/* ============================================================
   Omseek · World — precision observatory design system
   首页 / VGO Framework 共用
   ============================================================ */

:root{
  /* ink & surfaces */
--navy:#07111f;
--paper:#f2f6f8;
  --white:var(--mk-ink-100);
  --line:#dce4ea;
  --hairline:rgba(11,20,36,.09);
  --muted:#5d6e80;

  /* brand — blue dominant, violet secondary, evidence teal */
  --blue:#2563ff;
  --blue-2:#4a78ff;
--violet:#7a5cff;
--cyan:#46d9c8;
  --mint:#6ff0cf;
  --red:#ff6e78;
  --amber:#f5b25c;
  --green:#13b98a;

  --sig:linear-gradient(102deg,var(--blue) 0%,var(--mk-blue-065) 52%,var(--mk-teal-039) 100%);
  --sig-text:linear-gradient(94deg,var(--mk-blue-048a) 0%,var(--mk-blue-061) 52%,var(--mk-teal-039) 100%);
  --sig-soft:linear-gradient(145deg,var(--mk-blue-046),var(--mk-blue-061));

  --sh-card:0 1px 2px rgba(13,25,42,.05),0 16px 38px -20px rgba(13,25,42,.20);
  --sh-pop:0 26px 70px -26px rgba(15,30,58,.30);
  --sh-dark:0 36px 100px -24px rgba(0,0,0,.60);
  --ring:0 0 0 3px rgba(37,99,255,.22);

  --font-display:"Newsreader","Plus Jakarta Sans","PingFang SC","Noto Sans SC",system-ui,serif;
  --font-body:"Plus Jakarta Sans","PingFang SC","Noto Sans SC",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","SFMono-Regular",Menlo,Consolas,monospace;

  --ease:cubic-bezier(.22,1,.36,1);
  --max:1240px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;color:var(--navy);background:var(--paper);
  font:16px/1.6 var(--font-body);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
::selection{background:rgba(37,99,255,.18);color:var(--navy)}
img{display:block}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--mk-blue-078a);border:3px solid var(--paper);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:var(--mk-blue-065a)}

/* film grain — quiet texture over the whole page */
body::after{
  content:"";position:fixed;inset:0;z-index:80;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.skip-link{position:fixed;left:18px;top:-60px;z-index:100;padding:10px 16px;border-radius:9px;background:var(--navy);color:var(--white);font-size:13px;transition:top .25s var(--ease)}
.skip-link:focus{top:14px}
.scroll-progress{position:fixed;top:0;left:0;z-index:90;height:2px;width:0;background:var(--sig);box-shadow:0 0 10px rgba(37,99,255,.55)}

.shell{width:min(calc(100% - 48px),var(--max));margin:auto}

/* ---------------- nav ---------------- */
.topnav{
  position:sticky;top:0;z-index:40;height:74px;
  background:rgba(244,247,248,.72);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);
  transition:background .35s,border-color .35s,box-shadow .35s,height .35s;
}
.topnav.scrolled{background:rgba(246,249,250,.9);border-bottom-color:var(--line);box-shadow:0 10px 34px -20px rgba(13,28,52,.35)}
.navrow{height:100%;display:flex;align-items:center}
.brand{display:inline-flex}
.brand img{width:122px;transition:opacity .25s,transform .25s}
.brand:hover img{opacity:.82;transform:translateY(-1px)}
.navlinks{margin-left:52px;display:flex;gap:30px}
.navlinks a{position:relative;font-size:13px;font-weight:500;color:var(--mk-blue-037a);padding:6px 0;transition:color .25s}
.navlinks a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;border-radius:2px;background:var(--sig);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.navlinks a:hover{color:var(--navy)}
.navlinks a:hover::after,.navlinks a[aria-current="page"]::after{transform:scaleX(1)}
.navlinks a[aria-current="page"]{color:var(--navy);font-weight:600}
.navend{margin-left:auto;display:flex;align-items:center;gap:14px}
.lang{
  font:600 11px/1 var(--font-mono);letter-spacing:.08em;color:var(--mk-blue-052a);
  border:1px solid var(--line);border-radius:99px;padding:7px 11px;background:rgba(255,255,255,.55);
  transition:color .25s,border-color .25s,background .25s;
}
.lang:hover{color:var(--blue);border-color:rgba(37,99,255,.4);background:var(--white)}
.navcta{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:11px 17px;border-radius:10px;font-size:12.5px;font-weight:600;color:var(--white);
  background:linear-gradient(180deg,var(--mk-blue-016),var(--navy));
  border:1px solid rgba(255,255,255,.1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 10px 24px -12px rgba(10,22,38,.7);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .3s;
}
.navcta span{transition:transform .25s var(--ease)}
.navcta:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 16px 30px -12px rgba(10,22,38,.75)}
.navcta:hover span{transform:translate(2px,-2px)}
.navcta:active{transform:translateY(0)}
.menubtn{display:none;border:0;background:transparent;padding:6px;color:var(--navy);line-height:0;border-radius:8px}

