/* =========================================================
   Helixon Chemicals — semiconductor process chemicals
   Jurong Island, Singapore

   Palette source: thin-film interference. A thermal SiO2 layer
   on silicon takes a characteristic colour at each thickness,
   and fabs read that chart to eyeball film thickness. Every
   accent below is a real point on it, so colour carries
   information instead of decorating.
   ========================================================= */

:root{
  /* --- Interference palette: colour, its angstrom value, and the
         text colour that clears 4.5:1 on top of it --- */
  --film-violet:#6D2BE8;   --on-violet:#FFFFFF;    /*  700 Å */
  --film-blue:#1560F0;     --on-blue:#FFFFFF;      /* 1000 Å */
  --film-cyan:#00C4DE;     --on-cyan:#07101F;      /* 1250 Å */
  --film-green:#12C270;    --on-green:#07101F;     /* 1500 Å */
  --film-gold:#FFB302;     --on-gold:#07101F;      /* 2000 Å */
  --film-orange:#FF6A1F;   --on-orange:#07101F;    /* 2200 Å */
  --film-magenta:#DB1466;  --on-magenta:#FFFFFF;   /* 2500 Å */

  /* Text-safe variants. The saturated film colours are fills, not type:
     orange on white is 2.9:1, and violet/blue on the dark ground are
     under 4:1. These are the same hues pushed to a passing ratio. */
  --film-orange-ink:#B34206;   /* orange as text on a light surface */
  --film-violet-lt:#AC8CFF;    /* violet as text on the dark ground  */
  --film-blue-lt:#6FA3FF;      /* blue   as text on the dark ground  */

  /* --- Silicon substrate: the dark ground everything sits on --- */
  --si-900:#080B14;
  --si-800:#0E1424;
  --si-700:#161E36;
  --si-600:#232E4C;

  /* --- Surfaces and ink --- */
  --bg:#FFFFFF;
  --haze:#F1F4FA;
  --line:#DFE5F0;
  --line-dark:rgba(255,255,255,.13);
  --ink:#080D1A;
  --body:#4A5573;
  --muted:#616C89;
  --ink-light:#FFFFFF;
  --body-light:#AFBAD4;
  --muted-light:#96A4C2;

  /* --- Type --- */
  --display:'Archivo','Archivo Expanded',system-ui,sans-serif;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'Cascadia Mono',Consolas,monospace;

  /* --- Geometry and motion --- */
  --max:1180px;
  --gutter:24px;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 2px 10px rgba(8,13,26,.06);
  --shadow-md:0 16px 40px rgba(8,13,26,.10);
  --shadow-lg:0 30px 70px rgba(8,13,26,.18);
}

/* =========================================================
   BASE
   ========================================================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{max-width:100%;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.05em;}
sub{font-size:.72em;}

h1,h2,h3{
  font-family:var(--display);
  font-variation-settings:'wdth' 112,'wght' 800;
  color:var(--ink);
  line-height:1.06;
  letter-spacing:-.022em;
  margin:0 0 .5em;
}
h1{font-size:clamp(2.3rem,5.2vw,3.9rem);}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem);}
h3{font-size:1.14rem;letter-spacing:-.012em;font-variation-settings:'wdth' 100,'wght' 700;}

a{color:inherit;text-decoration:none;}

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

.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:300;
  background:var(--si-900);color:#fff;padding:14px 20px;
  font-weight:600;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0;}

:focus-visible{
  outline:3px solid var(--film-cyan);
  outline-offset:3px;
  border-radius:3px;
}

/* The interference rail — seven real oxide thicknesses, used as
   a section divider and as the brand's through-line. */
.rail{display:flex;height:4px;width:100%;}
.rail i{flex:1;}
.rail i:nth-child(1){background:var(--film-violet);}
.rail i:nth-child(2){background:var(--film-blue);}
.rail i:nth-child(3){background:var(--film-cyan);}
.rail i:nth-child(4){background:var(--film-green);}
.rail i:nth-child(5){background:var(--film-gold);}
.rail i:nth-child(6){background:var(--film-orange);}
.rail i:nth-child(7){background:var(--film-magenta);}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:13px 26px;
  font-family:var(--sans);font-size:.97rem;font-weight:600;
  border:2px solid transparent;border-radius:var(--r-sm);
  cursor:pointer;text-align:center;
  transition:transform .18s var(--ease),background-color .18s var(--ease),
             border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

