/* ZETIC Vision — design system (zetic.ai style)
   Light surfaces, Inter, one teal accent. Body text never below 16px. */

@font-face{font-family:'Inter';src:url('assets/fonts/inter-latin.woff2') format('woff2');font-weight:100 900;font-display:swap}

:root{
  /* color */
  --ink:#0a0a0a;
  --muted:#5a605e;          /* 6.4:1 on white */
  --line:#e4e8e6;
  --soft:#f5f7f6;
  --white:#fff;
  --teal:#2dbdb2;           /* fills, buttons, bars */
  --teal-hover:#24ada3;
  --teal-ink:#16867d;       /* teal as text on light, 4.6:1 */
  --teal-tint:#e6f6f4;
  --dark:#101716;
  --dark-2:#18221f;
  --on-dark:#c9d4d1;
  --base-bar:#b9c2bf;       /* baseline = neutral gray */
  /* type scale */
  --fs-body:17px;
  --fs-small:15px;
  --fs-label:13px;
  --font:'Inter',Pretendard,-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --mono:ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  /* layout */
  --max:1200px;
  --gutter:clamp(20px,4vw,48px);
  --section:clamp(72px,10vw,112px);
  --radius:12px;
  --radius-sm:6px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font:400 var(--fs-body)/1.6 var(--font);-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--radius-sm);z-index:100}
.skip:focus{top:12px}
.container{max-width:calc(var(--max) + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}

/* ---------- type ---------- */
.eyebrow{font-size:var(--fs-label);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:20px}
.eyebrow.on-dark{color:#8fd8d1}
h1{font-size:clamp(42px,7vw,76px);line-height:1.04;font-weight:650;letter-spacing:-.035em}
h2{font-size:clamp(30px,4.4vw,48px);line-height:1.12;font-weight:650;letter-spacing:-.03em}
h3{font-size:20px;line-height:1.3;font-weight:600;letter-spacing:-.015em}
.accent{color:var(--teal-ink)}
.lead{font-size:clamp(18px,2vw,21px);line-height:1.55;color:var(--muted);max-width:640px}
.fine{font-size:var(--fs-small);color:var(--muted);margin-top:16px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding:0 24px;border-radius:var(--radius-sm);font-size:17px;font-weight:600;text-decoration:none;border:1px solid transparent;transition:background .15s,border-color .15s}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:var(--teal-hover)}
.btn-ghost{background:var(--white);border-color:#cfd6d3;color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px}
/* white text on #2dbdb2 is 2.3:1: keep it large/bold, and darken the label for small buttons */
.btn-primary{color:#06201d}
.btn-primary:hover{color:#06201d}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:30px;width:auto}
.brand-tag{font-size:var(--fs-label);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-ink);border:1px solid #bfe3df;background:var(--teal-tint);padding:3px 9px;border-radius:99px}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{font-size:var(--fs-small);font-weight:500;text-decoration:none;color:#2a302e;padding:8px 0}
.nav a:hover{color:var(--teal-ink)}

/* ---------- hero ---------- */
.hero{padding:clamp(56px,9vw,104px) 0 clamp(56px,8vw,88px);background:radial-gradient(900px 420px at 85% -10%,var(--teal-tint),transparent 70%),var(--white)}
.hero h1{margin-bottom:28px}
.hero .lead{margin-bottom:0}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:clamp(44px,7vw,72px)}
.stat-card{display:flex;flex-direction:column;gap:8px;height:100%;padding:28px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s}
.stat-card:hover{border-color:var(--teal);box-shadow:0 10px 30px -12px rgba(22,134,125,.35);transform:translateY(-2px)}
.stat-label{font-size:var(--fs-small);font-weight:600;color:var(--ink)}
.stat-num{font-size:clamp(44px,5vw,60px);line-height:1;font-weight:600;letter-spacing:-.05em;color:var(--teal-ink)}
.stat-num small{font-size:.55em;font-weight:500;margin-left:2px}
.stat-sub{font-size:var(--fs-small);line-height:1.5;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:var(--section) 0}
.section-soft{background:var(--soft)}
.section-head{margin-bottom:clamp(32px,5vw,52px);max-width:820px}
.section-note{font-size:18px;color:var(--muted);margin-top:20px;max-width:640px}

