/* ===========================================================
   George Motor Design — stylesheet
   Design language: precision dyno / engineering drawing
   =========================================================== */

:root{
  --paper:#ffffff;
  --mist:#f1f6f2;
  --fog:#e7efe9;
  --ink:#13211b;
  --muted:#566860;
  --pine:#0e3d2c;
  --emerald:#17794e;
  --signal:#0fb968;
  --signal-soft:#d6f3e4;
  --line:#d7e3db;
  --line-soft:#e6eee9;

  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);

  --f-display:"Space Grotesk",-apple-system,BlinkMacSystemFont,sans-serif;
  --f-body:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --shadow-sm:0 1px 2px rgba(14,61,44,.05),0 6px 20px -12px rgba(14,61,44,.18);
  --shadow-md:0 2px 6px rgba(14,61,44,.06),0 24px 60px -28px rgba(14,61,44,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,9vw,128px);position:relative}
.section--mist{background:var(--mist)}
.section--ink{background:var(--pine);color:#eaf3ee}

.eyebrow{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--emerald);
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:22px;
}
.eyebrow::before{
  content:"";width:26px;height:1px;background:var(--emerald);opacity:.6;
}
.section--ink .eyebrow{color:var(--signal)}
.section--ink .eyebrow::before{background:var(--signal)}

h1,h2,h3{font-family:var(--f-display);font-weight:600;line-height:1.04;letter-spacing:-.02em}
h2{font-size:clamp(30px,4.4vw,52px)}
h3{font-size:clamp(20px,2.2vw,25px);letter-spacing:-.01em}
.lede{font-size:clamp(18px,2vw,21px);color:var(--muted);max-width:60ch}
.section--ink .lede{color:#bcd6c9}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.site-head__row{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--f-display);font-weight:600;letter-spacing:-.01em;font-size:16.5px}
.brand__mark{width:26px;height:26px;flex:0 0 auto}
.brand small{display:block;font-family:var(--f-mono);font-weight:400;font-size:9.5px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase;margin-top:2px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:15px;color:var(--ink);opacity:.78;transition:opacity .2s}
.nav a:hover{opacity:1}
.nav__cta{
  font-family:var(--f-mono);font-size:13px;letter-spacing:.04em;
  background:var(--pine);color:#fff !important;opacity:1 !important;
  padding:9px 16px;border-radius:7px;display:inline-flex;align-items:center;gap:8px;
  transition:transform .2s var(--ease),background .2s;
}
.nav__cta:hover{background:var(--emerald);transform:translateY(-1px)}
.nav__burger{display:none;background:none;border:0;cursor:pointer;padding:8px;width:42px;height:42px}
.nav__burger span{display:block;width:22px;height:2px;background:var(--ink);margin:4px auto;transition:.25s var(--ease)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-mono);font-size:14px;letter-spacing:.02em;
  padding:14px 22px;border-radius:9px;border:1px solid transparent;
  cursor:pointer;transition:transform .2s var(--ease),background .2s,border-color .2s,color .2s;
  white-space:nowrap;
}
.btn--primary{background:var(--pine);color:#fff}
.btn--primary:hover{background:var(--emerald);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--pine);transform:translateY(-2px)}
.btn--wa{background:#1faf5a;color:#fff}
.btn--wa:hover{background:#168a47;transform:translateY(-2px)}
.section--ink .btn--ghost{color:#eaf3ee;border-color:rgba(255,255,255,.28)}
.section--ink .btn--ghost:hover{border-color:#fff}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:
  linear-gradient(180deg,#ffffff 0%,#f5faf7 100%);
  border-bottom:1px solid var(--line-soft);
}
/* dark hero variant with 3D motor */
.hero--dark{
  background:
    radial-gradient(120% 130% at 78% 18%, #14543b 0%, #0c3526 42%, #07211a 100%);
  border-bottom:1px solid #0a2c20;
  color:#eaf3ee;
}
.hero--dark .eyebrow{color:#52e3a0}
.hero--dark .eyebrow::before{background:#52e3a0;opacity:.8}
.hero--dark h1{color:#ffffff}
.hero--dark h1 em{color:#3fe39a}
.hero--dark .hero__sub{color:#bcd6c9}
.hero--dark .hero__meta{color:#8fb6a4}
.hero--dark .hero__meta b{color:#eaf3ee}
.hero--dark .btn--ghost{color:#eaf3ee;border-color:rgba(255,255,255,.26)}
.hero--dark .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.05)}
.hero__glow{
  position:absolute;right:6%;top:34%;width:46vw;max-width:680px;height:46vw;max-height:680px;
  transform:translateY(-50%);pointer-events:none;
  background:radial-gradient(circle, rgba(63,227,154,.20) 0%, rgba(63,227,154,0) 62%);
  filter:blur(8px);z-index:1;
}
.hero--dark .hero__grid{
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
}

