/*
Theme Name: DeepBrain
Theme URI: https://deep-brain.net
Author: DeepBrain
Author URI: https://deep-brain.net
Description: Custom single-page theme for DeepBrain, a wearable focused-ultrasound neurotechnology company. Premium, investor-grade, fully self-contained. No build tools, no third-party CDNs beyond Google Fonts. Brand colours near-black and red (#F21B3F). Typography: Syne, DM Sans, JetBrains Mono.
Version: 4.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: All rights reserved
Text Domain: deepbrain
*/

/* =========================================================================
   DeepBrain design system
   - Light is the default surface; sections opt into .is-dark for dark mode.
   - Single accent: brand red (--pulse). Spend boldness on the brain only.
   - All clinical performance figures are framed as design targets in markup.
   ========================================================================= */

/* ---- Design tokens ---- */
:root{
  /* surfaces */
  --ink:#0A0A0B;          /* near-black, primary dark background */
  --ink-soft:#101216;     /* raised dark surface */
  --ink-raise:#171A1F;    /* card on dark */
  --paper:#FFFFFF;        /* light background */
  --mist:#F5F6F8;         /* off-white raised surface */
  --mist-2:#ECEEF2;       /* light card / hairline fill */

  /* brand accent */
  --pulse:#F21B3F;        /* brand red */
  --pulse-2:#FF3A57;      /* brighter red for glow */
  --pulse-soft:rgba(242,27,63,.12);
  --pulse-line:rgba(242,27,63,.30);

  /* text */
  --t-ink:#0A0A0B;        /* text on light */
  --t-ink-dim:#5C636C;    /* muted text on light */
  --t-paper:#F3F4F6;      /* text on dark */
  --t-paper-dim:#9097A0;  /* muted text on dark */

  /* lines */
  --line-light:rgba(10,10,11,.10);
  --line-dark:rgba(255,255,255,.12);

  /* type */
  --display:'Syne',ui-sans-serif,system-ui,sans-serif;
  --body:'DM Sans',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  /* rhythm */
  --pad:clamp(20px,5vw,40px);
  --maxw:1200px;
  --maxw-narrow:780px;
  --r:18px;          /* card radius */
  --r-lg:26px;       /* large panel radius */
  --r-pill:999px;

  /* motion */
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--t-ink);
  font-family:var(--body);font-size:17px;line-height:1.6;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--pulse);outline-offset:3px;border-radius:4px}
::selection{background:var(--pulse);color:#fff}

/* ---- Type scale ---- */
.display{font-family:var(--display);font-weight:800;line-height:.98;
  letter-spacing:-.02em}
.h1{font-size:clamp(2.15rem,5.2vw,3.68rem)}
.h2{font-family:var(--display);font-weight:800;line-height:1.02;text-wrap:balance;
  letter-spacing:-.018em;font-size:clamp(2rem,4.6vw,3.4rem)}
.h3{font-family:var(--display);font-weight:700;line-height:1.08;text-wrap:balance;
  letter-spacing:-.01em;font-size:clamp(1.3rem,2.4vw,1.7rem)}
.lead{font-size:clamp(1.1rem,1.7vw,1.34rem);line-height:1.5;text-wrap:pretty;color:var(--t-ink-dim);
  font-weight:400}
.is-dark .lead{color:var(--t-paper-dim)}

/* mono eyebrow: encodes a real data/process label, never decoration */
.eyebrow{font-family:var(--mono);font-weight:600;font-size:.72rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--pulse);
  display:inline-flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--pulse);
  display:inline-block}

