:root { --entry-max: 72rem; }

.mvp-entry-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 9rem, rgba(var(--dt-emission-rgb), .075), transparent 24rem),
    var(--canvas);
  color: var(--ink);
}

.mvp-entry-page::before {
  content: "";
  position: fixed;
  z-index: 51;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(var(--dt-emission-rgb), .9), transparent);
  pointer-events: none;
}

.mvp-entry-page .sitenav-inner { max-width: var(--entry-max); }
.mvp-entry-page .nav-links a:last-child {
  border: 1px solid rgba(var(--dt-emission-rgb), .32);
  background: var(--dt-emission-wash);
  color: var(--dt-emission-ink);
  font-weight: 700;
}

.mvp-entry-page .brand-with-wordmark { position: relative; }
.mvp-entry-page .brand-with-wordmark::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -.05rem;
  left: 0;
  height: .16rem;
  background: var(--dt-wordmark-underline);
  clip-path: var(--dt-wordmark-underline-shape);
  filter: var(--dt-wordmark-underline-idle-filter);
  opacity: .52;
  transition: filter .18s ease, opacity .18s ease;
}
.mvp-entry-page .brand-with-wordmark:hover::after {
  filter: var(--dt-wordmark-underline-hover-filter);
  opacity: 1;
}

.entry-skip {
  position: fixed;
  z-index: 100;
  top: .45rem;
  left: .6rem;
  padding: .55rem .75rem;
  border: 1px solid var(--dt-emission-ink);
  border-radius: 9px;
  background: var(--surface);
  color: var(--dt-emission-ink);
  font: 700 .8rem/1 var(--sans);
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform .14s ease;
}
.entry-skip:focus { transform: translateY(0); }

.entry-main {
  width: min(calc(100% - 2rem), var(--entry-max));
  margin: 0 auto;
  padding: clamp(2.6rem, 6vw, 5.2rem) 0 clamp(2.4rem, 5vw, 4rem);
}

.entry-hero {
  max-width: 49rem;
  margin: 0 auto clamp(1.8rem, 4vw, 2.8rem);
  text-align: center;
}
.entry-mark {
  display: block;
  width: clamp(3.6rem, 6vw, 4.6rem);
  height: auto;
  margin: 0 auto .9rem;
  filter: drop-shadow(0 10px 18px rgba(41, 37, 34, .13));
}
.entry-kicker {
  margin: 0 0 .7rem;
  color: var(--dt-emission-ink);
  font: 700 .71rem/1.2 var(--mono);
  letter-spacing: .13em;
  text-transform: uppercase;
}
.entry-hero h1 {
  margin: 0;
  font: 560 clamp(2.45rem, 6vw, 4.35rem)/1.02 var(--serif);
  letter-spacing: -.03em;
}
.entry-dek {
  max-width: 43rem;
  margin: .9rem auto 0;
  color: var(--muted);
  font: 400 clamp(1.05rem, 2vw, 1.24rem)/1.58 var(--serif);
}

.door-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.door-card {
  --door-signal: var(--dt-emission-ink);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 23rem;
  display: flex;
  flex-direction: column;
  padding: 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.door-card::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 0 auto;
  height: .22rem;
  background: linear-gradient(90deg, transparent, var(--door-signal), transparent);
  opacity: .72;
}
.door-card::after {
  content: attr(data-number);
  position: absolute;
  z-index: -1;
  top: .55rem;
  right: .85rem;
  color: rgba(41, 37, 34, .065);
  font: 800 4.3rem/1 var(--mono);
  letter-spacing: -.09em;
}
.door-card.is-walkthrough { background: var(--dt-category-resistance-surface); }
.door-card.is-sandbox {
  --door-signal: #b57825;
  background:
    radial-gradient(120% 145% at 0% 0%, rgba(210, 158, 74, .2), transparent 60%),
    var(--dt-brand-gradient-soft);
}
.door-card.is-live {
  --door-signal: var(--good);
  background: var(--dt-category-problem-surface);
}
.door-card:hover,
.door-card:focus-within {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--door-signal) 48%, var(--line-strong));
  box-shadow: var(--shadow-lg);
}

