/* ============================================================
   DRONE ACE — Advanced Control Emulator
   Dark tactical premium design system
   ============================================================ */

:root{
  /* Core palette */
  --obsidian:#080A0B;
  --graphite:#1A1F22;
  --carbon:#2A2F32;
  --tac-green:#2F3A2E;
  --olive:#5E6F4B;
  --sage:#A6B38A;
  --mist:#E6E8E3;
  --amber:#F4A62A;
  --cyan:#4EA3A8;

  /* Derived */
  --line:rgba(166,179,138,.16);
  --line-strong:rgba(166,179,138,.30);
  --panel:rgba(26,31,34,.55);
  --panel-solid:#13171A;
  --txt:rgba(230,232,227,.92);
  --txt-dim:rgba(230,232,227,.56);
  --txt-faint:rgba(230,232,227,.34);

  --maxw:1320px;
  --gut:clamp(20px,5vw,72px);

  --f-display:"Saira Condensed",-apple-system,sans-serif;
  --f-body:"Saira",-apple-system,sans-serif;
  --f-mono:"Space Mono",ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--obsidian);
  color:var(--txt);
  font-family:var(--f-body);
  font-weight:400;
  line-height:1.55;
  font-size:17px;
  letter-spacing:.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--amber);color:var(--obsidian)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---------- Type primitives ---------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.34em;
  text-transform:uppercase;
  color:var(--amber);
  display:inline-flex;
  align-items:center;
  gap:.7em;
}
.eyebrow::before{
  content:"";
  width:26px;height:1px;background:var(--amber);
  display:inline-block;opacity:.8;
}
.eyebrow .idx{color:var(--txt-faint)}

h1,h2,h3{
  font-family:var(--f-display);
  font-weight:600;
  line-height:.98;
  letter-spacing:-.01em;
  text-transform:uppercase;
  color:var(--mist);
}
.h-sect{
  font-size:clamp(34px,4.6vw,64px);
  line-height:.96;
  max-width:18ch;
}
.h-sect .accent{color:var(--olive)}
.lede{
  font-size:clamp(17px,1.4vw,21px);
  color:var(--txt-dim);
  font-weight:400;
  max-width:62ch;
  line-height:1.6;
}
.mono{font-family:var(--f-mono)}
.amber{color:var(--amber)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
section{position:relative}
.section-pad{padding-block:clamp(80px,11vw,168px)}
.sect-head{display:flex;flex-direction:column;gap:22px;margin-bottom:clamp(40px,5vw,72px)}
.sect-head.center{align-items:center;text-align:center}
.sect-head.center .lede{margin-inline:auto}

/* hairline rule shared by section tops */
.hr-tick{
  position:relative;height:1px;background:var(--line);
}
.hr-tick::before{
  content:"";position:absolute;left:0;top:0;width:84px;height:1px;background:var(--amber);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.7em;
  font-family:var(--f-mono);
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  padding:15px 26px;
  border:1px solid var(--line-strong);
  color:var(--mist);
  transition:.25s ease;
  position:relative;
  white-space:nowrap;
}
.btn .arr{transition:transform .25s ease}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{
  background:var(--amber);color:#1a1206;border-color:var(--amber);
  font-weight:700;
}
.btn-primary:hover{background:#ffb43e;box-shadow:0 0 0 1px var(--amber),0 14px 40px -12px rgba(244,166,42,.6)}
.btn-ghost:hover{border-color:var(--sage);background:rgba(166,179,138,.06)}

/* ---------- Cards ---------- */
.card{
  position:relative;
  background:linear-gradient(180deg,rgba(42,47,50,.42),rgba(19,23,26,.55));
  border:1px solid var(--line);
  padding:30px;
  transition:.3s ease;
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--amber);
  transition:width .35s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);background:linear-gradient(180deg,rgba(47,58,46,.4),rgba(19,23,26,.6))}
.card:hover::after{width:100%}
.card .cnum{
  font-family:var(--f-mono);font-size:12px;color:var(--txt-faint);letter-spacing:.2em;
}
.card h3{font-size:23px;line-height:1.02;margin-top:14px;color:var(--mist)}
.card p{margin-top:12px;font-size:15.5px;color:var(--txt-dim);line-height:1.55}

