/* Future Consultancy — stylesheet
   Brand tokens are taken from the greyscale logo. --accent is optional and
   can be changed or removed once the client confirms brand colours. */
:root{
  --ink:#0E0F11;
  --graphite:#2A2C30;
  --steel:#5E6268;
  --silver:#A3A7AD;
  --mist:#E6E8EB;
  --paper:#F7F7F5;
  --white:#FFFFFF;
  --accent:#3D6A86;
  --sig:linear-gradient(90deg,#000 0%,#5A5A5A 50%,#9A9A9A 100%);
  --line:rgba(14,15,17,.12);
  --line-strong:rgba(14,15,17,.22);
  --radius:10px;
  --wrap:1200px;
  --gutter:clamp(16px,4vw,40px);
  --header-h:76px;
  --display:"Jost",system-ui,sans-serif;
  --body:"DM Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:300;line-height:1.1;margin:0;letter-spacing:-.005em}
h4{font-family:var(--body);font-weight:600;margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.eyebrow{font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--steel);margin:0 0 12px}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;z-index:200;text-decoration:none}
.skip:focus{top:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.logo-icon,.pillar-icon,.loader,.hero-icon svg,.tick{stroke:none}
.logo-icon path,.pillar-icon path,.loader path{stroke:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 24px;border-radius:999px;font-size:15.5px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn svg{width:16px;height:16px;flex:none;stroke-width:1.8;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:var(--graphite)}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:var(--mist)}
.btn-outline{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost{border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(14,15,17,.04)}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px}

/* Top bar */
.topbar{background:var(--ink);color:var(--silver);font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar-links{display:flex;gap:24px}
.topbar a{text-decoration:none;transition:color .2s}
.topbar a:hover{color:#fff}
.topbar-since{letter-spacing:.14em;text-transform:uppercase;font-size:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:60;height:var(--header-h);color:#fff;--lg-dark:#fff;--lg-mid:#A3A7AD;--lg-light:#6E7177;transition:background .25s,color .25s,box-shadow .25s}
.site-header.solid{background:#fff;color:var(--ink);box-shadow:0 1px 0 var(--line),0 10px 30px -20px rgba(14,15,17,.25);--lg-dark:#000;--lg-mid:#6D6D6D;--lg-light:#969696}
.nav{display:flex;align-items:center;justify-content:space-between;height:100%}
.lockup{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-icon{height:44px;width:auto;overflow:visible}
.lg-dark{fill:var(--lg-dark)}.lg-mid{fill:var(--lg-mid)}.lg-light{fill:var(--lg-light)}
.logo-icon path{transition:fill .25s}
.lockup-text b{display:block;font-family:var(--display);font-weight:400;font-size:23px;letter-spacing:.3em;line-height:1}
.lockup-text small{display:block;font-family:var(--display);font-size:11px;letter-spacing:.32em;margin-top:5px;opacity:.75}
.nav-links{display:flex;gap:34px}
.nav-links a{position:relative;text-decoration:none;font-size:15.5px;font-weight:500;padding:6px 0;opacity:.85;transition:opacity .2s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.site-header.solid .nav-links a::after{background:var(--accent)}
.nav-links a:hover,.nav-links a.active{opacity:1}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.site-header:not(.solid) .nav-right .btn-solid{background:#fff;color:var(--ink)}
.menu-btn{display:none;width:44px;height:44px;border-radius:50%;border:1px solid currentColor;background:transparent;cursor:pointer;align-items:center;justify-content:center;opacity:.8}
.menu-btn span{display:block;width:18px;height:1.5px;background:currentColor;position:relative;transition:background .2s}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:currentColor;transition:transform .25s}
.menu-btn span::before{top:-6px}.menu-btn span::after{top:6px}
.menu-open .menu-btn span{background:transparent}
.menu-open .menu-btn span::before{transform:translateY(6px) rotate(45deg)}
.menu-open .menu-btn span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{display:none}

