/**
 * Camada 1 — tokens.
 * Os valores vieram das cinco telas entregues pelo Pablo. Nenhuma cor,
 * espaçamento ou sombra deve ser escrita em outro arquivo sem passar por aqui.
 */
:root{
  /* tinta */
  --ink:#101014;
  --ink2:#4e4e56;
  --muted:#8b8b93;

  /* superfícies */
  --page:#f7f6f3;
  --surface:#fffefb;
  --ring:rgba(16,16,20,.09);

  /* marca */
  --rb:#FF6B35;
  --rb-deep:#E14E14;
  --rb-dark:#A63308;
  --rb-soft:#fdeee7;
  --graf:#1E1E1E;
  --blue:#1E73BE;
  --green:#2f7a52;
  --gold:#b8860b;
  --danger:#d33;

  /* tipografia */
  --font-display:'Sora',"Segoe UI",Arial,sans-serif;
  --font-text:'Inter',"Segoe UI",Arial,sans-serif;

  /* medidas */
  --wrap:1280px;
  --wrap-pad:32px;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:20px;
  --radius-xl:24px;
  --pill:999px;

  /* sombras */
  --shadow-card:0 24px 48px -38px rgba(16,16,20,.35);
  --shadow-hover:0 28px 48px -30px rgba(16,16,20,.45);
  --shadow-rb:0 14px 28px -14px rgba(225,78,20,.55);

  /* alturas de sticky, usadas por scroll-margin */
  --header-h:65px;
}

/* Gradientes de arte. Servem de imagem de apoio quando a prova ainda não tem
   arte enviada pelo organizador, e são os mesmos da tela do Pablo. */
.art-rb{background:radial-gradient(110% 90% at 85% 100%,rgba(255,255,255,.2),transparent 55%),linear-gradient(155deg,#ff8a55 0%,#e85a1f 55%,#a63308 100%);}
.art-graf{background:radial-gradient(110% 90% at 20% 100%,rgba(255,107,53,.28),transparent 55%),linear-gradient(155deg,#3a3a3e 0%,#232326 55%,#121214 100%);}
.art-blue{background:radial-gradient(120% 90% at 15% 0%,rgba(255,255,255,.16),transparent 55%),linear-gradient(155deg,#2b86d4 0%,#1E73BE 55%,#0e3d68 100%);}
.art-green{background:radial-gradient(100% 100% at 50% 10%,rgba(255,255,255,.18),transparent 60%),linear-gradient(160deg,#3c8a5f 0%,#2f6b4f 55%,#1c4230 100%);}
.art-sun{background:radial-gradient(110% 90% at 85% 0%,rgba(255,255,255,.22),transparent 55%),linear-gradient(155deg,#f0a03a 0%,#d97b16 55%,#8a4a0a 100%);}