:root {
  --bg: #000000;
  --ink: #dce7d2;
  --ink-hi: #f2f7eb;
  --ink-68: rgba(220, 231, 210, 0.68);
  --ink-46: rgba(220, 231, 210, 0.46);
  --ink-30: rgba(220, 231, 210, 0.30);
  --ink-17: rgba(220, 231, 210, 0.17);
  /* Copy greys are pre-blended on black (same pixels as the old rgba values)
     so small text renders with full-colour anti-aliasing: crisper edges. */
  --copy-main: rgb(111, 114, 112);   /* was rgba(168, 173, 169, 0.66) */
  --copy-mid: rgb(75, 78, 76);       /* was rgba(150, 155, 151, 0.50) */
  --copy-soft: rgb(57, 59, 58);      /* was rgba(136, 141, 137, 0.42) */
  --copy-faint: rgb(32, 34, 33);     /* was rgba(124, 129, 125, 0.26) */
  --track-wide: 0.42em;
  --track-mid: 0.30em;
  --pin-length: 280svh;
}

@font-face {
  font-family: "Atreptos Sans";
  src: url("../fonts/AtreptosSans-Light.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Atreptos Sans";
  src: url("../fonts/AtreptosSans-Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--bg);
  color-scheme: dark;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Atreptos Sans", Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: clip;
  text-rendering: geometricPrecision;
}

.debug-progress {
  display: none; /* solo se activa con #debug en la URL (main.js) */
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 9999;
  padding: 8px 12px;
  border: 1px solid rgba(220, 231, 210, 0.28);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.56);
  color: var(--ink);
  font-family: "Atreptos Sans", Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  pointer-events: none;
  user-select: none;
}

.debug-progress.is-on { display: block; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.stage {
  position: relative;
  min-height: var(--pin-length);
  background: var(--bg);
}

.stage__viewport {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background: var(--bg);
}

.stage__bloom {
  position: absolute;
  z-index: 0;
  inset: -12%;
  pointer-events: none;
  background:
    radial-gradient(44% 38% at 50% 40%, rgba(220, 231, 210, 0.072), rgba(220, 231, 210, 0) 70%),
    radial-gradient(72% 62% at 50% 50%, rgba(220, 231, 210, 0.022), rgba(0, 0, 0, 0) 74%);
  will-change: opacity, transform;
}

.mark {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
}

.mark svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.mark__exact,
.mark__letters path {
  fill: var(--ink);
  shape-rendering: geometricPrecision;
}

.mark__geometry {
  fill: none;
  stroke: rgba(220, 231, 210, .78);
  stroke-width: 1.05;
  vector-effect: non-scaling-stroke;
  shape-rendering: geometricPrecision;
  will-change: opacity, transform;
}

.mark__geometry .geo-inner {
  stroke: rgba(220, 231, 210, .66);
}

.mark__geometry .geo-line {
  stroke: rgba(220, 231, 210, .46);
}

.mark__geometry .geo-dot {
  fill: rgba(220, 231, 210, .68);
  stroke: none;
}

.stage__copy {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: 73%;
  padding-inline: max(18px, env(safe-area-inset-left));
  text-align: center;
  pointer-events: none;
  will-change: top;
}

.tagline,
.closer {
  margin: 0;
  font-family: "Atreptos Sans", Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(10px, calc(0.38vw + 0.22vh), 15px);
  font-weight: 300;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.tagline {
  letter-spacing: var(--track-wide);
  text-indent: var(--track-wide);
  color: var(--copy-main);
}

.closer {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.85em, 1.8vw, 1.7em);
  letter-spacing: var(--track-mid);
  text-indent: var(--track-mid);
  color: var(--copy-main);
  will-change: opacity, transform;
}

.closer__rule {
  display: block;
  flex: 0 0 auto;
  width: clamp(40px, 9vw, 132px);
  height: 1px;
  background: linear-gradient(90deg, rgba(150,155,151,0) 0%, rgba(150,155,151,.42) 100%);
}

.closer__rule:last-child {
  background: linear-gradient(90deg, rgba(150,155,151,.42) 0%, rgba(150,155,151,0) 100%);
}

.cue {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: max(4.6vh, calc(22px + env(safe-area-inset-bottom)));
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(10px, 1.2vh, 14px);
  pointer-events: none;
  will-change: opacity;
}

.cue__label {
  font-family: "Atreptos Sans", Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(9px, calc(0.26vw + 0.14vh), 12px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.50em;
  text-indent: 0.50em;
  text-transform: uppercase;
  color: var(--copy-soft);
}

/* Visible track + a bright segment that continuously travels downward. */
.cue__line {
  position: relative;
  display: block;
  width: 1px;
  height: clamp(42px, 6vh, 68px);
  background: linear-gradient(180deg, rgba(148,153,149,.36) 0%, rgba(148,153,149,.11) 62%, transparent 100%);
  overflow: hidden;
}

.cue__line::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 3px;
  height: 18px;
  transform: translate(-50%, -24px);
  background: linear-gradient(180deg, rgba(224,229,225,0), rgba(224,229,225,.86) 42%, rgba(224,229,225,.08) 100%);
  filter: drop-shadow(0 0 4px rgba(220,231,210,.32));
  animation: cue-sweep 1.75s cubic-bezier(.4, 0, .2, 1) infinite;
}

@keyframes cue-sweep {
  0%   { transform: translate(-50%, -24px); opacity: 0; }
  12%  { opacity: 1; }
  78%  { opacity: .95; }
  100% { transform: translate(-50%, 72px); opacity: 0; }
}

.footer {
  position: relative;
  min-height: clamp(132px, 19svh, 230px);
  display: grid;
  place-items: center;
  padding: 44px max(20px, env(safe-area-inset-left)) max(36px, calc(28px + env(safe-area-inset-bottom)));
  text-align: center;
  background: var(--bg);
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: min(92vw, 1120px);
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, rgba(150,155,151,0), rgba(150,155,151,.14), rgba(150,155,151,0));
}

.footer__copy {
  margin: 0;
  font-size: clamp(10px, calc(0.28vw + 0.12vh), 13px);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: 0.16em;
  color: rgb(121, 124, 122); /* was rgba(195, 200, 196, 0.62), pre-blended */
}

.noscript-mark {
  margin: 0;
  padding: 28vh 0 12vh;
  text-align: center;
  font-size: clamp(28px, 7vw, 64px);
  color: var(--ink);
}

@media (max-aspect-ratio: 4/5) {
  :root {
    --pin-length: 260svh;
    --track-wide: 0.32em;
    --track-mid: 0.22em;
  }

  .stage__copy { top: 72%; }
  .closer { gap: .9em; }
  .closer__rule { width: clamp(26px, 11vw, 54px); }
  .cue { bottom: max(4vh, calc(18px + env(safe-area-inset-bottom))); }
}

@media (max-width: 420px) {
  :root {
    --track-wide: 0.28em;
    --track-mid: 0.18em;
  }

  .tagline,
  .closer { font-size: clamp(9px, 2.45vw, 11px); }
  .cue__label { font-size: 9px; }
}

@media (min-width: 2560px) {
  .tagline,
  .closer { font-size: 15px; }
  .cue__label { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .cue__line::after { animation: none; }
}

@supports not (height: 100svh) {
  .stage__viewport { height: 100vh; }
}