/* ---------- demo ---------- */
.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
.tab{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;padding:16px 20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .15s,background .15s}
.tab span{font-size:17px;font-weight:600}
.tab small{font-size:var(--fs-small);color:var(--muted)}
.tab:hover{border-color:#9fb5b1}
.tab[aria-selected="true"]{border-color:var(--teal);background:var(--teal-tint);box-shadow:inset 0 0 0 1px var(--teal)}
.tab[aria-selected="true"] span{color:#0d5f58}

.demo{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:0;background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.demo-media{background:var(--dark);display:flex;flex-direction:column;justify-content:center;min-width:0}
.demo-media-head{display:flex;justify-content:space-between;gap:16px;padding:14px 20px;font:500 var(--fs-label)/1.4 var(--mono);letter-spacing:.04em;color:#a9c4c0;border-bottom:1px solid #2a3835}
.demo-media-head span:first-child{color:#fff}
.demo-media video{width:100%;height:auto;background:#000;margin:auto 0}
.demo-info{padding:clamp(22px,3vw,36px);display:flex;flex-direction:column;gap:20px;min-width:0}

.chips-label{font-size:var(--fs-label);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:flex;align-items:baseline;gap:10px;padding:10px 16px;background:var(--white);border:1px solid #cfd6d3;border-radius:99px;font-size:var(--fs-small);font-weight:500}
.chip strong{font-size:var(--fs-small);color:var(--teal-ink);font-weight:650}
.chip:hover{border-color:var(--ink)}
.chip[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.chip[aria-selected="true"] strong{color:#7fe3d9}

.metric-label{font-size:var(--fs-small);font-weight:600;color:var(--muted)}
.metric-row{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-top:-8px}
.metric-num{font-size:clamp(64px,8vw,96px);line-height:1;font-weight:600;letter-spacing:-.06em;color:var(--teal-ink)}
.metric-num small{font-size:.5em;font-weight:500;margin-left:2px}
.metric-desc{font-size:18px;font-weight:500}

.bars{display:flex;flex-direction:column;gap:14px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bar-row{display:grid;grid-template-columns:76px 1fr 84px;align-items:center;gap:14px}
.bar-name{font-size:var(--fs-small);font-weight:500;color:var(--muted)}
.bar-name.zetic{color:var(--teal-ink);font-weight:650}
.bar-track{height:20px;background:var(--soft);border-radius:4px;overflow:hidden}
.bar-fill{display:block;height:100%;width:var(--w);border-radius:4px;transition:width .5s cubic-bezier(.2,.7,.2,1)}
.bar-fill.base{background:var(--base-bar)}
.bar-fill.zetic{background:var(--teal)}
.bar-val{font-size:var(--fs-small);font-weight:600;text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.bar-val.zetic{color:var(--teal-ink)}

.facts{display:grid;gap:10px}
.facts div{display:grid;grid-template-columns:92px 1fr;gap:12px}
.facts dt{font-size:var(--fs-small);color:var(--muted)}
.facts dd{font-size:var(--fs-small);font-weight:500}
.demo-note{font-size:var(--fs-small);line-height:1.6;color:#3a413f}

.scope{border-top:1px solid var(--line);padding-top:14px}
.scope summary{cursor:pointer;font-size:var(--fs-small);font-weight:600;color:var(--teal-ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.scope summary::-webkit-details-marker{display:none}
.scope summary::after{content:'+';font-size:22px;line-height:1;font-weight:400}
.scope[open] summary::after{content:'–'}
.scope p{font-size:var(--fs-small);line-height:1.65;color:var(--muted);margin-top:12px}

