/* =========================================================
   Nexus Education
   Theme: locked dark (brand mark's primary form is dark)
   Accent: #ff2e63 only, used identically site-wide
   Radius system: panels/buttons/inputs all 4px (HUD / technical)
   ========================================================= */

:root{
  --void:#0b0912;
  --surface:#120f20;
  --surface-2:#171326;
  --line:rgba(244,241,250,.10);
  --line-strong:rgba(244,241,250,.18);

  --accent:#ff2e63;
  --accent-deep:#942045;
  --accent-dim:rgba(255,46,99,.14);

  --text:#eceaf4;
  --muted:#9d96b0;
  --muted-2:#8f87a6;

  --r:4px;
  --maxw:1320px;
  --gutter:clamp(20px,5vw,72px);

  --ease:cubic-bezier(.16,1,.3,1);

  --f-display:"Archivo",system-ui,sans-serif;
  --f-body:"Manrope",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,monospace;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--void);
  color:var(--text);
  font-family:var(--f-body);
  font-size:clamp(15px,.45vw + 14px,17px);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit}

h1,h2,h3{
  font-family:var(--f-display);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.02;
  margin:0;
  text-wrap:balance;
}
p{margin:0}

::selection{background:var(--accent);color:#fff}

:where(a,button,input,textarea,[tabindex]):focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:var(--r);
}

.skip{
  position:fixed;top:-100px;left:16px;z-index:200;
  background:var(--accent);color:#fff;padding:12px 18px;border-radius:var(--r);
  font-weight:600;text-decoration:none;transition:top .2s;
}
.skip:focus{top:16px}

.accent{color:var(--accent)}

.eyebrow{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--muted-2);
  margin:0 0 20px;
}

/* ---------- ambience ---------- */
.grain{
  position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.035;
  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='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.scanline{
  position:fixed;inset:0;z-index:59;pointer-events:none;opacity:.5;
  background:repeating-linear-gradient(180deg,transparent 0 3px,rgba(0,0,0,.22) 3px 4px);
  mix-blend-mode:multiply;
}
.progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:80;pointer-events:none;
  background:rgba(244,241,250,.06);
}
.progress i{
  display:block;height:100%;width:0%;
  background:linear-gradient(90deg,var(--accent-deep),var(--accent));
  box-shadow:0 0 14px rgba(255,46,99,.65);
}

/* ---------- buttons ---------- */
.btn{
  --bg:var(--accent);
  position:relative;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  white-space:nowrap;
  padding:15px 30px;
  border:1px solid var(--bg);
  border-radius:var(--r);
  background:var(--bg);
  /* Near-black on the brand crimson reaches 5.3:1. White would only reach
     3.6:1, so the accent itself stays exact and the label carries the contrast. */
  color:var(--void);
  font-family:var(--f-body);
  font-weight:700;
  font-size:14.5px;
  letter-spacing:.01em;
  text-decoration:none;
  cursor:pointer;
  overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.btn::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);
  transform:translateX(-120%);
  transition:transform .6s var(--ease);
}
.btn:hover{box-shadow:0 10px 36px rgba(255,46,99,.32)}
.btn:hover::after{transform:translateX(120%)}
.btn:active{transform:translateY(1px) scale(.985)}
.btn--sm{padding:11px 20px;font-size:13.5px}
.btn--ghost{
  --bg:transparent;
  border-color:var(--line-strong);
  color:var(--text);
}
.btn--ghost:hover{border-color:var(--accent);color:#fff;box-shadow:none;background:var(--accent-dim)}
.btn:not(.btn--ghost) .btn__spin{border-color:rgba(11,9,18,.3);border-top-color:var(--void)}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:70;
  height:72px;
  transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(11,9,18,.78);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom-color:var(--line);
}
.nav__in{
  max-width:var(--maxw);margin:0 auto;height:100%;
  padding:0 var(--gutter);
  display:flex;align-items:center;gap:40px;
}
.nav__brand{flex:0 0 auto;line-height:0}
.nav__brand img{width:150px;height:auto}
.nav__links{
  display:flex;align-items:center;gap:34px;
  margin-left:auto;
  font-size:14px;font-weight:600;
}
.nav__links a{
  position:relative;text-decoration:none;color:var(--muted);
  transition:color .25s var(--ease);
  padding:6px 0;
}
.nav__links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:right;
  transition:transform .35s var(--ease);
}
.nav__links a:hover{color:var(--text)}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:left}

