@import url("https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600&display=swap");

:root { --font: "Geist", system-ui, -apple-system, sans-serif; }

*,*::before,*::after { box-sizing: border-box; }
html, body {
  -webkit-tap-highlight-color: transparent; height: 100%; margin: 0; overflow: hidden; overscroll-behavior: none; }
body { font-family: var(--font); background: #0a0405; }

/* full-viewport gooey metaballs — blur + contrast fuses neighbouring blobs */
.goo {
  position: fixed; inset: 0; z-index: 1;
  filter: blur(42px) contrast(20);
  background: #140706;        /* solid backdrop so contrast hardens blob edges */
}
.blobs { position: absolute; inset: 0; }
.blob { position: absolute; top: 0; left: 0; border-radius: 50%; will-change: transform; }

/* warm heat glow from the bottom + a soft vignette, layered over the goo */
.glow {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background:
    radial-gradient(120% 55% at 50% 108%, rgba(255,150,50,0.30), transparent 60%),
    radial-gradient(120% 120% at 50% 50%, transparent 52%, rgba(8,2,3,0.6) 100%);
  mix-blend-mode: screen;
}

/* ---- frame / hint ---- */
.frame { position: fixed; inset: 0; pointer-events: none; z-index: 10; }
.frame__corner {
  position: absolute; font-size: clamp(0.56rem, 1.2vw, 0.7rem); font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255, 170, 110, 0.4);
  white-space: nowrap; font-family: var(--font); text-shadow: 0 1px 6px rgba(0,0,0,0.6);
}
.frame__corner--tl { top: clamp(18px, 3.5vw, 34px); left: clamp(18px, 3.5vw, 34px); }
.frame__corner--tr { top: clamp(18px, 3.5vw, 34px); right: clamp(18px, 3.5vw, 34px); }
.frame__corner--bl { bottom: clamp(20px, 3.5vw, 34px); left: clamp(18px, 3.5vw, 34px); }
.frame__corner a { color: inherit; text-decoration: none; pointer-events: auto; border-bottom: 1px solid transparent; transition: color .14s, border-color .14s; }
.frame__corner a:hover { color: rgba(255, 210, 150, 0.85); border-bottom-color: rgba(255, 170, 110, 0.5); }

.hint {
  position: fixed; bottom: clamp(20px, 3.5vw, 34px); left: 50%; transform: translateX(-50%);
  margin: 0; font-size: 0.64rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255, 170, 110, 0.42); pointer-events: none; z-index: 10; white-space: nowrap;
  text-shadow: 0 1px 6px rgba(0,0,0,0.6);
}