/* ═══════════════════════════════════════════════════════════════
   ORIFICE — Precision Flow. Engineered.
   Design tokens → base → layout → components → sections → responsive
   ═══════════════════════════════════════════════════════════════ */

:root{
  --bg:#07090C;
  --bg-2:#0A0D12;
  --panel:#10151C;
  --panel-2:#141A23;
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --text:#E8EDF2;
  --muted:#8D9AA8;
  --dim:#5D6875;
  --accent:#35E0FF;
  --accent-soft:rgba(53,224,255,.14);
  --accent-line:rgba(53,224,255,.34);
  --amber:#FFB454;
  --amber-soft:rgba(255,180,84,.14);
  --steel-1:#6C7885;
  --steel-2:#C6D0DA;

  --display:"Space Grotesk",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;

  --shell:1280px;
  --pad:clamp(20px,4vw,48px);
  --sec-y:clamp(72px,9vw,140px);
  --r:4px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-tech:cubic-bezier(.65,.02,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--body);font-size:16px;line-height:1.65;font-weight:300;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

.skip-link{
  position:fixed;top:-60px;left:16px;z-index:200;background:var(--accent);color:#04191F;
  padding:10px 16px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;transition:top .2s
}
.skip-link:focus{top:16px}

/* ── ambient blueprint field ─────────────────────────────────── */
.grid-field{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.014) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.014) 1px,transparent 1px);
  background-size:160px 160px,160px 160px,32px 32px,32px 32px;
  background-position:var(--gx,0) var(--gy,0);
  mask-image:radial-gradient(ellipse 120% 90% at 50% 0%,#000 20%,rgba(0,0,0,.35) 70%,transparent 100%);
}
.scroll-rail{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;background:transparent}
.scroll-rail span{display:block;height:100%;width:0;background:var(--accent);box-shadow:0 0 12px var(--accent-line)}

/* ── type ────────────────────────────────────────────────────── */
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.02em;line-height:1.02;margin:0}
h1{font-size:clamp(2.6rem,6.2vw,5.3rem);letter-spacing:-.035em}
h2{font-size:clamp(2rem,4.2vw,3.6rem);letter-spacing:-.03em}
h3{font-size:1.05rem;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
em{font-style:normal}
.hl{color:var(--accent)}

.eyebrow{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--dim);display:flex;align-items:center;gap:12px;margin:0 0 22px;flex-wrap:wrap
}
.eyebrow .tick{width:26px;height:1px;background:var(--line-2);flex:none}
.card-label{
  font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--dim);margin:0 0 14px
}
.micro-note{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;color:var(--dim);margin:10px 0 0;line-height:1.7}
.micro-note.center{text-align:center;margin-top:32px}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--pad);position:relative;z-index:1}

.section{padding:var(--sec-y) 0;position:relative;border-top:1px solid var(--line)}
.section.alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.sec-head{max-width:760px;margin-bottom:clamp(40px,5vw,72px)}
.sec-lede{color:var(--muted);font-size:clamp(1rem,1.35vw,1.18rem);margin-top:22px;max-width:62ch}
.body-note{color:var(--muted);max-width:82ch;margin-top:40px;font-size:.98rem;border-left:1px solid var(--line-2);padding-left:22px}

/* ── buttons ─────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--mono);font-size:.74rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  padding:15px 26px;border:1px solid transparent;border-radius:var(--r);cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .35s var(--ease),box-shadow .3s var(--ease);
  will-change:transform;background:none;text-align:center
}
.btn-primary{background:var(--accent);color:#031318;border-color:var(--accent)}
.btn-primary:hover{background:#7EEBFF;box-shadow:0 0 0 1px var(--accent),0 10px 40px -12px var(--accent)}
.btn-outline{border-color:var(--line-2);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.btn-ghost{color:var(--muted);padding-inline:14px}
.btn-ghost:hover{color:var(--text)}
.btn-sm{padding:11px 18px;font-size:.68rem}
.btn-lg{padding:18px 34px}

/* ── nav ─────────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:110;
  border-bottom:1px solid transparent;transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s
}
.nav.is-stuck{background:rgba(7,9,12,.82);backdrop-filter:blur(14px) saturate(1.2);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:22px;height:76px;transition:height .35s var(--ease)}
.nav.is-stuck .nav-inner{height:62px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{width:26px;height:26px;color:var(--accent);transition:transform .8s var(--ease-tech)}
.nav.is-stuck .brand-mark{transform:rotate(180deg)}
.brand-text{font-family:var(--display);font-weight:700;letter-spacing:.18em;font-size:.95rem}
.brand-text em{font-size:.5em;vertical-align:super;color:var(--dim);letter-spacing:0}