/* 3D motor canvas */
.hero3d-wrap{position:relative;z-index:2}
.hero3d{
  width:100%;height:clamp(340px,42vw,520px);
  touch-action:none;
}
.hero3d-hint{
  position:absolute;bottom:6px;left:50%;transform:translateX(-50%);
  font-family:var(--f-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:#6fae93;opacity:.7;pointer-events:none;
}

.hero__grid{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:38px 38px;
  mask-image:radial-gradient(120% 90% at 70% 30%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 70% 30%,#000 30%,transparent 78%);
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding-block:clamp(56px,9vw,108px);
}
.hero h1{font-size:clamp(38px,6vw,72px);margin-bottom:24px}
.hero h1 em{font-style:normal;color:var(--emerald)}
.hero__sub{font-size:clamp(17px,1.7vw,20px);color:var(--muted);max-width:48ch;margin-bottom:34px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero__meta{display:flex;gap:28px;flex-wrap:wrap;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;color:var(--muted)}
.hero__meta b{color:var(--ink);font-weight:500;display:block;font-size:13px}
.hero__meta span{display:block}

/* dyno panel */
.dyno{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-md);padding:22px 22px 16px;
}
.dyno__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.dyno__title{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.dyno__live{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--emerald);display:flex;align-items:center;gap:7px}
.dyno__live i{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 0 rgba(15,185,104,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(15,185,104,.45)}70%{box-shadow:0 0 0 8px rgba(15,185,104,0)}100%{box-shadow:0 0 0 0 rgba(15,185,104,0)}}
.dyno__legend{display:flex;gap:18px;margin-top:8px;font-family:var(--f-mono);font-size:11px;color:var(--muted)}
.dyno__legend i{display:inline-block;width:14px;height:2px;vertical-align:middle;margin-right:6px}

/* ---------- band / positioning ---------- */
.band{background:var(--pine);color:#eaf3ee}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-block:34px;flex-wrap:wrap}
.band p{font-family:var(--f-display);font-size:clamp(20px,2.6vw,28px);font-weight:500;letter-spacing:-.01em;max-width:30ch}
.band p em{font-style:normal;color:var(--signal)}
.band small{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;color:#a8c8b8;max-width:34ch;line-height:1.7}

/* ---------- capability cards ---------- */
.head-2col{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;margin-bottom:54px}
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 24px;
  position:relative;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c4d8cc}
.cap__no{font-family:var(--f-mono);font-size:12px;color:var(--emerald);letter-spacing:.12em;margin-bottom:18px;display:block}
.cap h3{margin-bottom:12px}
.cap p{color:var(--muted);font-size:16px;margin-bottom:16px}
.cap ul{list-style:none;display:flex;flex-wrap:wrap;gap:7px}
.cap li{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.03em;color:var(--ink);background:var(--mist);border:1px solid var(--line-soft);padding:5px 10px;border-radius:6px}
.cap::after{content:"";position:absolute;left:0;top:0;height:100%;width:3px;background:var(--signal);transform:scaleY(0);transform-origin:top;transition:transform .4s var(--ease)}
.cap:hover::after{transform:scaleY(1)}

/* ---------- capability icons ---------- */
.cap__icon{width:46px;height:46px;border-radius:11px;background:var(--mist);border:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--emerald);transition:background .35s var(--ease),color .35s}
.cap:hover .cap__icon{background:var(--pine);color:#fff}
.cap__head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.cap__head .cap__icon{margin-bottom:0}
.cap__head h3{margin-bottom:0}
.cap__no{font-family:var(--f-mono);font-size:12px;color:var(--emerald);letter-spacing:.12em;position:absolute;top:24px;right:26px}