/* Hero */
.hero{position:relative;background:var(--ink);color:#fff;margin-top:calc(var(--header-h) * -1);padding-top:var(--header-h);min-height:max(640px,100vh);display:flex;flex-direction:column;overflow:hidden}
.hero-bg{position:absolute;inset:-12% 0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:60% 55%;filter:saturate(.15) brightness(.55);opacity:.42;will-change:transform}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(14,15,17,.96) 0%,rgba(14,15,17,.86) 45%,rgba(14,15,17,.6) 100%),linear-gradient(0deg,var(--ink) 0%,transparent 35%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(32px,5vw,72px);align-items:center;flex:1;padding-top:clamp(40px,6vw,72px);padding-bottom:40px;width:100%}
.hero .eyebrow{color:var(--silver)}
.hero-title{font-size:clamp(34px,4.1vw,58px);margin:10px 0 24px}
.line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.line>span{display:block}
.hero-lead{font-size:clamp(17px,1.4vw,19px);color:var(--silver);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-links{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;margin-top:42px;border-top:1px solid rgba(255,255,255,.14);max-width:560px;font-size:15px}
.hero-links a{display:flex;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.14);text-decoration:none;color:var(--silver);transition:color .2s}
.hero-links a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--silver);flex:none;transition:background .2s}
.hero-links a::after{content:"→";margin-left:auto;opacity:0;transform:translateX(-4px);transition:all .2s}
.hero-links a:hover{color:#fff}
.hero-links a:hover::before{background:#fff}
.hero-links a:hover::after{opacity:1;transform:none}
.hero-icon{justify-self:center;width:min(380px,80%);position:relative}
.hero-icon::before{content:"";position:absolute;inset:-30%;background:radial-gradient(50% 50% at 50% 55%,rgba(163,167,173,.16),transparent 70%);pointer-events:none}
.hero-icon svg{position:relative;width:100%;height:auto;display:block;overflow:visible}
.hero-foot{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;padding-bottom:28px;width:100%}
.since-badge{font-family:var(--display);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--silver);display:inline-flex;align-items:center;gap:14px}
.since-badge::before,.since-badge::after{content:"";width:28px;height:1px;background:var(--silver);opacity:.6}
.scroll-cue{width:1px;height:48px;background:rgba(255,255,255,.18);position:relative;overflow:hidden;transition:opacity .4s}
.scroll-cue i{position:absolute;left:0;top:0;width:100%;height:100%;background:#fff;transform:translateY(-100%);animation:cue 2.2s cubic-bezier(.65,0,.35,1) infinite}
.scroll-cue.hide{opacity:0}
@keyframes cue{0%{transform:translateY(-100%)}60%,100%{transform:translateY(100%)}}

/* Sections */
.section{padding:clamp(72px,9vw,128px) 0}
.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,56px)}
.section-head h2,.about-copy h2,.contact-copy h2{font-size:clamp(32px,3.8vw,52px)}
.section-head p+h2{margin-top:0}

/* About */
.about{background:var(--paper)}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,88px);align-items:center}
.about-media{margin:0;border-radius:12px;overflow:hidden;aspect-ratio:4/5;background:var(--mist)}
.about-media img{width:100%;height:100%;object-fit:cover;object-position:40% 60%}
.about-copy h2{margin-bottom:26px}
.about-copy p{color:var(--steel);font-size:17.5px}
.about-copy .lead{color:var(--ink);font-size:clamp(19px,1.7vw,22px);line-height:1.5}
.about-copy p+p{margin-top:18px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);margin-top:40px;border-top:1px solid var(--line)}
.pillar{padding:22px 20px 0 0}
.pillar+.pillar{padding-left:20px;border-left:1px solid var(--line)}
.pillar-icon{height:28px;width:auto;margin-bottom:14px}
.pillar-icon path{fill:var(--mist);transition:fill .5s}
.pillar-icon path:nth-child(1){transition-delay:0s}.pillar-icon path:nth-child(2){transition-delay:.12s}.pillar-icon path:nth-child(3){transition-delay:.24s}
.pillars.in .pillar-icon path:nth-child(1){fill:#000}
.pillars.in .pillar-icon path:nth-child(2){fill:#6D6D6D}
.pillars.in .pillar-icon path:nth-child(3){fill:#969696}
.pillar b{display:block;font-family:var(--display);font-weight:400;font-size:22px;margin-bottom:6px}
.pillar span{display:block;font-size:15px;color:var(--steel);line-height:1.5}