/* ---------------- hero ---------------- */
.hero-world{
  position:relative;min-height:850px;display:grid;align-items:center;overflow:hidden;
  background:linear-gradient(180deg,var(--white) 0%,var(--line) 100%);
}
.hero-world::before{
  content:"";position:absolute;inset:-18% -8% auto -8%;height:118%;pointer-events:none;
  background:
    radial-gradient(42% 46% at 76% 16%,rgba(120,140,255,.34),transparent 70%),
    radial-gradient(38% 40% at 12% 76%,rgba(69,224,198,.24),transparent 70%),
    radial-gradient(30% 34% at 58% 88%,rgba(133,103,255,.14),transparent 72%);
  animation:aurora 16s ease-in-out infinite alternate;
}
.hero-world::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(11,20,36,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(11,20,36,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(120% 90% at 70% 0,var(--mk-ink-000) 0%,transparent 62%);
  mask-image:radial-gradient(120% 90% at 70% 0,var(--mk-ink-000) 0%,transparent 62%);
}
.hero-shell{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding:84px 0 100px}

.eyebrow,.kicker{
  display:inline-flex;align-items:center;
  font:600 11px/1 var(--font-mono);letter-spacing:.17em;text-transform:uppercase;color:var(--mk-blue-045);
}
.kicker.light{color:var(--mk-blue-059)}
.eyebrow i{
  display:inline-block;width:7px;height:7px;margin-right:10px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 5px rgba(19,185,138,.11);
  animation:pulse-dot 2.6s ease-in-out infinite;
}
.hero-copy h1{
  max-width:760px;margin:24px 0 26px;
  font:600 clamp(46px,5.6vw,76px)/1.06 var(--font-display);letter-spacing:-.045em;
}
.hero-copy h1 em{
  font-style:normal;background:var(--sig-text);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradient-pan 9s ease-in-out infinite alternate;
}
.hero-copy>p{max-width:680px;margin:0;color:var(--mk-blue-037a);font-size:17px;line-height:1.85}

.domain-form{
  max-width:680px;margin-top:36px;padding:9px 9px 9px 18px;
  background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-pop);
  transition:border-color .3s,box-shadow .3s;
}
.domain-form:focus-within{border-color:rgba(37,99,255,.55);box-shadow:var(--sh-pop),var(--ring)}
.domain-form>label{display:block;margin:7px 0 7px 30px;color:var(--mk-blue-058);font:500 11px/1 var(--font-mono);letter-spacing:.04em}
.domain-form>div{display:grid;grid-template-columns:24px 1fr auto;gap:10px;align-items:center}
.domain-form .field-ico{display:grid;place-items:center;color:var(--mk-blue-057)}
.domain-form input{height:48px;border:0;outline:0;background:transparent;min-width:0;font-size:15px;color:var(--navy)}
.domain-form input::placeholder{color:var(--mk-blue-065a)}
.domain-form button,.final-cta button{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 22px;border:0;border-radius:11px;
  background:linear-gradient(180deg,var(--mk-blue-016),var(--navy));color:var(--white);font-weight:600;font-size:14px;cursor:pointer;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 14px 28px -14px rgba(10,22,38,.8);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.domain-form button b,.final-cta button b{transition:transform .25s var(--ease)}
.domain-form button:hover,.final-cta button:hover{transform:translateY(-2px)}
.domain-form button:hover b,.final-cta button:hover b{transform:translate(2px,-2px)}
.domain-form button:active,.final-cta button:active{transform:translateY(0)}
.microproof{display:flex;gap:20px;flex-wrap:wrap;margin-top:15px;color:var(--mk-blue-050);font-size:11.5px}
.microproof span{display:inline-flex;align-items:center}
.microproof span::before{content:"";display:inline-block;width:13px;height:13px;margin-right:7px;border-radius:50%;
  background-color:var(--mk-teal-094);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='7' viewBox='0 0 9 7'%3E%3Cpath d='M1 3.5 3.2 5.7 8 1' fill='none' stroke='%230c9a73' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:8px}