.nav-links{display:flex;gap:clamp(10px,1.6vw,26px);margin-left:auto;flex-wrap:nowrap;list-style:none;padding:0}
.nav-links li{display:contents}
.nav-links a{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.07em;color:var(--muted);
  padding:6px 0;position:relative;white-space:nowrap;transition:color .25s
}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--accent);transition:right .35s var(--ease)}
.nav-links a:hover,.nav-links a.is-active{color:var(--text)}
.nav-links a.is-active::after,.nav-links a:hover::after{right:0}
.nav-cta{display:flex;align-items:center;gap:8px;margin-left:18px;flex:none}
.nav-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:var(--r);width:42px;height:38px;padding:10px;flex-direction:column;justify-content:space-between;cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;height:1px;background:var(--text);transition:transform .3s var(--ease),opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ── reveal ──────────────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ═══════════ 1 · HERO ═══════════ */
.hero{position:relative;padding-top:clamp(28px,5vw,56px);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(28px,4vw,64px);align-items:center;min-height:min(78vh,760px)}
.hero-copy h1{margin-bottom:26px}
.lede{color:var(--muted);font-size:clamp(1rem,1.4vw,1.2rem);max-width:52ch}
.hero-actions{display:flex;gap:12px;margin-top:38px;flex-wrap:wrap}
.hero-specs{display:flex;gap:clamp(18px,3vw,44px);margin:52px 0 0;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-specs dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
.hero-specs dd{margin:6px 0 0;font-family:var(--display);font-size:1.15rem;font-weight:500;letter-spacing:-.01em}

.hero-visual{position:relative}
.rig-frame{
  position:relative;aspect-ratio:5/4;width:100%;border:1px solid var(--line);border-radius:var(--r);
  background:radial-gradient(120% 90% at 50% 40%,rgba(53,224,255,.055),transparent 62%),var(--panel);
  overflow:hidden
}
.rig-frame .corner{position:absolute;width:14px;height:14px;border:1px solid var(--accent-line)}
.corner.tl{top:10px;left:10px;border-right:0;border-bottom:0}
.corner.tr{top:10px;right:10px;border-left:0;border-bottom:0}
.corner.bl{bottom:10px;left:10px;border-right:0;border-top:0}
.corner.br{bottom:10px;right:10px;border-left:0;border-top:0}
#flowCanvas{position:absolute;inset:0;width:100%;height:100%}
.plate3d{
  position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;
  perspective:900px;will-change:transform,opacity;z-index:2
}
.plate3d svg{width:56%;filter:drop-shadow(0 30px 60px rgba(0,0,0,.65));transform:rotateY(-26deg) rotateX(12deg);transform-style:preserve-3d}
.p3d-tag{font-family:var(--mono);font-size:9px;fill:var(--muted);letter-spacing:.14em}

.rig-labels{position:absolute;inset:0;z-index:3;pointer-events:none}
.rlab{
  position:absolute;font-family:var(--mono);font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim);display:flex;align-items:baseline;gap:7px;white-space:nowrap;
  padding:4px 8px;border:1px solid var(--line);background:rgba(7,9,12,.6);border-radius:2px;
  opacity:0;animation:labIn .7s var(--ease) forwards
}
.rlab b{font-size:.82rem;color:var(--accent);letter-spacing:.04em}
.l-p1{top:16%;left:6%;animation-delay:.5s}
.l-p2{top:16%;right:6%;animation-delay:.7s}
.l-dp{top:44%;left:50%;transform:translateX(-50%);animation-delay:.9s}
.l-D{bottom:26%;left:6%;animation-delay:1.1s}
.l-d{bottom:12%;left:50%;transform:translateX(-50%);animation-delay:1.3s}
.l-b{bottom:26%;right:6%;animation-delay:1.5s}
@keyframes labIn{from{opacity:0;transform:translateY(8px)}to{opacity:1}}
.l-dp,.l-d{animation-name:labInC}
@keyframes labInC{from{opacity:0}to{opacity:1}}

.rig-caption{
  font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;color:var(--dim);
  margin-top:14px;display:flex;align-items:center;gap:9px
}
.dot-live{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 var(--accent-line)}50%{opacity:.5;box-shadow:0 0 0 6px transparent}}

.marquee{margin-top:clamp(40px,6vw,84px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:14px 0}
.marquee-track{display:flex;gap:44px;white-space:nowrap;width:max-content;animation:marq 46s linear infinite}
.marquee-track span{font-family:var(--mono);font-size:.66rem;letter-spacing:.24em;color:var(--dim)}
.marquee-track span:nth-child(3n+1){color:var(--steel-1)}
@keyframes marq{to{transform:translateX(-50%)}}

/* ═══════════ 2 · WHAT ═══════════ */
.chain{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.chain span{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;color:var(--dim);border:1px solid var(--line);padding:8px 14px;border-radius:2px}
.chain span.on{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.chain i{width:22px;height:1px;background:var(--line-2);position:relative}
.chain i::after{content:"";position:absolute;right:-1px;top:-3px;border-left:5px solid var(--line-2);border-top:3.5px solid transparent;border-bottom:3.5px solid transparent}