/* Services + tabs */
.services{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tabs{position:relative;display:flex;gap:4px;padding:6px;background:var(--mist);border-radius:999px;width:max-content;max-width:100%;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab-thumb{position:absolute;top:6px;left:6px;height:calc(100% - 12px);width:0;background:#fff;border-radius:999px;box-shadow:0 1px 2px rgba(14,15,17,.08),0 4px 14px rgba(14,15,17,.06);transition:left .35s cubic-bezier(.2,.7,.2,1),width .35s cubic-bezier(.2,.7,.2,1);pointer-events:none}
.tab-thumb::after{content:"";position:absolute;left:22px;right:22px;bottom:8px;height:2px;background:var(--sig);border-radius:2px}
.tab{position:relative;flex:none;border:0;background:transparent;padding:12px 22px;border-radius:999px;font-size:15.5px;font-weight:600;color:#4A4E54;cursor:pointer;white-space:nowrap;transition:color .2s;z-index:1}
.tab:hover,.tab[aria-selected="true"]{color:var(--ink)}
.no-js .tab[aria-selected="true"]{background:#fff}
.panel{padding-top:clamp(32px,4vw,48px)}
.panel[hidden]{display:none}
.panel-intro{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,5vw,64px);align-items:center;margin-bottom:clamp(28px,4vw,44px)}
.panel-intro h3{font-size:clamp(28px,3vw,40px);margin-bottom:14px}
.panel-intro p{color:var(--steel);font-size:18px;max-width:36em}
.panel-photo{border-radius:12px;overflow:hidden;aspect-ratio:2/1;background:var(--mist)}
.panel-photo img{width:100%;height:100%;object-fit:cover}
.panel-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;margin-top:32px;padding-top:28px;border-top:1px solid var(--line)}
.panel-foot p{color:var(--steel);font-size:15.5px;max-width:52em}
.panel-foot .actions{display:flex;flex-wrap:wrap;gap:10px}

.rows{display:grid;grid-template-columns:1fr 1fr;column-gap:clamp(24px,4vw,56px)}
.row{padding:22px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:36px 1fr;gap:4px 14px}
.row .ic{width:36px;height:36px;border-radius:50%;background:var(--mist);color:var(--ink);display:grid;place-items:center;grid-row:span 2}
.row .ic svg{width:18px;height:18px}
.row h4{margin-top:6px;font-size:18px}
.row p{color:var(--steel);font-size:16px}

