:root{
  --brand-name: "Hawky";

  /* surfaces */
  --bg:        #0B0D10;
  --bg-elev:   #14181D;
  --bg-elev-2: #1C2229;
  /* text */
  --text:      #EDEFF2;
  --muted:     #9AA4B0;
  --faint:     #6B7682;
  /* lines */
  --line:      #262C34;
  --line-2:    #353D47;
  /* accents */
  --accent:     #F5A524;
  --accent-2:   #38BDF8;
  --accent-ink: #1A1205;
  --accent-soft:#3A2A0E;
  /* status */
  --good:  #4ADE80;
  --warn:  #F5A524;
  --info:  #38BDF8;
  /* geometry */
  --radius:    14px;
  --radius-sm: 8px;
  --radius-lg: 22px;
  --maxw:      1200px;
  --gutter:    24px;
  --ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);

  /* type */
  --font-display:"DM Sans", system-ui, -apple-system, sans-serif;
  --font-body:"DM Sans", system-ui, -apple-system, sans-serif;
  --font-mono:'Fira Code', ui-monospace, 'JetBrains Mono', monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:1.0625rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* ambient background wash — amber-forward, no purple, no neon bloom */
body::before{
  content:"";
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(900px 600px at 78% -8%, color-mix(in srgb,var(--accent) 9%, transparent), transparent 60%),
    radial-gradient(720px 520px at 6% 12%, color-mix(in srgb,var(--accent-2) 6%, transparent), transparent 55%);
}

h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.01em;line-height:1.1;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img,video,svg{max-width:100%;display:block}

::selection{background:color-mix(in srgb,var(--accent) 32%, transparent);color:var(--text)}

/* ---------- shared layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.section{padding-block:clamp(72px,10vw,128px)}
.sec-head{max-width:760px;margin-bottom:clamp(36px,5vw,60px)}
.sec-head h2{font-size:clamp(2rem,4vw,3rem);font-weight:500}
.sec-head .lede{color:var(--muted);margin-top:16px;font-size:1.0625rem;max-width:640px}

/* focus visibility everywhere */
a:focus-visible,button:focus-visible,
.nav__link:focus-visible,.chip:focus-visible{
  outline:none;box-shadow:var(--ring);border-radius:var(--radius-sm);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-body);font-weight:500;font-size:0.95rem;
  padding:12px 20px;border-radius:var(--radius-sm);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn svg{width:16px;height:16px}
.btn--primary{background:var(--accent);color:var(--accent-ink);font-weight:600}
.btn--primary:hover{transform:translateY(-2px);background:#ffb53a}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
@media (prefers-reduced-motion: reduce){.btn:hover{transform:none}}

/* ---------- skip link ---------- */
.skip{
  position:absolute;left:14px;top:-60px;z-index:200;
  background:var(--accent);color:var(--accent-ink);font-weight:600;
  padding:10px 16px;border-radius:var(--radius-sm);transition:top .2s;
}
.skip:focus{top:14px}

/* ---------- header / nav ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--bg) 78%, transparent);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:24px;height:66px}
.nav__brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0}
.nav__brand-icon{width:30px;height:30px;border-radius:8px;display:block;box-shadow:0 0 0 1px var(--line-2)}
.nav__brand-name{font-family:var(--font-display);font-weight:600;font-size:1.32rem;letter-spacing:-.01em;line-height:1}
.nav__links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__link{
  position:relative;color:var(--muted);font-size:0.92rem;font-weight:500;
  padding:8px 12px;border-radius:var(--radius-sm);transition:color .16s ease;
}
.nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1.5px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav__link:hover{color:var(--text)}
.nav__link:hover::after,.nav__link[aria-current="true"]::after{transform:scaleX(1)}
.nav__link[aria-current="true"]{color:var(--text)}
.nav__gh{display:inline-flex;align-items:center;gap:7px;color:var(--muted);
  padding:8px 12px;border-radius:var(--radius-sm);transition:color .16s}
.nav__gh:hover{color:var(--text)}
.nav__gh svg{width:18px;height:18px}
.nav__cta{margin-left:6px}
.nav__toggle{
  display:none;margin-left:auto;background:transparent;border:1px solid var(--line-2);
  color:var(--text);border-radius:var(--radius-sm);width:42px;height:42px;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav__toggle svg{width:20px;height:20px}

