26px; height:26px; margin-left:3px; }
.hero-media__play:hover { background:var(--maroon-dk); transform:translate(-50%,-50%) scale(1.06); }
.hero-media__play::before {
  content:""; position:absolute; inset:-12px; border-radius:50%;
  border:2px solid var(--maroon); opacity:.4; animation:media-pulse 2.4s ease-out infinite;
}
@keyframes media-pulse { 0%{ transform:scale(1); opacity:.45; } 100%{ transform:scale(1.55); opacity:0; } }
.hero-media__caption {
  position:absolute; z-index:2; bottom:14px; left:16px; right:16px;
  font-family:var(--mono); font-size:.66rem; letter-spacing:.02em; color:rgba(255,255,255,.85);
}
.hero-media__play { z-index:2; }
@media (prefers-reduced-motion: reduce){ .hero-media__play::before{ animation:none; } }

/* floating defect→solution cards */
.float-card {
  position:absolute; z-index:2; background:var(--paper);
  border:1px solid var(--line); border-radius:8px; box-shadow:var(--shadow-md);
  padding:14px 18px 14px 30px; display:flex; flex-direction:column; gap:3px;
  animation:float-in .7s ease both;
}
.float-card--tl { top:9%; left:19%; animation-delay:.25s; }
.float-card--br { bottom:64px; right:24px; animation-delay:.45s; }
.float-card__label { font-family:var(--mono); font-size:.64rem; letter-spacing:.1em; text-transform:uppercase; color:var(--faint); }
.float-card__value { font-weight:600; font-size:.92rem; color:var(--ink); }
.float-card__dot { position:absolute; left:14px; top:50%; transform:translateY(-50%); width:7px; height:7px; border-radius:50%; background:var(--maroon); }
.float-card__dot::after { content:""; position:absolute; inset:-5px; border-radius:50%; border:1.5px solid var(--maroon); opacity:.35; animation:media-pulse 2.4s ease-out infinite; }
@keyframes float-in { from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }
@media (prefers-reduced-motion: reduce){ .float-card{ animation:none; } .float-card__dot::after{ animation:none; } }

/* ============================================================
   Animated sector marquee
   ============================================================ */
.marquee-band { border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--surface-2); padding-block:26px; }
.marquee-band__label { text-align:center; font-family:var(--mono); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--faint); margin-bottom:18px; }
.marquee { overflow:hidden; -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent); mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent); }
.marquee__track { display:flex; align-items:center; gap:30px; width:max-content; animation:marquee 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state:paused; }
.marquee__item { font-weight:500; font-size:1.05rem; color:var(--ink); opacity:.72; white-space:nowrap; letter-spacing:.005em; }
.marquee__sep { color:var(--maroon); font-size:.55rem; }
@keyframes marquee { to { transform:translateX(-50%); } }
@media (prefers-reduced-motion: reduce){ .marquee__track{ animation:none; transform:none; } }

/* ============================================================
   Defect → Solution
   ============================================================ */
.defect-split { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.defect { background:var(--paper); border:1px solid var(--line); border-radius:10px; padding:clamp(32px,3vw,48px); display:flex; flex-direction:column; box-shadow:var(--shadow-sm); transition:border-color var(--t), box-shadow var(--t), transform var(--t); }
.defect:hover { border-color:var(--line-2); box-shadow:var(--shadow-md); transform:translateY(-3px); }
.defect__idx { font-family:var(--mono); font-size:.76rem; font-weight:500; letter-spacing:.1em; color:var(--faint); }
.defect__kind { margin-top:16px; align-self:flex-start; font-family:var(--mono); font-size:.74rem; letter-spacing:.05em; text-transform:uppercase; color:var(--maroon); background:var(--maroon-tint); padding:5px 11px; border-radius:4px; }
.defect h3 { margin-top:14px; }
.defect__desc { margin-top:12px; color:var(--muted); }
.defect__sol { margin-top:24px; padding-top:22px; border-top:1px solid var(--line); }
.defect__sol-label { font-family:var(--mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase; color:var(--faint); }
.defect__sol .chips { margin-top:13px; }
.defect .link-arrow { margin-top:26px; }