.btn-accent{background:var(--film-orange);color:var(--on-orange);}
.btn-accent:hover{background:#FF7F3D;}

.btn-primary{background:var(--si-900);color:#fff;}
.btn-primary:hover{background:var(--si-700);}

.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);background:var(--haze);}

.btn-block{width:100%;}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.scrolled{box-shadow:var(--shadow-sm);border-bottom-color:var(--line);}

.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px;}

.brand{display:inline-flex;align-items:center;gap:11px;min-height:44px;}
.brand-mark{
  width:30px;height:30px;flex:none;border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%,
      var(--film-gold)      0 18%,
      var(--film-green)    18% 36%,
      var(--film-cyan)     36% 54%,
      var(--film-blue)     54% 72%,
      var(--film-violet)   72% 88%,
      var(--film-magenta)  88% 100%);
  box-shadow:0 0 0 1px rgba(8,13,26,.12) inset;
}
.brand-text{
  font-family:var(--display);
  font-variation-settings:'wdth' 100,'wght' 800;
  font-size:1.12rem;letter-spacing:-.02em;color:var(--ink);
}
.brand-text em{font-style:normal;font-variation-settings:'wdth' 100,'wght' 600;color:var(--muted);}

.nav{display:flex;align-items:center;gap:4px;}
.nav a{
  display:inline-flex;align-items:center;min-height:44px;
  padding:9px 13px;border-radius:var(--r-sm);
  font-size:.94rem;font-weight:500;color:var(--body);
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.nav a:hover{color:var(--ink);background:var(--haze);}
.nav a.active{color:var(--ink);font-weight:600;}
.nav .nav-cta{
  margin-left:8px;padding:11px 20px;
  background:var(--si-900);color:#fff;font-weight:600;
}
.nav .nav-cta:hover{background:var(--si-700);color:#fff;}

.nav-toggle{
  display:none;width:46px;height:46px;flex:none;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-sm);
  cursor:pointer;padding:12px 11px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .16s;}
.nav-toggle span+span{margin-top:5px;}
.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;
  padding:clamp(56px,7vw,96px) 0 clamp(64px,8vw,104px);
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(21,96,240,.10), transparent 62%),
    radial-gradient(760px 420px at 6% 6%, rgba(109,43,232,.08), transparent 60%),
    var(--bg);
}
.hero-grid{
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(36px,5vw,72px);align-items:center;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:.78rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--body);
  margin:0 0 22px;padding:7px 13px;
  border:1px solid var(--line);border-radius:100px;background:#fff;
}
.eyebrow .dot{
  width:8px;height:8px;border-radius:50%;flex:none;
  background:var(--film-green);
  box-shadow:0 0 0 3px rgba(18,194,112,.22);
}

.hero h1{margin-bottom:22px;}

.lead{font-size:1.13rem;line-height:1.62;color:var(--body);max-width:54ch;margin-bottom:30px;}

.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:38px;}

.hero-facts{display:flex;flex-wrap:wrap;gap:0;margin:0;border-top:1px solid var(--line);}
.hero-facts > div{
  flex:1 1 150px;padding:16px 20px 14px;
  border-right:1px solid var(--line);
}
.hero-facts > div:last-child{border-right:0;}
.hero-facts dt{
  font-family:var(--mono);font-size:.72rem;font-weight:450;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
  margin-bottom:5px;
}
.hero-facts dd{
  margin:0;font-family:var(--display);
  font-variation-settings:'wdth' 100,'wght' 700;
  font-size:1.32rem;color:var(--ink);letter-spacing:-.02em;
}

/* ---------- SIGNATURE: the interference wafer ---------- */
.wafer-fig{margin:0;display:grid;gap:24px;justify-items:center;}

.wafer{
  position:relative;
  width:min(370px,78vw);aspect-ratio:1;
  border-radius:50%;
  box-shadow:
    0 0 0 9px #fff,
    0 0 0 10px var(--line),
    var(--shadow-lg);
  overflow:hidden;
  isolation:isolate;
}

/* Concentric bands — a real oxide non-uniformity signature, centre to edge */
.wafer-rings{
  position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,
    #F2F5FA          0  6%,
    var(--film-violet)   6% 19%,
    var(--film-blue)    19% 32%,
    var(--film-cyan)    32% 45%,
    var(--film-green)   45% 58%,
    var(--film-gold)    58% 71%,
    var(--film-orange)  71% 84%,
    var(--film-magenta) 84% 100%);
}