/* ---- Layout ---- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(72px,11vw,140px);position:relative}
.section--tight{padding-block:clamp(48px,7vw,84px)}
.is-dark{background:var(--ink);color:var(--t-paper)}
.is-ink-soft{background:var(--ink-soft);color:var(--t-paper)}
.is-mist{background:var(--mist)}
.sec-head{max-width:720px;margin-bottom:clamp(36px,5vw,60px)}
.sec-head .lead{margin-top:18px}
.sec-head--center{margin-inline:auto;text-align:center}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-family:var(--body);font-weight:600;font-size:1rem;line-height:1;
  padding:.95em 1.5em;border-radius:var(--r-pill);
  transition:transform .25s var(--ease),background .25s var(--ease),
    color .25s var(--ease),box-shadow .25s var(--ease);will-change:transform}
.btn:active{transform:scale(.97)}
.btn--primary{background:var(--pulse);color:#fff;
  box-shadow:0 8px 26px -10px rgba(242,27,63,.7)}
.btn--primary:hover{background:var(--pulse-2);transform:translateY(-2px);
  box-shadow:0 16px 36px -12px rgba(242,27,63,.75)}
.btn--ghost{background:transparent;color:inherit;
  box-shadow:inset 0 0 0 1.5px var(--line-light)}
.is-dark .btn--ghost{box-shadow:inset 0 0 0 1.5px var(--line-dark)}
.btn--ghost:hover{box-shadow:inset 0 0 0 1.5px currentColor;transform:translateY(-2px)}
.btn--lg{padding:1.1em 1.9em;font-size:1.05rem}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}

/* =========================================================================
   Navigation
   ========================================================================= */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;--navh:74px;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),
    backdrop-filter .35s var(--ease)}
.nav__in{display:flex;align-items:center;justify-content:space-between;
  height:var(--navh);transition:height .35s var(--ease);max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.nav.is-stuck{--navh:62px;background:rgba(10,10,11,.72);backdrop-filter:saturate(160%) blur(16px);
  -webkit-backdrop-filter:saturate(160%) blur(16px);
  box-shadow:0 1px 0 var(--line-dark)}
.brand{display:flex;align-items:center;gap:.6em;font-family:var(--display);
  font-weight:800;font-size:1.32rem;letter-spacing:-.02em;color:#fff}
.brand img{height:30px;width:auto}
.brand .reg{font-size:.6em;vertical-align:super;font-weight:700;opacity:.7}
.nav__links{display:flex;align-items:center;gap:2rem}
.nav__links a{font-size:.95rem;font-weight:500;color:rgba(255,255,255,.82);
  transition:color .2s}
.nav__links a:hover{color:#fff}
.nav__cta{display:flex;align-items:center;gap:1rem}
.nav__burger{display:none;width:30px;height:30px;position:relative}
.nav__mobile{display:none}
.nav__burger span{position:absolute;left:3px;right:3px;height:2px;background:#fff;
  border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav__burger span:nth-child(1){top:9px}
.nav__burger span:nth-child(2){top:15px}
.nav__burger span:nth-child(3){top:21px}
.nav.is-open .nav__burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav.is-open .nav__burger span:nth-child(2){opacity:0}
.nav.is-open .nav__burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* =========================================================================
   Hero
   ========================================================================= */
.hero{position:relative;background:var(--ink);color:var(--t-paper);
  min-height:100svh;display:flex;align-items:center;
  padding-top:96px;padding-bottom:64px;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(24px,4vw,56px);
  align-items:center;width:100%}
.hero__copy{position:relative;z-index:3;max-width:620px}
.hero h1{margin:22px 0 0}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line > span{display:block}
.hero .accent{color:var(--pulse)}
.hero__sub{margin-top:24px;max-width:30ch}
.hero__cta{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__note{margin-top:20px;font-family:var(--mono);font-size:.72rem;
  letter-spacing:.04em;color:var(--t-paper-dim);display:flex;align-items:center;gap:.6em}
.hero__note b{color:var(--t-paper);font-weight:600}
.dot{width:7px;height:7px;border-radius:50%;background:var(--pulse);
  box-shadow:0 0 0 0 rgba(242,27,63,.6);animation:ping 2.4s var(--ease) infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(242,27,63,.55)}
  70%{box-shadow:0 0 0 9px rgba(242,27,63,0)}100%{box-shadow:0 0 0 0 rgba(242,27,63,0)}}

/* ambient glow behind hero brain */
.hero__glow{position:absolute;z-index:1;right:-6%;top:50%;transform:translateY(-50%);
  width:min(60vw,720px);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(242,27,63,.20),rgba(242,27,63,0) 62%);
  filter:blur(20px);pointer-events:none;
  animation:breathe 9s ease-in-out infinite}
@keyframes breathe{
  0%,100%{opacity:.85;transform:translateY(-50%) scale(1)}
  50%{opacity:1;transform:translateY(-50%) scale(1.05)}
}