/* ============================================================
   Product taxonomy
   ============================================================ */
.prod-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:10px; overflow:hidden; box-shadow:var(--shadow-sm); }
.prod-cell { position:relative; background:var(--paper); display:flex; flex-direction:column; transition:background var(--t); }
.prod-cell:hover { background:var(--surface-2); }
.prod-cell__img { position:relative; aspect-ratio:4/3; background:#fff; border-bottom:1px solid var(--line); overflow:hidden; }
.prod-cell__img img { position:absolute; inset:0; width:100%; height:100%; padding:24px; object-fit:contain; transition:transform .25s ease; }
.prod-cell:hover .prod-cell__img img { transform:scale(1.04); }
.prod-cell__body { padding:26px 28px 28px; display:flex; flex-direction:column; flex:1; }
.prod-cell__top { display:flex; justify-content:space-between; align-items:baseline; }
.prod-cell__no { font-family:var(--mono); font-size:.82rem; color:var(--maroon); letter-spacing:.08em; }
.prod-cell__tag { font-family:var(--mono); font-size:.63rem; letter-spacing:.08em; text-transform:uppercase; color:var(--faint); }
.prod-cell__name { margin-top:18px; font-size:1.28rem; }
.prod-cell__list { margin-top:15px; display:flex; flex-direction:column; gap:9px; flex:1; }
.prod-cell__list li { font-size:.9rem; color:var(--muted); display:flex; gap:9px; align-items:baseline; }
.prod-cell__list li::before { content:""; width:5px; height:5px; margin-top:7px; background:var(--maroon); flex:none; border-radius:1px; opacity:.75; }
.prod-cell__go { margin-top:16px; color:var(--maroon); opacity:0; transform:translateX(-5px); transition:var(--t); }
.prod-cell__go svg { width:20px; height:20px; }
.prod-cell:hover .prod-cell__go { opacity:1; transform:translateX(0); }

/* full-range CTA under a product grid */
.section-cta { margin-top:var(--sp-7); display:flex; flex-direction:column; align-items:center; gap:var(--sp-4); text-align:center; }
.section-cta__note { font-family:var(--mono); font-size:.74rem; letter-spacing:.1em; text-transform:uppercase; color:var(--faint); }

/* auxiliary equipment bar */
.aux-bar {
  margin-top:20px; display:flex; align-items:center; gap:22px; flex-wrap:wrap;
  border:1px solid var(--line); border-radius:10px; background:var(--paper);
  padding:18px 26px; box-shadow:var(--shadow-sm);
}
.aux-bar__label { font-family:var(--mono); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--faint); white-space:nowrap; }
.aux-bar__list { display:flex; gap:8px 24px; flex-wrap:wrap; flex:1; }
.aux-bar__list li { font-weight:500; font-size:.93rem; color:var(--ink); display:flex; gap:9px; align-items:baseline; }
.aux-bar__list li::before { content:""; width:5px; height:5px; background:var(--maroon); border-radius:1px; opacity:.7; transform:translateY(-2px); }

/* ============================================================
   Why us (DARK feature band)
   ============================================================ */
.why { position:relative; background:var(--slate); overflow:hidden; }
.why::before {
  content:""; position:absolute; inset:0;
  background:url(../img/hero-casting.jpg) center 30%/cover no-repeat;
  opacity:.1; pointer-events:none;
}
.why::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg, var(--slate) 8%, transparent 60%); pointer-events:none; }
.why .container { position:relative; z-index:1; }
.why__inner { display:grid; grid-template-columns:.95fr 1.05fr; gap:clamp(48px,5vw,88px); align-items:start; }
.why__title { color:#fff; font-size:clamp(1.9rem,3.5vw,2.65rem); }
.why__intro .why__title { margin-top:18px; }
.why__lead { margin-top:18px; color:rgba(255,255,255,.66); font-size:1.1rem; line-height:1.55; }
.cred-row { display:flex; gap:12px; flex-wrap:wrap; margin-top:30px; }
.cred { border:1px solid rgba(255,255,255,.16); border-radius:6px; padding:15px 20px; background:rgba(255,255,255,.03); display:flex; flex-direction:column; gap:2px; }
.cred__k { font-weight:600; font-size:1.02rem; color:#fff; }
.cred__v { font-family:var(--mono); font-size:.65rem; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.5); }
.why__list { display:flex; flex-direction:column; }
.why-item { display:grid; grid-template-columns:auto 1fr; gap:22px; padding:28px 0; border-top:1px solid rgba(255,255,255,.14); align-items:start; }
.why-item:last-child { border-bottom:1px solid rgba(255,255,255,.14); }
.why-item__no { font-family:var(--mono); font-size:.85rem; color:var(--maroon-br); padding-top:4px; }
.why-item h4 { color:#fff; }
.why-item p { margin-top:6px; font-size:.97rem; color:rgba(255,255,255,.62); }