/* Chemicals */
.chem-tools{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line-strong);background:transparent;border-radius:999px;padding:8px 15px;font-size:14.5px;font-weight:500;cursor:pointer;color:var(--steel);transition:all .2s}
.chip:hover{color:var(--ink);border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.chem-count{font-size:14.5px;color:var(--steel)}
.chem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.chem{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;display:flex;flex-direction:column;overflow:hidden;transition:border-color .2s,box-shadow .25s,transform .25s}
.chem::before{content:"";position:absolute;inset:0;background:radial-gradient(240px circle at var(--mx,50%) var(--my,50%),rgba(94,98,104,.10),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.chem:hover{border-color:var(--line-strong);box-shadow:0 12px 30px -16px rgba(14,15,17,.3);transform:translateY(-3px)}
.chem:hover::before{opacity:1}
.chem>*{position:relative}
.chem-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:10px}
.chem .tag{font-size:12.5px;font-weight:600;color:var(--ink);background:var(--mist);padding:3px 9px;border-radius:999px;white-space:nowrap}
.chem .formula{font-family:var(--display);font-size:17px;color:var(--steel);white-space:nowrap}
.chem .formula sub{font-size:.68em}
.chem h4{margin-bottom:8px;font-size:19px}
.chem p{color:var(--steel);font-size:15.5px;line-height:1.55;flex:1}
.chem .quote{margin-top:18px;align-self:flex-start;background:none;border:0;padding:0;font-weight:600;font-size:15px;color:var(--ink);display:inline-flex;align-items:center;gap:8px;cursor:pointer;text-decoration:underline;text-decoration-color:var(--silver);text-underline-offset:4px;transition:text-decoration-color .2s,gap .2s}
.chem .quote:hover{text-decoration-color:var(--ink);gap:11px}
.chem .quote svg{width:15px;height:15px;stroke-width:1.8}
.chem.hide{display:none}
.notice{display:flex;gap:14px;align-items:flex-start;background:var(--mist);border-radius:var(--radius);padding:18px 20px;font-size:15.5px;line-height:1.55;margin-top:28px;color:var(--graphite)}
.notice svg{width:20px;height:20px;flex:none;margin-top:2px}
.notice-dark{background:var(--ink);color:#fff;margin-top:0;flex-direction:column;gap:12px;padding:22px}
.notice-dark strong{color:#fff}

/* Tech */
.tech-layout{display:grid;grid-template-columns:.8fr 1.5fr;gap:clamp(24px,4vw,56px);align-items:start}
.tech-aside{position:sticky;top:calc(var(--header-h) + 20px);display:flex;flex-direction:column;gap:22px;align-items:flex-start}
.tech-aside .hint{color:var(--steel);font-size:15.5px}
.acc-list{display:grid;gap:10px}
.acc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .2s,box-shadow .25s}
.acc[open]{border-color:var(--line-strong);box-shadow:0 10px 30px -18px rgba(14,15,17,.3)}
.acc summary{list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.acc summary::-webkit-details-marker{display:none}
.acc-head h4{font-size:18px}
.acc-head span{display:block;color:var(--steel);font-size:15.5px;margin-top:3px}
.plus{flex:none;width:30px;height:30px;border-radius:50%;border:1px solid var(--line-strong);position:relative;transition:background .25s,border-color .25s}
.plus::before,.plus::after{content:"";position:absolute;left:50%;top:50%;width:11px;height:1.5px;background:var(--ink);transform:translate(-50%,-50%);transition:transform .3s,background .25s}
.plus::after{transform:translate(-50%,-50%) rotate(90deg)}
.acc[open] .plus{background:var(--ink);border-color:var(--ink)}
.acc[open] .plus::before,.acc[open] .plus::after{background:#fff}
.acc[open] .plus::after{transform:translate(-50%,-50%) rotate(0)}
.acc summary:hover .plus{border-color:var(--ink)}
.acc-body{overflow:hidden}
.acc-body p{margin:0 22px 22px;padding-top:16px;border-top:1px solid var(--line);color:var(--steel);font-size:16px}

/* Research */
.research{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px}
.rcard .ic{width:44px;height:44px;border-radius:12px;background:var(--ink);color:#fff;display:grid;place-items:center;margin-bottom:22px}
.rcard .ic svg{width:22px;height:22px}
.rcard h4{margin-bottom:10px;font-size:19px}
.rcard p{color:var(--steel);font-size:16px}

/* Process */
.process{background:var(--ink);color:#fff}
.process .eyebrow{color:var(--silver)}
.process .section-head h2{color:#fff}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0 28px}
.step{position:relative;padding-top:70px}
.dot{position:absolute;top:0;left:0;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.3);display:grid;place-items:center;font-family:var(--display);font-size:20px;background:var(--ink);transition:background .4s,border-color .4s,color .4s;z-index:1}
.step.on .dot{background:#fff;border-color:#fff;color:var(--ink)}
.step h3{font-size:24px;color:#fff;margin-bottom:10px}
.step p{font-size:16px;color:var(--silver);max-width:17em}
.track{position:absolute;top:23px;left:23px;right:23px;height:1px;background:rgba(255,255,255,.18)}
.progress{position:absolute;inset:0;background:linear-gradient(90deg,#9A9A9A,#fff);transform-origin:left;transform:scaleX(0)}
.no-js .progress{transform:none}