/* =========================================================================
   Brain stage (signature interactive component)
   ========================================================================= */
.brain{position:relative;z-index:2;width:100%;aspect-ratio:1/1;
  max-width:560px;margin-inline:auto;touch-action:none}
.brain::before{content:"";position:absolute;inset:6% 6% 14%;z-index:-1;
  background:radial-gradient(circle at 50% 42%,rgba(242,27,63,.10),
    rgba(242,27,63,.04) 40%,transparent 68%);
  filter:blur(8px);pointer-events:none}
.brain canvas{width:100%;height:100%;cursor:grab}
.brain canvas:active{cursor:grabbing}
.brain__hud{position:absolute;left:0;bottom:0;display:flex;gap:8px;flex-wrap:wrap}
.brain__chip{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--t-paper-dim);
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);
  padding:.5em .8em;border-radius:var(--r-pill);
  transition:color .2s,border-color .2s,background .2s}
.brain__chip[aria-pressed="true"]{color:#fff;border-color:var(--pulse-line);
  background:var(--pulse-soft)}
.brain__chip .swatch{display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--pulse);margin-right:.5em;vertical-align:middle}
.brain__cap{position:absolute;right:0;top:0;text-align:right;
  font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;
  color:var(--t-paper-dim);max-width:180px;line-height:1.5}
.brain__cap b{display:block;color:#fff;font-size:.82rem;letter-spacing:.04em;
  margin-bottom:3px}

/* control rail */
.brain__rail{display:flex;align-items:center;gap:14px;margin-top:18px;
  flex-wrap:wrap;justify-content:center}
.range{appearance:none;-webkit-appearance:none;width:150px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--pulse) 0,var(--pulse) var(--fill,55%),
    rgba(255,255,255,.16) var(--fill,55%));outline:none}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;
  border-radius:50%;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.5);cursor:pointer}
.range::-moz-range-thumb{width:16px;height:16px;border:0;border-radius:50%;
  background:#fff;cursor:pointer}
.range-lab{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--t-paper-dim)}

/* =========================================================================
   Trust strip
   ========================================================================= */
.trust{border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);
  background:var(--ink)}
.trust__in{display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;padding-block:26px}
.trust__lab{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--t-paper-dim)}
.trust__items{display:flex;gap:30px;flex-wrap:wrap;align-items:center}
.trust__items span{font-family:var(--display);font-weight:700;font-size:1rem;
  color:rgba(255,255,255,.78)}

/* =========================================================================
   Stat band (problem)
   ========================================================================= */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,48px);
  align-items:start;border-top:1px solid var(--line-dark);padding-top:clamp(40px,5vw,64px)}
.stat .n{font-family:var(--display);font-weight:800;line-height:.92;
  font-variant-numeric:tabular-nums;
  font-size:clamp(2.6rem,6vw,4.4rem);letter-spacing:-.02em}
.stat .n .accent{color:var(--pulse)}
.stat .k{margin-top:12px;font-size:1.02rem;color:var(--t-paper-dim);max-width:30ch}

/* =========================================================================
   Steps (how it works)
   ========================================================================= */
.how__grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(28px,5vw,64px);
  align-items:center}
.steps{display:grid;gap:14px}
.step{position:relative;padding:24px 24px 24px 70px;border-radius:var(--r);
  background:var(--mist);border:1px solid var(--line-light);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s}
.is-dark .step{background:var(--ink-raise);border-color:var(--line-dark)}
.step:hover{transform:translateY(-3px);box-shadow:0 18px 40px -24px rgba(0,0,0,.5)}
.step__no{position:absolute;left:22px;top:24px;font-family:var(--mono);font-weight:600;
  font-size:.82rem;width:30px;height:30px;border-radius:50%;display:grid;
  place-items:center;color:var(--pulse);border:1.5px solid var(--pulse-line)}
.step h3{margin-bottom:8px}
.step p{font-size:.98rem;color:var(--t-ink-dim)}
.is-dark .step p{color:var(--t-paper-dim)}
.step__tag{margin-top:12px;display:inline-block;font-family:var(--mono);
  font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--t-ink-dim);background:var(--mist-2);padding:.4em .7em;border-radius:6px}
.is-dark .step__tag{color:var(--t-paper-dim);background:rgba(255,255,255,.05)}