/* ============================================================
   Process
   ============================================================ */
.process { background:var(--paper); }
.process-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(28px,3.5vw,48px); }
.process-step__head { display:flex; align-items:center; gap:16px; margin-bottom:var(--sp-5); }
.process-step__no { font-family:var(--mono); font-size:.95rem; font-weight:600; color:var(--maroon); border:1px solid var(--line-2); border-radius:100px; padding:8px 14px; background:var(--surface-2); }
.process-step__line { flex:1; height:1px; background:var(--line); }
.process-step h3 { font-size:1.2rem; }
.process-step p { margin-top:var(--sp-3); font-size:.97rem; line-height:1.6; }

/* ============================================================
   Quote (placeholder)
   ============================================================ */
.quote { background:var(--surface); }
.quote__inner { max-width:880px; margin-inline:auto; text-align:center; }
.placeholder-tag { font-family:var(--mono); font-size:.66rem; letter-spacing:.05em; color:var(--faint); border:1px dashed var(--line-2); padding:5px 12px; border-radius:4px; display:inline-block; margin-bottom:24px; }
.quote__text { font-size:clamp(1.35rem,2.8vw,2.05rem); line-height:1.3; font-weight:600; letter-spacing:-.015em; color:var(--ink); }
.quote__cite { display:block; margin-top:22px; font-family:var(--mono); font-size:.8rem; color:var(--faint); font-style:normal; }

/* ============================================================
   CTA band (flat maroon)
   ============================================================ */
.cta-band {
  background:
    linear-gradient(rgba(110,28,40,.94), rgba(139,36,51,.9)),
    url(../img/furnace-night.jpg) center/cover no-repeat;
  color:#fff; text-align:center; padding-block:clamp(60px,7vw,96px);
}
.cta-band .eyebrow { justify-content:center; color:rgba(255,255,255,.72); }
.cta-band .eyebrow::before { background:rgba(255,255,255,.6); }
.cta-band__title { margin-top:16px; color:#fff; font-size:clamp(1.9rem,4vw,2.9rem); }
.cta-band__lead { margin-top:18px; max-width:40em; margin-inline:auto; color:rgba(255,255,255,.85); font-size:1.08rem; }
.cta-band__actions { margin-top:32px; display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background:var(--slate-2); padding-block:62px 28px; font-size:.92rem; color:rgba(255,255,255,.6); }
.footer-grid { display:grid; grid-template-columns:1.7fr 1fr 1fr 1.5fr; gap:48px; }
.footer-logo { height:54px; width:auto; display:block; }
.footer-about { margin-top:16px; max-width:32ch; line-height:1.6; color:rgba(255,255,255,.5); }
.footer-certs { margin-top:20px; display:flex; gap:10px; flex-wrap:wrap; }
.footer-certs span { font-family:var(--mono); font-size:.65rem; letter-spacing:.06em; text-transform:uppercase; color:rgba(255,255,255,.65); border:1px solid rgba(255,255,255,.18); padding:5px 10px; border-radius:4px; }
.site-footer h5 { color:#fff; font-family:var(--mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; font-weight:500; margin-bottom:16px; }
.site-footer ul li { margin-bottom:10px; }
.site-footer a:hover { color:#fff; }
.footer-contact li { display:flex; gap:11px; margin-bottom:12px; line-height:1.45; }
.footer-contact .k { font-family:var(--mono); font-size:.62rem; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.4); min-width:44px; padding-top:2px; }
.footer-bottom { margin-top:48px; padding-top:24px; border-top:1px solid rgba(255,255,255,.14); display:flex; justify-content:space-between; gap:14px 26px; flex-wrap:wrap; font-family:var(--mono); font-size:.74rem; color:rgba(255,255,255,.4); }
.footer-credit a { color:rgba(255,255,255,.62); border-bottom:1px solid rgba(255,255,255,.22); padding-bottom:1px; transition:color var(--t), border-color var(--t); }
.footer-credit a:hover { color:#fff; border-color:#fff; }