/* perception field — the living radar */
.perception-field{
  position:relative;height:612px;overflow:hidden;border-radius:30px;
  background:
    radial-gradient(120% 120% at 50% 0%,var(--mk-blue-019) 0%,transparent 55%),
    radial-gradient(circle at 50% 48%,var(--mk-blue-022) 0%,var(--navy) 34%,var(--navy) 68%);
  border:1px solid rgba(255,255,255,.07);
  box-shadow:var(--sh-dark),inset 0 1px 0 rgba(255,255,255,.06);
  color:var(--white);
}
.perception-field::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.10) .7px,transparent .7px);
  background-size:22px 22px;
  -webkit-mask-image:radial-gradient(75% 68% at 50% 48%,var(--mk-ink-000) 0%,transparent 78%);
  mask-image:radial-gradient(75% 68% at 50% 48%,var(--mk-ink-000) 0%,transparent 78%);
}
.radar-sweep{
  position:absolute;z-index:2;left:50%;top:48%;width:660px;height:660px;
  transform:translate(-50%,-50%);border-radius:50%;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0deg 300deg,rgba(111,240,207,.16) 338deg,rgba(111,240,207,.03) 356deg,transparent 360deg);
  animation:spin 9s linear infinite;
}
.field-head,.field-foot{position:absolute;left:26px;right:26px;display:flex;justify-content:space-between;z-index:8;font:500 9px/1 var(--font-mono);letter-spacing:.14em;color:var(--mk-blue-059)}
.field-head{top:24px}
.field-head b{display:inline-flex;align-items:center;color:var(--mint);font-weight:600}
.field-head b::before{content:"";width:6px;height:6px;border-radius:50%;margin-right:7px;background:var(--mint);box-shadow:0 0 10px var(--mint);animation:pulse-dot 1.6s ease-in-out infinite}
.field-foot{bottom:24px;border-top:1px solid rgba(255,255,255,.1);padding-top:17px}
.field-foot span{transition:color .3s}
.field-foot span:hover{color:var(--mint)}
.field-core{
  position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);
  width:146px;height:146px;border:1px solid rgba(123,148,255,.65);border-radius:50%;
  display:grid;place-content:center;text-align:center;z-index:6;
  background:radial-gradient(circle at 50% 38%,#324d92,var(--mk-blue-015) 72%);
  box-shadow:0 0 90px rgba(91,108,255,.42),inset 0 0 26px rgba(111,240,207,.10);
  animation:core-breathe 5s ease-in-out infinite;
}
.field-core strong{font:600 22px/1.18 var(--font-display);letter-spacing:.04em}
.field-core small{margin-top:8px;color:var(--mk-blue-064b);font:500 8px/1 var(--font-mono);letter-spacing:.12em}
.orbit{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);border:1px solid rgba(255,255,255,.1);border-radius:50%;z-index:3}
.orbit.o1{width:280px;height:280px;animation:spin 26s linear infinite}
.orbit.o2{width:430px;height:430px;border-style:dashed;border-color:rgba(255,255,255,.13);animation:spin 44s linear infinite reverse}
.orbit.o3{width:600px;height:600px;animation:spin 70s linear infinite}
.orbit::after{content:"";position:absolute;top:-3.5px;left:50%;width:7px;height:7px;margin-left:-3.5px;border-radius:50%;background:var(--mint);box-shadow:0 0 12px rgba(111,240,207,.9)}
.o2::after{background:#8ea2ff;box-shadow:0 0 12px rgba(142,162,255,.9)}
.o3::after{background:#c39bff;box-shadow:0 0 12px rgba(195,155,255,.9)}
.signal{
  position:absolute;z-index:7;min-width:128px;padding:12px 14px;
  border:1px solid rgba(255,255,255,.13);border-radius:12px;
  background:rgba(16,30,51,.82);backdrop-filter:blur(10px);
  box-shadow:0 12px 30px rgba(0,0,0,.28);
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s;
  animation:float-y 6s ease-in-out infinite;
}
.signal:hover{transform:translateY(-4px);border-color:rgba(111,240,207,.5);box-shadow:0 18px 40px rgba(0,0,0,.4),0 0 26px -6px rgba(111,240,207,.35)}
.signal i{display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 8px rgba(111,240,207,.8)}
.signal b{font:600 9px/1 var(--font-mono);letter-spacing:.12em}
.signal span{display:block;margin:6px 0 0 14px;color:#8b9bb4;font-size:10px}
.signal.known{left:6%;top:20%;animation-delay:.2s}
.signal.cited{right:7%;top:17%;animation-delay:1.1s}
.signal.missing{right:4%;bottom:22%;animation-delay:1.7s}
.signal.distorted{left:7%;bottom:17%;animation-delay:.7s}
.signal.selected{left:40%;top:8%;animation-delay:2.2s}
.signal.missing i,.signal.distorted i{background:var(--red);box-shadow:0 0 8px rgba(255,110,120,.8)}
.signal.selected i{background:#a584ff;box-shadow:0 0 8px rgba(165,132,255,.9)}

/* choreographed entrance */
.hero-copy>*{opacity:0;animation:rise-in .95s var(--ease) forwards}
.hero-copy>*:nth-child(1){animation-delay:.12s}
.hero-copy>*:nth-child(2){animation-delay:.24s}
.hero-copy>*:nth-child(3){animation-delay:.38s}
.hero-copy>*:nth-child(4){animation-delay:.52s}
.hero-copy>*:nth-child(5){animation-delay:.64s}
.perception-field{opacity:0;animation:field-in 1.2s var(--ease) .4s forwards}