.nav__burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--r);
  background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav__burger span{display:block;width:18px;height:1.5px;background:var(--text);transition:transform .3s var(--ease),opacity .3s}
.nav__burger[aria-expanded="true"] span:first-child{transform:translateY(3.25px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:last-child{transform:translateY(-3.25px) rotate(-45deg)}

.mobilemenu{
  position:fixed;inset:72px 0 auto;z-index:69;
  background:rgba(11,9,18,.97);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
  padding:20px var(--gutter) 34px;
}
.mobilemenu nav{display:flex;flex-direction:column}
.mobilemenu a{
  padding:16px 0;text-decoration:none;font-family:var(--f-display);
  font-size:22px;font-weight:700;letter-spacing:-.02em;
  border-bottom:1px solid var(--line);
}
.mobilemenu a:last-child{color:var(--accent);border-bottom:0}

/* =========================================================
   HERO  (asymmetric split)
   ========================================================= */
.hero{
  position:relative;
  min-height:100dvh;
  display:flex;align-items:center;
  padding:140px 0 90px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0;height:240px;
  background:linear-gradient(transparent,var(--void));
  pointer-events:none;
}
.hero__field{position:absolute;inset:0;width:100%;height:100%;opacity:.55}

.hero__in{
  position:relative;z-index:2;
  width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
  display:grid;grid-template-columns:1.3fr .7fr;gap:60px;align-items:center;
}

.hero__h1{
  font-size:clamp(36px,4.4vw,62px);
  margin:0 0 26px;
}
.hero__h1 .line{display:block;position:relative}

.hero__sub{
  max-width:42ch;
  color:var(--muted);
  font-size:clamp(16px,.5vw + 15px,19px);
  margin-bottom:38px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}

/* glitch on headline */
.line[data-glitch]::before,
.line[data-glitch]::after{
  content:attr(data-glitch);
  position:absolute;left:0;top:0;width:100%;
  opacity:0;pointer-events:none;
}
.line[data-glitch]::before{color:var(--accent);}
.line[data-glitch]::after{color:#6ae3ff;}
.line.is-glitching::before{animation:gl-a .42s steps(2,end) 1;opacity:.85}
.line.is-glitching::after{animation:gl-b .42s steps(2,end) 1;opacity:.6}
@keyframes gl-a{
  0%{transform:translate(0,0);clip-path:inset(0 0 72% 0)}
  25%{transform:translate(-5px,-2px);clip-path:inset(42% 0 28% 0)}
  50%{transform:translate(4px,1px);clip-path:inset(12% 0 60% 0)}
  75%{transform:translate(-3px,2px);clip-path:inset(66% 0 6% 0)}
  100%{transform:translate(0,0);clip-path:inset(0 0 100% 0)}
}
@keyframes gl-b{
  0%{transform:translate(0,0);clip-path:inset(60% 0 10% 0)}
  30%{transform:translate(5px,1px);clip-path:inset(18% 0 50% 0)}
  60%{transform:translate(-4px,-2px);clip-path:inset(72% 0 4% 0)}
  100%{transform:translate(0,0);clip-path:inset(0 0 100% 0)}
}

/* HUD mark */
.hero__mark{position:relative;aspect-ratio:1;max-width:560px;margin-left:auto;width:100%}
.hud{width:100%;height:100%;overflow:visible}
.hud circle,.hud line{fill:none}
.hud__ticks{
  stroke:var(--accent);stroke-width:9;opacity:.5;
  stroke-dasharray:2 14;
  transform-origin:260px 260px;
  animation:spin 70s linear infinite;
}
.hud__hair{stroke:var(--line-strong);stroke-width:1}
.hud__hair--in{stroke:rgba(255,46,99,.3)}
.hud__spin{transform-origin:260px 260px;animation:spin 16s linear infinite}
.hud__spin--rev{animation:spin 24s linear infinite reverse}
.hud__arc{
  stroke-width:5;stroke-linecap:round;
  stroke-dasharray:300 881;
  filter:drop-shadow(0 0 12px rgba(255,46,99,.65));
}
.hud__arc--b{stroke-dashoffset:-590}
.hud__white{
  stroke:rgba(244,241,250,.75);stroke-width:2.5;stroke-linecap:round;
  stroke-dasharray:230 838;
}
.hud__core{fill:#0a0912;stroke:rgba(255,46,99,.22);stroke-width:1}
.hud__cross{stroke:rgba(244,241,250,.22);stroke-width:1}
@keyframes spin{to{transform:rotate(360deg)}}