/* ============================================================
   Callout, FAQ, Spec table (product pages)
   ============================================================ */
.callout {
  border:1px solid var(--line-2); border-left:4px solid var(--maroon); border-radius:8px;
  background:var(--maroon-tint); padding:clamp(24px,3vw,36px); max-width:880px;
}
.callout__kicker { font-family:var(--mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--maroon); margin-bottom:12px; }
.callout__text { color:var(--body); line-height:1.65; }

.faq { max-width:820px; display:flex; flex-direction:column; }
.faq details { border-top:1px solid var(--line); }
.faq details:last-child { border-bottom:1px solid var(--line); }
.faq summary {
  cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding:20px 0; font-weight:600; color:var(--ink); font-size:1.05rem;
}
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; font-family:var(--mono); font-size:1.2rem; color:var(--maroon); flex:none; transition:transform .2s ease; }
.faq details[open] summary::after { transform:rotate(45deg); }
.faq details p { padding:0 0 22px; color:var(--muted); max-width:60ch; }

.spec-wrap { max-width:880px; overflow-x:auto; }
.spec-table { width:100%; border-collapse:collapse; border:1px solid var(--line); border-radius:8px; overflow:hidden; font-size:.95rem; }
.spec-table th, .spec-table td { text-align:left; padding:14px 18px; border-bottom:1px solid var(--line); }
.spec-table thead th { font-family:var(--mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--faint); background:var(--surface); }
.spec-table td:first-child { font-weight:600; color:var(--ink); white-space:nowrap; }
.spec-table td { color:var(--muted); }
.spec-table tr:last-child td { border-bottom:0; }
.spec-note { margin-top:14px; font-size:.86rem; color:var(--faint); }
.spec-note a { color:var(--maroon); font-weight:500; }

/* 2x2 consumables collage inside a product cell (same frame as prod-cell__img) */
.prod-cell__collage {
  position:relative; aspect-ratio:4/3; border-bottom:1px solid var(--line); overflow:hidden;
  display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:repeat(2,minmax(0,1fr));
  gap:1px; background:var(--line);
}
.prod-cell__collage img {
  width:100%; height:100%; min-width:0; min-height:0; object-fit:cover; object-position:center 72%;
  background:#fff; transition:transform .25s ease;
}
.prod-cell:hover .prod-cell__collage img { transform:scale(1.05); }

.img-band { margin-top:28px; border:1px solid var(--line); border-radius:10px; background:#fff; overflow:hidden; }
.img-band img { width:100%; height:auto; display:block; }
.img-band figcaption { padding:14px 20px; border-top:1px solid var(--line); font-family:var(--mono); font-size:.72rem; letter-spacing:.03em; color:var(--faint); }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal { opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in { opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity:1; transform:none; transition:none; }
  .site-header, .nav a { animation:none; }
  .site-header--hidden { transform:none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1000px) {
  .hero { display:flex; flex-direction:column-reverse; }   /* copy first, image below */
  .hero__inner, .why__inner { grid-template-columns:1fr; }
  .hero__inner { gap:0; padding-top:32px; padding-bottom:40px; }
  .hero-bleed {
    position:relative; width:auto; clip-path:none;
    aspect-ratio:16/10; margin:0 var(--gutter) 48px; border-radius:10px;
  }
  .hero-bleed__caption { left:16px; }
  .hero-media__play { left:50%; }
  .float-card--tl { left:12px; top:12px; }
  .float-card--br { right:12px; bottom:12px; }
  .prod-grid { grid-template-columns:repeat(2,1fr); }
  .process-grid { grid-template-columns:1fr; gap:32px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:34px; }
}
@media (max-width: 760px) {
  :root { --section-y: clamp(56px, 12vw, 72px); }    /* lighter section rhythm on mobile */
  .utilbar { display:none; }
  .nav, .header-actions { display:none; }
  .nav-toggle { display:block; }
  .nav.open { display:flex; position:absolute; top:72px; left:0; right:0; flex-direction:column; align-items:stretch; gap:0; background:var(--paper); border-bottom:1px solid var(--line); padding:8px var(--gutter) 16px; box-shadow:var(--shadow-md); }
  .nav.open a { padding:14px 0; border-bottom:1px solid var(--line); font-size:1.02rem; }
  .nav.open a:last-child { border-bottom:0; }
  .nav a::after { display:none; }
  .nav a { animation:none; }
  .site-header__inner { height:64px; }
  .nav.open { top:64px; }
  .brand__logo { height:36px; }
  .defect-split, .prod-grid, .footer-grid { grid-template-columns:1fr; }
  .prod-cell { min-height:0; }
  .hero__meta { flex-wrap:wrap; gap:16px 28px; }
  .section-head { margin-bottom:40px; }
  .marquee-band { padding-block:20px; }
  .footer-bottom { flex-direction:column; }
}