/* ---------------- shared section chrome ---------------- */
.manifest,.foundation,.delivery{padding:124px 0;position:relative}
.section-lead{max-width:830px}
.section-lead h2,.section-split h2{
  margin:15px 0 24px;
  font:600 clamp(36px,4.8vw,62px)/1.08 var(--font-display);letter-spacing:-.04em;
}
.section-lead p,.section-split p{color:var(--muted);line-height:1.85;max-width:720px;font-size:16px}
.textlink{
  display:inline-flex;align-items:center;gap:6px;margin-top:26px;color:var(--blue);font-weight:600;font-size:13.5px;
  transition:gap .25s var(--ease),color .25s;
}
.textlink:hover{gap:11px;color:var(--mk-blue-048a)}

/* effective equation */
.effective-equation{
  margin-top:72px;display:grid;grid-template-columns:repeat(9,auto);align-items:stretch;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.eq-word{padding:34px 20px;position:relative;transition:background .3s}
.eq-word::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--sig);transform:scaleX(0);transition:transform .4s var(--ease)}
.eq-word:hover{background:rgba(37,99,255,.035)}
.eq-word:hover::after{transform:scaleX(1)}
.eq-word small,.eq-word b,.eq-word span{display:block}
.eq-word small{color:var(--mk-blue-065a);font:500 9px/1 var(--font-mono);letter-spacing:.1em}
.eq-word b{margin:20px 0 6px;font:600 19px/1.1 var(--font-display)}
.eq-word span{color:var(--mk-blue-050);font-size:12.5px}
.effective-equation>i{display:grid;place-items:center;font-style:normal;color:var(--mk-blue-068a);padding:0 2px}
.equation-note{margin:20px 0 0;color:var(--mk-blue-055);font-size:12.5px}

/* dark system stage */
.system-stage,.integrity{
  position:relative;padding:124px 0;
  background:
    radial-gradient(80% 60% at 88% -4%,rgba(60,80,190,.22),transparent 60%),
    radial-gradient(60% 50% at 0% 100%,rgba(14,184,166,.08),transparent 60%),
    var(--navy);
  color:var(--white);overflow:hidden;
}
.system-stage::before,.integrity::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.07) .7px,transparent .7px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(90% 80% at 50% 0,var(--mk-ink-000),transparent 75%);mask-image:radial-gradient(90% 80% at 50% 0,var(--mk-ink-000),transparent 75%);
}
.system-stage .shell,.integrity .shell{position:relative}
.section-split{display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:end}
.section-split p{color:var(--mk-blue-064b)}
.system-stage .kicker{color:var(--mk-blue-059)}

.discipline-rail{
  display:grid;grid-template-columns:repeat(4,1fr);margin-top:68px;
  border:1px solid rgba(255,255,255,.1);border-radius:18px;overflow:hidden;
  box-shadow:0 30px 80px -40px rgba(0,0,0,.8);
}
.discipline-rail article{
  position:relative;min-height:278px;padding:30px;border-right:1px solid rgba(255,255,255,.09);
  background:rgba(255,255,255,.025);overflow:hidden;
  transition:background .35s,transform .35s var(--ease);
}
.discipline-rail article:hover{background:rgba(255,255,255,.055);transform:translateY(-4px)}
.discipline-rail article:last-child{border-right:0}
.discipline-rail span{font:500 9px/1 var(--font-mono);letter-spacing:.14em;color:var(--mk-blue-059)}
.discipline-rail h3{margin:58px 0 14px;font:600 42px/1 var(--font-display);letter-spacing:-.02em}
.discipline-rail p{color:var(--mk-blue-064b);font-size:13px;line-height:1.7}
.discipline-rail .vgo{background:var(--sig-soft)}
.discipline-rail .vgo::before{
  content:"";position:absolute;top:-40%;left:-60%;width:60%;height:180%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.16),transparent);
  transform:rotate(12deg);transition:left .8s var(--ease);
}
.discipline-rail .vgo:hover::before{left:130%}
.discipline-rail .vgo span,.discipline-rail .vgo p{color:var(--mk-blue-092)}