.hero__n{
  position:absolute;inset:0;margin:auto;
  width:21%;height:auto;
  filter:drop-shadow(0 0 34px rgba(255,46,99,.55));
}

/* =========================================================
   PROVENANCE STRIP
   ========================================================= */
.strip{border-block:1px solid var(--line);background:var(--surface)}
.strip__in{
  max-width:var(--maxw);margin:0 auto;padding:54px var(--gutter);
  display:grid;grid-template-columns:repeat(3,1fr);gap:48px;
}
.strip__item strong{
  display:block;font-family:var(--f-display);font-weight:700;
  font-size:17px;letter-spacing:-.01em;margin-bottom:8px;
}
.strip__item span{color:var(--muted);font-size:14.5px;line-height:1.6}

/* =========================================================
   MANIFESTO (editorial)
   ========================================================= */
.manifesto{padding:clamp(110px,14vw,190px) 0}
.manifesto__in{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.manifesto__h{
  font-size:clamp(32px,5.4vw,76px);
  line-height:1.06;
  max-width:19ch;
  margin-bottom:64px;
}
.manifesto__h [data-word]{display:inline-block;will-change:transform,opacity}
.manifesto__body{
  display:grid;grid-template-columns:repeat(2,1fr);gap:48px;
  margin-left:auto;max-width:900px;
  color:var(--muted);
}
.manifesto__body p{font-size:16.5px}

/* =========================================================
   BENTO MODULES  (10 items -> 10 cells)
   ========================================================= */
.modules{padding:0 0 clamp(90px,11vw,150px)}
.modules__head{
  max-width:var(--maxw);margin:0 auto 54px;padding:0 var(--gutter);
}
.modules__head h2{font-size:clamp(30px,4.4vw,60px);max-width:16ch}

.bento{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}
.cell{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--r);
  background:var(--surface);
  padding:30px 28px;
  min-height:210px;
  display:flex;flex-direction:column;justify-content:flex-end;gap:12px;
  transition:border-color .35s var(--ease),transform .35s var(--ease),background .35s var(--ease);
}
.cell:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.cell h3{font-size:20px;letter-spacing:-.02em}
.cell p{color:var(--muted);font-size:14.5px;line-height:1.6}

.cell--wide{grid-column:span 2}
.cell--tall{grid-row:span 2;justify-content:flex-end}

/* visual variation: accent fill */
.cell--accent{
  background:linear-gradient(145deg,var(--accent-deep),#5d1430 58%,var(--surface));
  border-color:rgba(255,46,99,.4);
}
.cell--accent p{color:rgba(255,235,241,.84)}

/* visual variation: radial glow art */
.cell--art,.cell--student{background:var(--surface-2)}
.cell__glow{
  position:absolute;inset:0;
  background:radial-gradient(130% 90% at 72% 8%,rgba(255,46,99,.4),transparent 58%);
  opacity:.85;
}
.cell--art h3,.cell--art p,.cell--student h3,.cell--student p{position:relative}
.cell--student .cell__glow{
  background:radial-gradient(120% 90% at 18% 92%,rgba(255,46,99,.3),transparent 60%);
}

/* visual variation: HUD grid pattern */
.cell--grid{
  background-color:var(--surface);
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:26px 26px;
  background-position:center;
}
.cell--accentline::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(var(--accent),transparent);
}

/* =========================================================
   DAY  (horizontal pan)
   ========================================================= */
.day{position:relative;overflow:hidden;background:var(--surface)}
.day__track{
  display:flex;align-items:center;gap:26px;
  height:100dvh;
  padding:0 var(--gutter);
  will-change:transform;
}
.panel{
  flex:0 0 min(430px,82vw);
  border:1px solid var(--line);
  border-radius:var(--r);
  background:var(--void);
  padding:40px 34px;
  min-height:min(58vh,470px);
  display:flex;flex-direction:column;justify-content:center;gap:14px;
}
.day__intro{
  flex:0 0 min(500px,86vw);
  background:transparent;border:0;padding-left:0;
}
.day__intro h2{font-size:clamp(34px,4.6vw,62px)}
.day__lead{color:var(--muted);margin-top:12px;max-width:34ch}
.panel--step{position:relative}
.panel__time{
  font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;
  color:var(--accent);
}
.panel--step h3{font-size:25px;letter-spacing:-.02em}
.panel--step p{color:var(--muted);font-size:15px}