@media (max-width:860px){
  .nav__links{
    position:fixed;inset:66px 0 auto 0;flex-direction:column;align-items:stretch;
    background:var(--bg);border-bottom:1px solid var(--line);gap:0;
    padding:10px var(--gutter) 18px;margin-left:0;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .18s, transform .18s;
  }
  .nav__links.open{transform:none;opacity:1;pointer-events:auto}
  .nav__link,.nav__gh{padding:13px 8px;font-size:1rem;border-bottom:1px solid var(--line)}
  .nav__link::after{display:none}
  .nav__cta{margin:12px 8px 0}
  .nav__cta .btn{width:100%;justify-content:center}
  .nav__toggle{display:inline-flex}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden}
.hero__grid{
  display:grid;grid-template-columns:1.15fr 0.85fr;gap:clamp(32px,5vw,64px);
  align-items:center;padding-block:clamp(56px,8vw,104px);
}
.hero h1{
  font-size:clamp(2.6rem,6vw,4.5rem);font-weight:500;line-height:0.98;
  margin:0 0 10px;letter-spacing:-.01em;
}
.hero__tagline{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(1.25rem,2.5vw,1.7rem);line-height:1.22;letter-spacing:-.01em;
  margin:18px 0 0;max-width:30ch;
}
.hero__tagline .hl{color:var(--accent)}
.hero__sub{color:var(--muted);margin-top:20px;max-width:46ch}
.hero__ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__qr-codes{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.hero__qr{display:flex;flex-direction:column;align-items:center;gap:10px;padding:12px;border:1px solid var(--line-2);border-radius:14px;text-decoration:none;color:var(--text)}
.hero__qr:hover{border-color:var(--accent)}
.hero__qr:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.hero__qr img{display:block;width:116px;height:116px;padding:8px;background:#fff;border-radius:4px;image-rendering:pixelated}
.hero__qr strong{font-size:15px;font-weight:600;line-height:1.4}
.hero__chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:0.72rem;letter-spacing:0;
  color:var(--muted);background:var(--bg-elev);border:1px solid var(--line);
  padding:7px 12px;border-radius:999px;
}
.chip svg{width:13px;height:13px;color:var(--accent)}

/* device mockup */
.hero__device{position:relative;display:flex;justify-content:center;align-items:center;min-height:0}
.hero__rings{
  position:absolute;inset:-6% -10%;z-index:0;pointer-events:none;
  display:grid;place-items:center;opacity:.85;
}
.hero__rings svg{width:118%;height:auto;max-width:none}
.ring-rot{transform-origin:center;animation:spin 46s linear infinite}
.ring-rot--rev{animation:spin 64s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){.ring-rot,.ring-rot--rev{animation:none}}

.phone{
  position:relative;z-index:1;width:min(290px,72vw);
  border-radius:42px;padding:10px;
  background:linear-gradient(160deg,#23282f,#0e1115);
  border:1px solid var(--line-2);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(0,0,0,.4),
    inset 0 1px 0 rgba(255,255,255,.05);
}
.phone__screen{
  position:relative;border-radius:33px;overflow:hidden;
  background:#000;aspect-ratio:1206/2622;
}
.phone__screen img{width:100%;height:100%;object-fit:cover;display:block}
.phone__notch{
  position:absolute;top:11px;left:50%;transform:translateX(-50%);
  width:92px;height:24px;background:#000;border-radius:14px;z-index:2;
}
.phone__live{
  position:absolute;left:14px;top:42px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:0.62rem;letter-spacing:0;
  background:color-mix(in srgb,var(--bg) 64%,transparent);
  border:1px solid color-mix(in srgb,var(--good) 40%,transparent);
  color:var(--good);padding:4px 9px;border-radius:999px;backdrop-filter:blur(6px);
}
.phone__live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--good);
  animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (prefers-reduced-motion: reduce){.phone__live::before{animation:none}}

/* ---------- Hero launch intro animation (ported from the iOS HawkyIntroView) ----------
   PERF RULE: only transform + opacity are animated. The glow is a radial-gradient
   element (scale/opacity), never a per-frame blur/filter/shadow. */
.hero__logo{
  position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;
  gap:clamp(18px,3vw,30px);width:min(300px,72vw);
}