/* observatory window */
.ops-window{
  margin-top:34px;display:grid;grid-template-columns:222px 1fr;min-height:600px;
  border:1px solid rgba(255,255,255,.12);border-radius:22px;overflow:hidden;
  background:var(--line);color:var(--navy);box-shadow:var(--sh-dark);
}
.ops-window aside{padding:28px 16px;background:linear-gradient(180deg,var(--navy),var(--navy));display:flex;flex-direction:column;gap:4px}
.ops-window aside img{width:104px;margin:0 10px 30px}
.ops-window aside span,.ops-window aside b{
  padding:11px 12px;border-radius:8px;font-size:11.5px;color:var(--mk-blue-064b);
  transition:background .25s,color .25s;cursor:default;
}
.ops-window aside span:hover{background:rgba(255,255,255,.05);color:var(--mk-blue-083)}
.ops-window aside b{background:rgba(255,255,255,.09);color:var(--white)}
.ops-main{padding:32px}
.ops-main>header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.ops-main header small{color:var(--mk-blue-058);font:500 9px/1 var(--font-mono);letter-spacing:.1em}
.ops-main h3{margin:8px 0 0;font:600 26px/1.15 var(--font-display);letter-spacing:-.02em}
.ops-main header em{font-style:normal;color:var(--mk-blue-050);font:500 10px/1 var(--font-mono);padding-top:6px}
.ops-grid{display:grid;grid-template-columns:1.15fr .65fr;gap:14px;margin-top:20px}
.ops-grid article{padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--white);box-shadow:0 1px 2px rgba(13,25,42,.04)}
.heat-panel{grid-row:span 2}
.panel-title{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;font-weight:600;gap:10px}
.panel-title span{color:var(--mk-blue-058);font:400 10px/1 var(--font-mono)}
.heatmap{display:grid;grid-template-columns:repeat(6,1fr);gap:7px;margin:36px 0}
.heatmap i{height:46px;border-radius:7px;background:#e3e7ff;opacity:.4;transform:scale(.55);transition:opacity .55s var(--ease),transform .55s var(--ease),filter .3s,box-shadow .3s}
.ops-window.on .heatmap i{opacity:1;transform:scale(1)}
.ops-window.on .heatmap i:nth-child(6n+2){transition-delay:.07s}
.ops-window.on .heatmap i:nth-child(6n+3){transition-delay:.14s}
.ops-window.on .heatmap i:nth-child(6n+4){transition-delay:.21s}
.ops-window.on .heatmap i:nth-child(6n+5){transition-delay:.28s}
.ops-window.on .heatmap i:nth-child(6n){transition-delay:.35s}
.heatmap i:hover{filter:brightness(1.12);box-shadow:0 6px 16px -6px rgba(37,99,255,.5)}
.heatmap i.l2{background:#b7c4ff}
.heatmap i.l3{background:#7488ed}
.heatmap i.l4{background:linear-gradient(160deg,var(--mk-blue-047),#22379a)}
.axis{display:flex;justify-content:space-between;color:var(--mk-blue-055);font:500 9px/1 var(--font-mono);letter-spacing:.06em}
.truth-panel{background:linear-gradient(140deg,var(--mk-blue-015),#2f4073)!important;color:var(--white);border:0!important}
.truth-panel>span{font:500 9px/1 var(--font-mono);letter-spacing:.12em;color:#93a6c9}
.truth-panel strong{display:block;margin:10px 0 0;font:600 52px/1 var(--font-display);letter-spacing:-.03em}
.truth-panel p{color:var(--mk-blue-082);font-size:11px;line-height:1.7}
.bar{height:5px;border-radius:5px;background:rgba(255,255,255,.15);overflow:hidden}
.bar i{display:block;width:0;height:100%;border-radius:5px;background:linear-gradient(90deg,var(--mint),var(--cyan));box-shadow:0 0 12px rgba(111,240,207,.7);transition:width 1.4s var(--ease) .35s}
.ops-window.on .bar i{width:68%}
.drift-row{display:grid;grid-template-columns:8px 1fr auto;align-items:center;gap:9px;padding:13px 0;border-top:1px solid var(--line);font-size:11px}
.drift-row:first-of-type{border-top:0}
.drift-row i{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(19,185,138,.12)}
.drift-row i.warn{background:var(--amber);box-shadow:0 0 0 3px rgba(245,178,92,.16)}
.drift-row i.bad{background:var(--red);box-shadow:0 0 0 3px rgba(255,110,120,.15)}
.drift-row b{font-weight:600}
.ops-main>footer{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);color:var(--mk-blue-050);font-size:10.5px}
.ops-main footer a{display:inline-flex;align-items:center;gap:5px;color:var(--mk-blue-048a);font-weight:600;transition:gap .25s var(--ease)}
.ops-main footer a:hover{gap:9px}

