/* =========================================================
   Ashen Arena — landing
   Paleta: cenizas + brasas, tomada del key art (logo-main.png)
   Sin dependencias externas: fuentes de sistema, texturas en SVG inline.
   ========================================================= */

:root{
  /* fondos */
  --ash-000:#070605;
  --ash-900:#0b0908;
  --ash-850:#100d0b;
  --ash-800:#151110;
  --ash-750:#1c1715;
  --ash-700:#241d19;

  /* brasas */
  --ember:#ff8a2b;
  --ember-hot:#ffb347;
  --gold:#ffc861;
  --gold-pale:#ffe4ad;
  --ember-deep:#c8410c;
  --blood:#8a2408;

  /* texto */
  --tx:#f2e9dd;
  --tx-soft:#c9bcab;
  --tx-mute:#8d8175;

  /* lineas / superficies */
  --line:rgba(255,176,92,.14);
  --line-soft:rgba(255,176,92,.08);
  --glass:rgba(28,22,19,.62);

  --wrap:1180px;
  --r:14px;

  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Roboto,Arial,sans-serif;
  --display:"Impact","Haettenschweiler","Franklin Gothic Bold","Arial Black","Segoe UI",system-ui,sans-serif;

  --ease:cubic-bezier(.22,.68,.24,1);
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ash-900);
  color:var(--tx);
  font-family:var(--font);
  font-size:17px;
  line-height:1.65;
  overflow-x:hidden;
  /* textura de ceniza: ruido SVG muy sutil sobre un degradado profundo */
  background-image:
    radial-gradient(1200px 700px at 50% -10%, rgba(255,138,43,.10), transparent 60%),
    radial-gradient(900px 600px at 100% 40%, rgba(140,40,10,.10), transparent 65%),
    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%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.045'/%3E%3C/svg%3E");
  background-attachment:fixed,fixed,fixed;
}
img,svg,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.02}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--ember);color:#1a0d04}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(18px,5vw,32px)}

.skip{
  position:absolute;left:-9999px;top:0;z-index:99;
  background:var(--gold);color:#180d04;padding:10px 16px;border-radius:0 0 8px 0;font-weight:700
}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* ---------- tipografía display ---------- */
.title,.sec-title,.cta-title,.stats b,.brand-txt{
  font-family:var(--display);
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.045em;
}

/* =========================================================
   HEADER
   ========================================================= */
.hdr{
  position:fixed;inset:0 0 auto 0;z-index:50;
  transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.hdr.stuck{
  background:rgba(10,8,7,.86);
  backdrop-filter:blur(10px) saturate(120%);
  border-bottom-color:var(--line);
}
.hdr-in{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand-mark{width:26px;height:26px;filter:drop-shadow(0 0 10px rgba(255,138,43,.55))}
.brand-txt{font-size:19px;letter-spacing:.09em;color:var(--tx)}
.brand-accent{color:var(--gold);margin-left:.25em}

.nav{display:flex;gap:26px}
.nav a{
  font-size:14px;letter-spacing:.09em;text-transform:uppercase;color:var(--tx-soft);
  position:relative;padding-block:6px;transition:color .25s
}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--ember),var(--gold));transition:right .3s var(--ease)
}
.nav a:hover{color:var(--tx)}
.nav a:hover::after{right:0}

.hdr-right{display:flex;align-items:center;gap:16px}
.lang{display:flex;align-items:center;gap:6px;font-size:13px;letter-spacing:.1em}
.lang-btn{color:var(--tx-mute);padding:4px 2px;transition:color .2s}
.lang-btn:hover{color:var(--tx-soft)}
.lang-btn.on{color:var(--gold);text-shadow:0 0 14px rgba(255,200,97,.45)}
.lang-sep{color:rgba(255,255,255,.18)}

/* =========================================================
   BOTONES
   ========================================================= */
.btn{
  --bg:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:999px;
  font-weight:700;font-size:15px;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--line);background:var(--bg);
  transition:transform .22s var(--ease),box-shadow .3s var(--ease),background .3s,border-color .3s,color .3s;
  will-change:transform;
}
.btn-ico{width:15px;height:15px;flex:none}
.btn-sm{padding:9px 20px;font-size:13px}
.btn-lg{padding:16px 34px;font-size:16px}