/* corner-bracket card variant */
.card.brk{padding-top:34px}
.card.brk .corner{position:absolute;width:14px;height:14px;border:1px solid var(--line-strong);opacity:.7}
.card.brk .corner.tl{top:12px;left:12px;border-right:none;border-bottom:none}
.card.brk .corner.tr{top:12px;right:12px;border-left:none;border-bottom:none}
.card.brk .corner.bl{bottom:12px;left:12px;border-right:none;border-top:none}
.card.brk .corner.br{bottom:12px;right:12px;border-left:none;border-top:none}

.grid{display:grid;gap:1px;background:var(--line)}
.grid > *{background:var(--obsidian)}
/* the seam-grid: cards share hairlines */
.seam{display:grid;gap:0;border:1px solid var(--line)}
.seam > .cell{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px;position:relative;transition:.3s ease}
.seam > .cell:hover{background:rgba(47,58,46,.32)}

/* ---------- Tags / chips ---------- */
.tag{
  font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--sage);border:1px solid var(--line);padding:5px 10px;display:inline-flex;align-items:center;gap:.5em;
}
.tag .dot{width:5px;height:5px;border-radius:50%;background:var(--olive)}
.tag.amber{color:var(--amber);border-color:rgba(244,166,42,.32)}
.tag.amber .dot{background:var(--amber)}

/* ---------- Reveal animation ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.07s}
.rv-d2{transition-delay:.14s}
.rv-d3{transition-delay:.21s}
.rv-d4{transition-delay:.28s}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  *{animation:none!important}
  html{scroll-behavior:auto}
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--gut);
  transition:background .3s ease,border-color .3s ease,padding .3s ease;
  border-bottom:1px solid transparent;
}
.nav.solid{
  background:rgba(8,10,11,.82);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom-color:var(--line);
  padding-block:13px;
}
.brand{display:flex;align-items:center;gap:13px}
.brand .mk{width:34px;height:34px;flex:none}
.brand .wm{display:flex;flex-direction:column;line-height:1}
.brand .wm b{font-family:var(--f-display);font-weight:600;text-transform:uppercase;letter-spacing:.04em;font-size:21px;color:var(--mist)}
.brand .wm span{font-family:var(--f-mono);font-size:8.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--txt-faint);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{
  font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-dim);transition:color .2s;position:relative;
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--amber);transition:width .25s}
.nav-links a:hover{color:var(--mist)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:18px}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:22px;height:1.5px;background:var(--mist);display:block}
@media(max-width:980px){
  .nav-links,.nav-cta .btn{display:none}
  .burger{display:flex}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(8,10,11,.62) 0%,rgba(8,10,11,.34) 32%,rgba(8,10,11,.5) 64%,var(--obsidian) 100%),
    radial-gradient(120% 90% at 20% 30%,rgba(8,10,11,.2),rgba(8,10,11,.72));
}
.hero-grid{
  position:absolute;inset:0;z-index:2;pointer-events:none;opacity:.4;
  background-image:linear-gradient(rgba(166,179,138,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(166,179,138,.10) 1px,transparent 1px);
  background-size:80px 80px;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 40%,#000 75%,transparent);
          mask-image:linear-gradient(180deg,transparent,#000 40%,#000 75%,transparent);
}
/* HUD layer */
.hud{position:absolute;inset:0;z-index:3;pointer-events:none;font-family:var(--f-mono);color:var(--sage)}
.hud .scan{position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(78,163,168,.55),transparent);animation:scan 7s linear infinite;opacity:.6}
@keyframes scan{0%{top:8%}100%{top:92%}}
.hud-corner{position:absolute;width:32px;height:32px;border:1px solid rgba(166,179,138,.4)}
.hud-corner.tl{top:96px;left:var(--gut);border-right:none;border-bottom:none}
.hud-corner.tr{top:96px;right:var(--gut);border-left:none;border-bottom:none}
.hud-lab{position:absolute;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:rgba(166,179,138,.62)}
.hud-lab.l1{top:100px;left:calc(var(--gut) + 44px)}
.hud-lab.l2{top:100px;right:calc(var(--gut) + 44px);text-align:right}
.hud-reticle{position:absolute;top:38%;right:14%;width:120px;height:120px;display:none}
@media(min-width:1100px){.hud-reticle{display:block}}
.hud-reticle circle,.hud-reticle line,.hud-reticle path{stroke:rgba(78,163,168,.5);fill:none;stroke-width:1}
.hud-reticle .spin{transform-origin:60px 60px;animation:spin 18s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hud-path{position:absolute;inset:0;width:100%;height:100%}
.hud-path path{fill:none;stroke:rgba(244,166,42,.55);stroke-width:1.5;stroke-dasharray:6 8;animation:dash 30s linear infinite}
@keyframes dash{to{stroke-dashoffset:-600}}
.hud-path .node{fill:var(--amber)}

