* { box-sizing: border-box; }

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #050505;
}

.site-shell,
.site-frame {
  width: 100%;
  height: 100dvh;
  margin: 0;
  border: 0;
}

.site-shell {
  position: fixed;
  inset: 0;
  isolation: isolate;
}

.site-frame {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  background: #050505;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site-frame.is-active.site-frame--entered {
  z-index: 1;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

html.os-skip-entry:not(.os-direct-route) .entry-gate { display: none; }

/* Contact, Sign Up and Terms never use the homepage entry experience. Hide
   it before the first paint so direct visits show only the neutral shell
   while their already-styled iframe finishes loading. */
html.os-direct-route .entry-gate { display: none; }

.entry-gate {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #111113;
  opacity: 1;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.entry-gate--hidden {
  opacity: 0;
  pointer-events: none;
}

.entry-gate__grain {
  position: absolute;
  inset: -10%;
  opacity: 0.18;
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 160px 160px;
  animation: none;
}

.entry-gate__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.entry-gate__icon {
  width: clamp(40px, 5vw, 58px);
  height: auto;
  animation: entry-icon-pulse 1.8s ease-in-out infinite;
}

.entry-gate__button {
  --entry-cta-pad: 42px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-width: 220px;
  min-height: 74px;
  padding: 0 var(--entry-cta-pad);
  border: 1px solid rgb(240 239 233 / 0.48);
  border-radius: 999px;
  overflow: hidden;
  color: #a5a5a1;
  background: transparent;
  font: 600 0.78rem/1 Arial, Helvetica, sans-serif;
  letter-spacing: 0.16em;
  text-align: center;
  text-transform: uppercase;
  cursor: pointer;
  transition: padding 0.35s cubic-bezier(0.16, 1, 0.3, 1), color 0.25s ease, border-color 0.25s ease;
}

.entry-gate__button::after {
  content: "↗";
  position: absolute;
  right: 27px;
  top: 50%;
  font-size: 18px;
  opacity: 0;
  transform: translate(8px, -50%);
  transition: opacity 0.25s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.entry-gate__button:not(:disabled):hover,
.entry-gate__button:not(:disabled):focus-visible {
  padding-left: calc(var(--entry-cta-pad) - 10px);
  padding-right: calc(var(--entry-cta-pad) + 10px);
  color: #fff;
  border-color: currentColor;
}

.entry-gate__button:not(:disabled):hover::after,
.entry-gate__button:not(:disabled):focus-visible::after {
  opacity: 1;
  transform: translate(0, -50%);
}

.entry-gate__button:disabled {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

@keyframes entry-icon-pulse {
  0%, 100% { opacity: 0.8; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes entry-grain-drift {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-2%, 1%); }
  40% { transform: translate(1%, -2%); }
  60% { transform: translate(-1%, 2%); }
  80% { transform: translate(2%, 1%); }
}

@media (max-width: 900px) {
  .entry-gate__inner { gap: clamp(22px, 4.5vw, 34px); }
  .entry-gate__icon { width: clamp(84px, 23vw, 132px); }

  .entry-gate__button {
    display: inline-block;
    min-width: 0;
    min-height: 0;
    padding: 0.5rem 0.75rem;
    border: 0;
    border-radius: 0;
    overflow: visible;
    transition: color 0.25s ease;
  }

  .entry-gate__button::after {
    content: "";
    right: 0.75rem;
    top: auto;
    bottom: 0.2rem;
    left: 0.75rem;
    height: 1px;
    background: currentColor;
    opacity: 1;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .entry-gate__button:not(:disabled):hover,
  .entry-gate__button:not(:disabled):focus-visible {
    padding: 0.5rem 0.75rem;
    border-color: transparent;
  }

  .entry-gate__button:not(:disabled):hover::after,
  .entry-gate__button:not(:disabled):focus-visible::after {
    opacity: 1;
    transform: scaleX(1);
  }

  .entry-gate__button:disabled::after {
    opacity: 1;
    transform: scaleX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .entry-gate { transition-duration: 0.01ms; }
  .entry-gate__grain,
  .entry-gate__icon { animation: none; }
}

/* The entry action is deliberately a word, not a pill CTA. It only gains a
   fine underline on hover or keyboard focus at every viewport size. */
.entry-gate__button {
  display: inline-block;
  min-width: 0;
  min-height: 0;
  padding: 0.5rem 0.75rem;
  border: 0;
  border-radius: 0;
  overflow: visible;
  transition: color 0.25s ease;
}

.entry-gate__button::after {
  content: "";
  position: absolute;
  top: auto;
  right: 0.75rem;
  bottom: 0.2rem;
  left: 0.75rem;
  width: auto;
  height: 1px;
  background: currentColor;
  opacity: 1;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.entry-gate__button:not(:disabled):hover,
.entry-gate__button:not(:disabled):focus-visible {
  padding: 0.5rem 0.75rem;
  border-color: transparent;
}

.entry-gate__button:not(:disabled):hover::after,
.entry-gate__button:not(:disabled):focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.entry-gate__button:disabled::after {
  opacity: 1;
  transform: scaleX(0);
}