.btn-fire{
  color:#201004;border-color:transparent;
  background:linear-gradient(140deg,var(--gold-pale),var(--gold) 28%,var(--ember) 62%,var(--ember-deep));
  box-shadow:0 6px 26px -8px rgba(255,120,30,.8),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-fire:hover{transform:translateY(-2px);box-shadow:0 14px 40px -10px rgba(255,130,30,.95),inset 0 1px 0 rgba(255,255,255,.6)}
.btn-ghost{color:var(--tx);background:rgba(20,16,14,.5);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:rgba(255,176,92,.42);background:rgba(38,28,22,.62);transform:translateY(-2px)}
.btn-sm{color:var(--tx);background:rgba(255,176,92,.09);border-color:rgba(255,176,92,.28)}
.btn-sm:hover{background:rgba(255,176,92,.18)}
.btn-soon{
  color:var(--tx-mute);border-style:dashed;border-color:rgba(255,176,92,.22);
  background:rgba(255,255,255,.02);cursor:default;font-size:14px
}
.soon-ico{width:28px;height:28px;border-radius:7px;opacity:.65;filter:grayscale(.35)}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;isolation:isolate;
  min-height:100vh;min-height:100svh; /* vh primero: svh pisa donde exista */
  display:flex;align-items:center;
  padding:120px 0 90px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:-3;
  background-image:url("../assets/keyart.jpg");
  background-size:cover;background-position:50% 22%;
  transform:scale(1.04);
  animation:kenburns 34s ease-in-out infinite alternate;
}
@keyframes kenburns{from{transform:scale(1.04) translate3d(0,0,0)}to{transform:scale(1.13) translate3d(0,-1.5%,0)}}

.hero-veil{
  position:absolute;inset:0;z-index:-2;
  background:
    radial-gradient(120% 90% at 62% 42%, rgba(8,6,5,0) 0%, rgba(8,6,5,.35) 42%, rgba(7,6,5,.88) 78%),
    linear-gradient(100deg, rgba(7,6,5,.94) 0%, rgba(7,6,5,.72) 38%, rgba(7,6,5,.18) 70%),
    linear-gradient(to top, var(--ash-900) 2%, rgba(11,9,8,.25) 34%, transparent 62%);
}
.embers{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}

.hero-in{position:relative;max-width:min(840px,100%)}
.eyebrow{
  font-size:12.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);
  margin-bottom:22px;display:flex;align-items:center;gap:12px
}
.eyebrow::before{content:"";width:34px;height:1px;background:linear-gradient(90deg,transparent,var(--ember));flex:none}

.title{display:flex;flex-direction:column;margin-bottom:26px}
.title span{
  display:block;
  font-size:clamp(58px,15vw,168px);
  line-height:.84;
  letter-spacing:.02em;
  background:linear-gradient(178deg,#fff6e4 4%,var(--gold) 38%,var(--ember) 68%,#a83b0c 100%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 6px 26px rgba(0,0,0,.75)) drop-shadow(0 0 42px rgba(255,120,30,.28));
}
.title-l2{margin-left:.06em;letter-spacing:.16em;font-size:clamp(52px,13.4vw,150px) !important}

.lede{
  font-size:clamp(16.5px,2vw,21px);color:var(--tx-soft);max-width:46ch;
  margin-bottom:38px;text-shadow:0 2px 18px rgba(0,0,0,.85)
}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.cta-row.center{justify-content:center}

.stats{
  display:flex;flex-wrap:wrap;gap:14px 40px;list-style:none;margin:52px 0 0;padding:22px 0 0;
  border-top:1px solid var(--line-soft);max-width:640px
}
.stats li{display:flex;flex-direction:column;gap:2px}
.stats b{font-size:30px;color:var(--gold);letter-spacing:.06em;line-height:1}
.stats span{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--tx-mute)}

.scroll-hint{
  position:absolute;left:50%;bottom:26px;translate:-50% 0;
  width:22px;height:34px;border:1px solid rgba(255,176,92,.35);border-radius:12px;
  display:grid;place-items:start center;padding-top:6px;opacity:.75
}
.scroll-hint span{width:3px;height:7px;border-radius:2px;background:var(--gold);animation:sniff 1.9s var(--ease) infinite}
@keyframes sniff{0%,100%{transform:translateY(0);opacity:1}55%{transform:translateY(12px);opacity:.15}}

/* =========================================================
   SECCIONES
   ========================================================= */
.sec{position:relative;padding:clamp(78px,11vw,140px) 0}
.sec-eyebrow{
  font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--ember);margin-bottom:14px
}
.sec-title{font-size:clamp(32px,5.4vw,60px);margin-bottom:16px;color:#f6ece0}
.sec-sub{color:var(--tx-soft);max-width:56ch;margin-bottom:clamp(38px,6vw,60px);font-size:17px}