/* =========================================================================
   Product / interactive app demo
   ========================================================================= */
.product__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,72px);
  align-items:center}
.feat{display:grid;gap:18px;margin-top:30px}
.feat li{display:flex;gap:14px;align-items:flex-start}
.feat .ic{flex:0 0 auto;width:40px;height:40px;border-radius:11px;display:grid;
  place-items:center;background:var(--pulse-soft);color:var(--pulse)}
.feat .ic svg{width:20px;height:20px}
.feat h3{font-family:var(--display);font-weight:700;font-size:1.08rem;margin-bottom:3px}
.feat p{font-size:.96rem;color:var(--t-ink-dim)}
.is-dark .feat p{color:var(--t-paper-dim)}

/* phone */
.phone-wrap{display:flex;justify-content:center}
.phone{position:relative;width:300px;height:614px;border-radius:46px;
  background:linear-gradient(160deg,#16181d,#0b0c0f);
  box-shadow:0 44px 88px -42px rgba(0,0,0,.72),0 14px 30px -16px rgba(0,0,0,.55),
    inset 0 0 0 1px rgba(255,255,255,.06),
    0 0 0 11px #050506,0 0 0 12px rgba(255,255,255,.05);
  padding:11px}
.phone__screen{position:relative;width:100%;height:100%;border-radius:36px;
  overflow:hidden;color:#fff;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#101319 0%,#0A0A0B 38%,#08090C 100%)}
.phone__notch{position:absolute;top:9px;left:50%;transform:translateX(-50%);
  width:108px;height:26px;background:#050506;border-radius:14px;z-index:6}
.phone__status{display:flex;align-items:center;justify-content:space-between;
  padding:13px 22px 6px;font-family:var(--mono);font-size:.64rem;
  letter-spacing:.04em;color:rgba(255,255,255,.85);z-index:5}
.phone__status .sig{display:flex;gap:3px;align-items:flex-end;height:10px}
.phone__status .sig i{width:3px;background:rgba(255,255,255,.85);border-radius:1px}
.phone__status .sig i:nth-child(1){height:4px}
.phone__status .sig i:nth-child(2){height:6px}
.phone__status .sig i:nth-child(3){height:8px}
.phone__status .sig i:nth-child(4){height:10px}

.app{flex:1;position:relative;overflow:hidden}
.screen{position:absolute;inset:0;padding:14px 18px 0;opacity:0;
  transform:translateY(10px);pointer-events:none;
  transition:opacity .4s var(--ease),transform .4s var(--ease)}
.screen.is-active{opacity:1;transform:none;pointer-events:auto}
.screen__title{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(255,255,255,.5)}
.screen h4{font-family:var(--display);font-weight:700;font-size:1.18rem;
  margin:4px 0 0;letter-spacing:-.01em}

/* session ring */
.ring-wrap{display:flex;flex-direction:column;align-items:center;
  justify-content:center;flex:0 0 auto;margin-top:18px}
.ring{position:relative;width:188px;height:188px}
.ring svg{transform:rotate(-90deg)}
.ring__t{position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center}
.ring__time{font-family:var(--display);font-weight:800;font-size:2.2rem;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.ring__sub{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(255,255,255,.55);margin-top:2px}
.sess-target{margin-top:18px;width:100%;display:flex;align-items:center;
  justify-content:space-between;border-radius:14px;padding:12px 14px;background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.09);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 8px 20px -16px rgba(0,0,0,.8)}
.sess-target .lab{font-family:var(--mono);font-size:.58rem;letter-spacing:.12em;
  text-transform:uppercase;color:rgba(255,255,255,.5)}
.sess-target .val{font-family:var(--display);font-weight:700;font-size:.96rem;margin-top:2px}
.sess-target .pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--pulse);
  box-shadow:0 0 12px 2px rgba(242,27,63,.6)}
.sess-play{margin:16px auto 0;width:58px;height:58px;border-radius:50%;
  background:radial-gradient(circle at 38% 32%,#ff6076,var(--pulse) 70%);
  display:grid;place-items:center;
  box-shadow:0 10px 26px -8px rgba(242,27,63,.8),inset 0 1px 0 rgba(255,255,255,.3);
  transition:transform .2s}
.sess-play:active{transform:scale(.92)}
.sess-play svg{width:22px;height:22px;fill:#fff}