/* ---------- how ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{position:relative;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.step-num{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--teal-tint);color:var(--teal-ink);font-weight:650;margin-bottom:20px}
.step h3{margin-bottom:10px}
.step p{font-size:var(--fs-body);color:var(--muted)}
.proof-list{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:32px}
.proof-list li{position:relative;padding-left:28px;font-size:var(--fs-body);font-weight:500}
.proof-list li::before{content:'';position:absolute;left:0;top:.38em;width:16px;height:16px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.3l2.3 2.3 4.7-4.9' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat}

/* ---------- production case ---------- */
.section-dark{background:var(--dark);color:#fff}
.section-dark h2{color:#fff}
.case{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(32px,6vw,80px);align-items:center}
.case-lead{font-size:18px;line-height:1.6;color:var(--on-dark);margin:24px 0 32px;max-width:560px}
.case-points{display:grid;gap:18px}
.case-points li{display:grid;gap:2px;padding-left:20px;border-left:2px solid var(--teal)}
.case-points strong{font-size:18px;font-weight:600}
.case-points span{font-size:var(--fs-body);color:var(--on-dark)}
.case-card{background:var(--dark-2);border:1px solid #2a3835;border-radius:16px;padding:clamp(24px,3vw,36px)}
.case-badge{display:flex;align-items:center;gap:16px;padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid #2a3835;color:#7fe3d9}
.case-badge span{display:flex;flex-direction:column;color:#fff}
.case-badge small{font-size:var(--fs-label);letter-spacing:.08em;text-transform:uppercase;color:#8fa9a5;font-weight:600}
.case-badge strong{font-size:24px;font-weight:600;letter-spacing:-.02em}
.case-facts{display:grid;gap:16px}
.case-facts div{display:grid;grid-template-columns:110px 1fr;gap:12px}
.case-facts dt{font-size:var(--fs-small);color:#8fa9a5}
.case-facts dd{font-size:var(--fs-body);font-weight:500}

/* ---------- logos ---------- */
.logo-groups{display:grid;gap:40px}
.logo-group h3{font-size:var(--fs-label);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.logo-row{display:flex;flex-wrap:wrap;align-items:center;gap:20px 40px;padding-top:24px;border-top:1px solid var(--line)}
.logo-row img{width:auto;object-fit:contain}
.text-badge{display:inline-flex;align-items:center;height:48px;padding:0 20px;border:1px solid #cfd6d3;border-radius:99px;font-size:var(--fs-body);font-weight:600;color:#2a302e;background:var(--white)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(32px,6vw,80px);align-items:center}
.contact-grid h2{margin-bottom:24px}
.contact-grid .lead{margin-bottom:32px}
.poc-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:clamp(24px,3vw,36px)}
.poc-top{display:flex;justify-content:space-between;align-items:center;font-size:var(--fs-label);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.poc-top strong{font-size:var(--fs-small);letter-spacing:.04em;color:var(--teal-ink);background:var(--teal-tint);padding:4px 12px;border-radius:99px}
.poc-days{font-size:clamp(32px,4vw,44px);font-weight:600;letter-spacing:-.035em;margin:20px 0 24px;line-height:1.15}
.poc-days small{display:block;font-size:var(--fs-small);font-weight:400;letter-spacing:0;color:var(--muted);margin-top:8px}
.poc-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:24px 0;border-top:1px solid var(--line);margin-bottom:6px}
.poc-cols h3{font-size:var(--fs-label);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:10px}
.poc-cols li{font-size:var(--fs-body);padding:3px 0}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:36px 0;font-size:var(--fs-small);color:var(--muted)}
.footer-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px}
.footer-row a:not(.brand){text-decoration:none;font-weight:500;color:var(--ink)}
.footer-row a:not(.brand):hover{color:var(--teal-ink)}
.footer-row button{margin-left:auto;background:none;border:1px solid #cfd6d3;border-radius:var(--radius-sm);padding:8px 14px;font-size:var(--fs-small)}
.footer-row button:hover{border-color:var(--ink)}