.what-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,3vw,48px);align-items:start}
.diagram-card{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(18px,2.4vw,28px)}
.what-svg{width:100%;height:auto}
.pipe-wall{fill:#39434F}
.stream{fill:none;stroke:var(--accent);stroke-width:1.2;stroke-opacity:.5;stroke-dasharray:5 7;animation:dash 3.6s linear infinite}
@keyframes dash{to{stroke-dashoffset:-48}}
.bore-edge{fill:#B9C5D1}
.bore-mark{stroke:var(--accent);stroke-width:1.6}
.tap{stroke:var(--steel-1);stroke-width:2}
.tap-dot{fill:var(--panel);stroke:var(--accent);stroke-width:1.6}
.tap-link{stroke:var(--accent);stroke-width:1;stroke-dasharray:3 4}
.dim{stroke:var(--steel-1);stroke-width:1;fill:none}
.dim.accent{stroke:var(--accent)}
.svg-lab{font-family:var(--mono);font-size:13px;fill:var(--steel-2);letter-spacing:.06em}
.svg-lab.accent{fill:var(--accent)}
.svg-micro{font-family:var(--mono);font-size:9px;fill:var(--dim);letter-spacing:.18em}
.hot{cursor:pointer}
.hot rect,.hot path,.hot circle,.hot line{transition:opacity .25s,filter .25s}
.hot:hover,.hot:focus{outline:none}
.hot.is-on{filter:drop-shadow(0 0 10px var(--accent-line))}
.hot.is-on .pipe-wall{fill:#5A6875}

.tip-panel{margin-top:18px;border-top:1px solid var(--line);padding-top:16px;min-height:96px}
.tip-title{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;color:var(--accent);margin:0 0 8px}
.tip-body{color:var(--muted);font-size:.92rem;max-width:60ch}

.what-side{display:flex;flex-direction:column;gap:22px}
.callout{border:1px solid var(--line);border-left:2px solid var(--accent);background:var(--panel);padding:clamp(20px,2.4vw,30px);border-radius:var(--r)}
.callout h3{font-size:clamp(1.35rem,2.2vw,1.9rem);line-height:1.12;margin-bottom:14px}
.callout p{color:var(--muted);font-size:.94rem}
.factor-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.factor-list li{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.fk{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);padding-top:3px}
.fv{color:var(--muted);font-size:.9rem}
.fv em{color:var(--text)}

/* ═══════════ 3 · HOW ═══════════ */
.how-stage{display:grid;gap:clamp(20px,2.6vw,34px)}
.how-pipe{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
#pipeCanvas{width:100%;height:clamp(220px,30vw,320px)}
.zone-tags{position:absolute;inset:auto 0 0 0;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.zt{padding:12px 16px;font-size:.78rem;color:var(--muted);border-right:1px solid var(--line);background:rgba(7,9,12,.7);backdrop-filter:blur(6px)}
.zt:last-child{border-right:0}
.zt b{display:block;font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;color:var(--accent);margin-bottom:4px}
.zt.b b{color:var(--text)}
.zt.c b{color:var(--amber)}
.how-graph{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(18px,2.4vw,28px)}
.how-graph svg{width:100%;height:auto}
.g-axis line{stroke:var(--line-2);stroke-width:1}
.g-axis line.axis-plate{stroke:var(--steel-1);stroke-dasharray:4 5}
.curve{fill:none;stroke-width:2;stroke-linecap:round;stroke-dasharray:var(--len);stroke-dashoffset:var(--len);transition:stroke-dashoffset 1.8s var(--ease-tech)}
.how-graph.in .curve{stroke-dashoffset:0}
.curve.p{stroke:var(--accent)}
.curve.v{stroke:var(--amber)}
.curve-dot{opacity:0;transition:opacity .6s .9s}
.how-graph.in .curve-dot{opacity:1}
.curve-dot.p{fill:var(--accent)}
.curve-dot.v{fill:var(--amber)}
.dp-line{stroke:var(--accent);stroke-width:1;stroke-dasharray:3 3}
.sw.p{fill:var(--accent)}.sw.v{fill:var(--amber)}

.eq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:34px}
.eq-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.4vw,30px)}
.equation{font-family:var(--mono);font-size:1.45rem;display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--text);padding:18px 0}
.equation.small{font-size:1.12rem}
.eq-lhs{color:var(--accent);font-weight:600}
.eq-op{color:var(--dim)}
.eq-frac{display:inline-flex;flex-direction:column;align-items:center;line-height:1.25;font-size:.8em}
.eq-frac .num{padding:0 6px}
.eq-frac .den{padding:0 6px;border-top:1px solid var(--line-2)}
.eq-root{display:inline-flex;align-items:center;gap:2px}
.eq-radic{font-size:1.5em;color:var(--dim)}
.eq-root .eq-frac,.eq-root .eq-term{border-top:1px solid var(--line-2);padding-top:2px}
.eq-note{color:var(--muted);font-size:.88rem;border-top:1px solid var(--line);padding-top:14px}
.eq-note em{color:var(--accent);font-family:var(--mono);font-size:.9em}