/* truth infrastructure */
.foundation-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:92px;align-items:center}
.truth-architecture{padding:32px;border-radius:24px;background:linear-gradient(180deg,var(--line),var(--line));border:1px solid var(--line);box-shadow:var(--sh-card)}
.layer{padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--white);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.layer:hover{transform:translateY(-3px);box-shadow:var(--sh-card);border-color:var(--mk-blue-083)}
.layer small,.layer b,.layer span{display:block}
.layer small{font:500 9px/1 var(--font-mono);letter-spacing:.12em;color:var(--mk-blue-055)}
.layer b{margin:14px 0 8px;font:600 20px/1.2 var(--font-display)}
.layer span{color:var(--mk-blue-050);font-size:11.5px}
.layer.truth{background:linear-gradient(150deg,var(--navy),var(--mk-blue-016));border-color:rgba(255,255,255,.08);color:var(--white);box-shadow:0 24px 50px -24px rgba(7,17,31,.7)}
.layer.truth small,.layer.truth span{color:var(--mk-blue-064b)}
.connector{height:46px;display:flex;justify-content:space-around}
.connector i{width:1px;background:linear-gradient(180deg,var(--mk-blue-068a),rgba(159,173,183,.25));position:relative}
.connector i::after{content:"";position:absolute;left:50%;top:30%;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--blue);opacity:.55;animation:drop 2.8s ease-in infinite}
.connector i:nth-child(2)::after{animation-delay:.9s}
.connector i:nth-child(3)::after{animation-delay:1.8s}
.durable{
  margin-top:74px;padding:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:.7fr 1.3fr;gap:52px;
}
.durable>div>span{font-size:11px;color:var(--mk-blue-050)}
.durable h3{margin:9px 0 0;font:600 25px/1.2 var(--font-display);letter-spacing:-.02em}
.asset-list{display:flex;flex-wrap:wrap;gap:9px;align-content:center}
.asset-list span{
  padding:10px 14px;border:1px solid var(--mk-blue-083);border-radius:99px;background:var(--white);color:var(--mk-blue-037a);font-size:12.5px;
  transition:transform .25s var(--ease),border-color .25s,color .25s,background .25s;
}
.asset-list span:hover{transform:translateY(-2px);border-color:rgba(37,99,255,.45);color:var(--blue);background:var(--white)}

/* framework card */
.framework-section{padding:0 0 124px}
.framework-card{
  display:grid;grid-template-columns:1.05fr .95fr;border-radius:26px;overflow:hidden;
  background:var(--white);border:1px solid var(--line);box-shadow:var(--sh-card);
}
.framework-doc{padding:50px}
.dochead{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:20px;font:500 9px/1 var(--font-mono);letter-spacing:.14em;color:var(--mk-blue-050)}
.dochead b{color:var(--mk-blue-048a)}
.framework-doc h2{margin:52px 0 20px;font:600 clamp(36px,4vw,48px)/1.08 var(--font-display);letter-spacing:-.035em}
.framework-doc p,.framework-practice p{color:var(--muted);line-height:1.85}
.docmeta{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:46px;padding-top:22px;border-top:1px solid var(--line);font:500 9px/1.6 var(--font-mono);letter-spacing:.08em;color:var(--mk-blue-058)}
.docmeta b{font:600 12px/1.6 var(--font-body);color:var(--mk-blue-019b);letter-spacing:0}
.framework-practice{padding:50px;background:linear-gradient(145deg,var(--navy),var(--mk-blue-019a));color:var(--white);display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.framework-practice::after{content:"";position:absolute;right:-120px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(111,240,207,.14),transparent 70%)}
.framework-practice h3{margin:20px 0 12px;font:600 32px/1.2 var(--font-display);letter-spacing:-.025em}
.framework-practice p{color:var(--mk-blue-069a)}
.framework-actions{display:flex;gap:10px;margin-top:32px;flex-wrap:wrap}
.framework-actions a{
  display:inline-flex;align-items:center;gap:6px;padding:12px 15px;border:1px solid rgba(255,255,255,.18);border-radius:9px;
  background:rgba(255,255,255,.06);font-size:12px;transition:background .25s,border-color .25s,gap .25s var(--ease);
}
.framework-actions a:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32);gap:10px}

/* integrity flow */
.integrity-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:14px;align-items:center;margin-top:66px}
.integrity-flow article{
  min-height:234px;padding:28px;border:1px solid rgba(255,255,255,.12);border-radius:16px;
  background:rgba(255,255,255,.04);transition:transform .35s var(--ease),border-color .35s,background .35s;
}
.integrity-flow article:hover{transform:translateY(-5px);border-color:rgba(111,240,207,.4);background:rgba(255,255,255,.07)}
.integrity-flow article>span{font:500 9px/1 var(--font-mono);letter-spacing:.12em;color:var(--mk-blue-059)}
.integrity-flow b{display:block;margin:54px 0 12px;font:600 22px/1.1 var(--font-display)}
.integrity-flow p{color:var(--mk-blue-064b);font-size:12.5px;line-height:1.7;margin:0}
.integrity-flow>i{font-style:normal;color:var(--mk-blue-045);font-size:18px}