/* Contact */
.contact{background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,6vw,88px);align-items:start}
.contact-copy h2{margin-bottom:18px}
.contact-copy>p{color:var(--steel);font-size:18px}
.channels{margin-top:36px;border-top:1px solid var(--line)}
.channels li{border-bottom:1px solid var(--line)}
.channels a{display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:14px;padding:16px 0;text-decoration:none}
.channels .ic{width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);transition:background .2s,color .2s,border-color .2s}
.channels .ic svg{width:18px;height:18px}
.channels a:hover .ic{background:var(--ink);color:#fff;border-color:var(--ink)}
.channels small{display:block;font-size:13.5px;color:var(--steel);line-height:1.3}
.channels strong{font-weight:600;font-size:16.5px}
.channels .go{color:var(--steel);transition:transform .2s,color .2s}
.channels a:hover .go{transform:translateX(3px);color:var(--ink)}
.enquiry{background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(22px,3vw,36px)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:14.5px;font-weight:600}
.field input,.field select,.field textarea{width:100%;height:50px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;padding:0 14px;font-size:16px;transition:border-color .2s,box-shadow .2s;appearance:none;-webkit-appearance:none}
.field textarea{height:auto;min-height:130px;padding:13px 14px;resize:vertical;line-height:1.5}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%235E6268' stroke-width='1.6'%3E%3Cpath d='m1 1.5 5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;padding-right:40px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,106,134,.18)}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#B4432F}
.field .err{display:none;font-size:13.5px;color:#B4432F}
.field.invalid .err{display:block}
.field.product{display:none}
.field.product.show{display:flex}
.flash{animation:flash 1.4s ease}
@keyframes flash{25%{box-shadow:0 0 0 4px rgba(61,106,134,.3);border-color:var(--accent)}}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:22px}
.form-foot p{font-size:14px;color:var(--steel)}
.loader{display:none;height:16px;width:auto}
.loader path{fill:currentColor;transform-box:fill-box;transform-origin:50% 100%;animation:eq .9s cubic-bezier(.45,0,.55,1) infinite}
.loader path:nth-child(2){animation-delay:.12s}.loader path:nth-child(3){animation-delay:.24s}
@keyframes eq{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1)}}
.btn.loading .loader{display:inline-block}
.btn.loading .label{opacity:.6}
.sent{display:none;text-align:center;padding:40px 12px}
.tick{width:56px;height:56px;margin:0 auto 18px;stroke:var(--ink);stroke-width:1.8}
.tick circle{stroke-dasharray:164;stroke-dashoffset:164}
.tick path{stroke-dasharray:40;stroke-dashoffset:40}
.enquiry.is-sent .tick circle{animation:draw .7s ease forwards}
.enquiry.is-sent .tick path{animation:draw .5s .5s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.sent h3{font-size:28px;margin-bottom:10px}
.sent p{color:var(--steel)}
.enquiry.is-sent .fields,.enquiry.is-sent .form-foot{display:none}
.enquiry.is-sent .sent{display:block}

/* Footer */
.site-footer{background:var(--ink);color:var(--silver);font-size:15px;position:relative;padding:64px 0 32px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,#9A9A9A,#5A5A5A,#000)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer ul li+li{margin-top:10px}
.site-footer a{text-decoration:none;transition:color .2s}
.site-footer a:hover{color:#fff}
.lockup-light{color:#fff}
.foot-tag{margin-top:20px;font-size:14px;letter-spacing:.08em}
.foot-since{font-family:var(--display);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;margin-top:8px}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13.5px}
.foot-bottom p{max-width:60em}