/* ---------- intro-deck flows ---------- */
.flow,.case-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:16px}
.flow-arrow{align-self:center;font-size:28px;color:var(--teal-ink)}
.flow-step{display:flex;flex-direction:column;gap:8px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.flow-step.flow-main{background:var(--teal-tint);border-color:var(--teal)}
.flow-step p{color:var(--muted);font-size:18px}
.flow-tag{font-size:var(--fs-label);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.flow-main .flow-tag{color:var(--teal-ink)}
.flow-tag.on-dark{color:#8fa9a5}
.flow-foot{margin-top:24px;font-size:var(--fs-small);color:var(--muted)}

.case-flow li:not(.flow-arrow){display:flex;flex-direction:column;gap:6px;padding:28px;border:1px solid #2a3835;border-radius:var(--radius);background:var(--dark-2)}
.case-flow li.hl{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal)}
.case-flow strong{font-size:20px;font-weight:600;letter-spacing:-.01em}
.case-flow p{font-size:var(--fs-body);color:var(--on-dark)}
.case-flow .flow-arrow{color:#7fe3d9}
.case-lead{margin:20px 0 0}
.section-dark .section-head{margin-bottom:36px}
.case-change{display:grid;grid-template-columns:1fr;gap:clamp(24px,5vw,64px);align-items:center;margin-top:32px;padding-top:32px;border-top:1px solid #2a3835}
.case-change .case-badge{padding:0;margin:0;border:0}
.case-points{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-points>div{display:grid;gap:2px;padding-left:20px;border-left:2px solid var(--teal)}

.receive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.receive-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.receive-card .step-num{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--teal-tint);color:var(--teal-ink);font-weight:650;margin-bottom:20px}
.receive-card h3{margin-bottom:10px}
.receive-card p{color:var(--muted)}
.sub-h{margin:56px 0 20px;font-size:var(--fs-label);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.run-steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.run-steps li{padding:20px 20px 0 0}
.run-steps span{display:block;font:600 var(--fs-label) var(--mono);color:var(--teal-ink);margin-bottom:6px}
.run-steps strong{font-size:20px;font-weight:600}
.run-steps p{color:var(--muted);font-size:var(--fs-body)}
.run-foot{margin-top:24px;font-size:var(--fs-small);color:var(--muted)}

.case-head{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;max-width:none}
.case-head-copy{max-width:820px}
.case-logo{flex:none;display:grid;place-items:center;background:#fff;border-radius:var(--radius);padding:32px 48px}
.case-logo img{height:80px;width:auto;max-width:300px;object-fit:contain}

.trk{display:grid;gap:28px}
.trk-info{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.2fr);gap:clamp(24px,4vw,48px);align-items:center}
.trk-info .trk-foot{grid-column:2;margin-top:-16px}
.trk-media{background:var(--dark);border-radius:16px;overflow:hidden}
.trk-media video{width:100%;height:auto;background:#000}
.trk-metric{display:flex;flex-direction:column;gap:8px}
.trk-metric .metric-desc{font-size:18px;line-height:1.5;font-weight:400;color:var(--muted)}
.trk-metric .metric-desc strong{color:var(--ink);font-weight:600}
.trk-io{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.trk-io li{display:flex;flex-direction:column;gap:2px;padding:16px 20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.trk-io li.hl{border-color:var(--teal);background:var(--teal-tint)}
.trk-io strong{font-size:18px;font-weight:600}
.trk-foot{margin-top:16px;font-size:var(--fs-small);color:var(--muted)}

