:root {
  --bg: #0A0B0D;
  --bg-2: #121418;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(160, 232, 0, 0.08);
  --border: rgba(255, 255, 255, 0.09);
  --text: #F4F5F2;
  --muted: #8C9087;
  --lime: #A0E800;
  --lime-soft: rgba(160, 232, 0, 0.18);
  --radius: 16px;
  --font: "Kodchasan", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: var(--font);
}

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

html, body { margin: 0; min-height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image:
    radial-gradient(60rem 40rem at 50% -10%, rgba(160, 232, 0, 0.10), transparent 60%),
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
  background-attachment: fixed;
}

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

/* ---------- Página ---------- */
.page {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  min-height: 100svh;
  padding: 56px 16px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
  position: relative;
  z-index: 30; /* el logo queda por encima de la capa de intro */
}

.logo {
  width: 190px;
  height: auto;
  display: block;
  overflow: visible;
  will-change: transform;
  filter: drop-shadow(0 0 18px rgba(160, 232, 0, 0.15));
}

.logo__lines path {
  fill: none;
  stroke-width: 0.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tagline {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Enlaces ---------- */
.links {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.link {
  --accent: var(--lime);
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 64px;
  padding: 12px 16px 12px 12px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
  -webkit-tap-highlight-color: transparent;
}

/* barrido de luz al pasar el cursor */
.link::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 30%, rgba(160, 232, 0, 0.12) 50%, transparent 70%);
  transform: translateX(-110%);
  transition: transform .6s ease;
  pointer-events: none;
}

.link:hover, .link:focus-visible {
  border-color: rgba(160, 232, 0, 0.45);
  background: var(--surface-hover);
  transform: translateY(-2px);
}
.link:hover::after, .link:focus-visible::after { transform: translateX(110%); }
.link:active { transform: scale(0.98); }
.link:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

.link__icon {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  transition: background .25s ease, color .25s ease;
}
.link__icon svg { width: 20px; height: 20px; }
.link:hover .link__icon, .link:focus-visible .link__icon { background: var(--lime); color: var(--bg); }

.link__text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.link__title { font-weight: 600; font-size: 16px; }
.link__sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link__arrow { flex: none; width: 18px; height: 18px; color: var(--muted); transition: color .25s ease, transform .25s ease; }
.link:hover .link__arrow { color: var(--lime); transform: translate(2px, -2px); }

/* Enlace destacado (web) */
.link--primary {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--bg);
}
.link--primary .link__icon { background: rgba(10, 11, 13, 0.12); color: var(--bg); }
.link--primary .link__sub, .link--primary .link__arrow { color: rgba(10, 11, 13, 0.65); }
.link--primary:hover, .link--primary:focus-visible { background: #B4F52A; border-color: #B4F52A; }
.link--primary:hover .link__icon { background: var(--bg); color: var(--lime); }
.link--primary:hover .link__arrow { color: var(--bg); }
.link--primary::after { background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%); }

.foot {
  margin-top: auto;
  padding-top: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.foot__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
}

/* ---------- Intro ---------- */
.intro {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--bg);
  display: none;
  overflow: hidden;
}
.is-intro .intro { display: block; }

.intro__grid {
  position: absolute; inset: -40px;
  background-image:
    linear-gradient(rgba(160,232,0,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160,232,0,0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(circle at center, #000 0%, transparent 65%);
          mask-image: radial-gradient(circle at center, #000 0%, transparent 65%);
  opacity: 0;
}
.intro__glow {
  position: absolute; left: 50%; top: 50%;
  width: 70vmax; height: 70vmax;
  transform: translate(-50%, -50%) scale(0.6);
  background: radial-gradient(circle, rgba(160,232,0,0.22), transparent 60%);
  opacity: 0;
}
.intro__scan {
  position: absolute; top: 0; bottom: 0; left: 0;
  width: 30vw;
  background: linear-gradient(90deg, transparent, rgba(160,232,0,0.25), transparent);
  transform: translateX(-70vw) skewX(-12deg);
}
.intro__skip {
  position: absolute;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 40;
  font: 500 12px var(--mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
}
.intro__skip:hover { color: var(--text); border-color: rgba(160,232,0,0.4); }

/* Mientras dura la intro, el contenido está oculto (GSAP lo revela) */
.is-intro [data-reveal],
.is-intro .link { opacity: 0; }
.is-intro .logo { opacity: 0; }

@media (min-width: 640px) {
  .page { padding-top: 80px; }
  .logo { width: 220px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}