/* TubersLab · base compartida (index + gracias) · tema claro con acento rojo */
:root{
  --obsidian:#faf7f6;
  --void:#f1ebea;
  --graphite:#ffffff;
  --graphite-2:#fbf6f5;
  --vellum:#15090b;
  --ash:#5b5254;
  --smoke:#8b8284;
  --charcoal:#e7dede;
  --red:#ff3b3b;
  --red-2:#ff1a1a;
  --red-ink:#e0202a;
  --red-glow:rgba(255,59,59,.38);
  --yellow:#ff9a1f;
  --yellow-glow:rgba(255,154,31,.5);
  --halo:rgba(60,28,32,.12);
  --halo-strong:rgba(255,59,59,.5);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'Space Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;overflow-x:hidden;scroll-padding-top:96px;}
body{
  margin:0;background-color:var(--obsidian);color:var(--vellum);
  font-family:var(--font);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:400;letter-spacing:-.03em;}
p{margin:0;}
a{color:inherit;}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:780px;margin:0 auto;padding:0 24px;}

/* ---------- Atmósfera: gradiente cósmico + orbes + rejilla ---------- */
.cosmos{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background:linear-gradient(195deg,#fff3f1 0%,#faf7f6 46%,#fff0ee 100%);}
.orb{position:absolute;border-radius:50%;filter:blur(90px);will-change:transform;translate:0 calc(var(--p,0) * -26vh);}
.o1{width:62vw;height:62vw;max-width:880px;max-height:880px;right:-16vw;top:-22vw;
  background:radial-gradient(closest-side,rgba(255,70,70,.5),transparent 70%);opacity:.3;animation:drift1 22s ease-in-out infinite alternate;}
.o2{width:52vw;height:52vw;max-width:740px;max-height:740px;left:-20vw;top:34vh;
  background:radial-gradient(closest-side,rgba(255,120,120,.5),transparent 70%);opacity:.28;animation:drift2 28s ease-in-out infinite alternate;}
.o3{width:42vw;height:42vw;max-width:600px;max-height:600px;right:8vw;bottom:-20vw;
  background:radial-gradient(closest-side,rgba(255,59,59,.3),transparent 70%);opacity:.3;animation:drift3 26s ease-in-out infinite alternate;}
@keyframes drift1{from{transform:translate3d(0,0,0) scale(1);}to{transform:translate3d(-6vw,5vh,0) scale(1.12);}}
@keyframes drift2{from{transform:translate3d(0,0,0) scale(1);}to{transform:translate3d(8vw,-6vh,0) scale(1.08);}}
@keyframes drift3{from{transform:translate3d(0,0,0) scale(1.05);}to{transform:translate3d(-7vw,-4vh,0) scale(.94);}}
.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(60,28,32,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(60,28,32,.055) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 85% 60% at 50% 22%,#000 0%,transparent 80%);
  mask-image:radial-gradient(ellipse 85% 60% at 50% 22%,#000 0%,transparent 80%);
  animation:gridScroll 9s linear infinite;}
@keyframes gridScroll{from{background-position:0 0;}to{background-position:-56px 0;}}
#fx{position:fixed;inset:0;z-index:0;pointer-events:none;}
main,header,footer,.nav,.banner{position:relative;z-index:2;}

/* ---------- Tipografía editorial ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--red-ink);line-height:1;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red-glow);}
.h2{font-size:clamp(2rem,4.6vw,3.3rem);line-height:1.04;letter-spacing:-.04em;}
.h2 .accent,.accent{color:var(--red);font-weight:500;}
.lede{color:var(--ash);font-size:1.02rem;line-height:1.55;max-width:560px;}
.head{max-width:760px;margin:0 0 48px;}
.head.center{margin-left:auto;margin-right:auto;text-align:center;}
.head.center .lede{margin-left:auto;margin-right:auto;}
.head .h2{margin-top:16px;}
.head .lede{margin-top:16px;}

/* ---------- Botones pill ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:100px;font-family:var(--font);font-weight:500;font-size:.95rem;
  padding:15px 30px;text-decoration:none;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,background .25s ease,color .25s ease,box-shadow .3s ease;}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:scale(.98);}
.btn-red{background:linear-gradient(135deg,var(--red-2),var(--red));color:#fff;
  box-shadow:0 12px 36px -12px var(--red-glow),inset 0 0 0 1px rgba(255,255,255,.1);animation:ctaPulse 2.8s ease-in-out infinite;}
@keyframes ctaPulse{0%,100%{box-shadow:0 12px 36px -12px var(--red-glow),0 0 18px -8px var(--red-glow),inset 0 0 0 1px rgba(255,255,255,.1);}
  50%{box-shadow:0 14px 44px -10px var(--red-glow),0 0 44px -6px var(--red-glow),inset 0 0 0 1px rgba(255,255,255,.14);}}
.btn-white{background:var(--vellum);color:#fff;}
.btn-white:hover{background:#000;box-shadow:0 10px 30px -10px rgba(0,0,0,.4);}
.btn-ghost{background:transparent;border-color:rgba(21,9,11,.55);color:var(--vellum);}
.btn-ghost:hover{background:var(--vellum);color:#fff;}
.btn-sm{padding:11px 20px;font-size:.84rem;}

/* ---------- Tarjetas con luz que sigue al cursor ---------- */
.glow-card{position:relative;border:1px solid var(--halo);border-radius:10px;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(255,59,59,.07),transparent 60%),var(--graphite);
  box-shadow:0 14px 34px -22px rgba(60,20,25,.3);}
.glow-card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;opacity:0;transition:opacity .35s ease;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),rgba(255,80,80,.85),transparent 62%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);}
.glow-card:hover::before{opacity:1;}

/* ---------- Revelado al hacer scroll ---------- */
.reveal,.reveal-scale,.reveal-left{opacity:0;filter:blur(6px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1),filter .8s ease;}
.reveal{transform:translateY(28px);}
.reveal-scale{transform:scale(.95);}
.reveal-left{transform:translateX(-30px);}
.reveal.in,.reveal-scale.in,.reveal-left.in{opacity:1;transform:none;filter:none;}
.d1{transition-delay:.05s;} .d2{transition-delay:.13s;} .d3{transition-delay:.21s;} .d4{transition-delay:.29s;} .d5{transition-delay:.37s;}

/* Titular palabra por palabra */
.w{display:inline-block;opacity:0;transform:translateY(.55em);filter:blur(8px);animation:wordIn .85s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:calc(var(--i) * 55ms + 140ms);}
@keyframes wordIn{to{opacity:1;transform:none;filter:none;}}

.float{animation:floatY 3.8s ease-in-out infinite;}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}

/* Banderas SVG + luces */
.flag{display:inline-block;width:16px;height:12px;border-radius:2px;vertical-align:-1px;margin-right:4px;box-shadow:0 0 0 1px rgba(0,0,0,.18);overflow:hidden;}

@media (prefers-reduced-motion: reduce){
  .orb,.grid-bg,.btn-red,.float{animation:none;}
  .reveal,.reveal-scale,.reveal-left{opacity:1;transform:none;filter:none;transition:none;}
  .w{opacity:1;transform:none;filter:none;animation:none;}
  #fx{display:none;}
  html{scroll-behavior:auto;}
}