/* guidance reticle */
.guide{margin-top:16px;position:relative;height:300px;border-radius:18px;
  background:radial-gradient(120% 120% at 50% 28%,#171b22,#0a0b0e 75%);
  border:1px solid rgba(255,255,255,.08);overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.head-top{position:absolute;left:50%;top:52%;transform:translate(-50%,-50%);
  width:150px;height:182px;border-radius:50% 50% 48% 48%;
  border:1.5px solid rgba(255,255,255,.16)}
.head-top::before{content:"";position:absolute;left:50%;top:8%;bottom:8%;
  width:1px;background:rgba(255,255,255,.10);transform:translateX(-50%)}
/* faint scan grid + concentric targeting rings behind the outline */
.guide::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/100% 22px,
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/22px 100%;
  mask:radial-gradient(circle at 50% 46%,#000 55%,transparent 78%);
  -webkit-mask:radial-gradient(circle at 50% 46%,#000 55%,transparent 78%)}
.guide::after{content:"";position:absolute;left:50%;top:46%;
  width:230px;height:230px;transform:translate(-50%,-50%);pointer-events:none;
  border-radius:50%;
  background:
    radial-gradient(circle,transparent 38%,rgba(242,27,63,.10) 39%,transparent 41%),
    radial-gradient(circle,transparent 56%,rgba(242,27,63,.07) 57%,transparent 59%)}
.reticle{position:absolute;width:46px;height:46px;border-radius:50%;
  border:2px solid var(--pulse);left:42%;top:38%;
  box-shadow:0 0 18px 2px rgba(242,27,63,.5),inset 0 0 10px rgba(242,27,63,.3);
  transition:left .9s var(--ease),top .9s var(--ease),border-color .3s}
.reticle::before,.reticle::after{content:"";position:absolute;background:var(--pulse)}
.reticle::before{left:50%;top:-8px;bottom:-8px;width:1.5px;transform:translateX(-50%)}
.reticle::after{top:50%;left:-8px;right:-8px;height:1.5px;transform:translateY(-50%)}
.guide__state{position:absolute;left:0;right:0;bottom:14px;text-align:center;
  font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--pulse)}
.guide__state.locked{color:#4ade80}

/* signals */
.sig-card{margin-top:14px;border-radius:16px;padding:14px;background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.09);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 8px 20px -16px rgba(0,0,0,.8)}
.sig-card + .sig-card{margin-top:12px}
.sig-card .row{display:flex;align-items:center;justify-content:space-between;
  margin-bottom:8px}
.sig-card .name{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(255,255,255,.6)}
.sig-card .read{font-family:var(--display);font-weight:700;font-size:1rem;
  font-variant-numeric:tabular-nums;white-space:nowrap}
.sig-card canvas{width:100%;height:54px}
.loop-pill{margin-top:14px;display:flex;align-items:center;gap:8px;
  justify-content:center;text-align:center;font-family:var(--mono);font-size:.6rem;letter-spacing:.1em;
  text-transform:uppercase;color:rgba(255,255,255,.7)}
.loop-pill .pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--pulse);
  animation:ping 2s infinite}