/* =========================================================
   ROLLOUT (sticky stack)
   ========================================================= */
.rollout{padding:clamp(100px,12vw,160px) 0 0}
.rollout__head{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
  margin-bottom:40px;
}
.rollout__head h2{font-size:clamp(30px,4.4vw,60px);max-width:14ch;margin-bottom:16px}
.rollout__head p{color:var(--muted);max-width:46ch}

.stack{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.stack__card{
  position:sticky;top:0;
  min-height:100dvh;
  display:flex;align-items:center;
  will-change:transform;
}
.stack__in{
  width:100%;
  border:1px solid var(--line-strong);
  border-radius:var(--r);
  background:linear-gradient(150deg,var(--surface-2),var(--surface));
  padding:clamp(34px,5vw,70px);
  box-shadow:0 30px 90px rgba(0,0,0,.5);
}
.stack__in h3{font-size:clamp(26px,3.4vw,46px);margin-bottom:18px;max-width:18ch}
.stack__in p{color:var(--muted);max-width:60ch;font-size:16.5px}

/* =========================================================
   ORBIT (integrations)
   ========================================================= */
.orbit{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(100px,12vw,170px) var(--gutter);
  display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center;
}
.orbit__copy h2{font-size:clamp(30px,4.2vw,56px);max-width:15ch;margin-bottom:20px}
.orbit__copy > p{color:var(--muted);max-width:48ch;margin-bottom:40px}
.orbit__list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.orbit__list li{
  display:grid;grid-template-columns:200px 1fr;gap:20px;align-items:baseline;
  padding:17px 0;border-top:1px solid var(--line);
}
.orbit__list li:last-child{border-bottom:1px solid var(--line)}
.orbit__list strong{font-family:var(--f-display);font-weight:700;font-size:16px;letter-spacing:-.01em}
.orbit__list span{color:var(--muted);font-size:14.5px}

.orbit__vis{position:relative;aspect-ratio:1;display:grid;place-items:center}
.orbit__ring{
  position:absolute;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;
}
.orbit__ring--1{inset:30%;animation:spin 18s linear infinite}
.orbit__ring--2{inset:16%;border-color:rgba(255,46,99,.2);animation:spin 30s linear infinite reverse}
.orbit__ring--3{inset:2%;animation:spin 46s linear infinite}
.node{
  position:absolute;top:-5px;left:calc(50% - 5px);
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 16px rgba(255,46,99,.9);
}
.node--b{top:auto;bottom:-5px;background:var(--text);box-shadow:0 0 12px rgba(244,241,250,.6)}
.orbit__core{width:15%;filter:drop-shadow(0 0 34px rgba(255,46,99,.55))}

/* =========================================================
   SECURITY
   ========================================================= */
.sec{background:var(--surface);border-block:1px solid var(--line)}
.sec__in{
  max-width:var(--maxw);margin:0 auto;padding:clamp(90px,11vw,150px) var(--gutter);
  display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;
}
.sec__lead h2{font-size:clamp(28px,3.6vw,48px);max-width:14ch}
.sec__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:44px 40px}
.sec__item h3{font-size:17.5px;margin-bottom:12px;letter-spacing:-.01em}
.sec__item p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* =========================================================
   CONTACT
   ========================================================= */
.contact{padding:clamp(100px,12vw,170px) 0}
.contact__in{
  max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);
  display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start;
}
.contact__copy h2{font-size:clamp(30px,4.2vw,56px);max-width:12ch;margin-bottom:20px}
.contact__copy p{color:var(--muted);max-width:44ch;margin-bottom:28px}
.contact__mail{
  font-family:var(--f-mono);font-size:14px;color:var(--accent);
  text-decoration:none;border-bottom:1px solid rgba(255,46,99,.4);
  padding-bottom:3px;
}
.contact__mail:hover{border-bottom-color:var(--accent)}

.form{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--text)}
.field input,.field textarea{
  width:100%;
  font-family:var(--f-body);font-size:15px;
  color:var(--text);
  background:var(--surface);
  border:1px solid var(--line-strong);
  border-radius:var(--r);
  padding:14px 16px;
  transition:border-color .25s var(--ease),background .25s var(--ease);
  resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2)}
.field input:hover,.field textarea:hover{border-color:rgba(244,241,250,.3)}
.field input:focus,.field textarea:focus{border-color:var(--accent);background:var(--surface-2);outline-offset:1px}
.field.is-bad input,.field.is-bad textarea{border-color:#ff5b5b}
.err{
  font-size:12.5px;color:#ff8080;min-height:0;
  opacity:0;transform:translateY(-3px);
  transition:opacity .2s,transform .2s;
}
.field.is-bad .err{opacity:1;transform:none}

