/* =====================================================================
   ORBIQ — the shared layer every page links: tokens, base, type,
   buttons, the nav, the footer and the dialogs. Page layout lives in
   each page's own <style>.

   Night is the ground. Type is white and set big; colour is spent only
   where a field is speaking — each of the five has its own, taken from
   the identity's planet colours.
   ===================================================================== */

:root{
  --void:#04060A;            /* the ground, and the field's clear colour */
  --deep:#0A0F18;            /* raised surfaces */
  --panel:#0F1622;           /* dialogs, cards */
  --space:#131B26;           /* Deep space, from the identity */
  --line:rgba(214,226,255,.12);
  --line-2:rgba(214,226,255,.22);

  --fg:#F2F5FA;
  --fg-2:#A9B4C6;            /* 9.4:1 on the ground */
  --fg-3:#7A869B;            /* 5.3:1 — small print only */

  --blue:#245CFF;            /* actions and the mark */
  --blue-hi:#3D70FF;
  --blue-light:#88A6FF;      /* the blue as text on the night ground */

  /* the five fields */
  --edtech:#55D6BE;
  --ai:#9686FF;
  --robotics:#F5B544;
  --aero:#FF6B5E;
  --hardware:#7FB0FF;

  --gutter:clamp(20px,4.6vw,72px);
  --max:1400px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---------------------------------------------------------------- base */
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;background:var(--void);color-scheme:dark}
body{
  margin:0;background:var(--void);color:var(--fg);
  font-family:var(--text);font-size:17px;line-height:1.6;font-weight:400;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-underline-offset:.22em;text-decoration-thickness:1px}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
p{text-wrap:pretty}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue-light);outline-offset:3px}

.wrap{width:100%;max-width:calc(var(--max) + 2 * var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:12px;top:-80px;z-index:200;background:var(--fg);color:var(--void);padding:12px 18px;border-radius:10px;font-weight:600;text-decoration:none}
.skip:focus{top:12px}
.ico{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------------------------------------------------------------- type */
.display{
  font-family:var(--display);font-stretch:75%;font-weight:700;text-transform:uppercase;
  line-height:.86;letter-spacing:-.004em;text-wrap:balance;
}
.h-hero{font-size:clamp(64px,10.4vw,184px)}
/* on a phone the headline is sized to the screen: its longest line,
   "INTELLIGENCE.", is about 5.1em wide in this face */
@media (max-width:900px){.h-hero{font-size:min(calc((100vw - 2 * var(--gutter)) / 5.3),96px)}}
/* a narrower desktop or tablet on its side shares the width with the mark */
@media (min-width:901px) and (max-width:1300px){.h-hero{font-size:8.6vw}}
.h-chapter{font-size:clamp(54px,6.6vw,118px)}
.h-section{font-size:clamp(48px,6.4vw,112px)}
.lead{font-size:clamp(19px,1.55vw,24px);line-height:1.38;font-weight:450;color:var(--fg);letter-spacing:-.006em}
.body{color:var(--fg-2)}
.num{font-family:var(--dot);font-weight:800;line-height:1;letter-spacing:.02em}
.small{font-size:14px;line-height:1.5;color:var(--fg-3)}

/* ------------------------------------------------------------- buttons */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;
  min-height:52px;padding:0 26px;border:0;border-radius:999px;
  font-family:var(--text);font-size:15.5px;font-weight:600;letter-spacing:-.005em;line-height:1;
  text-decoration:none;white-space:nowrap;
  transition:background-color .25s,color .25s,box-shadow .25s,transform .15s;
}
.btn:active{transform:translateY(1px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-hi);box-shadow:0 10px 40px -10px rgba(36,92,255,.8)}
.btn-light{background:var(--fg);color:var(--void)}
.btn-light:hover{background:#fff}
.btn-line{background:transparent;color:var(--fg);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn-line:hover{box-shadow:inset 0 0 0 1px rgba(214,226,255,.5)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.5;cursor:default}