/* insights */
.ins-stat{display:flex;gap:10px;margin-top:16px}
.ins-stat .box{flex:1;border-radius:14px;padding:13px 12px;background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.09);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 8px 20px -16px rgba(0,0,0,.8)}
.ins-stat .v{font-family:var(--display);font-weight:800;font-size:1.5rem;
  letter-spacing:-.02em}
.ins-stat .v .accent{color:var(--pulse)}
.ins-stat .l{font-family:var(--mono);font-size:.54rem;letter-spacing:.1em;
  text-transform:uppercase;color:rgba(255,255,255,.5);margin-top:4px}
.bars{margin-top:16px;display:flex;align-items:flex-end;gap:7px;height:88px;
  padding:14px;border-radius:16px;background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.09);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 8px 20px -16px rgba(0,0,0,.8)}
.bars i{flex:1;background:linear-gradient(180deg,#ff5a6e,var(--pulse) 55%,rgba(242,27,63,.25));
  border-radius:5px 5px 2px 2px;min-height:6px;transition:height .7s var(--ease);
  box-shadow:0 0 10px -2px rgba(242,27,63,.5)}
.bars-x{display:flex;gap:7px;padding:6px 14px 0;font-family:var(--mono);
  font-size:.5rem;letter-spacing:.06em;color:rgba(255,255,255,.4)}
.bars-x span{flex:1;text-align:center}

/* tab bar */
.tabbar{display:flex;gap:2px;border-top:1px solid rgba(255,255,255,.07);
  padding:8px 8px calc(8px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(8,9,12,.6),#050506)}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:8px 0;border-radius:13px;color:rgba(255,255,255,.45);
  font-family:var(--mono);font-size:.5rem;letter-spacing:.08em;text-transform:uppercase;
  transition:color .25s,background .25s,box-shadow .25s}
.tabbar button svg{width:21px;height:21px;stroke:currentColor;fill:none;
  stroke-width:1.7}
.tabbar button.is-active{color:#fff;
  background:linear-gradient(180deg,rgba(242,27,63,.16),rgba(242,27,63,.06));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10)}
.tabbar button.is-active svg{stroke:var(--pulse)}
.app-hint{margin-top:18px;text-align:center;font-family:var(--mono);font-size:.66rem;
  letter-spacing:.08em;color:var(--t-paper-dim)}

/* =========================================================================
   Why / comparison
   ========================================================================= */
.compare{width:100%;border:1px solid var(--line-light);border-radius:var(--r-lg);
  overflow:hidden;background:var(--paper)}
.is-dark .compare{background:var(--ink-soft);border-color:var(--line-dark)}
.compare__row{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;
  align-items:center}
.compare__row + .compare__row{border-top:1px solid var(--line-light)}
.is-dark .compare__row + .compare__row{border-top:1px solid var(--line-dark)}
.compare__row > div{padding:16px 14px;font-size:.9rem}
.compare__row .rh{font-weight:600;font-size:.92rem}
.compare__head{background:var(--mist)}
.is-dark .compare__head{background:rgba(255,255,255,.03)}
.compare__head > div{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--t-ink-dim);font-weight:600;text-align:center}
.is-dark .compare__head > div{color:var(--t-paper-dim)}
.compare__head .rh{text-align:left}
.compare__row .c{text-align:center;font-family:var(--mono);font-size:.95rem}
.compare__row .c.no{color:#c4423c}
.compare__row .c.mid{color:var(--t-ink-dim)}
.is-dark .compare__row .c.mid{color:var(--t-paper-dim)}
.compare__col-us{background:var(--pulse-soft)}
.compare__row .c.yes{color:var(--pulse);font-weight:700}
.compare__us-lab{color:var(--pulse)!important}
.note{margin-top:18px;font-family:var(--mono);font-size:.7rem;letter-spacing:.02em;
  color:var(--t-ink-dim);display:flex;gap:.6em;align-items:flex-start;max-width:70ch}
.is-dark .note{color:var(--t-paper-dim)}
.note::before{content:"*";color:var(--pulse);font-size:1rem;line-height:1}

/* =========================================================================
   Safety by design
   ========================================================================= */
.safe{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,3vw,24px)}
.safe-card{padding:26px;border-radius:var(--r);background:var(--ink-raise);
  border:1px solid var(--line-dark);display:flex;gap:18px;align-items:flex-start}
.safe-card .ic{flex:0 0 auto;width:42px;height:42px;border-radius:12px;display:grid;
  place-items:center;background:var(--pulse-soft);color:var(--pulse)}
.safe-card .ic svg{width:21px;height:21px}
.safe-card h3{font-family:var(--display);font-weight:700;font-size:1.06rem;
  margin-bottom:6px}
.safe-card p{font-size:.94rem;color:var(--t-paper-dim)}