/* ---------- simulation / FEA section ---------- */
.sim{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center}
.fea-panel{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-md);padding:20px;position:relative;overflow:hidden}
.fea-panel__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.fea-panel__title{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.fea-panel__tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--emerald);display:flex;align-items:center;gap:7px}
.fea-svg{width:100%;height:auto;display:block;border-radius:10px;background:radial-gradient(circle at 50% 45%,#f3f9f5,#eaf2ed)}
.flux-line{fill:none;stroke-linecap:round;stroke-dasharray:5 9;animation:flux 3.4s linear infinite}
@keyframes flux{to{stroke-dashoffset:-140}}
.rotor-spin{transform-origin:200px 200px;animation:rspin 14s linear infinite}
@keyframes rspin{to{transform:rotate(360deg)}}
.fea-colorbar{display:flex;align-items:center;gap:10px;margin-top:12px;font-family:var(--f-mono);font-size:10.5px;color:var(--muted);letter-spacing:.04em}
.fea-colorbar .bar{flex:1;height:7px;border-radius:4px;background:linear-gradient(90deg,#eaf2ed,#9fe0bf,#0fb968,#17794e,#0e3d2c)}
.sim-points{list-style:none;display:grid;gap:16px;margin-top:26px}
.sim-points li{display:flex;gap:13px;align-items:flex-start}
.sim-points svg{flex:0 0 auto;margin-top:2px;color:var(--emerald)}
.sim-points b{display:block;font-weight:600;margin-bottom:2px}
.sim-points span{color:var(--muted);font-size:15.5px}

/* lottie holders */
.lottie-accent{width:54px;height:54px;flex:0 0 auto}
.lottie-sm{width:40px;height:40px;flex:0 0 auto}
.eyebrow-row{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.eyebrow-row .eyebrow{margin-bottom:0}

/* founder credential */
.cred{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18)}
.cred__badge{width:42px;height:42px;border-radius:9px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;font-family:var(--f-display);font-weight:700;font-size:13px;color:#fff;letter-spacing:.02em;flex:0 0 auto}
.cred__txt{font-family:var(--f-mono);font-size:12px;letter-spacing:.03em;color:#bcd6c9;line-height:1.55}
.cred__txt b{color:#fff;font-weight:500;display:block}

/* ---------- exploded view ---------- */
.explode-section{
  background:radial-gradient(125% 100% at 50% 0%, #114e36 0%, #0a2c20 55%, #06190f 100%);
  color:#eaf3ee;padding-top:clamp(64px,9vw,120px);padding-bottom:0;
}
.explode-intro{text-align:center;max-width:680px;margin-inline:auto}
.explode-intro .eyebrow{color:#52e3a0;justify-content:center}
.explode-intro .eyebrow::before{background:#52e3a0;opacity:.8}
.explode-intro h2{color:#fff;margin-bottom:16px}
.explode-intro .lede{color:#bcd6c9;margin-inline:auto}
.explode-stage{position:relative;height:220vh}
.explode-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
.explode-canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:pan-y}
.explode-labels{position:absolute;inset:0;pointer-events:none;z-index:3}
.explode-label{position:absolute;top:0;left:0;display:flex;align-items:center;gap:8px;
  transform:translate(-9999px,-9999px);opacity:0;transition:opacity .25s;will-change:transform,opacity}
.explode-label__dot{width:7px;height:7px;border-radius:50%;background:#3fe39a;box-shadow:0 0 0 4px rgba(63,227,154,.16);flex:0 0 auto}
.explode-label__txt{font-family:var(--f-mono);font-size:12px;letter-spacing:.03em;color:#eaf3ee;
  background:rgba(7,28,20,.72);padding:4px 10px;border-radius:7px;white-space:nowrap;border:1px solid rgba(63,227,154,.28)}
.explode-hint{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#6fae93;opacity:.8;z-index:3}