.door-badge {
  align-self: flex-start;
  min-height: 1.6rem;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .26rem .55rem;
  border: 1px solid color-mix(in srgb, var(--dt-accent) 24%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  color: var(--dt-accent-strong);
  font: 700 .61rem/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
.door-badge i {
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: var(--dt-emission-ink);
  box-shadow: 0 0 0 4px var(--dt-emission-wash);
}
.door-badge.is-live {
  border-color: color-mix(in srgb, var(--good) 30%, var(--line));
  color: #087553;
}
.door-badge.is-live i {
  background: var(--good);
  box-shadow: 0 0 0 4px rgba(15, 155, 112, .1);
}
.door-card h2 {
  margin: 3.2rem 0 .6rem;
  font: 600 1.85rem/1.08 var(--serif);
  letter-spacing: -.025em;
}
.door-card > p {
  margin: 0;
  color: var(--muted);
  font: 400 .91rem/1.58 var(--sans);
}
.door-facts {
  display: grid;
  gap: .45rem;
  margin: 1.05rem 0 1.35rem;
  padding: .9rem 0 0;
  border-top: 1px solid color-mix(in srgb, var(--door-signal) 19%, var(--line));
  color: var(--muted);
  font: 500 .79rem/1.4 var(--sans);
  list-style: none;
}
.door-facts li { display: flex; align-items: center; gap: .5rem; }
.door-facts li::before {
  content: "";
  width: .4rem;
  height: .4rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--door-signal);
}

.entry-action {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  min-height: 3.15rem;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .72rem .75rem .72rem 1rem;
  border: 1px solid rgba(var(--dt-emission-rgb), .68);
  border-radius: 12px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--dt-emission-ink) 88%, var(--dt-ink)), color-mix(in srgb, var(--dt-emission-ink) 70%, var(--dt-ink)));
  color: #fff;
  box-shadow: 0 0 0 1px rgba(var(--dt-emission-rgb), .08), 0 12px 28px rgba(0, 111, 123, .16), inset 0 1px 0 rgba(255, 255, 255, .13);
  font: 750 .89rem/1.25 var(--sans);
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.entry-action::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 32%, rgba(255, 255, 255, .14) 47%, transparent 62%);
  transform: translateX(-120%);
  transition: transform .48s ease;
}
.entry-action:hover {
  transform: translateY(-2px);
  border-color: var(--dt-emission);
  box-shadow: 0 0 0 1px rgba(var(--dt-emission-rgb), .28), 0 16px 30px rgba(0, 111, 123, .22);
}
.entry-action:hover::before { transform: translateX(120%); }
.entry-action:focus-visible {
  outline: 3px solid rgba(var(--dt-emission-rgb), .32);
  outline-offset: 3px;
}
.entry-arrow {
  width: 1.8rem;
  height: 1.8rem;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 1px solid rgba(var(--dt-emission-rgb), .55);
  border-radius: 999px;
  color: var(--dt-emission);
  font-family: var(--mono);
}

.entry-honesty {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin: 1rem 0 0;
  padding: .85rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: color-mix(in srgb, var(--surface) 74%, transparent);
  box-shadow: 0 12px 30px -28px rgba(41, 37, 34, .4);
}
.entry-honesty p {
  margin: 0;
  color: var(--faint);
  font: 500 .76rem/1.55 var(--sans);
}
.entry-honesty p + p { padding-left: .75rem; border-left: 1px solid var(--line); }
.entry-honesty strong { color: var(--muted); }

.entry-footer {
  width: min(calc(100% - 2rem), var(--entry-max));
  margin: 0 auto;
  padding: 0 0 1.6rem;
  display: flex;
  justify-content: center;
  gap: .45rem;
  color: var(--faint);
  font: 500 .71rem/1.45 var(--sans);
  text-align: center;
}
.entry-footer a { color: var(--dt-emission-ink); text-underline-offset: .16em; }

@media (max-width: 900px) {
  .door-grid { grid-template-columns: 1fr; }
  .door-card { min-height: 0; }
  .door-card h2 { margin-top: 2.4rem; }
}

@media (max-width: 620px) {
  .entry-main { width: calc(100% - 1rem); padding-top: 2rem; }
  .entry-hero { margin-bottom: 1.55rem; padding: 0 .45rem; }
  .entry-hero h1 { font-size: clamp(2.25rem, 12vw, 3.1rem); }
  .entry-dek { font-size: 1.03rem; }
  .door-grid { gap: .75rem; }
  .door-card { padding: 1rem; border-radius: 15px; }
  .entry-honesty { grid-template-columns: 1fr; padding: .8rem; }
  .entry-honesty p + p { padding: .7rem 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .entry-footer { width: calc(100% - 1rem); flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  .mvp-entry-page *,
  .mvp-entry-page *::before,
  .mvp-entry-page *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}