.team{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.team-card{display:flex;flex-direction:column;gap:6px;padding:28px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.team-card strong{font-size:20px;font-weight:600;letter-spacing:-.015em}
.team-card .role{font-size:var(--fs-small);font-weight:600;color:var(--teal-ink)}
.team-card p{color:var(--muted);margin-top:6px}
.team-stat strong{font-size:40px;letter-spacing:-.04em;color:var(--teal-ink)}
.about-contact{margin-top:32px;font-size:var(--fs-body);color:var(--muted)}
.about-contact a{color:var(--ink);font-weight:600;text-decoration:none;border-bottom:1px solid var(--teal)}

/* compact demo info: keep the panel no taller than the video */
.demo-info{padding:24px 28px;gap:14px;justify-content:center}
.chips-label{margin-bottom:8px}
.chips{gap:6px}
.chip{padding:7px 12px;font-size:14px;gap:8px}
.chip strong{font-size:14px}
.metric-row{margin-top:-6px;gap:12px}
.metric-num{font-size:clamp(48px,5vw,64px)}
.metric-desc{font-size:16px}
.bars{gap:10px;padding:14px 0}
.bar-track{height:14px}
.demo-note{font-size:14px;line-height:1.5}
.demo-info .scope{padding-top:10px}

/* semiconductor line illustration */
.case-flow .viz{display:block;width:100%;height:auto;margin:-6px 0 14px;background:radial-gradient(120% 90% at 50% 100%,#1f2d2a,transparent 70%);border-radius:8px}
.viz-belt{animation:viz-belt 3.2s linear infinite}
@keyframes viz-belt{from{transform:translateX(0)}to{transform:translateX(90px)}}
.viz-beam{animation:viz-pulse 1.6s ease-in-out infinite}
@keyframes viz-pulse{0%,100%{opacity:.55}50%{opacity:1}}
.viz-scan{animation:viz-scan 2.4s ease-in-out infinite alternate}
@keyframes viz-scan{from{transform:translateY(0)}to{transform:translateY(105px)}}
.viz-box{animation:viz-pulse 1.2s ease-in-out infinite}
.viz-flag{animation:viz-pulse 1.4s ease-in-out infinite}
body.motion-paused .viz *{animation-play-state:paused}
@media (prefers-reduced-motion:reduce){.viz *{animation:none!important}}

.trk-rt{display:flex;align-items:flex-start;gap:12px;margin-top:14px;padding:14px 16px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.trk-rt i{flex:none;width:10px;height:10px;margin-top:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px var(--teal-tint);animation:viz-pulse 1.6s ease-in-out infinite}
.trk-rt span{display:flex;flex-direction:column;font-size:var(--fs-small);color:var(--muted)}
.trk-rt strong{font-size:17px;color:var(--ink);font-weight:600}

/* SK hynix badge (no logo) */
.case-badge2{flex:none;display:flex;align-items:center;gap:16px;padding:22px 26px;border:1px solid #2a3835;border-radius:var(--radius);background:var(--dark-2);color:#7fe3d9}
.case-badge2 span{display:flex;flex-direction:column;color:#fff}
.case-badge2 small{font-size:var(--fs-label);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#8fa9a5}
.case-badge2 strong{font-size:20px;line-height:1.3;font-weight:600}

/* robotics case: stats + pipeline */
.trk-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.trk-stat{display:flex;flex-direction:column;gap:4px;padding:28px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.trk-num{font-size:clamp(40px,4.4vw,56px);line-height:1;font-weight:600;letter-spacing:-.05em;color:var(--teal-ink);margin-bottom:12px}
.trk-num small{font-size:.45em;font-weight:500;letter-spacing:-.02em}
.trk-stat strong{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:600}
.trk-stat>span:last-child{font-size:var(--fs-small);color:var(--muted)}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px var(--teal-tint);animation:viz-pulse 1.6s ease-in-out infinite}
.trk-pipe{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:16px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.trk-pipe span{display:flex;flex-direction:column;font-size:16px;font-weight:600}
.trk-pipe span.hl{padding:6px 12px;margin:-6px 0;border-radius:8px;background:var(--teal-tint)}
.trk-pipe small{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.trk-pipe span.hl small{color:var(--teal-ink)}
.trk-pipe b{color:var(--teal-ink);font-weight:400;font-size:20px}
.trk-pipe em{margin-left:auto;font-style:normal;font-size:var(--fs-small);color:var(--muted)}