.hero-inner{position:relative;z-index:4;width:100%;max-width:var(--maxw);margin:0 auto;padding:118px var(--gut) clamp(78px,8vw,116px)}
.hero-eyebrow{margin-bottom:22px}
.hero h1{
  font-size:clamp(58px,11.6vw,176px);
  line-height:.84;
  letter-spacing:-.02em;
  color:#fff;
  text-shadow:0 8px 60px rgba(0,0,0,.6);
}
.hero h1 .acro{display:block;font-size:clamp(12px,1.4vw,18px);letter-spacing:.42em;color:var(--amber);font-family:var(--f-mono);margin-top:20px;text-shadow:none;text-transform:uppercase}
.hero-pos{font-size:clamp(17px,1.9vw,25px);color:var(--mist);max-width:80ch;margin-top:26px;font-weight:300;line-height:1.32}
.hero-sscb{display:flex;gap:0;margin-top:30px;flex-wrap:wrap}
.hero-sscb span{font-family:var(--f-mono);font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--sage);position:relative;padding:0 18px}
.hero-sscb span:first-child{padding-left:0}
.hero-sscb span:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;width:1px;height:12px;background:var(--line-strong);transform:translateY(-50%)}
.hero-sscb span b{color:var(--amber);font-weight:400}
.hero-cta{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap}

.hero-telem{
  position:absolute;left:0;right:0;bottom:0;z-index:4;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,transparent,rgba(8,10,11,.6));
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero-telem .t{padding:14px var(--gut);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:3px}
.hero-telem .t:last-child{border-right:none}
.hero-telem .t .k{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--txt-faint)}
.hero-telem .t .v{font-family:var(--f-mono);font-size:15px;color:var(--mist)}
.hero-telem .t .v i{color:var(--amber);font-style:normal}
@media(max-width:760px){.hero-telem{grid-template-columns:repeat(2,1fr)}.hero-telem .t:nth-child(2){border-right:none}.hero-telem .t:nth-child(1),.hero-telem .t:nth-child(2){border-bottom:1px solid var(--line)}}

/* scroll cue */
.scrollcue{position:absolute;right:var(--gut);bottom:96px;z-index:5;font-family:var(--f-mono);font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--txt-faint);display:flex;flex-direction:column;align-items:center;gap:8px}
.scrollcue .bar{width:1px;height:34px;background:linear-gradient(180deg,var(--amber),transparent);animation:cue 2s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}
@media(max-width:1100px){.scrollcue{display:none}}

