/* RBH Studios — modern theme drawn from the AULA F75 palette:
   near-black case, graphite + gray keycaps, signal-red strip, off-white legends */
:root{
  --ink:#0b0c0e;
  --coal:#121417;
  --card:#17191d;
  --card2:#1e2127;
  --key:#2a2e35;
  --line:rgba(255,255,255,.08);
  --line2:rgba(255,255,255,.17);
  --paper:#f4f4f5;
  --gray:#a9adb6;
  --faint:#6f747d;
  --acc:#ec3524;
  --acc-hi:#ff8a7a;
  --acc-deep:#9e150c;
  --acc-grad:linear-gradient(115deg,var(--acc-hi) 0%,var(--acc) 55%,var(--acc-deep) 130%);
  --r-lg:18px;
  --disp:'Space Grotesk',system-ui,sans-serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --shadow:0 24px 70px rgba(0,0,0,.55);
  --nav-h:66px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{background:var(--ink);color:var(--paper);font-family:var(--sans);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1060px;margin:0 auto;padding:0 26px}
.muted{color:var(--gray)}
em{font-style:normal;background:var(--acc-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
::selection{background:var(--acc);color:#fff}

/* backdrop */
.bg{position:fixed;inset:0;z-index:-2;overflow:hidden}
.bg__halo{position:absolute;border-radius:50%;filter:blur(120px)}
.bg__halo--a{width:54vw;height:54vw;top:-24vw;right:-14vw;background:radial-gradient(circle,rgba(236,53,36,.13),transparent 65%)}
.bg__halo--b{width:46vw;height:46vw;top:46vh;left:-18vw;background:radial-gradient(circle,rgba(130,140,155,.13),transparent 65%)}
.bg__grain{position:absolute;inset:0;opacity:.07;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E")}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--acc);color:#fff;padding:8px 14px;border-radius:10px;z-index:200;font-weight:700}
.skip-link:focus{left:8px}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,12,14,.8);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav__inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:16px}
.wordmark{font-family:var(--disp);font-weight:700;font-size:1.3rem;letter-spacing:-.01em}
.wordmark sup{font-size:.58rem;color:var(--acc)}
.wordmark span{font-family:var(--sans);font-size:.6rem;font-weight:800;letter-spacing:.34em;text-transform:uppercase;color:var(--gray);margin-left:8px}
.nav__links{display:flex;gap:30px;font-size:.92rem;color:var(--gray);font-weight:600}
.nav__links a{transition:color .2s}
.nav__links a:hover{color:#fff}
.nav__cta{display:flex;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:12px;font-weight:700;font-size:.9rem;border:1px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s;white-space:nowrap;font-family:var(--sans)}
.btn--acc{background:var(--acc-grad);color:#fff;box-shadow:0 10px 28px rgba(236,53,36,.32)}
.btn--acc:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(236,53,36,.42)}
.btn--line{border-color:var(--line2);color:var(--paper);background:rgba(255,255,255,.03)}
.btn--line:hover{border-color:var(--acc);color:#fff;transform:translateY(-2px)}
.nav__burger{display:none;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;padding:8px}
.nav__burger span{width:22px;height:2px;background:var(--paper);border-radius:2px}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:12px 26px 18px;border-top:1px solid var(--line)}
.mobile-menu a{padding:10px 4px;color:var(--gray);font-weight:600}
.mobile-menu.open{display:flex}

/* hero */
.mast{padding:110px 26px 40px;text-align:center}
.mast__eyebrow{display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.24em;text-transform:uppercase;color:#fff;background:var(--acc);padding:7px 16px;border-radius:6px;box-shadow:0 8px 24px rgba(236,53,36,.35)}
.mast__title{font-family:var(--disp);font-weight:700;font-size:clamp(2.8rem,7.4vw,5.4rem);line-height:1.04;letter-spacing:-.03em;margin:28px 0 22px}
.mast__title>span{display:block}
.mast__title .ch{display:inline-block;transition:transform .25s cubic-bezier(.2,.7,.3,1.4),filter .25s}
.mast__title .ch:hover{transform:translateY(-10px) rotate(-3deg);filter:brightness(1.5)}
.mast__lede{max-width:58ch;margin:0 auto;color:var(--gray);font-size:1.08rem}
.mast__cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:32px 0 30px}
.mast__status{display:inline-flex;align-items:center;gap:10px;font-size:.86rem;color:var(--gray);border:1px solid var(--line2);border-radius:999px;padding:9px 20px;background:var(--card)}
.livedot{width:8px;height:8px;border-radius:50%;background:var(--acc);box-shadow:0 0 12px var(--acc);animation:blink 2s infinite}
@keyframes blink{50%{opacity:.4}}

/* sections */
.section{padding:84px 0 8px}
.sec-head{max-width:640px;margin-bottom:36px}
.sec-head h2{font-family:var(--disp);font-weight:700;font-size:clamp(1.9rem,3.8vw,2.8rem);line-height:1.12;letter-spacing:-.02em;margin:16px 0 0}
.kicker{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--acc)}