/* stage holds glow + icon + sweep + sparks, all centered on the icon */
.hero__iconstage{
  position:relative;display:grid;place-items:center;
  width:min(216px,54vw);aspect-ratio:1;
}

/* warm radial glow that blooms in (BEAT 1) then breathes (HOLD) */
.hero__glow{
  position:absolute;z-index:0;width:180%;height:180%;border-radius:50%;
  pointer-events:none;
  background:radial-gradient(circle at 50% 50%,
    rgba(255,212,117,.55) 0%,         /* gold #FFD475 */
    rgba(245,168,69,.42) 26%,         /* amber #F5A845 */
    rgba(255,133,62,.22) 48%,         /* ember #FF853E */
    rgba(255,133,62,0) 72%);
  opacity:0;transform:scale(.5);
  animation:glowBloom .7s cubic-bezier(.2,.7,.3,1) forwards,
            glowBreathe 5.6s ease-in-out 1.6s infinite;
}
@keyframes glowBloom{ from{opacity:0;transform:scale(.5)} to{opacity:.9;transform:scale(1)} }
/* breathing only nudges scale around the settled state; opacity held high */
@keyframes glowBreathe{ 0%,100%{opacity:.86;transform:scale(1)} 50%{opacity:.92;transform:scale(1.04)} }

/* a brief secondary flare at the flourish (BEAT 2c) */
.hero__flare{
  position:absolute;z-index:0;width:150%;height:150%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,
    rgba(255,242,219,.5) 0%, rgba(255,212,117,.28) 30%, rgba(255,212,117,0) 60%);
  opacity:0;transform:scale(.7);
  animation:flarePop .5s ease-out .55s forwards;
}
@keyframes flarePop{ 0%{opacity:0;transform:scale(.7)} 40%{opacity:.85;transform:scale(1.06)} 100%{opacity:0;transform:scale(1.18)} }

/* the app tile — rounded-square look + soft shadow; pulls in (BEAT 1) */
.hero__mark{
  position:relative;z-index:2;width:100%;height:auto;display:block;border-radius:22%;
  box-shadow:0 34px 80px -26px rgba(0,0,0,.85), 0 0 0 1px var(--line-2);
  opacity:0;transform:translateY(26px) scale(.82);
  animation:iconPull .7s cubic-bezier(.18,.74,.3,1.12) forwards;
}
@keyframes iconPull{ from{opacity:0;transform:translateY(26px) scale(.82)} to{opacity:1;transform:translateY(0) scale(1)} }

/* specular light sweep — diagonal cream band, clipped to the icon's rounded square (BEAT 2a) */
.hero__sweep{
  position:absolute;z-index:3;inset:0;width:100%;height:100%;
  border-radius:22%;overflow:hidden;pointer-events:none;
  mix-blend-mode:plus-lighter;opacity:0;
  animation:sweepShow .01s linear .55s forwards;
}
.hero__sweep::before{
  content:"";position:absolute;top:-25%;left:-60%;width:50%;height:150%;
  background:linear-gradient(105deg,
    rgba(255,242,219,0) 0%, rgba(255,242,219,.85) 50%, rgba(255,242,219,0) 100%);
  transform:translateX(-40%) rotate(8deg);
  animation:sweepMove .62s cubic-bezier(.4,0,.2,1) .55s forwards;
}
@keyframes sweepShow{ to{opacity:1} }
@keyframes sweepMove{ from{transform:translateX(-40%) rotate(8deg)} to{transform:translateX(360%) rotate(8deg)} }

/* ember spark burst — 16 capsules shot radially from the icon edge (BEAT 2b).
   Per-spark angle/distance/size/delay come from inline custom props set in JS. */
.hero__sparks{position:absolute;z-index:1;inset:0;pointer-events:none}
.hero__spark{
  position:absolute;left:50%;top:50%;
  width:var(--sw,7px);height:var(--sh,3px);border-radius:999px;
  background:linear-gradient(90deg, var(--sc,#FFD475), rgba(255,133,62,0));
  opacity:0;
  transform:translate(-50%,-50%) rotate(var(--a,0deg)) translateX(0) scale(.6);
  animation:sparkFly var(--sd,.6s) cubic-bezier(.22,.7,.25,1) var(--sdl,.56s) forwards;
}
@keyframes sparkFly{
  0%{opacity:0;transform:translate(-50%,-50%) rotate(var(--a,0deg)) translateX(8px) scale(.5)}
  18%{opacity:1}
  100%{opacity:0;transform:translate(-50%,-50%) rotate(var(--a,0deg)) translateX(var(--dist,90px)) scale(1)}
}