/* ============================================================
   PIPELINE
   ============================================================ */
.pipe{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);position:relative}
.pipe .step{padding:34px 28px;border-right:1px solid var(--line);position:relative;transition:.3s}
.pipe .step:last-child{border-right:none}
.pipe .step:hover{background:rgba(47,58,46,.34)}
.pipe .step .n{font-family:var(--f-mono);font-size:12px;color:var(--amber);letter-spacing:.2em}
.pipe .step h3{font-size:26px;margin-top:18px;color:var(--mist)}
.pipe .step p{font-size:14.5px;color:var(--txt-dim);margin-top:12px}
.pipe .step .arrow{position:absolute;right:-9px;top:46px;width:18px;height:18px;color:var(--olive);z-index:2;background:var(--obsidian);display:flex;align-items:center;justify-content:center}
.pipe .step:last-child .arrow{display:none}
@media(max-width:900px){.pipe{grid-template-columns:1fr}.pipe .step{border-right:none;border-bottom:1px solid var(--line)}.pipe .step:last-child{border-bottom:none}.pipe .step .arrow{display:none}}

/* ============================================================
   FEATURE / IMAGE BLOCKS
   ============================================================ */
.img-frame{position:relative;border:1px solid var(--line-strong);overflow:hidden;background:var(--graphite)}
.img-frame img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.92) contrast(1.04)}
.img-frame .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,11,.1),rgba(8,10,11,.55));pointer-events:none}
.img-frame .fr-corner{position:absolute;width:18px;height:18px;border:1.5px solid var(--amber);z-index:3}
.img-frame .fr-corner.tl{top:14px;left:14px;border-right:none;border-bottom:none}
.img-frame .fr-corner.br{bottom:14px;right:14px;border-left:none;border-top:none}
.img-frame .fr-tags{position:absolute;left:14px;bottom:14px;z-index:3;display:flex;flex-wrap:wrap;gap:7px;max-width:80%}
.img-frame .fr-read{position:absolute;top:14px;right:14px;z-index:3;font-family:var(--f-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--sage);text-align:right;line-height:1.7}
.img-frame .fr-read i{color:var(--amber);font-style:normal}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
@media(max-width:920px){.split{grid-template-columns:1fr;gap:36px}}

/* spec rows */
.specrow{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px solid var(--line);font-family:var(--f-mono);font-size:13px}
.specrow .k{color:var(--txt-faint);letter-spacing:.12em;text-transform:uppercase}
.specrow .v{color:var(--mist);text-align:right}

/* feature list (sim quality) */
.featlist{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
@media(max-width:680px){.featlist{grid-template-columns:1fr}}
.featlist li{list-style:none;display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--txt)}
.featlist li .mk{color:var(--amber);font-family:var(--f-mono);font-size:12px;flex:none;padding-top:3px}

/* marketplace cards */
.mkt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:980px){.mkt-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.mkt-grid{grid-template-columns:1fr}}
.dcard{border:1px solid var(--line);background:var(--panel-solid);transition:.3s;overflow:hidden}
.dcard:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.dcard .ph{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--graphite);border-bottom:1px solid var(--line)}
.dcard .ph img{width:100%;height:100%;object-fit:cover}
.dcard .ph .ph-stripe{position:absolute;inset:0;background:repeating-linear-gradient(135deg,transparent 0 14px,rgba(8,10,11,.16) 14px 15px)}
.dcard .ph .badge{position:absolute;top:12px;left:12px}
.dcard .body{padding:22px}
.dcard h3{font-size:22px;color:var(--mist)}
.dcard .cls{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--olive);margin-top:6px}
.dcard .meta{margin-top:16px}
.dcard .meta .specrow{padding:9px 0;font-size:12px}
.dcard .dcta{display:flex;gap:8px;margin-top:18px}
.dcard .dcta .btn{flex:1;justify-content:center;padding:12px 10px;font-size:11px}