/* divisor de brasa entre secciones */
.sec+.sec::before{
  content:"";position:absolute;top:0;left:50%;translate:-50% 0;
  width:min(1180px,88%);height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,176,92,.28),transparent)
}

/* ---------- video ---------- */
.sec-video{background:linear-gradient(to bottom,var(--ash-900),var(--ash-850))}
.player{
  position:relative;border-radius:var(--r);overflow:hidden;
  aspect-ratio:16/9;background:#000 center/cover no-repeat;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.95),0 0 0 1px var(--line),0 0 90px -30px rgba(255,120,30,.35);
}
.player-video{width:100%;height:100%;object-fit:cover;background:#000}
.player-overlay{
  position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:20px;
  background:radial-gradient(60% 60% at 50% 50%,rgba(10,7,6,.32),rgba(8,6,5,.82));
  transition:opacity .4s var(--ease)
}
.player-overlay[hidden]{display:none}
.play-btn{position:relative;width:88px;height:88px;transition:transform .3s var(--ease)}
.play-btn svg{width:100%;height:100%}
.pb-ring{fill:rgba(12,9,7,.55);stroke:var(--gold);stroke-width:1.5;transition:stroke .3s}
.pb-tri{fill:var(--gold);transition:fill .3s}
.play-btn:hover{transform:scale(1.08)}
.play-btn:hover .pb-ring{stroke:var(--ember-hot)}
.play-btn:hover .pb-tri{fill:var(--ember-hot)}
.play-btn::after{
  content:"";position:absolute;inset:0;margin:auto;width:88px;height:88px;border-radius:50%;
  border:1px solid rgba(255,200,97,.5);animation:pulse 3s var(--ease) infinite;pointer-events:none
}
@keyframes pulse{0%{transform:scale(1);opacity:.6}70%{transform:scale(1.55);opacity:0}100%{opacity:0}}
.player-note{
  font-size:11.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-pale);
  padding:7px 16px;border:1px solid rgba(255,200,97,.3);border-radius:999px;background:rgba(10,7,6,.6)
}
.player-note.hit{animation:shake .5s var(--ease)}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-5px)}40%{transform:translateX(5px)}60%{transform:translateX(-3px)}80%{transform:translateX(3px)}}
.player-frame{position:absolute;inset:0;border-radius:var(--r);pointer-events:none;box-shadow:inset 0 0 0 1px rgba(255,176,92,.16),inset 0 -60px 90px -60px rgba(0,0,0,.9)}

/* ---------- features ---------- */
.sec-feat{background:linear-gradient(to bottom,var(--ash-850),var(--ash-900) 70%)}
.grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:620px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{
  position:relative;overflow:hidden;
  padding:30px 28px 32px;border-radius:var(--r);
  background:linear-gradient(160deg,rgba(38,29,24,.72),rgba(17,13,12,.72));
  border:1px solid var(--line-soft);
  transition:transform .38s var(--ease),border-color .38s,box-shadow .38s
}
.card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .4s;
  background:radial-gradient(360px 200px at 12% 0%,rgba(255,138,43,.16),transparent 70%);
  pointer-events:none
}
.card:hover{transform:translateY(-6px);border-color:rgba(255,176,92,.3);box-shadow:0 26px 50px -32px rgba(0,0,0,.95)}
.card:hover::before{opacity:1}
.card h3{font-size:19px;letter-spacing:.02em;margin-bottom:10px;color:#f6ece0;font-weight:700}
.card p{color:var(--tx-soft);font-size:15.5px;line-height:1.62}

.card-ico{
  width:60px;height:60px;margin-bottom:20px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(255,176,92,.16),rgba(255,138,43,.04));
  border:1px solid rgba(255,176,92,.18)
}
.card-ico svg{width:40px;height:40px}
.ic-fill{fill:var(--gold)}
.ic-fill.dim{fill:rgba(255,200,97,.42)}
.ic-stroke{fill:none;stroke:var(--ember);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ic-stroke.thin{stroke-width:1.5;opacity:.85}
.card-ico svg .ic-fill{transition:fill .3s}
.card:hover .card-ico{border-color:rgba(255,176,92,.42)}

.card-quote{
  display:grid;place-items:center;text-align:center;
  background:linear-gradient(150deg,rgba(200,65,12,.2),rgba(17,13,12,.8));
  border-color:rgba(255,176,92,.2)
}
.quote{
  font-size:19px;line-height:1.45;color:var(--gold-pale);font-style:italic;
  text-shadow:0 2px 20px rgba(0,0,0,.6)
}