/* "Hawky" wordmark rises in below the icon (BEAT 3) */
.hero__logoname{
  font-family:var(--font-display);font-weight:600;letter-spacing:-.01em;
  font-size:clamp(2.1rem,7vw,3.1rem);line-height:1;color:var(--text);
  opacity:0;transform:translateY(10px);
  animation:wordRise .55s cubic-bezier(.2,.7,.3,1) .78s forwards;
}
@keyframes wordRise{ to{opacity:1;transform:translateY(0)} }

/* allow click-to-replay: re-running the sequence by toggling a class */
.hero__iconstage{cursor:pointer}

/* REDUCED MOTION: no sweep / sparks / breathing — just fade icon + wordmark to final state */
@media (prefers-reduced-motion: reduce){
  .hero__glow{animation:none;opacity:.88;transform:scale(1)}
  .hero__flare,.hero__sweep,.hero__sweep::before,.hero__sparks{animation:none;display:none}
  .hero__mark{animation:none;opacity:1;transform:none}
  .hero__logoname{animation:none;opacity:1;transform:none}
  .hero__iconstage{cursor:default}
}

@media (max-width:860px){
  .hero__grid{grid-template-columns:1fr;text-align:left;padding-block:clamp(32px,7vw,56px) clamp(40px,8vw,72px)}
  /* keep H1 + tagline + CTAs above the device so the phone visitor
     first sees the product name and value prop, not another app's screenshot */
  .hero__device{order:0;margin-top:24px}
  .hero__logo{width:min(230px,60vw)}
  .hero__iconstage{width:min(190px,56vw)}
  .hero__tagline,.hero__sub{max-width:none}
}

/* ---------- ways to try ---------- */
.tryband{border-block:1px solid var(--line);background:var(--bg-elev);padding-block:clamp(48px,7vw,76px)}
.tryhead{max-width:760px;margin-bottom:28px}
.tryhead h2{font-size:clamp(1.8rem,3.8vw,2.6rem);font-weight:500}
.tryhead>p:last-child{color:var(--muted);margin-top:14px;max-width:68ch}
.trygrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.trycard{display:flex;flex-direction:column;align-items:flex-start;min-height:260px;padding:24px;
  background:var(--bg);border:1px solid var(--line-2);border-radius:var(--radius)}
.trycard__status{font:500 .72rem/1 var(--font-mono);color:var(--accent);margin-bottom:18px}
.trycard h3{font-size:1.25rem;margin-bottom:10px}
.trycard p{color:var(--muted);font-size:.94rem;line-height:1.55;margin-bottom:22px}
.trycard .btn{margin-top:auto}
@media (max-width:860px){.trygrid{grid-template-columns:1fr}.trycard{min-height:0}}

/* ---------- value pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pillar{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:border-color .2s ease, transform .2s ease;
}
.pillar:hover{border-color:var(--line-2);transform:translateY(-3px)}
.pillar__icon{margin-bottom:18px;color:var(--accent)}
.pillar__icon svg{width:34px;height:34px}
.pillar h3{font-size:1.3rem;font-weight:500;margin-bottom:10px}
.pillar p{color:var(--muted);font-size:1rem}
.pillar__tag{
  display:inline-block;margin-top:16px;font-family:var(--font-mono);
  font-size:0.66rem;letter-spacing:0;color:var(--faint);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:3px 8px;
}
@media (max-width:860px){.pillars{grid-template-columns:1fr}}
@media (prefers-reduced-motion: reduce){.pillar:hover{transform:none}}