/* =========================================================================
   Roadmap
   ========================================================================= */
.road{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,28px);
  position:relative}
.road::before{content:"";position:absolute;left:0;right:0;top:46px;height:1px;
  background:var(--line-light)}
.is-dark .road::before{background:var(--line-dark)}
.phase{position:relative;padding-top:78px}
.phase__dot{position:absolute;top:39px;left:0;width:15px;height:15px;border-radius:50%;
  background:var(--paper);border:2px solid var(--pulse);z-index:2}
.is-dark .phase__dot{background:var(--ink)}
.phase__t{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--pulse);margin-bottom:10px}
.phase h3{font-family:var(--display);font-weight:700;font-size:1.16rem;margin-bottom:8px}
.phase p{font-size:.94rem;color:var(--t-ink-dim)}
.is-dark .phase p{color:var(--t-paper-dim)}

/* =========================================================================
   Team
   ========================================================================= */
.team{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(12px,2vw,20px)}
.member{position:relative;border-radius:var(--r);overflow:hidden;
  background:var(--ink-raise);border:1px solid var(--line-dark);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.member:hover{transform:translateY(-5px);
  box-shadow:0 30px 60px -34px rgba(0,0,0,.7)}
.member__ph{aspect-ratio:1;overflow:hidden}
.member__ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.02);
  transition:filter .5s var(--ease),transform .6s var(--ease)}
.member:hover .member__ph img{filter:grayscale(0);transform:scale(1.04)}
.member__b{padding:14px 14px 18px}
.member__n{font-family:var(--display);font-weight:700;font-size:1rem;line-height:1.15}
.member__r{margin-top:5px;font-size:.78rem;color:var(--t-paper-dim);line-height:1.35}
.member__org{margin-top:6px;font-family:var(--mono);font-size:.58rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--pulse)}
.advisors{margin-top:42px;border-top:1px solid var(--line-dark);padding-top:34px}
.advisors__lab{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--t-paper-dim);margin-bottom:18px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;flex-direction:column;padding:11px 16px;border-radius:14px;
  background:var(--ink-raise);border:1px solid var(--line-dark)}
.chip b{font-family:var(--display);font-weight:700;font-size:.92rem}
.chip span{font-family:var(--mono);font-size:.58rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--t-paper-dim);margin-top:3px}

/* =========================================================================
   FAQ
   ========================================================================= */
.faq{max-width:var(--maxw-narrow);margin-inline:auto}
.qa{border-bottom:1px solid var(--line-light)}
.is-dark .qa{border-bottom:1px solid var(--line-dark)}
.qa__q{width:100%;text-align:left;display:flex;align-items:center;
  justify-content:space-between;gap:20px;padding:24px 0;font-family:var(--display);
  font-weight:700;font-size:clamp(1.04rem,1.7vw,1.2rem);letter-spacing:-.01em}
.qa__ic{flex:0 0 auto;width:26px;height:26px;position:relative}
.qa__ic::before,.qa__ic::after{content:"";position:absolute;background:var(--pulse);
  border-radius:2px;transition:transform .3s var(--ease)}
.qa__ic::before{left:0;right:0;top:12px;height:2px}
.qa__ic::after{top:0;bottom:0;left:12px;width:2px}
.qa.is-open .qa__ic::after{transform:scaleY(0)}
.qa__a{overflow:hidden;max-height:0;transition:max-height .4s var(--ease)}
.qa__a p{padding:0 0 24px;color:var(--t-ink-dim);max-width:64ch;font-size:1rem}
.is-dark .qa__a p{color:var(--t-paper-dim)}