/* delivery */
.delivery-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:66px}
.delivery-grid article{
  min-height:524px;padding:40px;border:1px solid var(--line);border-radius:20px;background:var(--white);
  box-shadow:0 1px 2px rgba(13,25,42,.04);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s;
}
.delivery-grid article:hover{transform:translateY(-6px);box-shadow:var(--sh-pop);border-color:var(--line)}
.delivery-grid article.studio{
  background:linear-gradient(165deg,var(--navy),var(--mk-blue-015));color:var(--white);border-color:rgba(255,255,255,.08);
  box-shadow:0 30px 70px -40px rgba(7,17,31,.85);
}
.modehead{display:flex;justify-content:space-between;font:500 9px/1 var(--font-mono);letter-spacing:.13em;color:var(--mk-blue-055)}
.delivery-grid h3{margin:72px 0 12px;font:600 50px/1 var(--font-display);letter-spacing:-.03em}
.delivery-grid p{max-width:470px;color:var(--mk-blue-047a);line-height:1.8}
.delivery-grid ul{margin:38px 0;padding:0;list-style:none}
.delivery-grid li{display:flex;align-items:center;padding:14px 0;border-top:1px solid var(--line);font-size:12.5px}
.delivery-grid li::before{
  content:"";flex:none;width:15px;height:15px;margin-right:10px;border-radius:50%;
  background-color:var(--mk-teal-094);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='7' viewBox='0 0 9 7'%3E%3Cpath d='M1 3.5 3.2 5.7 8 1' fill='none' stroke='%230c9a73' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:8px;
}
.delivery-grid a{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--mk-blue-048a);font-weight:600;transition:gap .25s var(--ease),color .25s}
.delivery-grid a:hover{gap:10px;color:var(--mk-blue-048a)}
.delivery-grid .studio p,.delivery-grid .studio .modehead{color:var(--mk-blue-064b)}
.delivery-grid .studio li{border-color:rgba(255,255,255,.1)}
.delivery-grid .studio a{color:var(--mint)}
.delivery-grid .studio a:hover{color:#9df7e0}

/* final cta */
.final-cta{padding:0 0 124px}
.cta-inner{
  position:relative;min-height:470px;padding:72px;border-radius:28px;overflow:hidden;color:var(--white);
  display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:end;
  background:
    radial-gradient(circle at 86% -6%,rgba(140,150,255,.55),transparent 42%),
    linear-gradient(135deg,#162ede,var(--mk-blue-061) 56%,#029b8e);
  box-shadow:0 50px 110px -40px rgba(22,46,222,.65);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(90% 120% at 100% 0,var(--mk-ink-000),transparent 70%);mask-image:radial-gradient(90% 120% at 100% 0,var(--mk-ink-000),transparent 70%);
}
.cta-inner>div{position:relative}
.cta-inner>div>span{font:600 10px/1 var(--font-mono);letter-spacing:.16em;color:#c8d0ff}
.cta-inner h2{margin:16px 0 0;font:600 clamp(40px,4.6vw,58px)/1.06 var(--font-display);letter-spacing:-.04em}
.cta-inner p{color:#dde2ff;line-height:1.8}
.cta-inner form{margin-top:26px;padding:7px;background:var(--white);border-radius:12px;display:grid;grid-template-columns:1fr auto;box-shadow:0 18px 40px -18px rgba(4,12,40,.7)}
.cta-inner input{border:0;outline:0;padding:0 14px;min-width:0;color:var(--navy)}
.cta-inner input::placeholder{color:var(--mk-blue-065a)}
.final-cta button{background:var(--sig);height:48px;padding:0 20px;box-shadow:0 10px 22px -10px rgba(22,46,222,.8)}

/* footer */
.site-footer{position:relative;padding:74px 0 32px;background:linear-gradient(180deg,var(--navy),var(--navy));color:var(--line);overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 80% at 88% 0,rgba(37,99,255,.12),transparent 70%)}
.site-footer .shell{position:relative}
.footgrid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:46px}
.footgrid img{width:120px}
.footgrid p{color:var(--mk-blue-052a);font-size:12.5px;line-height:1.9}
.footgrid b,.footgrid a{display:block}
.footgrid b{margin-bottom:20px;color:var(--mk-blue-059a);font:600 10px/1 var(--font-mono);letter-spacing:.14em}
.footgrid a{margin:13px 0;color:var(--mk-blue-075);font-size:12.5px;width:fit-content;transition:color .25s,transform .25s var(--ease)}
.footgrid a:hover{color:var(--white);transform:translateX(3px)}
.footline{display:flex;justify-content:space-between;gap:16px;margin-top:56px;padding-top:24px;border-top:1px solid var(--mk-blue-017a);color:var(--muted);font:500 10px/1.4 var(--font-mono);letter-spacing:.05em}