/* ---------- roster (sprites reales del juego) ---------- */
.roster{margin-top:clamp(56px,8vw,90px)}
.roster-head{margin-bottom:6px}
.roster-head h3{
  font-family:var(--display);text-transform:uppercase;letter-spacing:.16em;font-size:15px;color:var(--gold);font-weight:900
}
.roster-head p{color:var(--tx-mute);font-size:14px}
.rail{
  position:relative;display:flex;gap:0;overflow:hidden;
  padding:26px 0 0;margin-top:14px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);
}
/* 3 tracks idénticos: con 2 quedaba hueco arriba de ~2100px de viewport.
   min-width:100% cubre el caso extremo (zoom out / pantallas muy anchas). */
.rail-track{
  display:flex;align-items:flex-end;justify-content:space-around;
  gap:clamp(28px,5vw,64px);padding-right:clamp(28px,5vw,64px);
  min-width:100%;
  animation:march 42s linear infinite;flex:none
}
.rail:hover .rail-track{animation-play-state:paused}
@keyframes march{from{transform:translateX(0)}to{transform:translateX(-100%)}}
.rail-ground{
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,176,92,.35),transparent);
  box-shadow:0 0 34px 6px rgba(255,120,30,.14)
}

.unit{
  --s:2;
  flex:none;
  background-repeat:no-repeat;
  image-rendering:pixelated;image-rendering:crisp-edges;
  filter:drop-shadow(0 6px 10px rgba(0,0,0,.6));
  animation-iteration-count:infinite;
  animation-name:spritewalk;
}
@keyframes spritewalk{from{background-position-x:0}to{background-position-x:var(--end)}}

/* Medidas por héroe: --w/--h = frame recortado, --n = cantidad de frames.
   OJO: el background-image va acá y NO en un custom property inline del HTML —
   las url() relativas dentro de una var se resuelven contra ESTE archivo (css/),
   no contra el documento, y terminan en 404. */
.u-knight    {--w:71;--h:68;--n:6;animation-duration:.90s;animation-timing-function:steps(6);background-image:url("../assets/heroes/knight.png")}
.u-countess  {--w:52;--h:73;--n:5;animation-duration:.80s;animation-timing-function:steps(5);background-image:url("../assets/heroes/countess_vampire.png")}
.u-orc       {--w:63;--h:62;--n:5;animation-duration:.85s;animation-timing-function:steps(5);background-image:url("../assets/heroes/orc_berserk.png")}
.u-mage      {--w:62;--h:82;--n:7;animation-duration:1.05s;animation-timing-function:steps(7);background-image:url("../assets/heroes/lightning_mage.png")}
.u-samurai   {--w:128;--h:69;--n:6;animation-duration:.96s;animation-timing-function:steps(6);background-image:url("../assets/heroes/samurai.png")}
.u-archer    {--w:57;--h:73;--n:4;animation-duration:.72s;animation-timing-function:steps(4);background-image:url("../assets/heroes/archer.png")}
.u-riftwalker{--w:36;--h:71;--n:7;animation-duration:1.02s;animation-timing-function:steps(7);background-image:url("../assets/heroes/riftwalker.png")}
.u-hexlord   {--w:37;--h:64;--n:5;animation-duration:.88s;animation-timing-function:steps(5);background-image:url("../assets/heroes/hexlord.png")}
.u-druid     {--w:53;--h:61;--n:5;animation-duration:.82s;animation-timing-function:steps(5);background-image:url("../assets/heroes/druid.png")}
.u-destroyer {--w:36;--h:77;--n:5;animation-duration:.92s;animation-timing-function:steps(5);background-image:url("../assets/heroes/destroyer.png")}
.u-kunoichi  {--w:25;--h:64;--n:9;animation-duration:1.2s;animation-timing-function:steps(9);background-image:url("../assets/heroes/kunoichi.png")}
.u-packlord  {--w:45;--h:60;--n:5;animation-duration:.86s;animation-timing-function:steps(5);background-image:url("../assets/heroes/packlord.png")}

.unit{
  width:calc(var(--w) * var(--s) * 1px);
  height:calc(var(--h) * var(--s) * 1px);
  background-size:calc(var(--w) * var(--n) * var(--s) * 1px) calc(var(--h) * var(--s) * 1px);
  --end:calc(var(--w) * var(--n) * var(--s) * -1px);
}