/* ----------------------------------------------------------------- nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:background-color .35s,box-shadow .35s}
.nav.is-stuck{
  background:rgba(4,6,10,.72);box-shadow:0 1px 0 var(--line);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);backdrop-filter:blur(16px) saturate(1.4);
}
.nav-in{display:flex;align-items:center;gap:32px;height:76px}
.lockup{display:inline-flex;align-items:center;gap:11px;color:var(--fg);text-decoration:none;flex:none}
.lockup svg{fill:currentColor}
.lockup .mark{width:34px;height:28px;color:var(--blue)}
.lockup .word{width:58px;height:19px}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--fg-2);text-decoration:none;padding:6px 0;transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--fg)}
.nav-menu{
  display:none;margin-left:auto;align-items:center;gap:10px;min-height:40px;padding:0 16px;
  border:0;border-radius:999px;background:rgba(214,226,255,.08);font-size:14px;font-weight:600;
}
.nav-menu .bars{position:relative;width:16px;height:9px}
.nav-menu .bars::before,.nav-menu .bars::after{content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;transition:transform .3s var(--ease),top .3s var(--ease)}
.nav-menu .bars::before{top:0}
.nav-menu .bars::after{top:7.5px}
.nav-menu[aria-expanded="true"] .bars::before{top:3.75px;transform:rotate(45deg)}
.nav-menu[aria-expanded="true"] .bars::after{top:3.75px;transform:rotate(-45deg)}
.nav-sheet{position:fixed;inset:76px 0 0;z-index:59;background:var(--void);padding:16px var(--gutter) 40px;overflow:auto}
.nav-sheet a:not(.btn){display:flex;align-items:baseline;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none;font-family:var(--display);font-stretch:75%;font-weight:700;text-transform:uppercase;font-size:40px;line-height:1}
.nav-sheet a .num{font-size:15px;color:var(--fg-3)}
.nav-sheet .btn{margin-top:28px;width:100%}
@media (max-width:980px){
  .nav-links,.nav-cta{display:none}
  .nav-menu{display:inline-flex}
}
@media (min-width:981px){.nav-sheet{display:none!important}}

/* -------------------------------------------------------------- footer */
.foot{position:relative;z-index:2;border-top:1px solid var(--line);padding:56px 0 36px;font-size:14.5px;color:var(--fg-2);background:var(--void)}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:40px 64px;padding-bottom:44px}
.foot-brand{max-width:340px}
.foot-brand p{margin-top:16px}
.foot-cols{display:flex;flex-wrap:wrap;gap:32px 72px}
.foot-col h2{font-size:13px;font-weight:600;color:var(--fg-3);margin-bottom:14px;letter-spacing:.01em}
.foot-col a{display:block;padding:4px 0;text-decoration:none;color:var(--fg-2)}
.foot-col a:hover{color:var(--fg)}
.foot-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;border-top:1px solid var(--line);color:var(--fg-3)}
.foot-base a{color:var(--fg-2)}

/* ------------------------------------------------------------- dialogs */
.modal{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:20px}
.scrim{position:absolute;inset:0;background:rgba(2,3,6,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fade .3s ease both}
.sheet{
  position:relative;width:min(640px,100%);max-height:calc(100dvh - 40px);overflow:auto;
  background:var(--panel);border-radius:24px;padding:40px;box-shadow:0 0 0 1px var(--line),0 50px 100px -30px rgba(0,0,0,.8);
  animation:rise .4s var(--ease-out) both;
}
.sheet-x{position:absolute;top:16px;right:16px;width:42px;height:42px;display:grid;place-items:center;border:0;border-radius:999px;background:rgba(214,226,255,.08);color:var(--fg)}
.sheet-x:hover{background:rgba(214,226,255,.16)}
@keyframes fade{from{opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(18px) scale(.985)}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}