/* ═══════════ 4 · CALCULATOR ═══════════ */
.calc{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(20px,2.6vw,36px);align-items:start}
.calc-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.6vw,32px)}
.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:5px}
.mode-btn{
  border:0;background:none;padding:11px;border-radius:2px;cursor:pointer;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);transition:.25s var(--ease)
}
.mode-btn.is-on{background:var(--accent);color:#03161C}
.mode-hint{font-size:.82rem;color:var(--dim);margin:12px 0 4px}

.calc-form fieldset{border:0;border-top:1px solid var(--line);margin:26px 0 0;padding:22px 0 0}
.calc-form legend{
  font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);padding:0 10px 0 0
}
.field{margin-bottom:18px;min-width:0}
.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.lab-val{float:right;color:var(--accent)}
.input-row{display:flex;border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg);transition:border-color .25s,box-shadow .25s}
.input-row:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.input-row input{flex:1;min-width:0;background:none;border:0;padding:13px 14px;font-family:var(--mono);font-size:.95rem}
.input-row input:focus{outline:none}
.input-row select,.unit-static{
  border:0;border-left:1px solid var(--line);background:var(--panel-2);
  font-family:var(--mono);font-size:.74rem;color:var(--muted);padding:0 12px;
  display:flex;align-items:center;cursor:pointer;border-radius:0 var(--r) var(--r) 0
}
.unit-static{cursor:default;min-width:64px;justify-content:center}
.field > select{
  width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r);
  padding:13px 14px;font-family:var(--mono);font-size:.85rem;cursor:pointer;
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--dim) 50%),linear-gradient(135deg,var(--dim) 50%,transparent 50%);
  background-position:calc(100% - 18px) 55%,calc(100% - 12px) 55%;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat
}
.field > select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
option{background:var(--panel)}
.err{color:var(--amber);font-family:var(--mono);font-size:.66rem;margin:6px 0 0;min-height:0}
.input-row.is-bad{border-color:var(--amber)}

.range{
  -webkit-appearance:none;appearance:none;width:100%;height:2px;background:var(--line-2);
  border-radius:2px;outline:none;margin:8px 0
}
.range::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);
  border:4px solid var(--bg);box-shadow:0 0 0 1px var(--accent),0 0 18px var(--accent-line);cursor:grab;transition:transform .18s
}
.range::-webkit-slider-thumb:active{transform:scale(1.18);cursor:grabbing}
.range::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--accent);border:3px solid var(--bg);box-shadow:0 0 0 1px var(--accent);cursor:grab}
.range-scale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.6rem;color:var(--dim);letter-spacing:.1em;margin:4px 0 0}
.form-actions{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}

.calc-out{display:flex;flex-direction:column;gap:clamp(16px,2vw,24px)}
.plate-view{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(18px,2.4vw,26px)}
.plate-view svg{width:100%;height:auto}
.scale-note{float:right;color:var(--steel-1)}
#boreCircle,#segPath,#dimLine,#odCircle,#pipeCircle{transition:all .55s var(--ease-tech)}
#dimD,#dimd{transition:opacity .3s}
.beta-strip{
  display:flex;align-items:baseline;justify-content:space-between;margin-top:14px;padding-top:14px;
  border-top:1px solid var(--line);font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;color:var(--dim)
}
.beta-strip b{font-family:var(--display);font-size:2rem;color:var(--accent);letter-spacing:-.02em}

.results{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(18px,2.4vw,28px)}
.res-primary{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px}
.res-hero{background:var(--bg);border:1px solid var(--line);border-left:2px solid var(--accent);border-radius:var(--r);padding:16px 18px}
.res-k{font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;color:var(--dim);margin-bottom:8px}
.res-v{font-family:var(--display);font-size:clamp(1.6rem,3vw,2.3rem);font-weight:600;letter-spacing:-.03em;line-height:1}
.res-v em{font-size:.42em;color:var(--muted);font-weight:400;margin-left:4px}
.res-sub{font-family:var(--mono);font-size:.72rem;color:var(--dim);margin-top:6px}

.res-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0 22px;margin:0}
.res-grid > div{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.res-grid dt{font-size:.82rem;color:var(--muted)}
.res-grid dd{margin:0;font-family:var(--mono);font-size:.82rem;color:var(--text);text-align:right;white-space:nowrap}