/* The sheen sweep — a wafer tilting under fab lighting */
.wafer-sheen{
  position:absolute;inset:-25%;
  background:conic-gradient(from 0deg,
    rgba(255,255,255,0)    0deg,
    rgba(255,255,255,.62) 28deg,
    rgba(255,255,255,0)   72deg,
    rgba(8,11,20,.34)    170deg,
    rgba(255,255,255,0)  250deg,
    rgba(255,255,255,.34) 308deg,
    rgba(255,255,255,0)  360deg);
  mix-blend-mode:overlay;
  animation:wafer-turn 22s linear infinite;
}
@keyframes wafer-turn{to{transform:rotate(360deg);}}

/* The notch — how a 300 mm wafer is oriented on the tool */
.wafer-notch{
  position:absolute;left:50%;bottom:-11px;
  width:24px;height:24px;transform:translateX(-50%) rotate(45deg);
  background:#fff;border-radius:3px;
}

.wafer-fig figcaption{width:100%;max-width:390px;}
.wafer-title{
  font-family:var(--mono);font-size:.74rem;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  margin:0 0 12px;
}
.wafer-key{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 14px;margin-bottom:14px;}
.wafer-key .k{
  display:flex;align-items:baseline;gap:8px;
  padding-left:12px;border-left:3px solid currentColor;
  font-size:.82rem;
}
.wafer-key .k b{font-family:var(--mono);font-size:.8rem;font-weight:600;color:var(--ink);}
.wafer-key .k span{color:var(--muted);}
.k-violet{color:var(--film-violet);}
.k-blue{color:var(--film-blue);}
.k-cyan{color:var(--film-cyan);}
.k-green{color:var(--film-green);}
.k-gold{color:var(--film-gold);}
.k-magenta{color:var(--film-magenta);}

.wafer-note{font-size:.85rem;line-height:1.55;color:var(--muted);margin:0;}

/* =========================================================
   PROOF STRIP
   ========================================================= */
.proof{background:var(--si-900);color:var(--ink-light);padding:34px 0;}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.proof .stat{border-left:3px solid var(--film-cyan);padding-left:16px;}
.proof .stat:nth-child(2){border-left-color:var(--film-green);}
.proof .stat:nth-child(3){border-left-color:var(--film-gold);}
.proof .stat:nth-child(4){border-left-color:var(--film-magenta);}
.proof .stat b{
  display:block;font-family:var(--display);
  font-variation-settings:'wdth' 100,'wght' 800;
  font-size:clamp(1.7rem,3vw,2.3rem);color:#fff;letter-spacing:-.03em;line-height:1;
}
.proof .stat span{display:block;margin-top:7px;font-size:.85rem;color:var(--body-light);}

/* =========================================================
   SECTION SHELL
   ========================================================= */
.section{padding:clamp(64px,8vw,110px) 0;}
.section-haze{background:var(--haze);}
.section-dark{background:var(--si-900);color:var(--body-light);}
.section-dark h2,.section-dark h3{color:var(--ink-light);}

.section-head{max-width:62ch;margin-bottom:clamp(36px,4.5vw,58px);}
.section-tag{
  font-family:var(--mono);font-size:.76rem;font-weight:600;
  letter-spacing:.13em;text-transform:uppercase;color:var(--film-orange-ink);
  margin:0 0 14px;
}
/* On the dark ground the full-strength orange clears contrast on its own. */
.section-dark .section-tag{color:var(--film-orange);}
.section-sub{font-size:1.04rem;color:var(--body);margin:0;}
.section-head--light .section-sub{color:var(--body-light);}

/* Scroll reveal — skipped entirely under reduced motion (see bottom) */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.visible{opacity:1;transform:none;}

/* =========================================================
   CHEMISTRY FAMILIES
   ========================================================= */
.chem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

.chem{
  position:relative;
  padding:30px 26px 26px;
  background:#fff;
  border:1px solid var(--line);
  border-top:5px solid var(--accent-film);
  border-radius:var(--r-md);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.chem:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}