/* ---------------- reveal system ---------------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.on{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.stagger.on>*{opacity:1;transform:none}
.stagger.on>*:nth-child(1){transition-delay:.04s}.stagger.on>*:nth-child(2){transition-delay:.10s}
.stagger.on>*:nth-child(3){transition-delay:.16s}.stagger.on>*:nth-child(4){transition-delay:.22s}
.stagger.on>*:nth-child(5){transition-delay:.28s}.stagger.on>*:nth-child(6){transition-delay:.34s}
.stagger.on>*:nth-child(7){transition-delay:.40s}.stagger.on>*:nth-child(8){transition-delay:.46s}
.stagger.on>*:nth-child(9){transition-delay:.52s}.stagger.on>*:nth-child(10){transition-delay:.58s}

@keyframes rise-in{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes field-in{from{opacity:0;transform:translateY(30px) scale(.975)}to{opacity:1;transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.72)}}
@keyframes core-breathe{0%,100%{box-shadow:0 0 80px rgba(91,108,255,.38),inset 0 0 26px rgba(111,240,207,.10)}50%{box-shadow:0 0 118px rgba(91,108,255,.62),inset 0 0 34px rgba(111,240,207,.18)}}
@keyframes float-y{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes aurora{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(2.5%,2%,1) scale(1.06)}}
@keyframes gradient-pan{0%{background-position:0% 50%}100%{background-position:100% 50%}}
@keyframes drop{0%{top:12%;opacity:0}25%{opacity:1}80%{opacity:1}100%{top:88%;opacity:0}}

/* ---------------- responsive ---------------- */
@media(max-width:1000px){
  .navlinks{display:none}
  .navlinks.open{
    position:absolute;display:flex;left:0;right:0;top:74px;padding:22px 24px;gap:16px;flex-direction:column;
    background:rgba(246,249,250,.97);border-bottom:1px solid var(--line);box-shadow:0 18px 40px -18px rgba(14,22,39,.3);
    backdrop-filter:blur(18px)
  }
  .navlinks.open a{font-size:15px;padding:8px 0}
  .menubtn{display:block}
  .hero-shell,.foundation-grid,.framework-card,.cta-inner{grid-template-columns:1fr}
  .hero-world{min-height:auto}
  .hero-shell{padding:64px 0 80px;gap:44px}
  .perception-field{height:560px}
  .section-split{grid-template-columns:1fr;gap:24px}
  .discipline-rail{grid-template-columns:1fr 1fr}
  .ops-window{grid-template-columns:1fr}
  .ops-window aside{display:none}
  .durable{grid-template-columns:1fr}
  .integrity-flow{grid-template-columns:1fr 1fr}
  .integrity-flow>i{display:none}
  .delivery-grid{grid-template-columns:1fr}
  .cta-inner{gap:32px}
  .footgrid{grid-template-columns:1fr 1fr}
  .effective-equation{grid-template-columns:repeat(5,1fr)}
  .effective-equation>i{display:none}
}
@media(max-width:650px){
  .shell{width:min(calc(100% - 28px),var(--max))}
  .topnav{height:66px}
  .navlinks.open{top:66px}
  .navcta{display:none}.lang{display:none}
  .hero-shell{padding:52px 0 64px}
  .hero-copy h1{font-size:40px}
  .hero-copy>p{font-size:15px}
  .domain-form{padding:10px}
  .domain-form>div{grid-template-columns:24px 1fr}
  .domain-form button{grid-column:1/-1}
  .perception-field{height:500px;border-radius:20px}
  .radar-sweep{width:540px;height:540px}
  .signal{min-width:108px;padding:10px 11px}
  .selected{left:32%}
  .section-lead h2,.section-split h2{font-size:33px}
  .manifest,.foundation,.delivery,.system-stage,.integrity{padding:84px 0}
  .effective-equation{grid-template-columns:1fr 1fr}
  .eq-word{border-bottom:1px solid var(--line);padding:26px 18px}
  .discipline-rail{grid-template-columns:1fr}
  .discipline-rail article{min-height:220px;border-right:0;border-bottom:1px solid rgba(255,255,255,.09)}
  .discipline-rail h3{margin:36px 0 12px;font-size:34px}
  .ops-main{padding:18px}
  .ops-main>header,.ops-main>footer{gap:12px;flex-direction:column}
  .ops-grid{grid-template-columns:1fr}
  .heat-panel{grid-row:auto}
  .heatmap i{height:34px}
  .framework-doc,.framework-practice{padding:32px}
  .docmeta{grid-template-columns:1fr}
  .integrity-flow{grid-template-columns:1fr}
  .delivery-grid article{padding:30px;min-height:auto}
  .delivery-grid h3{margin-top:44px;font-size:40px}
  .cta-inner{padding:42px 26px;min-height:0}
  .cta-inner h2{font-size:38px}
  .cta-inner form{grid-template-columns:1fr}
  .cta-inner input{height:46px}
  .footgrid{grid-template-columns:1fr;gap:32px}
  .footline{gap:12px;flex-direction:column}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal,.stagger>*,.hero-copy>*,.perception-field{opacity:1!important;transform:none!important}
}