/* creed */
.creed{display:grid;gap:14px}
.creed__item{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:28px;background:linear-gradient(180deg,var(--card),var(--coal));border:1px solid var(--line);border-radius:var(--r-lg);transition:border-color .2s,transform .2s}
.creed__item:hover{border-color:rgba(236,53,36,.45);transform:translateY(-3px)}
.creed__item>span{font-family:var(--disp);font-weight:700;font-size:1.1rem;color:#fff;background:var(--key);border:1px solid var(--line2);border-radius:10px;height:44px;display:flex;align-items:center;justify-content:center}
.creed__item h3{font-family:var(--disp);font-size:1.3rem;font-weight:700;margin-bottom:6px;letter-spacing:-.01em}
.creed__item p{color:var(--gray);font-size:.95rem;max-width:62ch}

/* studio split */
.studio{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.studio h2{font-family:var(--disp);font-weight:700;font-size:clamp(1.9rem,3.4vw,2.6rem);line-height:1.12;letter-spacing:-.02em;margin:16px 0 14px}
.studio .muted{font-size:.98rem}
.facts{list-style:none;display:grid;gap:14px}
.facts li{display:grid;gap:4px;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);border-left:3px solid var(--acc)}
.facts b{font-family:var(--disp);font-size:1.15rem;color:#fff;font-weight:700}
.facts span{color:var(--gray);font-size:.92rem}

/* invite / letter */
.invite{display:grid;grid-template-columns:1fr 1fr;gap:44px;background:linear-gradient(150deg,var(--card2),var(--coal) 70%);border:1px solid var(--line2);border-radius:24px;padding:56px;position:relative;overflow:hidden}
.invite::before{content:"";position:absolute;width:480px;height:480px;background:radial-gradient(circle,rgba(236,53,36,.12),transparent 65%);top:-160px;right:-120px}
.invite__copy h2{font-family:var(--disp);font-weight:700;font-size:clamp(2.2rem,3.8vw,3rem);margin:16px 0 12px;line-height:1.08;letter-spacing:-.02em}
.invite__mail{display:inline-block;font-family:var(--disp);font-weight:700;font-size:clamp(1.15rem,2.4vw,1.5rem);color:#fff;border-bottom:3px solid var(--acc);margin-top:16px;transition:.2s}
.invite__mail:hover{color:var(--acc-hi)}
.letter{display:grid;gap:15px;background:rgba(11,12,14,.55);border:1px solid var(--line);border-radius:16px;padding:30px;position:relative;z-index:1}
.letter label{display:grid;gap:7px;font-size:.76rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--gray)}
.letter input,.letter textarea{background:rgba(255,255,255,.045);border:1px solid var(--line2);border-radius:10px;padding:13px 15px;color:var(--paper);font:500 .95rem var(--sans);width:100%;resize:vertical;transition:.2s}
.letter input:focus,.letter textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(236,53,36,.18)}
.letter input::placeholder,.letter textarea::placeholder{color:var(--faint)}
.letter__note{font-size:.88rem;min-height:1.4em;color:#8fd694}

/* footer */
.footer{border-top:1px solid var(--line);margin-top:96px;overflow:hidden}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:28px;padding:52px 26px 10px}
.footer__grid nav{display:grid;gap:9px;align-content:start;font-size:.92rem;color:var(--gray)}
.footer__grid nav b{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--faint)}
.footer__grid nav a:hover{color:#fff}
.footer .muted{font-size:.9rem;margin-top:14px}
.footer__giant{font-family:var(--disp);font-weight:700;font-size:clamp(5rem,20vw,16rem);line-height:.9;text-align:center;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.16);margin:20px 0 -10px;user-select:none}
.footer__base{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);padding:18px 26px;color:var(--faint);font-size:.84rem}
.footer__base a:hover{color:#fff}

.to-top{position:fixed;bottom:22px;right:22px;width:48px;height:48px;border-radius:12px;background:var(--acc);color:#fff;border:0;font-size:1.2rem;font-weight:800;cursor:pointer;opacity:0;pointer-events:none;transition:.3s;z-index:60;box-shadow:0 10px 28px rgba(236,53,36,.4)}
.to-top.show{opacity:1;pointer-events:auto}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease var(--d,0s),transform .7s cubic-bezier(.2,.7,.2,1) var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* cursor aura — a soft red flashlight that trails the pointer */
.aura{position:fixed;top:0;left:0;width:360px;height:360px;margin:-180px 0 0 -180px;border-radius:50%;pointer-events:none;z-index:1;background:radial-gradient(circle,rgba(236,53,36,.15),rgba(236,53,36,.04) 45%,transparent 70%);opacity:0;transition:opacity .4s,transform .3s}
.aura.on{opacity:1}
.aura.big{transform:scale(1.6)}
@media(pointer:coarse){.aura{display:none}}

/* responsive */
@media(max-width:900px){
  .studio{grid-template-columns:1fr;gap:36px}
  .invite{grid-template-columns:1fr;padding:36px}
}
@media(max-width:640px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .mast{padding-top:72px}
  .section{padding:60px 0 6px}
  .invite{padding:26px;border-radius:20px}
  .footer__grid{grid-template-columns:1fr}
  .creed__item{grid-template-columns:48px 1fr}
  .creed__item>span{height:38px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}