.status-block{margin-top:24px}
.status-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.status-list li{
  display:flex;gap:11px;align-items:flex-start;font-size:.84rem;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--r);padding:10px 13px;background:var(--bg)
}
.status-list li::before{
  content:"";width:7px;height:7px;border-radius:50%;flex:none;margin-top:7px;background:var(--dim)
}
.status-list li.ok::before{background:var(--accent);box-shadow:0 0 8px var(--accent-line)}
.status-list li.warn::before{background:var(--amber);box-shadow:0 0 8px var(--amber-soft)}
.status-list li.warn{border-color:rgba(255,180,84,.28)}
.status-list b{color:var(--text);font-weight:500}

.out-actions{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.disclaimer{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  font-size:.78rem;color:var(--dim);line-height:1.7
}
.disclaimer b{color:var(--amber);font-weight:500}

/* ═══════════ 5 · TYPES ═══════════ */
.type-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.type-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.4vw,30px);
  transition:border-color .35s var(--ease),transform .5s var(--ease),background .35s;cursor:default
}
.type-card:hover,.type-card:focus{border-color:var(--accent-line);transform:translateY(-4px);background:var(--panel-2);outline:none}
.type-art{aspect-ratio:1;max-width:210px;margin:0 auto 22px}
.type-art svg{width:100%;height:auto}
.tc-plate{fill:#1A212A;stroke:var(--steel-1);stroke-width:1.2}
.tc-pipe{fill:none;stroke:var(--dim);stroke-width:1;stroke-dasharray:5 5}
.tc-bore{fill:#05080B;stroke:var(--accent);stroke-width:2;transition:all .5s var(--ease-tech)}
.tc-axis{stroke:var(--line-2);stroke-width:.6;stroke-dasharray:8 4 2 4}
.tc-drain{stroke:var(--amber);stroke-width:1;stroke-dasharray:4 4;opacity:0;transition:opacity .4s}
.tc-flow circle,.tc-flow path{fill:none;stroke:var(--accent);stroke-width:1;stroke-opacity:0;transition:stroke-opacity .4s}
.type-card:hover .tc-flow circle,.type-card:hover .tc-flow path,
.type-card:focus .tc-flow circle,.type-card:focus .tc-flow path{stroke-opacity:.45;animation:ripple 2.4s ease-out infinite}
.type-card:hover .tc-drain,.type-card:focus .tc-drain{opacity:1}
@keyframes ripple{0%{transform:scale(.6);stroke-opacity:.6}100%{transform:scale(1.35);stroke-opacity:0}}
.tc-flow{transform-box:fill-box;transform-origin:center}
.type-card:hover .tc-bore,.type-card:focus .tc-bore{stroke-width:2.6;filter:drop-shadow(0 0 10px var(--accent-line))}
.type-card:hover .tc-bore.ecc{transform:translateY(6px)}
.tc-bore.seg{fill:#05080B}
.type-card h3{font-size:1.5rem;margin-bottom:10px}
.type-desc{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.type-best{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:7px}
.type-best li{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--steel-2);border:1px solid var(--line);padding:6px 10px;border-radius:2px}
.type-hover{
  font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;color:var(--dim);margin-top:16px;
  opacity:0;transform:translateY(-4px);transition:.35s var(--ease)
}
.type-card:hover .type-hover,.type-card:focus .type-hover{opacity:1;transform:none;color:var(--accent)}

/* ═══════════ 6 · MANUFACTURING ═══════════ */
.mfg{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:clamp(28px,4vw,64px);align-items:start}
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:23px;top:8px;bottom:8px;width:1px;background:var(--line)}
.timeline::after{content:"";position:absolute;left:23px;top:8px;width:1px;height:var(--tl,0%);background:var(--accent);box-shadow:0 0 12px var(--accent-line);transition:height .3s linear}
.tl-step{display:grid;grid-template-columns:48px 1fr;gap:20px;padding:16px 0;opacity:.35;transition:opacity .5s var(--ease)}
.tl-step.on{opacity:1}
.tl-num{
  font-family:var(--mono);font-size:.72rem;color:var(--dim);background:var(--bg);
  width:47px;height:32px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:2px;position:relative;z-index:1;transition:.4s var(--ease)
}
.tl-step.on .tl-num{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.tl-step h3{margin-bottom:6px}
.tl-step p{color:var(--muted);font-size:.88rem}

.mfg-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px}
.explode{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.explode svg{width:100%;height:auto}
.ex-layer{transition:transform 1s var(--ease-tech),opacity .8s}
.ex-disc{fill:#232B35;stroke:var(--steel-1);stroke-width:1.2}
.ex-disc.mid{fill:#2C3641}
.ex-hole{fill:var(--bg);stroke:var(--accent);stroke-width:1.6}
.ex-tab{fill:#2C3641;stroke:var(--steel-1);stroke-width:1}
.spec-list{margin:0;border-top:1px solid var(--line)}
.spec-list > div{display:grid;grid-template-columns:150px 1fr;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.spec-list dt{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.spec-list dd{margin:0;color:var(--muted);font-size:.86rem}