/* ---------- status badge ---------- */
.badge{display:inline-flex;gap:6px;align-items:center;
  font:500 0.7rem/1 var(--font-mono);letter-spacing:0;
  padding:4px 8px;border-radius:var(--radius-sm);border:1px solid;}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;}
.badge--live{color:var(--good);background:color-mix(in srgb,var(--good) 14%,transparent);border-color:color-mix(in srgb,var(--good) 32%,transparent);}
.badge--prog{color:var(--warn);background:color-mix(in srgb,var(--warn) 14%,transparent);border-color:color-mix(in srgb,var(--warn) 32%,transparent);}
.badge--prev{color:var(--info);background:color-mix(in srgb,var(--info) 14%,transparent);border-color:color-mix(in srgb,var(--info) 32%,transparent);}
.badge--prog::before{animation:pulse 2s ease-in-out infinite}
@media (prefers-reduced-motion: reduce){.badge--prog::before{animation:none}}

/* ---------- demo grid ---------- */
.demos{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.demo{grid-column:span 2}
/* five demos: three on top, the last two centered underneath */
.demo:nth-child(4):nth-last-child(2){grid-column:2 / span 2}
.demo{
  position:relative;background:var(--bg-elev);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .2s ease, transform .2s ease;
}
.demo:hover{border-color:var(--line-2);transform:translateY(-3px)}
.demo__media{
  position:relative;aspect-ratio:1284/2778;max-height:min(640px,72vh);background:var(--bg);
  border-bottom:1px solid var(--line);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.demo__media video{position:relative;z-index:0;width:100%;height:100%;object-fit:contain;
  filter:saturate(.9) brightness(.82);transition:filter .25s ease}
/* clip/coding cells carry a designed dark poster — show it at full strength,
   and only dim the live video frames once playback starts */
.demo--coding .demo__media video,
.demo--clip .demo__media video{filter:none}
.demo--coding.is-playing .demo__media video,
.demo--clip.is-playing .demo__media video{filter:saturate(.96) brightness(.92)}
/* faint amber inner frame so it shares the aperture language */
.demo--coding .demo__media,
.demo--clip .demo__media{
  box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 22%,transparent);
}
/* aperture scan frame — only on placeholder cells; clip posters draw their own */
.demo:not(.demo--coding):not(.demo--clip) .demo__media::after{
  content:"";position:absolute;inset:14px;z-index:2;pointer-events:none;border-radius:6px;
  background:
    linear-gradient(currentColor 0 0) left top, linear-gradient(currentColor 0 0) left top,
    linear-gradient(currentColor 0 0) right top, linear-gradient(currentColor 0 0) right top,
    linear-gradient(currentColor 0 0) left bottom, linear-gradient(currentColor 0 0) left bottom,
    linear-gradient(currentColor 0 0) right bottom, linear-gradient(currentColor 0 0) right bottom;
  background-repeat:no-repeat;
  background-size:14px 1.5px, 1.5px 14px;
  color:color-mix(in srgb,var(--accent) 55%,transparent);opacity:.7;
}
/* placeholder cell visuals */
.demo__ph{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;
  background:
    radial-gradient(420px 220px at 50% 36%, color-mix(in srgb,var(--accent) 7%,transparent), transparent 70%),
    repeating-linear-gradient(115deg, transparent 0 22px, color-mix(in srgb,var(--line) 60%,transparent) 22px 23px);
}
.demo__glyph{
  width:56px;height:56px;border-radius:50%;
  border:1.5px solid color-mix(in srgb,var(--accent) 60%,transparent);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
  background:color-mix(in srgb,var(--bg) 55%,transparent);
  transition:transform .2s ease, background .2s ease;
}
.demo:hover .demo__glyph{transform:scale(1.08);background:var(--accent-soft)}
.demo__glyph svg{width:20px;height:20px;margin-left:2px}
.demo__phlabel{font-family:var(--font-mono);font-size:0.66rem;letter-spacing:0;
  color:var(--faint)}
.demo__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px}
.demo__top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.demo__body h3{font-size:1.15rem;font-weight:500}
.demo__body p{color:var(--muted);font-size:0.92rem;line-height:1.55}
/* coding video play/pause affordance */
.demo__vctrl{
  position:absolute;left:14px;bottom:14px;z-index:3;
  width:42px;height:42px;border-radius:50%;cursor:pointer;
  background:var(--bg-elev);
  border:1px solid color-mix(in srgb,var(--accent) 60%,transparent);
  color:var(--accent);display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px -4px rgba(0,0,0,.6);
  transition:background .18s, transform .18s;
}
.demo__vctrl:hover{background:var(--accent);color:var(--accent-ink);transform:scale(1.05)}
.demo__vctrl svg{width:18px;height:18px}
.demo__vctrl .ico-pause{display:none}
.demo__vctrl[aria-pressed="true"] .ico-play{display:none}
.demo__vctrl[aria-pressed="true"] .ico-pause{display:block}
@media (max-width:980px){.demos{grid-template-columns:repeat(2,1fr)}.demo,.demo:nth-child(4):nth-last-child(2){grid-column:auto}}
@media (max-width:620px){.demos{grid-template-columns:1fr}}
@media (prefers-reduced-motion: reduce){.demo:hover{transform:none}}