/* ---------- process ---------- */
.proc{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:48px;border-top:1px solid rgba(255,255,255,.16)}
.step{padding:30px 22px 30px 0;border-right:1px solid rgba(255,255,255,.12);position:relative}
.step:last-child{border-right:0}
.step__no{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--signal);margin-bottom:20px;display:flex;align-items:center;gap:8px}
.step__no::before{content:"";width:9px;height:9px;border-radius:50%;border:2px solid var(--signal)}
.step h3{color:#fff;font-size:19px;margin-bottom:10px}
.step p{color:#bcd6c9;font-size:14.5px;line-height:1.6}

/* ---------- specs strip ---------- */
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.spec{background:#fff;padding:26px 24px}
.spec b{font-family:var(--f-display);font-size:clamp(22px,2.4vw,30px);font-weight:600;letter-spacing:-.01em;display:block;color:var(--pine);margin-bottom:8px}
.spec span{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;line-height:1.6;display:block}

/* ---------- independent / why ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.checklist{list-style:none;display:grid;gap:18px;margin-top:8px}
.checklist li{display:flex;gap:14px;align-items:flex-start}
.checklist svg{flex:0 0 auto;margin-top:3px}
.checklist b{font-weight:600;display:block;margin-bottom:2px}
.checklist span{color:var(--muted);font-size:15.5px}

.portrait{
  background:linear-gradient(160deg,#0e3d2c,#17794e);border-radius:16px;padding:40px;color:#eaf3ee;
  position:relative;overflow:hidden;box-shadow:var(--shadow-md);
}
.portrait__tag{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--signal);margin-bottom:18px}
.portrait h3{color:#fff;font-size:25px;margin-bottom:14px}
.portrait p{color:#cfe6da;font-size:16px}
.portrait__sig{margin-top:26px;font-family:var(--f-display);font-size:22px;color:#fff;opacity:.92}
.portrait__grid{position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);background-size:30px 30px;mask-image:radial-gradient(80% 80% at 80% 10%,#000,transparent 70%)}

/* ---------- applications ---------- */
.tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.tag{font-family:var(--f-mono);font-size:13.5px;letter-spacing:.02em;border:1px solid var(--line);border-radius:30px;padding:9px 18px;color:var(--ink);background:#fff;transition:.25s var(--ease)}
.tag:hover{border-color:var(--emerald);color:var(--emerald)}

/* power range band */
.range{margin-top:38px;margin-bottom:10px}
.range__labels{display:flex;justify-content:space-between;font-family:var(--f-mono);font-size:13px;color:var(--ink);margin-bottom:11px}
.range__track{height:10px;border-radius:6px;background:linear-gradient(90deg,#9fe0bf,#0fb968,#17794e,#0e3d2c)}
.range__cap{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-top:13px}
.cap__head h3 sup{color:var(--emerald);font-size:.6em;font-weight:600}

/* ---------- blog cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.post-card__top{height:8px;background:linear-gradient(90deg,var(--pine),var(--signal))}
.post-card__body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.post-card__meta{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.06em;color:var(--emerald);text-transform:uppercase;margin-bottom:14px;display:flex;gap:12px;flex-wrap:wrap}
.post-card h3{font-size:20px;margin-bottom:12px;line-height:1.2}
.post-card p{color:var(--muted);font-size:15px;flex:1;margin-bottom:18px}
.post-card__more{font-family:var(--f-mono);font-size:13px;color:var(--pine);display:inline-flex;align-items:center;gap:8px}
.post-card:hover .post-card__more{gap:12px;color:var(--emerald)}

/* ---------- contact / form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form{display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea,.field select{
  font-family:var(--f-body);font-size:16px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 15px;
  transition:border-color .2s,box-shadow .2s;width:100%;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--emerald);box-shadow:0 0 0 3px var(--signal-soft);
}
.field textarea{resize:vertical;min-height:130px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form__note{font-family:var(--f-mono);font-size:12px;color:var(--muted);line-height:1.7}

.contact-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;display:grid;gap:24px;box-shadow:var(--shadow-sm)}
.cta-panel{background:var(--mist);border:1px solid var(--line);border-radius:14px;padding:34px}
.cta-panel h3{margin-bottom:12px}
.cta-panel > p{color:var(--muted);font-size:16px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn{flex:0 0 auto}
.contact-row{display:flex;gap:14px;align-items:flex-start}
.contact-row svg{flex:0 0 auto;margin-top:3px;color:var(--emerald)}
.contact-row b{display:block;font-size:13px;font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.contact-row a,.contact-row p{font-size:17px;color:var(--ink)}
.contact-row a:hover{color:var(--emerald)}