.compare{margin-top:clamp(48px,6vw,88px);background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.6vw,32px)}
.compare-head{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:24px}
.compare-head h3{font-size:clamp(1.2rem,2vw,1.6rem)}
.toggle{display:flex;border:1px solid var(--line);border-radius:var(--r);padding:4px;gap:4px;background:var(--bg)}
.tg-btn{
  border:0;background:none;color:var(--muted);cursor:pointer;padding:9px 16px;border-radius:2px;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;transition:.25s
}
.tg-btn.is-on{background:var(--accent);color:#03161C}
.compare-body{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:26px;align-items:center}
#compareSvg{width:100%;height:auto}
.cmp-pipe{stroke:#39434F;stroke-width:12}
.cmp-metal{fill:#8E9BA9;transition:d .6s var(--ease-tech)}
.cmp-stream{fill:none;stroke:var(--accent);stroke-width:1.6;stroke-opacity:.65;stroke-dasharray:6 6;animation:dash 3s linear infinite;transition:stroke .4s}
.compare.is-bad .cmp-stream{stroke:var(--amber)}
.compare-notes{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.compare-notes li{font-size:.86rem;color:var(--muted);display:flex;gap:10px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.compare-notes li::before{content:"—";color:var(--accent);flex:none}
.compare.is-bad .compare-notes li::before{content:"×";color:var(--amber)}

/* ═══════════ 7 · QUALITY ═══════════ */
.quality{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,3vw,48px);align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,40px)}
.q-visual svg{width:100%;height:auto;max-width:420px;margin:0 auto}
.q-plate{fill:#1A212A;stroke:var(--steel-1);stroke-width:1.2}
.q-pipe{fill:none;stroke:var(--dim);stroke-width:1;stroke-dasharray:6 6}
.q-band{fill:var(--amber);fill-opacity:.16;stroke:var(--amber);stroke-width:1;stroke-dasharray:3 4;transition:r .35s var(--ease)}
.q-nominal{fill:none;stroke:var(--dim);stroke-width:1;stroke-dasharray:4 4}
.q-actual{fill:#05080B;stroke:var(--accent);stroke-width:2.4;transition:r .35s var(--ease),stroke .35s}
.q-axis{stroke:var(--line-2);stroke-width:.6;stroke-dasharray:10 5 2 5}
.q-label{font-size:.72rem}
.q-readout{display:grid;gap:0;margin:22px 0 18px;border-top:1px solid var(--line)}
.q-readout > div{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.q-k{font-size:.86rem;color:var(--muted)}
.q-v{font-family:var(--mono);font-size:1rem;color:var(--accent)}
.q-bar{height:3px;background:var(--line);border-radius:2px;overflow:hidden}
.q-bar span{display:block;height:100%;width:50%;background:var(--accent);transition:width .35s var(--ease),background .35s}
.q-note{color:var(--muted);font-size:.88rem;margin-top:14px;min-height:52px}
.q-factors{list-style:none;margin:22px 0 0;padding:18px 0 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px}
.q-factors li{font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel-2);border:1px solid var(--line);padding:6px 10px;border-radius:2px}

/* ═══════════ 8 · WHY ═══════════ */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.why-card{background:var(--bg-2);padding:clamp(24px,2.8vw,36px);transition:background .4s var(--ease);position:relative}
.why-card::after{content:"";position:absolute;left:0;top:0;width:2px;height:0;background:var(--accent);transition:height .5s var(--ease)}
.why-card:hover{background:var(--panel-2)}
.why-card:hover::after{height:100%}
.why-ico{width:38px;height:38px;margin-bottom:20px;fill:none;stroke:var(--steel-1);stroke-width:1.4;stroke-linecap:round;transition:stroke .4s}
.why-ico .i-accent{stroke:var(--accent);transition:stroke-width .4s}
.why-card:hover .why-ico{stroke:var(--steel-2)}
.why-card:hover .why-ico .i-accent{stroke-width:2}
.why-card h3{font-size:1.22rem;margin-bottom:10px}
.why-card p{color:var(--muted);font-size:.9rem}

/* ═══════════ 9 · APPLICATIONS ═══════════ */
.app-signal{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(18px,2.4vw,26px);margin-bottom:26px;overflow:hidden}
.signal-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;position:relative}
.sig{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--muted);border:1px solid var(--line);padding:10px 14px;border-radius:2px;background:var(--bg)}
.sig.accent{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.sig-arrow{width:26px;height:1px;background:var(--line-2);position:relative;flex:none}
.sig-arrow::after{content:"";position:absolute;right:0;top:-3px;border-left:5px solid var(--line-2);border-top:3.5px solid transparent;border-bottom:3.5px solid transparent}
.sig-pulse{position:absolute;left:0;top:50%;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent);animation:sigrun 4.5s var(--ease-tech) infinite}
@keyframes sigrun{0%{left:0;opacity:0}8%{opacity:1}92%{opacity:1}100%{left:100%;opacity:0}}