/* ---------- features ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:border-color .2s, transform .2s;
}
.feature:hover{border-color:var(--line-2);transform:translateY(-3px)}
.feature__icon{
  width:46px;height:46px;border-radius:11px;margin-bottom:16px;
  background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}
.feature__icon svg{width:22px;height:22px}
.feature h3{font-size:1.12rem;font-weight:500;margin-bottom:9px}
.feature p{color:var(--muted);font-size:0.94rem;line-height:1.55}
/* resolve the 3-into-7 remainder: last card spans the full row as a wide summary card */
.feature--wide{
  grid-column:1/-1;display:flex;align-items:center;gap:24px;
  background:
    radial-gradient(560px 200px at 12% 50%, var(--accent-soft), transparent 70%),
    var(--bg-elev);
}
.feature--wide .feature__icon{margin-bottom:0;flex:0 0 auto}
.feature--wide .feature__copy{display:flex;flex-direction:column;gap:9px}
@media (max-width:620px){.feature--wide{flex-direction:column;align-items:flex-start;text-align:left}}
@media (max-width:980px){.features{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.features{grid-template-columns:1fr}}
@media (prefers-reduced-motion: reduce){.feature:hover{transform:none}}

/* ---------- architecture ---------- */
.archflow{margin:0;background:linear-gradient(160deg,var(--bg-elev-2),var(--bg-elev));
  border:1px solid var(--line-2);border-radius:var(--radius-lg);padding:clamp(20px,3vw,34px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03),0 24px 60px -36px rgba(0,0,0,.7)}
.archflow__lane{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);gap:12px;align-items:stretch}
.archnode{display:flex;flex-direction:column;min-height:245px;padding:20px;border-radius:var(--radius);
  background:var(--bg);border:1px solid var(--line-2)}
.archnode--live{border-color:color-mix(in srgb,var(--accent-2) 65%,var(--line-2))}
.archnode--agent{border-color:color-mix(in srgb,var(--accent) 65%,var(--line-2))}
.archnode__step{font:500 .68rem/1.3 var(--font-mono);color:var(--accent);margin-bottom:18px}
.archnode h3{font-size:1.08rem;margin-bottom:10px}
.archnode p{color:var(--muted);font-size:.86rem;line-height:1.5}
.archchips{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:18px}
.archchips span{font:500 .66rem/1 var(--font-mono);color:var(--muted);border:1px solid var(--line-2);border-radius:999px;padding:6px 8px}
.archarrow{display:grid;place-items:center;color:var(--accent);font:500 1.35rem/1 var(--font-display)}
.archflow__return{display:flex;align-items:center;justify-content:center;margin:24px 4% 0;padding-top:18px;
  color:var(--accent-2);font:500 .75rem/1.4 var(--font-mono);text-align:center;border-top:1px solid var(--line-2)}
.archflow__return span::before{content:"← ";color:var(--accent-2)}
.archflow figcaption{color:var(--faint);font-size:.82rem;line-height:1.5;margin-top:16px;text-align:center}
@media (max-width:980px){
  .archflow__lane{grid-template-columns:1fr}
  .archnode{min-height:0}
  .archarrow{transform:rotate(90deg);min-height:24px}
  .archflow__return{margin-inline:0}
}