.chem--violet{--accent-film:var(--film-violet);--accent-on:var(--on-violet);}
.chem--blue{--accent-film:var(--film-blue);--accent-on:var(--on-blue);}
.chem--cyan{--accent-film:var(--film-cyan);--accent-on:var(--on-cyan);}
.chem--green{--accent-film:var(--film-green);--accent-on:var(--on-green);}
.chem--gold{--accent-film:var(--film-gold);--accent-on:var(--on-gold);}
.chem--magenta{--accent-film:var(--film-magenta);--accent-on:var(--on-magenta);}

.chem-angstrom{
  display:inline-block;margin:0 0 14px;padding:5px 11px;
  background:var(--accent-film);color:var(--accent-on);
  font-family:var(--mono);font-size:.76rem;font-weight:600;
  letter-spacing:.06em;border-radius:100px;
}
.chem h3{margin-bottom:10px;}
/* :not([class]) keeps this off .chem-angstrom and .chem-grade, which are
   also direct-child paragraphs and would otherwise lose to it on specificity. */
.chem > p:not([class]){font-size:.94rem;color:var(--body);margin-bottom:16px;}

.molecules{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;}
.molecules li{
  font-family:var(--mono);font-size:.76rem;font-weight:450;
  padding:5px 9px;border-radius:var(--r-sm);
  background:var(--haze);color:var(--ink);border:1px solid var(--line);
}

.chem-grade{
  margin:0;padding-top:14px;border-top:1px dashed var(--line);
  font-family:var(--mono);font-size:.76rem;color:var(--muted);
}

/* =========================================================
   QUALIFICATION STEPS
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;}
.steps li{
  padding:26px 22px 24px;
  border-left:1px solid var(--line-dark);
}
.steps li:first-child{border-left:0;padding-left:0;}
.step-n{
  font-family:var(--mono);font-size:.8rem;font-weight:600;
  letter-spacing:.1em;margin:0 0 16px;
}
.steps li:nth-child(1) .step-n{color:var(--film-violet-lt);}
.steps li:nth-child(2) .step-n{color:var(--film-blue-lt);}
.steps li:nth-child(3) .step-n{color:var(--film-cyan);}
.steps li:nth-child(4) .step-n{color:var(--film-green);}
.steps li:nth-child(5) .step-n{color:var(--film-gold);}
.steps h3{margin-bottom:9px;}
/* Scoped away from .step-n, which is also a paragraph inside the list item. */
.steps p:not([class]){font-size:.9rem;color:var(--body-light);margin:0;}

/* =========================================================
   JURONG ISLAND
   ========================================================= */
.island-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,64px);align-items:start;}

.checklist{margin-top:26px;display:grid;gap:12px;}
.checklist li{position:relative;padding-left:32px;font-size:.96rem;color:var(--body);}
.checklist li::before{
  content:"";position:absolute;left:0;top:7px;
  width:16px;height:9px;
  border-left:2.5px solid var(--film-green);
  border-bottom:2.5px solid var(--film-green);
  transform:rotate(-45deg);
}

.logistics{
  padding:32px 28px;border-radius:var(--r-lg);
  background:var(--si-900);color:var(--body-light);
  box-shadow:var(--shadow-md);
}
.logistics-head{
  font-family:var(--mono);font-size:.74rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--film-gold);
  margin:0 0 18px;
}
.logistics-list{display:grid;gap:2px;margin-bottom:20px;}
.logistics-list li{
  display:flex;align-items:baseline;gap:16px;
  padding:12px 0;border-bottom:1px solid var(--line-dark);
}
.logistics-list li:last-child{border-bottom:0;}
.logistics-list b{
  font-family:var(--mono);font-size:.95rem;font-weight:600;color:#fff;
  min-width:66px;flex:none;
}
.logistics-list span{font-size:.92rem;}
.logistics-note{font-size:.85rem;line-height:1.55;color:var(--muted-light);}

.addr{
  font-style:normal;font-family:var(--mono);font-size:.82rem;line-height:1.75;
  padding-top:18px;border-top:1px solid var(--line-dark);color:#fff;
}