/* Motion scaffolding (only when JS runs) */
.js .reveal,.js .stagger{opacity:0;transform:translateY(20px)}
.js .hero-fade{opacity:0;transform:translateY(16px)}
.js .line>span{transform:translateY(110%)}
.js [data-wipe]{clip-path:inset(100% 0 0 0)}
.js [data-wipe] img{transform:scale(1.06)}
.js .step h3,.js .step p{opacity:0;transform:translateY(14px);transition:opacity .6s,transform .6s}
.js .step.on h3,.js .step.on p{opacity:1;transform:none}

/* Responsive */
@media (max-width:1024px){
  .chem-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr 1fr;row-gap:44px}
  .track{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .topbar,.nav-links,.nav-right .btn{display:none}
  .menu-btn{display:inline-flex}
  .mobile-menu{display:block;position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);background:#fff;color:var(--ink);padding:calc(var(--header-h) + 16px) 28px 32px;transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.7,.2,1);z-index:-1;display:flex;flex-direction:column;box-shadow:-20px 0 60px rgba(0,0,0,.25)}
  .menu-open .mobile-menu{transform:none}
  .menu-open .site-header{background:#fff;color:var(--ink);--lg-dark:#000;--lg-mid:#6D6D6D;--lg-light:#969696}
  .mobile-menu nav a{display:block;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:20px;font-family:var(--display);font-weight:400;opacity:0;transform:translateX(16px);transition:opacity .35s,transform .35s}
  .menu-open .mobile-menu nav a{opacity:1;transform:none}
  .menu-open .mobile-menu nav a:nth-child(2){transition-delay:.06s}.menu-open .mobile-menu nav a:nth-child(3){transition-delay:.12s}.menu-open .mobile-menu nav a:nth-child(4){transition-delay:.18s}
  .mobile-contact{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:auto}
  .mobile-contact .btn{padding:0;font-size:14px;height:44px}
  .mobile-since{margin-top:18px;font-size:12.5px;color:var(--steel);letter-spacing:.06em}
  .menu-open{overflow:hidden}
  .hero-grid,.about-grid,.contact-grid,.panel-intro{grid-template-columns:1fr}
  .hero-icon{order:-1;width:min(230px,55%);justify-self:start;margin-top:8px}
  .hero-title{font-size:clamp(30px,8vw,52px)}
  .about-media{aspect-ratio:16/10}
  .panel-photo{display:none}
  .rows,.tech-layout,.research{grid-template-columns:1fr}
  .tech-aside{position:static}
  .hero-foot{padding-bottom:20px}
  .scroll-cue{display:none}
}
@media (max-width:600px){
  body{font-size:16px}
  .chem-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;row-gap:0}
  .step{padding:0 0 32px 66px}
  .step .dot{left:0;top:0}
  .step:not(:last-child)::after{content:"";position:absolute;left:23px;top:46px;bottom:0;width:1px;background:rgba(255,255,255,.18)}
  .pillars{grid-template-columns:1fr}
  .pillar,.pillar+.pillar{padding:16px 0;border-left:0;border-bottom:1px solid var(--line)}
  .fields{grid-template-columns:1fr}
  .hero-actions .btn,.form-foot .btn,.panel-foot .btn,.panel-foot .actions{width:100%}
  .hero-links{grid-template-columns:1fr}
  .tabs{border-radius:14px;width:100%}
  .tab-thumb{border-radius:10px}
  .filters{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:0 calc(var(--gutter) * -1);padding:0 var(--gutter)}
  .filters::-webkit-scrollbar{display:none}
  .chip{flex:none}
  .foot-grid{grid-template-columns:1fr}
  .lockup-text b{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  .js .reveal,.js .stagger,.js .hero-fade,.js .step h3,.js .step p{opacity:1;transform:none}
  .js .line>span{transform:none}
  .js [data-wipe]{clip-path:none}
  .js [data-wipe] img{transform:none}
  .hero-bg img{transform:none!important}
  .scroll-cue{display:none}
  .loader path{animation:pulse 1s infinite!important}
  @keyframes pulse{50%{opacity:.4}}
}