/* two-column buyer/maker */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line)}
@media(max-width:820px){.duo{grid-template-columns:1fr}}
.duo .col{padding:clamp(28px,3.4vw,46px);position:relative}
.duo .col:first-child{border-right:1px solid var(--line)}
@media(max-width:820px){.duo .col:first-child{border-right:none;border-bottom:1px solid var(--line)}}
.duo .col h3{font-size:27px;color:var(--mist)}
.duo .col .ck{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin-bottom:18px;display:block}
.duo ul{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:0}
.duo ul li{padding:13px 0;border-bottom:1px solid var(--line);display:flex;gap:13px;font-size:15.5px;color:var(--txt)}
.duo ul li:last-child{border-bottom:none}
.duo ul li::before{content:"›";color:var(--olive);font-family:var(--f-mono);flex:none}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:900px){.road{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.road{grid-template-columns:1fr}}
.road .rc{border:1px solid var(--line);padding:28px;background:linear-gradient(180deg,rgba(42,47,50,.34),rgba(19,23,26,.5));position:relative;transition:.3s}
.road .rc:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.road .rc .ph-tag{font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--txt-faint)}
.road .rc h3{font-size:21px;margin-top:14px;color:var(--mist)}
.road .rc p{font-size:14px;color:var(--txt-dim);margin-top:12px}

/* modules — large feature rows */
.modgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:820px){.modgrid{grid-template-columns:1fr}}

/* final cta */
.finalcta{position:relative;overflow:hidden;text-align:center;border-top:1px solid var(--line)}
.finalcta h2{font-size:clamp(40px,6.4vw,96px);line-height:.94;max-width:16ch;margin-inline:auto}
.envlist{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:760px;margin:0 auto}

/* footer */
.footer{border-top:1px solid var(--line);padding:64px var(--gut) 40px;background:#06080A}
.footer-top{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.footer .contact{font-family:var(--f-mono);font-size:13px;color:var(--txt-dim);line-height:2}
.footer .contact a:hover{color:var(--amber)}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap}
.footer-cols .fc h4{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--txt-faint);margin-bottom:14px;font-weight:400}
.footer-cols .fc a{display:block;font-size:14px;color:var(--txt-dim);padding:4px 0;transition:color .2s}
.footer-cols .fc a:hover{color:var(--mist)}
.footer-bottom{max-width:var(--maxw);margin:48px auto 0;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-faint)}

/* background grid texture for dark sections */
.gridbg::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000,transparent 80%);
          mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000,transparent 80%);
}

/* ============================================================
   MOBILE MENU OVERLAY
   ============================================================ */
.mobile-menu{
  position:fixed;inset:0;z-index:70;
  background:rgba(8,10,11,.97);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  display:flex;flex-direction:column;gap:auto;
  padding:104px var(--gut) calc(34px + env(safe-area-inset-bottom));
  transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .35s ease,transform .35s ease,visibility .35s;
}
.mobile-menu.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
.mobile-menu .mm-tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--amber);margin-bottom:18px}
.mm-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.mm-links a{
  display:flex;align-items:baseline;gap:16px;
  font-family:var(--f-display);font-weight:600;text-transform:uppercase;
  font-size:clamp(30px,9vw,46px);line-height:1;letter-spacing:-.01em;color:var(--mist);
  padding:20px 0;border-bottom:1px solid var(--line);transition:color .2s,padding-left .2s;
}
.mm-links a i{font-family:var(--f-mono);font-size:13px;font-weight:400;font-style:normal;color:var(--txt-faint);letter-spacing:.1em}
.mm-links a:active,.mm-links a:hover{color:var(--amber);padding-left:8px}
.mm-foot{margin-top:auto;padding-top:30px;display:flex;flex-direction:column;gap:18px}
.mm-foot .btn{width:100%;justify-content:center;padding:18px}
.mm-contact{font-size:13px;letter-spacing:.08em;color:var(--txt-dim)}
body.menu-lock{overflow:hidden}
/* burger -> X */
.burger{transition:.2s}
.burger span{transition:transform .3s ease,opacity .2s ease;transform-origin:center}
.burger.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media(min-width:981px){.mobile-menu{display:none}}