/* =========================================================
   PURITY TABLE + DOCS
   ========================================================= */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:26px;
  -webkit-overflow-scrolling:touch;
}
.spec-table{width:100%;border-collapse:collapse;min-width:680px;}
.spec-table caption{
  text-align:left;padding:18px 22px 0;
  font-family:var(--mono);font-size:.76rem;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}
.spec-table th,.spec-table td{
  padding:14px 22px;text-align:left;
  border-bottom:1px solid var(--line);
  font-size:.92rem;
}
.spec-table thead th{
  font-family:var(--mono);font-size:.74rem;font-weight:600;
  letter-spacing:.07em;text-transform:uppercase;color:var(--muted);
  border-bottom:2px solid var(--line);
}
.spec-table tbody th{font-weight:600;color:var(--ink);white-space:nowrap;}
.spec-table td{font-family:var(--mono);font-size:.85rem;color:var(--body);}
.spec-table td:last-child{font-family:var(--sans);font-size:.9rem;}
.spec-table tbody tr:last-child th,.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table .row-hi{background:rgba(255,179,2,.11);}
.spec-table .row-hi th{box-shadow:inset 4px 0 0 var(--film-gold);}

.doc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.doc{
  padding:24px 22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);
}
.doc h3{font-size:1rem;margin-bottom:8px;}
.doc p{font-size:.89rem;color:var(--body);margin:0;}

/* =========================================================
   LEAD MAGNET
   ========================================================= */
.magnet{
  display:grid;grid-template-columns:1.08fr .92fr;
  gap:clamp(32px,5vw,60px);align-items:center;
  padding:clamp(34px,4.5vw,54px);
  border-radius:var(--r-lg);
  background:
    radial-gradient(620px 320px at 96% 4%, rgba(255,106,31,.13), transparent 62%),
    var(--haze);
  border:1px solid var(--line);
}
.magnet-copy h2{margin-bottom:16px;}
.magnet-list{display:grid;gap:10px;margin:20px 0;}
.magnet-list li{position:relative;padding-left:28px;font-size:.95rem;color:var(--body);}
.magnet-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:11px;height:11px;border-radius:2px;background:var(--film-orange);
}
.magnet-meta{
  font-family:var(--mono);font-size:.78rem;color:var(--muted);margin:0;
}

.magnet-card{
  padding:32px 28px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-md);
}
.magnet-card-tag{
  font-family:var(--mono);font-size:.72rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  margin:0 0 10px;
}
.magnet-card-title{font-size:1.18rem;margin-bottom:22px;}
.magnet-spec{display:grid;gap:0;margin:0 0 24px;border-top:1px solid var(--line);}
.magnet-spec > div{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px solid var(--line);
}
.magnet-spec dt{font-size:.88rem;color:var(--body);}
.magnet-spec dd{
  margin:0;font-family:var(--mono);font-size:.92rem;font-weight:600;color:var(--ink);
}

/* =========================================================
   CONTACT PANEL  (replaces the former enquiry form)
   ========================================================= */
.enquiry-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(32px,5vw,64px);align-items:start;}

.contact-list{display:grid;gap:10px;margin:26px 0;}
.contact-list li{display:flex;align-items:center;gap:13px;font-size:.96rem;}
.contact-list svg{
  width:21px;height:21px;flex:none;
  fill:none;stroke:var(--film-cyan);stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.contact-list a{
  display:inline-flex;align-items:center;min-height:44px;
  color:var(--ink-light);border-bottom:1px solid var(--line-dark);
}
.contact-list a:hover{border-bottom-color:var(--film-cyan);}

.quote-panel{
  padding:clamp(28px,3.4vw,40px);
  background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);
}
.quote-panel-tag{
  font-family:var(--mono);font-size:.74rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--film-orange-ink);
  margin:0 0 12px;
}
.quote-panel-title{font-size:1.32rem;margin-bottom:22px;}
/* Beats .section-dark h3, which would otherwise paint this white on white. */
.section-dark .quote-panel-title{color:var(--ink);}

/* Numbered because a quote genuinely needs all five, in this order. */
.quote-list{counter-reset:q;display:grid;gap:2px;margin-bottom:26px;}
.quote-list li{
  counter-increment:q;position:relative;
  display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;
  padding:14px 0 14px 40px;
  border-bottom:1px solid var(--line);
}
.quote-list li:last-child{border-bottom:0;}
.quote-list li::before{
  content:counter(q,decimal-leading-zero);
  position:absolute;left:0;top:15px;
  font-family:var(--mono);font-size:.76rem;font-weight:600;color:var(--muted);
}
.quote-list b{
  font-family:var(--display);font-variation-settings:'wdth' 100,'wght' 700;
  font-size:.98rem;color:var(--ink);min-width:112px;
}
.quote-list span{font-size:.9rem;color:var(--body);}