.app-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}
.app-card{
  display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r);padding:18px;transition:border-color .35s,transform .4s var(--ease),background .35s
}
.app-card:hover{border-color:var(--accent-line);transform:translateY(-3px);background:var(--panel-2)}
.app-card svg{width:34px;height:34px;flex:none;fill:none;stroke:var(--steel-1);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;transition:stroke .35s}
.app-card svg .i-accent{stroke:var(--accent)}
.app-card:hover svg{stroke:var(--steel-2)}
.app-card span{font-size:.92rem}

/* ═══════════ 10 · SYSTEM ═══════════ */
.sysflow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;position:relative}
.sys-node{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:border-color .4s,background .4s}
.sys-node:hover{border-color:var(--accent-line);background:var(--panel-2)}
.sys-i{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;color:var(--muted);margin-bottom:10px}
.sys-i.on{color:var(--accent)}
.sys-node p{color:var(--dim);font-size:.82rem;line-height:1.6}
.sys-node.lit{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-line),0 10px 40px -20px var(--accent)}
.sys-rail{display:none}

/* ═══════════ 11 · DOCS ═══════════ */
.doc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.doc-card{
  text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(20px,2.4vw,28px);cursor:pointer;position:relative;overflow:hidden;
  transition:border-color .35s,transform .4s var(--ease),background .35s
}
.doc-card::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(-45deg,transparent 0 12px,rgba(53,224,255,.04) 12px 13px);
  opacity:0;transition:opacity .4s
}
.doc-card:hover{border-color:var(--accent-line);transform:translateY(-3px);background:var(--panel-2)}
.doc-card:hover::before{opacity:1}
.doc-code{font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;color:var(--dim);display:block;margin-bottom:14px}
.doc-card h3{font-size:1.12rem;margin-bottom:8px}
.doc-card p{color:var(--muted);font-size:.86rem;margin-bottom:18px}
.doc-act{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:8px}
.doc-act i{font-style:normal;transition:transform .3s var(--ease)}
.doc-card:hover .doc-act i{transform:translateY(3px)}

/* ═══════════ 12 · CTA ═══════════ */
.cta-band{
  padding:clamp(80px,10vw,150px) 0;border-top:1px solid var(--line);
  background:
    radial-gradient(80% 120% at 50% 0%,rgba(53,224,255,.09),transparent 60%),
    linear-gradient(180deg,#05070A,var(--bg));
  text-align:center;position:relative;overflow:hidden
}
.cta-band::after{
  content:"";position:absolute;left:50%;bottom:-40%;width:min(900px,120%);aspect-ratio:1;transform:translateX(-50%);
  border:1px solid rgba(53,224,255,.10);border-radius:50%;pointer-events:none
}
.cta-inner .eyebrow{justify-content:center}
.cta-band h2{max-width:20ch;margin:0 auto}
.cta-text{color:var(--muted);margin-top:24px;font-size:clamp(1rem,1.4vw,1.15rem)}
.cta-actions{display:flex;gap:12px;justify-content:center;margin-top:40px;flex-wrap:wrap}

/* ═══════════ 13 · CONTACT ═══════════ */
.contact-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(28px,4vw,60px);align-items:start}
.contact-meta{margin:38px 0 0;border-top:1px solid var(--line)}
.contact-meta > div{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line)}
.contact-meta dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.contact-meta dd{margin:0;font-family:var(--mono);font-size:.82rem;color:var(--steel-2)}
.contact-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.8vw,34px)}
.cf-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.cf-grid .span2{grid-column:1/-1}
.contact-form input,.contact-form textarea{
  width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r);
  padding:13px 14px;font-size:.92rem;font-family:var(--body);transition:border-color .25s,box-shadow .25s
}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--dim);font-size:.86rem}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.contact-form input.is-bad,.contact-form textarea.is-bad{border-color:var(--amber)}
.contact-form textarea{resize:vertical;min-height:110px}
.form-status{margin-top:16px;font-family:var(--mono);font-size:.74rem;color:var(--accent);min-height:20px}
.form-status.bad{color:var(--amber)}