.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

.form__foot{flex-direction:row;align-items:center;gap:20px;flex-wrap:wrap;margin-top:4px}
.form__status{font-size:13.5px;color:var(--muted)}
.form__status.is-ok{color:#5ce6a8}
.form__status.is-bad{color:#ff8080}

.btn__spin{
  width:15px;height:15px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  display:none;animation:rot .7s linear infinite;
}
.btn.is-busy{pointer-events:none;opacity:.75}
.btn.is-busy .btn__spin{display:block}
@keyframes rot{to{transform:rotate(360deg)}}

/* =========================================================
   FOOTER
   ========================================================= */
.foot{border-top:1px solid var(--line);background:var(--surface)}
.foot__in{
  max-width:var(--maxw);margin:0 auto;padding:60px var(--gutter);
  display:grid;grid-template-columns:auto 1fr;gap:28px 60px;align-items:center;
}
.foot__logo{width:160px}
.foot__nav{display:flex;gap:28px;justify-content:flex-end;flex-wrap:wrap;font-size:14px}
.foot__nav a{color:var(--muted);text-decoration:none;transition:color .25s}
.foot__nav a:hover{color:var(--text)}
.foot__meta{grid-column:1/-1;color:var(--muted-2);font-size:13px;padding-top:24px;border-top:1px solid var(--line)}

/* =========================================================
   REVEAL BASE (JS adds .is-in)
   ========================================================= */
[data-rise],[data-cell],.sec__item{opacity:0;transform:translateY(26px)}
.is-in{opacity:1;transform:none}
[data-rise],[data-cell]{transition:opacity .75s var(--ease),transform .75s var(--ease)}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1100px){
  .hero__in{grid-template-columns:1fr;gap:48px}
  .hero__mark{max-width:380px;margin:0 auto;order:-1}
  .hero{padding-top:118px}
  .hero__sub{max-width:52ch}
  .orbit,.sec__in,.contact__in{grid-template-columns:1fr;gap:52px}
  .orbit__vis{max-width:420px;margin:0 auto;width:100%}
  .bento{grid-template-columns:repeat(2,1fr)}
  .cell--tall{grid-row:auto}
}

@media (max-width:860px){
  .nav__links{display:none}
  .nav__in > .btn--sm{display:none}
  .nav__burger{display:flex}
  .strip__in{grid-template-columns:1fr;gap:34px;padding-block:40px}
  .manifesto__body{grid-template-columns:1fr;gap:22px}
  .sec__grid{grid-template-columns:1fr;gap:34px}
  .foot__in{grid-template-columns:1fr;gap:24px}
  .foot__nav{justify-content:flex-start}
}

@media (max-width:680px){
  /* Keep the hero inside the first viewport: the mark shrinks, the CTAs split. */
  .hero{padding:100px 0 60px}
  .hero__in{gap:34px}
  .hero__mark{max-width:195px}
  .hero__sub{margin-bottom:30px}
  .hero__cta{gap:10px}
  .hero__cta .btn{flex:1 1 0;padding-inline:14px}

  .bento{grid-template-columns:1fr;gap:12px}
  .cell--wide{grid-column:auto}
  .cell{min-height:0;padding:26px 22px}
  .form{grid-template-columns:1fr}
  .orbit__list li{grid-template-columns:1fr;gap:4px}
  .day__track{height:auto;flex-direction:column;align-items:stretch;gap:14px;padding-block:90px}
  .panel{flex:1 1 auto;min-height:0;padding:30px 26px}
  .day__intro{padding-bottom:10px}
  .stack__card{min-height:0;position:static;margin-bottom:14px}
  .rollout{padding-bottom:30px}
}

/* =========================================================
   REDUCED MOTION  (MOTION_INTENSITY 8 -> collapses to static)
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-rise],[data-cell],.sec__item{opacity:1;transform:none}
  .hud__spin,.hud__ticks,.orbit__ring{animation:none}
  .hero__field{display:none}
  .day__track{height:auto;flex-direction:column;align-items:stretch;gap:14px;padding-block:90px;transform:none !important}
  .stack__card{position:static;min-height:0;margin-bottom:14px;transform:none !important;opacity:1 !important}
  .scanline{display:none}
}

@media (prefers-reduced-transparency:reduce){
  .nav.is-stuck{background:rgba(11,9,18,.98);backdrop-filter:none;-webkit-backdrop-filter:none}
  .mobilemenu{backdrop-filter:none}
}