/* =========================================================================
   Waitlist CTA
   ========================================================================= */
.cta{position:relative;overflow:hidden}
.cta__glow{position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(60% 90% at 50% 0%,rgba(242,27,63,.16),rgba(242,27,63,0) 70%)}
.cta__in{position:relative;z-index:1;text-align:center;max-width:680px;
  margin-inline:auto}
.cta h2{margin-bottom:18px}
.wl{margin-top:30px;display:flex;gap:10px;max-width:480px;margin-inline:auto;
  flex-wrap:wrap}
.wl input{flex:1;min-width:200px;padding:1.05em 1.3em;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1.5px solid var(--line-dark);color:#fff;
  font-family:var(--body);font-size:1rem;transition:border-color .25s}
.wl input::placeholder{color:var(--t-paper-dim)}
.wl input:focus{outline:none;border-color:var(--pulse-line)}
.wl .btn{flex:0 0 auto}
.wl__msg{margin-top:16px;font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;
  min-height:1.2em;color:#4ade80;opacity:0;transform:translateY(4px);
  transition:opacity .35s,transform .35s}
.wl__msg.show{opacity:1;transform:none}
.cta__fine{margin-top:14px;font-family:var(--mono);font-size:.64rem;letter-spacing:.06em;
  color:var(--t-paper-dim)}

/* =========================================================================
   Footer
   ========================================================================= */
.foot{background:#050506;color:var(--t-paper);border-top:1px solid var(--line-dark)}
.foot__in{display:flex;align-items:center;justify-content:space-between;gap:24px;
  flex-wrap:wrap;padding-block:34px}
.foot .brand{font-size:1.1rem}
.foot__meta{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;
  color:var(--t-paper-dim)}
.foot__soc a{display:inline-grid;place-items:center;width:40px;height:40px;
  border-radius:50%;border:1px solid var(--line-dark);transition:border-color .25s,
  background .25s,transform .25s}
.foot__soc a:hover{border-color:var(--pulse-line);background:var(--pulse-soft);
  transform:translateY(-2px)}
.foot__soc svg{width:18px;height:18px;fill:currentColor}

/* =========================================================================
   Scroll reveal + motion preferences
   ========================================================================= */
.reveal{transition:opacity .85s var(--ease-out),transform .85s var(--ease-out)}
.js .reveal{opacity:0;transform:translateY(16px)}
.js .reveal.in,.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;
    animation-iteration-count:1!important;transition-duration:.001ms!important;
    scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width:1080px){
  .team{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:920px){
  .nav__links{display:none}
  .nav__cta .btn--ghost{display:none}
  .nav__burger{display:block}
  .nav__mobile{display:flex;position:fixed;inset:var(--navh) 0 auto 0;background:rgba(10,10,11,.97);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line-dark);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .3s var(--ease),transform .3s var(--ease);
    padding:8px var(--pad) 26px;flex-direction:column;gap:4px;z-index:55}
  .nav.is-open .nav__mobile{opacity:1;transform:none;pointer-events:auto}
  .nav__mobile a{padding:15px 0;font-size:1.1rem;font-weight:500;color:#fff;
    border-bottom:1px solid var(--line-dark)}
  .nav__mobile .btn{margin-top:16px}
  .hero__grid{grid-template-columns:1fr;gap:8px}
  .hero{min-height:auto;padding-top:120px}
  .hero__copy{order:2;text-align:center;margin-inline:auto}
  .hero .eyebrow{justify-content:center}
  .hero__sub{margin-inline:auto}
  .hero__cta,.hero__note{justify-content:center}
  .brain{order:1;max-width:420px;aspect-ratio:auto}
  .brain canvas{aspect-ratio:1/1}
  .brain__cap{display:none}
  .brain__hud{position:static;transform:none;justify-content:center;margin-top:10px}
  .how__grid,.product__grid{grid-template-columns:1fr;gap:40px}
  .product .phone-wrap{order:-1}
  .safe{grid-template-columns:1fr}
  .road{grid-template-columns:1fr;gap:34px}
  .road::before{display:none}
  .phase{padding-top:0;padding-left:30px}
  .phase__dot{top:5px;left:0}
  .phase::before{content:"";position:absolute;left:7px;top:18px;bottom:-34px;width:1px;
    background:var(--line-light)}
  .is-dark .phase::before{background:var(--line-dark)}
  .phase:last-child::before{display:none}
}
@media (max-width:680px){
  .stats{grid-template-columns:1fr;gap:30px}
  .team{grid-template-columns:repeat(2,1fr)}
  .trust__in{flex-direction:column;align-items:flex-start;gap:16px}
  .compare{overflow-x:auto}
  .compare__inner{min-width:620px}
}

@media (max-width:600px){
  .nav__cta .btn--primary{display:none}
}