.quote-panel-note{
  margin:18px 0 0;font-size:.86rem;line-height:1.6;color:var(--muted);
}

.fineprint{font-size:.8rem;color:var(--muted);margin:16px 0 0;line-height:1.55;}
.enquiry-copy .fineprint{color:var(--muted-light);}

/* =========================================================
   FAQ
   ========================================================= */
.faq-wrap{max-width:820px;}
.faq-list{border-top:1px solid var(--line);}
.faq-list details{border-bottom:1px solid var(--line);}
.faq-list summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 2px;cursor:pointer;list-style:none;
  font-family:var(--display);font-variation-settings:'wdth' 100,'wght' 700;
  font-size:1.05rem;color:var(--ink);letter-spacing:-.01em;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
  content:"";flex:none;width:12px;height:12px;
  border-right:2.5px solid var(--film-orange);
  border-bottom:2.5px solid var(--film-orange);
  transform:rotate(45deg) translateY(-3px);
  transition:transform .22s var(--ease);
}
.faq-list details[open] summary::after{transform:rotate(-135deg) translateY(-3px);}
.faq-list .faq-a{padding:0 2px 22px;}
.faq-list .faq-a p{font-size:.95rem;color:var(--body);margin:0;max-width:70ch;}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--si-900);color:var(--body-light);}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;
  gap:40px;padding:clamp(48px,6vw,72px) var(--gutter) 44px;
}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text em{color:var(--muted-light);}
.footer-note{margin-top:16px;font-size:.9rem;color:var(--muted-light);max-width:34ch;}
.footer-grid h2{
  font-family:var(--mono);font-size:.76rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:#fff;
  margin:0 0 16px;
}
.footer-grid nav a,.footer-grid > div a{
  display:flex;align-items:center;min-height:44px;
  font-size:.91rem;color:var(--body-light);
  transition:color .16s var(--ease);
}
.footer-grid nav a:hover,.footer-grid > div a:hover{color:var(--film-cyan);}
.footer-grid .addr{margin-top:14px;padding-top:14px;color:var(--muted-light);}
.hours{margin:10px 0 0;font-size:.85rem;color:var(--muted-light);}

.footer-bar{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px var(--gutter);border-top:1px solid var(--line-dark);
}
.footer-bar p{margin:0;font-size:.82rem;color:var(--muted-light);}

/* =========================================================
   BACK TO TOP
   ========================================================= */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  background:var(--si-900);color:#fff;font-size:1.15rem;
  border-radius:50%;box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--film-orange);color:var(--on-orange);}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1080px){
  .chem-grid{grid-template-columns:repeat(2,1fr);}
  .doc-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(3,1fr);}
  .steps li{border-left:1px solid var(--line-dark);padding-left:22px;}
  .steps li:first-child,.steps li:nth-child(4){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;}
  .wafer-fig{order:-1;}
  .island-grid,.enquiry-grid,.magnet{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
}

@media (max-width:780px){
  body{font-size:16.5px;}
  .nav-toggle{display:block;}

  .nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:12px var(--gutter) 20px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    display:none;
  }
  .nav.open{display:flex;}
  .nav a{padding:13px 12px;min-height:48px;display:flex;align-items:center;}
  .nav .nav-cta{margin:8px 0 0;justify-content:center;}

  .chem-grid,.doc-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .steps li{border-left:0;border-top:1px solid var(--line-dark);padding:22px 0;}
  .steps li:first-child{border-top:0;padding-top:0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .wafer-key{grid-template-columns:1fr;}
  .hero-facts > div{border-right:0;border-bottom:1px solid var(--line);flex-basis:100%;}
  .hero-facts > div:last-child{border-bottom:0;}
}

@media (max-width:520px){
  .proof-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
}

/* =========================================================
   MOTION PREFERENCES
   Reveal animations and the wafer sweep are decorative, so
   under reduced-motion the final state renders immediately.
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .reveal{opacity:1;transform:none;}
  .wafer-sheen{animation:none;}
}

/* =========================================================
   PRINT
   ========================================================= */
@media print{
  .site-header,.to-top,.nav,.hero-actions{display:none!important;}
  body{color:#000;font-size:11pt;}
  .section{padding:18pt 0;}
  .section-dark,.proof{background:#fff!important;color:#000!important;}
  .section-dark h2,.section-dark h3,.proof .stat b{color:#000!important;}
  .reveal{opacity:1!important;transform:none!important;}
}