/* the difference */
.diff{border:1px solid var(--line);border-radius:16px;overflow:hidden}
.diff-row{display:grid;grid-template-columns:minmax(160px,.8fr) 1fr 1.2fr}
.diff-row>span{padding:18px 24px;border-top:1px solid var(--line);font-size:var(--fs-body)}
.diff-row>span.z{background:var(--teal-tint);color:#0d4f49;font-weight:500}
.diff-head>span{border-top:0;font-size:var(--fs-small);font-weight:600;color:var(--muted);display:flex;flex-direction:column}
.diff-head>span small{font-weight:400}
.diff-head>span.z{color:var(--teal-ink)}
.diff-row [role=rowheader]{font-weight:600;display:flex;gap:12px;align-items:baseline}
.diff-row [role=rowheader] b{font:600 var(--fs-label) var(--mono);color:var(--teal-ink)}
.diff-row>span:nth-child(2){color:var(--muted)}
.diff-proof{margin-top:20px;font-size:var(--fs-body);color:#3a413f}
.diff-proof span{display:inline-block;margin-right:12px;padding:2px 10px;border-radius:99px;background:var(--soft);border:1px solid var(--line);font-size:var(--fs-label);font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.diff-proof strong{color:var(--teal-ink)}

.more-link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:var(--fs-small);font-weight:600;color:var(--teal-ink);text-decoration:none;border-bottom:1px solid #bfe3df;padding-bottom:2px}
.more-link:hover{border-color:var(--teal-ink)}

/* execution stack visual */
#difference{background:radial-gradient(900px 500px at 85% 20%,#e8f3f0,transparent 70%),var(--white)}
.diff-top{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(24px,5vw,72px);align-items:center}
.diff-top .section-head{margin-bottom:0}

.stack-fig{margin:0}
.stack-fig svg{width:100%;height:auto;display:block}
.stack-fig figcaption{margin-top:8px;text-align:right;font:500 var(--fs-label) var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.stack-key{display:grid;grid-template-columns:1fr 1fr;gap:24px 32px;margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.stack-key li{display:flex;flex-direction:column;font-weight:600;font-size:var(--fs-body)}
.stack-key b{font:600 var(--fs-label) var(--mono)}
.stack-key span{font-weight:400;font-size:var(--fs-small);color:var(--muted)}

/* what we deliver: visuals */
.receive-card{padding:0 0 28px;overflow:hidden}
.receive-card .rc-viz{display:block;width:100%;height:auto;padding:22px 28px 18px;background:linear-gradient(180deg,#f3f8f6,#fff);border-bottom:1px solid var(--line);margin-bottom:24px}
.receive-card h3,.receive-card p{padding:0 28px}
.run-steps{border-top:0;position:relative}
.run-steps::before{content:"";position:absolute;left:24px;right:24px;top:24px;height:2px;background:linear-gradient(90deg,var(--teal),#bfe3df)}
.run-steps li{position:relative;padding-top:0}
.run-steps .run-ico{position:relative;z-index:1;display:grid;place-items:center;width:48px;height:48px;margin-bottom:16px;border-radius:50%;background:var(--white);border:2px solid var(--teal);color:var(--teal-ink)}
.run-steps .run-ico svg{width:24px;height:24px;display:block}
.run-steps li:last-child .run-ico{background:var(--teal);color:#06201d}