@media (max-width: 480px) {
  body { font-size:16px; }
  .hero__actions { flex-direction:column; }
  .hero__actions .btn { width:100%; }
  .cta-band__actions { flex-direction:column; align-items:stretch; }
  .cta-band__actions .btn { width:100%; }
  .defect { padding:24px 20px; }
  .prod-cell__body { padding:22px 20px; }
  .float-card { padding:10px 14px 10px 26px; }
  .float-card__value { font-size:.84rem; }
  .float-card__label { font-size:.58rem; }
  .hero-media__play { width:64px; height:64px; }
  .quote__text { font-size:1.25rem; }
}

/* ============================================================
   Inner pages — page hero
   ============================================================ */
.page-hero { background:linear-gradient(180deg, var(--surface-2), var(--paper)); border-bottom:1px solid var(--line); padding-block:clamp(56px,7vw,96px) clamp(48px,5vw,72px); }
.page-hero__title { margin-top:var(--stack-title); max-width:16em; }
.page-hero__lead { margin-top:var(--stack-lead); font-size:1.14rem; line-height:1.6; color:var(--muted); max-width:38em; }
.page-hero__meta { margin-top:var(--sp-6); display:flex; gap:10px; flex-wrap:wrap; }

/* ============================================================
   Inner pages — product detail blocks
   ============================================================ */
.pdetail { display:grid; grid-template-columns:1fr 1fr; gap:clamp(40px,5vw,88px); align-items:center; }
.pdetail + .pdetail { margin-top:clamp(72px,8vw,120px); }
.pdetail--flip .pdetail__media { order:2; }
.pdetail__media {
  position:relative; border:1px solid var(--line); border-radius:12px; background:#fff;
  aspect-ratio:4/3; overflow:hidden; box-shadow:var(--shadow-sm);
}
.pdetail__media img { position:absolute; inset:0; width:100%; height:100%; object-fit:contain; padding:32px; }
.pdetail__media--dark {
  background:
    radial-gradient(ellipse 62% 48% at 50% 42%, rgba(166,46,63,.18), transparent 68%),
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(168deg, #1D2129, #12151B);
  background-size:auto, 52px 52px, 52px 52px, auto; border:0;
}
.pdetail__media--dark img { object-fit:contain; padding:40px; filter:drop-shadow(0 28px 34px rgba(0,0,0,.5)); }
.pdetail__kicker { font-family:var(--mono); font-size:.76rem; letter-spacing:.1em; color:var(--faint); }
.pdetail__body h2 { margin-top:14px; }
.pdetail__body .lead { margin-top:14px; font-size:1.08rem; color:var(--muted); }
.pdetail__body .chips { margin-top:22px; }
.ticks { margin-top:22px; display:flex; flex-direction:column; gap:11px; }
.ticks li { display:flex; gap:12px; align-items:baseline; color:var(--body); font-size:.98rem; }
.ticks li::before { content:"✓"; color:var(--maroon); font-weight:700; flex:none; }
.pdetail__body .btn, .pdetail__body .link-arrow { margin-top:26px; }