/* ═══════════ FOOTER ═══════════ */
.footer{border-top:1px solid var(--line);padding:clamp(48px,6vw,80px) 0 30px;background:#05070A}
.footer-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(28px,4vw,60px)}
.f-brand p{color:var(--muted);font-size:.9rem;margin-top:12px}
.f-brand .f-line{color:var(--dim);font-size:.84rem;max-width:38ch}
.f-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.f-nav h3{font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin-bottom:16px;font-weight:400}
.f-nav a{display:block;font-size:.88rem;color:var(--muted);padding:5px 0;transition:color .25s,transform .25s var(--ease)}
.f-nav a:hover{color:var(--accent);transform:translateX(3px)}
.footer-base{margin-top:clamp(36px,5vw,60px);padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-base p{font-family:var(--mono);font-size:.66rem;color:var(--dim);letter-spacing:.05em}
.f-legal{max-width:60ch;text-align:right}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width:1180px){
  .nav-links{display:none;order:3}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-links.is-open{
    display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;
    background:rgba(7,9,12,.97);backdrop-filter:blur(16px);border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);padding:16px var(--pad) 24px;gap:0;margin:0
  }
  .nav-links.is-open a{padding:14px 0;border-bottom:1px solid var(--line);font-size:.82rem}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;min-height:0;padding-top:8px}
  .hero-visual{order:2}
  .what-grid,.calc,.mfg,.contact-grid,.quality,.compare-body,.footer-inner{grid-template-columns:1fr}
  .mfg-side{position:static}
  .res-primary{grid-template-columns:1fr}
  .rig-frame{aspect-ratio:4/3}
  .f-legal{text-align:left}
}
@media (max-width:680px){
  body{font-size:15px}
  .hero-specs{gap:20px}
  .hero-specs > div{min-width:44%}
  .field-pair,.cf-grid{grid-template-columns:1fr}
  .zone-tags{grid-template-columns:1fr;position:static;backdrop-filter:none}
  .zt{border-right:0;border-bottom:1px solid var(--line)}
  .factor-list li{grid-template-columns:1fr;gap:4px}
  .spec-list > div{grid-template-columns:1fr;gap:4px}
  .rlab{font-size:.5rem;padding:3px 6px}
  .l-D,.l-b{display:none}
  .btn{width:100%}
  .hero-actions .btn,.out-actions .btn,.cta-actions .btn,.form-actions .btn{flex:1 1 100%}
  .marquee-track{animation-duration:30s}
  .f-nav{grid-template-columns:1fr 1fr}
  .res-grid dd{font-size:.78rem}
  .compare-head{flex-direction:column;align-items:flex-start}
  .toggle{width:100%}
  .tg-btn{flex:1}
}

/* ═══════════ REDUCED MOTION ═══════════ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important
  }
  .reveal{opacity:1;transform:none}
  .curve{stroke-dashoffset:0}
  .rlab{opacity:1}
  .tl-step{opacity:1}
}

/* ═══════════ PRINT (spec sheet window uses its own styles) ═══════════ */
@media print{
  .nav,.marquee,.cta-band,.footer,.grid-field,.scroll-rail{display:none}
  body{background:#fff;color:#000}
}

/* ═══════════ BLOG (archive / single) ═══════════ */
.blog-head{max-width:760px;margin-bottom:clamp(40px,5vw,72px)}
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.post-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,2.4vw,28px);transition:border-color .35s var(--ease),transform .4s var(--ease),background .35s}
.post-card:hover{border-color:var(--accent-line);transform:translateY(-3px);background:var(--panel-2)}
.post-card .card-label{margin-bottom:16px}
.post-card h2{font-size:1.3rem;margin-bottom:10px}
.post-card h2 a{transition:color .25s}
.post-card:hover h2 a{color:var(--accent)}
.post-card p{color:var(--muted);font-size:.9rem}
.post-card .post-more{display:inline-block;margin-top:16px;font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.pagination{display:flex;gap:10px;justify-content:center;margin-top:56px;flex-wrap:wrap}
.pagination a,.pagination span{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;border:1px solid var(--line);border-radius:var(--r);padding:10px 16px;color:var(--muted)}
.pagination a:hover{border-color:var(--accent-line);color:var(--accent)}
.pagination .current{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}

.single-post{max-width:74ch;margin:0 auto}
.post-meta{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
.post-content{color:var(--text);font-size:1.02rem;line-height:1.8}
.post-content h2{font-size:1.7rem;margin:44px 0 18px}
.post-content h3{font-size:1.25rem;margin:32px 0 14px}
.post-content p{margin:0 0 20px;color:var(--muted)}
.post-content ul,.post-content ol{color:var(--muted);margin:0 0 20px;padding-left:22px}
.post-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.post-content img{border-radius:var(--r);margin:24px 0}
.post-content blockquote{border-left:2px solid var(--accent);margin:24px 0;padding:4px 0 4px 20px;color:var(--steel-2);font-style:italic}
.post-content pre{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px;overflow-x:auto;font-family:var(--mono);font-size:.84rem}
.post-cats{display:flex;gap:8px;flex-wrap:wrap;margin-top:36px;padding-top:20px;border-top:1px solid var(--line)}
.post-cats a{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);padding:6px 10px;border-radius:2px}
.post-cats a:hover{color:var(--accent);border-color:var(--accent-line)}