/* ---------- install ---------- */
.install{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.track{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
}
.track__head{padding:22px 22px 18px;border-bottom:1px solid var(--line)}
.track__kicker{display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:0.68rem;letter-spacing:0;
  color:var(--accent);margin-bottom:10px}
.track__kicker svg{width:14px;height:14px}
.track__head h3{font-size:1.2rem;font-weight:500}
.track__head p{color:var(--muted);font-size:0.9rem;margin-top:6px}
.codeblock{position:relative;background:#0c0f13;flex:1;display:flex;flex-direction:column}
.codeblock pre{margin:0;padding:20px;overflow-x:auto;flex:1}
.codeblock code{font-family:var(--font-mono);font-size:0.82rem;line-height:1.85;
  color:var(--text);white-space:pre}
.codeblock .c-comment{color:var(--faint)}
.codeblock .c-cmd{color:var(--accent-2)}
.copybtn{
  position:absolute;top:12px;right:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  font-family:var(--font-mono);font-size:0.7rem;letter-spacing:0;
  background:var(--bg-elev-2);border:1px solid var(--line-2);color:var(--muted);
  padding:6px 10px;border-radius:var(--radius-sm);transition:color .15s, border-color .15s;
}
.copybtn:hover{color:var(--accent);border-color:var(--accent)}
.copybtn svg{width:13px;height:13px}
.copybtn.copied{color:var(--good);border-color:color-mix(in srgb,var(--good) 45%,transparent)}
.steps{list-style:none;margin:0;padding:20px;counter-reset:s;display:flex;flex-direction:column;gap:16px;flex:1}
.steps li{counter-increment:s;display:flex;gap:14px;align-items:flex-start;color:var(--muted);font-size:0.96rem}
.steps li::before{
  content:counter(s);flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);
  color:var(--accent);font-family:var(--font-mono);font-size:0.8rem;font-weight:500;
  display:flex;align-items:center;justify-content:center;margin-top:1px;
}
.steps code{font-family:var(--font-mono);font-size:0.82rem;background:var(--bg);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--accent-2);
  word-break:break-all}
.install__note{margin-top:22px;color:var(--faint);font-size:0.86rem}
.install__note code{font-family:var(--font-mono);color:var(--muted);font-size:0.82rem}
@media (max-width:860px){.install{grid-template-columns:1fr}}

/* ---------- roadmap ---------- */
.roadmap{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
}
.road{
  display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;
  padding:16px 18px;background:var(--bg-elev);
  border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .18s ease, transform .18s ease;
}
.road:hover{border-color:var(--line-2);transform:translateY(-2px)}
.road__num{font-family:var(--font-mono);color:var(--accent);font-size:0.8rem;
  letter-spacing:0;line-height:1.5}
.road__main h3{font-size:1.02rem;font-weight:500;margin-bottom:4px;line-height:1.25}
.road__main p{color:var(--muted);font-size:0.9rem;line-height:1.45;margin:0}
@media (max-width:560px){.roadmap{grid-template-columns:1fr}}

/* ---------- cite ---------- */
.cite{display:grid;grid-template-columns:0.9fr 1.1fr;gap:24px;align-items:start}
.cite__left p{color:var(--muted);margin-bottom:22px;max-width:46ch}
.cite__gh{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--bg-elev);border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:12px 16px;font-family:var(--font-mono);font-size:0.86rem;color:var(--text);
  transition:border-color .18s, color .18s;
}
.cite__gh:hover{border-color:var(--accent);color:var(--accent)}
.cite__gh svg{width:18px;height:18px}
.bibtex{position:relative;background:#0c0f13;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.bibtex pre{margin:0;padding:22px;overflow-x:auto}
.bibtex code{font-family:var(--font-mono);font-size:0.82rem;line-height:1.75;color:var(--text);white-space:pre}
.bibtex .b-key{color:var(--accent)}
.bibtex .b-field{color:var(--accent-2)}
@media (max-width:760px){.cite{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--bg-elev)}
.footer__inner{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;
  align-items:flex-start;padding-block:48px}
.footer__brand{display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:10px}
.footer__brand svg{height:30px;width:auto;color:var(--text)}
.footer__name{font-family:var(--font-display);font-weight:600;font-size:1.35rem}
.footer__tag{grid-column:1/-1;color:var(--muted);margin-top:14px;max-width:34ch;font-size:0.95rem}
.footer__meta{width:100%;border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  color:var(--faint);font-size:0.82rem}
.footer__meta .copy{font-family:var(--font-mono)}
.footer__meta a{color:var(--muted);transition:color .15s}
.footer__meta a:hover{color:var(--accent)}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
}