/* ============================================================
   RESPONSIVE LAYER
   Overrides inline grid-template-columns (which beat plain
   media queries) and tunes type/space/decoration per breakpoint.
   ============================================================ */

/* ---- Tablet landscape ≤1024 ---- */
@media(max-width:1024px){
  .mkt-grid{grid-template-columns:repeat(2,1fr)!important}
  .seam{grid-template-columns:repeat(2,1fr)!important}
  .road{grid-template-columns:repeat(2,1fr)}
  .section-pad{padding-block:clamp(72px,9vw,120px)}
  .seam > .cell{padding:30px}
  .pipe{grid-template-columns:repeat(1,1fr)}
}

/* ---- Tablet portrait ≤768 ---- */
@media(max-width:768px){
  body{font-size:16px}
  .h-sect{font-size:clamp(31px,7.4vw,46px)}
  .lede{font-size:16px}
  .section-pad{padding-block:64px}
  .sect-head{margin-bottom:36px;gap:18px}
  /* sim-quality sticky image shouldn't dominate when stacked */
  .split .img-frame[style*="sticky"]{position:static!important;top:auto!important}
  .img-frame[style*="3/4"]{aspect-ratio:16/11!important}
  /* hero */
  .hero h1{font-size:clamp(54px,16vw,104px)}
  .hero-inner{padding-top:104px}
  .hud-lab{display:none}
  .hero-grid{opacity:.28}
  .gridbg::before{opacity:.32;background-size:48px 48px}
}

/* ---- Mobile ≤640: single column everything ---- */
@media(max-width:640px){
  .mkt-grid{grid-template-columns:1fr!important;gap:14px}
  .seam{grid-template-columns:1fr!important}
  .road{grid-template-columns:1fr}
  .modgrid{grid-template-columns:1fr}
  .seam > .cell{padding:26px 22px}
  .seam > .cell{border-right:none}
  .card{padding:26px}
  .card.brk{padding:30px 24px 26px}
  .modgrid .card,.modgrid .card[style]{padding:30px 24px!important}
  /* CTAs full width + stacked */
  .hero-cta{flex-direction:column;gap:12px;width:100%}
  .hero-cta .btn{width:100%;justify-content:center;padding:17px 22px}
  .btn{font-size:12px}
  /* hero meta */
  .hero h1{font-size:clamp(50px,17vw,84px);line-height:.86}
  .hero h1 .acro{font-size:11px;letter-spacing:.34em;margin-top:16px}
  .hero-pos{font-size:17px;margin-top:22px;max-width:none}
  .hero-sscb{margin-top:24px;gap:10px 0}
  .hero-sscb span{font-size:11.5px;padding:0 14px}
  .hero-telem{grid-template-columns:repeat(2,1fr)}
  .hero-telem .t{padding:12px var(--gut)}
  .hud-path{display:none}
  .hud .scan{opacity:.35}
  /* featured-model split: image first, comfortable */
  .img-frame .fr-tags{max-width:92%;gap:6px}
  .img-frame .fr-read{font-size:9px}
  .tag{font-size:10.5px;padding:5px 9px}
  /* footer */
  .footer{padding:52px var(--gut) 34px}
  .footer-cols{gap:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  /* pipeline numbers a touch tighter */
  .pipe .step{padding:26px 22px}
  .pipe .step h3{font-size:23px}
}

/* ---- Small mobile ≤380 ---- */
@media(max-width:380px){
  :root{--gut:16px}
  .hero h1{font-size:clamp(44px,18vw,72px)}
  .hero-sscb span{padding:0 11px;font-size:11px}
  .h-sect{font-size:clamp(28px,8vw,38px)}
  .card{padding:22px}
  .seam > .cell{padding:22px 18px}
  .mm-links a{font-size:30px;padding:17px 0}
  .dcard .dcta{flex-direction:column}
  .dcard .dcta .btn{width:100%}
}