/* flow strip (how it works) */
.flow { border:1px solid var(--line); border-radius:10px; background:var(--surface-2); padding:26px 30px; display:flex; align-items:center; gap:14px 18px; flex-wrap:wrap; }
.flow__step { display:flex; align-items:center; gap:14px 18px; }
.flow__label { font-family:var(--mono); font-size:.8rem; color:var(--ink); background:var(--paper); border:1px solid var(--line-2); padding:8px 14px; border-radius:100px; white-space:nowrap; }
.flow__arrow { color:var(--maroon); flex:none; }
.flow__arrow svg { width:18px; height:18px; }
.flow__note { width:100%; margin-top:6px; font-family:var(--mono); font-size:.7rem; letter-spacing:.06em; color:var(--faint); }

/* ============================================================
   About page
   ============================================================ */
.about-grid { display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(40px,5vw,80px); align-items:start; }
.about-grid__body p + p { margin-top:16px; }
.about-facts { border:1px solid var(--line); border-radius:12px; background:var(--surface-2); padding:clamp(26px,3vw,40px); display:flex; flex-direction:column; gap:22px; }
.about-fact { display:flex; flex-direction:column; gap:4px; padding-bottom:20px; border-bottom:1px solid var(--line); }
.about-fact:last-child { border-bottom:0; padding-bottom:0; }
.about-fact .k { font-family:var(--mono); font-size:.68rem; letter-spacing:.12em; text-transform:uppercase; color:var(--faint); }
.about-fact .v { font-weight:600; color:var(--ink); line-height:1.45; }

/* ============================================================
   Blog page
   ============================================================ */
.post-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.post-card { border:1px solid var(--line); border-radius:10px; background:var(--paper); padding:clamp(24px,2.5vw,34px); display:flex; flex-direction:column; box-shadow:var(--shadow-sm); }
.post-card__tag { font-family:var(--mono); font-size:.66rem; letter-spacing:.1em; text-transform:uppercase; color:var(--maroon); }
.post-card h3 { margin-top:14px; font-size:1.18rem; }
.post-card p { margin-top:10px; font-size:.95rem; flex:1; }
.post-card__foot { margin-top:20px; font-family:var(--mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--faint); }

/* ============================================================
   Contact page
   ============================================================ */
.contact-grid { display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(40px,5vw,80px); align-items:start; }
.cform { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.cform .full { grid-column:1 / -1; }
.cform label { display:flex; flex-direction:column; gap:8px; font-size:.88rem; font-weight:500; color:var(--ink); }
.cform input, .cform textarea {
  font-family:var(--font); font-size:.98rem; color:var(--ink);
  border:1.5px solid var(--line-2); border-radius:var(--radius); background:var(--paper);
  padding:12px 14px; transition:border-color var(--t);
}
.cform input:focus, .cform textarea:focus { outline:none; border-color:var(--maroon); }
.cform textarea { min-height:140px; resize:vertical; }
.cform .hp { position:absolute; left:-9999px; opacity:0; height:0; overflow:hidden; }
.cform button { justify-self:start; }
.form-note { grid-column:1/-1; font-size:.82rem; color:var(--faint); }
.form-alert { grid-column:1/-1; border-radius:var(--radius); padding:14px 18px; font-size:.95rem; }
.form-alert--ok { background:#EDF6EE; border:1px solid #BFDEC4; color:#265C30; }
.form-alert--err { background:var(--maroon-tint); border:1px solid #E4C3C9; color:var(--maroon-dk); }
.contact-info { border:1px solid var(--line); border-radius:12px; background:var(--surface-2); padding:clamp(26px,3vw,40px); }
.contact-info h3 { font-size:1.15rem; }
.contact-info ul { margin-top:22px; display:flex; flex-direction:column; gap:18px; }
.contact-info li { display:flex; gap:14px; line-height:1.5; }
.contact-info .k { font-family:var(--mono); font-size:.64rem; letter-spacing:.1em; text-transform:uppercase; color:var(--faint); min-width:62px; padding-top:4px; }
.contact-info a:hover { color:var(--maroon); }
.contact-info .btn { margin-top:24px; }

@media (max-width: 1000px) {
  .pdetail, .about-grid, .contact-grid { grid-template-columns:1fr; }
  .pdetail--flip .pdetail__media { order:0; }
  .post-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 760px) {
  .post-grid, .cform { grid-template-columns:1fr; }
  .flow { padding:20px; }
}