/* ---------- galería ---------- */
.sec-gal{background:linear-gradient(to bottom,var(--ash-900),var(--ash-850))}
.shots{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:760px){.shots{grid-template-columns:repeat(2,1fr)}}
.shot{margin:0}
.shot-img{
  width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r);border:1px solid var(--line-soft);background:var(--ash-800);
  box-shadow:0 24px 46px -34px rgba(0,0,0,.95);
  transition:transform .4s var(--ease),border-color .4s,box-shadow .4s
}
.shot:hover .shot-img{
  transform:translateY(-5px);border-color:rgba(255,176,92,.38);
  box-shadow:0 30px 56px -30px rgba(0,0,0,.95),0 0 60px -30px rgba(255,120,30,.5)
}
.shot figcaption{margin-top:12px;font-size:14px;color:var(--tx-mute);letter-spacing:.03em}

/* ---------- CTA final ---------- */
.sec-cta{position:relative;overflow:hidden;text-align:center;padding-block:clamp(90px,13vw,160px)}
.cta-bg{
  position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(to bottom,rgba(9,7,6,.92),rgba(9,7,6,.72),var(--ash-900)),url("../assets/keyart-wide.jpg");
  background-size:cover;background-position:50% 38%;
  filter:saturate(.85)
}
.cta-title{font-size:clamp(34px,6.4vw,72px);margin-bottom:16px;
  background:linear-gradient(180deg,#fff4e2,var(--gold) 55%,var(--ember));
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 4px 20px rgba(0,0,0,.7))
}
.cta-sub{color:var(--tx-soft);max-width:44ch;margin:0 auto 40px;font-size:17.5px}

/* ---------- footer ---------- */
.ftr{border-top:1px solid var(--line-soft);background:var(--ash-000);padding:34px 0}
.ftr-in{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between}
.ftr-c{font-size:14px;color:var(--tx-mute);letter-spacing:.04em}
.ftr-nav{display:flex;gap:24px;flex-wrap:wrap}
.ftr-nav a{font-size:14px;color:var(--tx-mute);transition:color .25s}
.ftr-nav a:hover{color:var(--gold)}

/* =========================================================
   REVEAL ON SCROLL
   ========================================================= */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal:nth-child(2){transition-delay:.06s}
.reveal:nth-child(3){transition-delay:.12s}
.reveal:nth-child(4){transition-delay:.18s}
.grid .reveal:nth-child(1),.shots .reveal:nth-child(1){transition-delay:0s}
.grid .reveal:nth-child(2),.shots .reveal:nth-child(2){transition-delay:.07s}
.grid .reveal:nth-child(3),.shots .reveal:nth-child(3){transition-delay:.14s}
.grid .reveal:nth-child(4),.shots .reveal:nth-child(4){transition-delay:.21s}
.grid .reveal:nth-child(5),.shots .reveal:nth-child(5){transition-delay:.28s}
.grid .reveal:nth-child(6),.shots .reveal:nth-child(6){transition-delay:.35s}
/* si el JS no corre (o falla), nada queda invisible */
.no-js .reveal{opacity:1;transform:none}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (min-width:900px){
  .hero-bg{background-image:url("../assets/keyart-wide.jpg");background-position:50% 30%}
  .hero{padding:140px 0 110px}
}
/* Entre 641 y 900px la nav se compacta en vez de desaparecer. */
@media (max-width:900px){
  .hdr-in{gap:14px}
  .nav{gap:15px}
  .nav a{font-size:12px;letter-spacing:.05em}
  .hdr-right{gap:11px}
  .brand-txt{font-size:17px}
}
@media (max-width:640px){
  .nav{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .hdr-in{height:60px}
  .brand-txt{font-size:17px}
  .hero{padding:104px 0 84px;min-height:92svh}
  .hero-veil{
    background:
      linear-gradient(to bottom,rgba(7,6,5,.72) 0%,rgba(7,6,5,.38) 28%,rgba(7,6,5,.9) 72%,var(--ash-900) 100%),
      radial-gradient(90% 60% at 50% 30%,transparent,rgba(7,6,5,.5))
  }
  .lede{font-size:16.5px}
  .cta-row .btn{flex:1 1 100%}
  .stats{gap:16px 26px;margin-top:38px}
  .stats b{font-size:24px}
  .stats span{font-size:11px;letter-spacing:.14em}
  .unit{--s:1.4}
  .card{padding:26px 22px}
  .play-btn,.play-btn::after{width:68px;height:68px}
  .scroll-hint{display:none}
  .ftr-in{justify-content:center;text-align:center}
}

/* =========================================================
   MOTION / PRINT
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important
  }
  .reveal{opacity:1;transform:none}
  .hero-bg{animation:none;transform:none}
  .rail-track{animation:none}
  .unit{animation:none}
  .embers{display:none}
}