/* what ZETIC does: icon flow */
.flow2{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:start;gap:16px;text-align:center;padding:64px 0 48px}
.flow2 li:not(.f2-arrow){display:flex;flex-direction:column;align-items:center;gap:18px}
.f2-ico{display:grid;place-items:center;height:84px}
.f2-ico svg{width:80px;height:80px}
.f2-logo img{width:auto;height:44px}
.flow2 h3{font-size:20px;font-weight:600;line-height:1.3;letter-spacing:-.015em}
.f2-arrow{align-self:start;margin-top:30px;font-size:22px;color:#8a9592}

/* consistency: same-background neighbours */
#what,#customers{border-top:1px solid var(--line)}

.team-bg h3{font-size:var(--fs-label);font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.team-bg .logo-row{display:grid;grid-template-columns:repeat(4,1fr);align-items:center;gap:32px 40px}
.team-bg .logo-row img{max-width:100%}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .nav{display:none}
  .header-row{justify-content:space-between}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .tabs{grid-template-columns:1fr 1fr 1fr}
  .demo{grid-template-columns:1fr}
  .trk-info{grid-template-columns:1fr}
  .trk-info .trk-foot{grid-column:auto;margin-top:0}
  .trk-io{grid-template-columns:1fr}
  .team{grid-template-columns:1fr}
  .case-head{flex-direction:column-reverse;gap:24px}
  .flow,.case-flow{grid-template-columns:1fr}
  .flow2{grid-template-columns:1fr;gap:8px}
  .f2-arrow{margin:0;transform:rotate(90deg);justify-self:center}
  .diff-top{grid-template-columns:1fr}
  .trk-stats{grid-template-columns:1fr}
  .trk-pipe{flex-direction:column;align-items:stretch;gap:6px}
  .trk-pipe span.hl{margin:0}
  .trk-pipe b{transform:rotate(90deg);align-self:flex-start;margin-left:6px;line-height:1}
  .trk-pipe em{margin:8px 0 0}
  .diff-row{grid-template-columns:1fr}
  .diff-row>span{padding:12px 18px}
  .diff-head>span:first-child{display:none}
  .diff-row>span:nth-child(2)::before{content:"Vendor toolchain: ";font-weight:600}
  .diff-row>span.z:not([role=columnheader])::before{content:"ZETIC: ";font-weight:600}
  .diff-head{display:none}
  .flow-arrow{transform:rotate(90deg);justify-self:center;margin:-6px 0}
  .receive-grid{grid-template-columns:1fr}
  .run-steps{grid-template-columns:1fr 1fr}
  .case-change{grid-template-columns:1fr}
}
@media (max-width:560px){
  :root{--fs-body:16px}
  .header-row{height:64px;gap:12px}
  .brand img{height:26px}
  .btn-sm{padding:0 14px;white-space:nowrap}
  .btn-sm span{display:none}
  .demo-media-head{flex-direction:column;gap:2px}
  .cta-row .btn{width:100%}
  .stat-card{padding:18px}
  .tabs{gap:8px;grid-template-columns:1fr}
  .team-bg .logo-row{grid-template-columns:1fr 1fr;gap:28px 24px}
  .tab{padding:14px}
  .bar-row{grid-template-columns:62px 1fr 74px;gap:10px}
  .facts div,.case-facts div{grid-template-columns:1fr;gap:0}
  .poc-cols{grid-template-columns:1fr}
  .case-points{grid-template-columns:1fr}
  .run-steps{grid-template-columns:1fr;gap:20px}
  .run-steps::before{left:23px;right:auto;top:24px;bottom:24px;width:2px;height:auto;background:linear-gradient(180deg,var(--teal),#bfe3df)}
  .run-steps li{display:grid;grid-template-columns:48px 1fr;column-gap:16px;padding:0}
  .run-steps li .run-ico{grid-row:span 3;margin:0}
  .footer-row button{margin-left:0}
}
@media (max-width:420px){
  .brand-tag{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}