/* ---------- floating whatsapp ---------- */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:58px;height:58px;border-radius:50%;background:#1faf5a;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 30px -8px rgba(31,175,90,.6);
  transition:transform .25s var(--ease);
}
.wa-float:hover{transform:scale(1.07)}
.wa-float svg{width:30px;height:30px}

/* ---------- footer ---------- */
.site-foot{background:var(--pine);color:#cfe6da;padding-block:56px 30px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:44px}
.site-foot .brand{color:#fff;margin-bottom:16px}
.site-foot .brand small{color:#8fbBa4}
.foot-about{max-width:38ch;color:#a8c8b8;font-size:15px}
.foot-col h4{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--signal);margin-bottom:16px;font-weight:500}
.foot-col a{display:block;color:#cfe6da;font-size:15px;margin-bottom:11px;opacity:.85;transition:opacity .2s}
.foot-col a:hover{opacity:1}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:24px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-family:var(--f-mono);font-size:12px;color:#8fbBa4;letter-spacing:.03em}

/* ---------- article ---------- */
.article-head{background:linear-gradient(180deg,#fff,#f5faf7);border-bottom:1px solid var(--line-soft);padding-block:clamp(48px,7vw,90px)}
.article-head .wrap{max-width:760px}
.article-head .meta{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--emerald);margin-bottom:20px;display:flex;gap:14px;flex-wrap:wrap}
.article-head h1{font-size:clamp(30px,4.6vw,50px);line-height:1.05;margin-bottom:18px}
.article-head p{font-size:19px;color:var(--muted)}
.article{max-width:720px;margin-inline:auto;padding-block:clamp(40px,6vw,72px)}
.article h2{font-size:clamp(24px,3vw,32px);margin:42px 0 16px}
.article h3{font-size:21px;margin:30px 0 12px}
.article p{margin-bottom:20px;font-size:17.5px;color:#23332c}
.article ul,.article ol{margin:0 0 22px 22px}
.article li{margin-bottom:10px;font-size:17px;color:#23332c}
.article strong{color:var(--ink)}
.article blockquote{border-left:3px solid var(--signal);background:var(--mist);padding:18px 24px;border-radius:0 10px 10px 0;margin:26px 0;font-size:18px;color:var(--pine)}
.article code{font-family:var(--f-mono);font-size:14.5px;background:var(--fog);padding:2px 7px;border-radius:5px;color:var(--pine)}
.article__back{font-family:var(--f-mono);font-size:13px;color:var(--emerald);display:inline-flex;gap:8px;margin-bottom:8px}
.article-cta{background:var(--mist);border:1px solid var(--line);border-radius:14px;padding:30px;margin-top:48px;text-align:center}
.article-cta h3{margin-bottom:10px}
.article-cta p{color:var(--muted);margin-bottom:20px}

/* ---------- page hero (sub pages) ---------- */
.page-hero{background:linear-gradient(180deg,#fff,#f5faf7);border-bottom:1px solid var(--line-soft);padding-block:clamp(54px,8vw,96px);position:relative;overflow:hidden}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(34px,5.4vw,60px);margin-bottom:18px}
.page-hero p{font-size:clamp(17px,1.9vw,20px);color:var(--muted);max-width:54ch}

/* ---------- reveal / parallax ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero__inner,.split,.contact-grid,.head-2col,.sim{grid-template-columns:1fr;gap:36px}
  .proc{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .step{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding-right:0}
  .specs{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  body{font-size:16px}
  .nav{position:fixed;inset:68px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 0 16px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s var(--ease);box-shadow:var(--shadow-md)}
  .nav.open{transform:none}
  .nav a{padding:14px var(--gutter);opacity:.9}
  .nav__cta{margin:10px var(--gutter) 0;justify-content:center}
  .nav__burger{display:block}
  .nav.open ~ .nav__burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .cap-grid,.specs,.post-grid,.proc,.foot-grid{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .band .wrap{flex-direction:column;align-items:flex-start}
  .hero__meta{gap:20px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}