/* --------------------------- TEMAS (paletas) ------------------------- */
:root {
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
}

/* =========================================================================
   MORADO como protagonista. 3 variantes dentro de la MISMA familia>
   juega con ellas cambiando --accent, --accent2, --grad, --bg…
   ========================================================================= */

/* 1 · Noche  (morado vivo sobre fondo oscuro) - por defecto */
[data-theme="noche"] {
  --bg:#140424; --bg2:#1E0838; --line:#3C1D63;
  --text:#F3E8FF; --muted:#B597DD;
  --accent:#A64DFF; --accent2:#D633C9;
  --grad:linear-gradient(105deg,#B26BFF,#8A2BE2 48%,#D633C9);
  --halo:rgba(166,77,255,.42);
  --blob1:166,77,255; --blob2:214,51,201; --blob3:30,8,56;
  /* Solo los cantos un poco más oscuros; el centro queda igual */
  --vignette:radial-gradient(ellipse 60% 70% at 50% 44%,
             transparent 30%, rgba(6,1,14,.55) 66%, rgba(3,0,8,.95) 100%);
}
/* 2 · Luz  (morado vivo sobre fondo claro - la línea que te gustó) */
[data-theme="luz"] {
  --bg:#F7F2FE; --bg2:#EEE3FB; --line:#DBC8F2;
  --text:#1C0A36; --muted:#6A4F8C;
  --accent:#7A14E6; --accent2:#C026D3;
  --grad:linear-gradient(105deg,#8A2BE2,#7A14E6 52%,#C026D3);
  --halo:rgba(122,20,230,.26);
  --blob1:150,60,240; --blob2:200,45,220; --blob3:216,200,238;
  --vignette:radial-gradient(ellipse 110% 95% at 50% 45%,
             transparent 55%, rgba(90,40,150,.06) 100%);
}

/* ------------------------------ Reset -------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100svh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .5s ease, color .5s ease;
}
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: var(--bg); }

#bg-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -3; }
.vignette {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background: var(--vignette); transition: background .5s ease;
}
.grain {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
[data-theme="luz"] .grain { opacity: .03; }

/* ----------------------- Toggle claro / oscuro ---------------------- */
.mode-toggle {
  position: fixed; top: 1.1rem; right: 1.1rem; z-index: 30;
  padding: 0; border: none; background: none; cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.mode-toggle__track {
  position: relative; display: block; width: 64px; height: 32px; border-radius: 999px;
  background: color-mix(in srgb, var(--bg2) 80%, transparent);
  border: 1px solid var(--line); backdrop-filter: blur(12px);
  transition: background .5s ease, border-color .5s ease;
}
.mode-toggle__knob {
  position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent); box-shadow: 0 2px 12px var(--halo);
  transition: transform .4s cubic-bezier(.3,.8,.3,1.25), background .5s ease;
}
.mode-toggle__ic {
  grid-area: 1 / 1; width: 15px; height: 15px; color: var(--bg);
  transition: opacity .3s ease, transform .3s ease;
}
/* Oscuro (noche): knob a la izquierda, muestra la luna */
.mode-toggle__ic--sun  { opacity: 0; transform: rotate(-90deg) scale(.5); }
.mode-toggle__ic--moon { opacity: 1; transform: rotate(0) scale(1); }
/* Claro (luz): knob se desliza a la derecha, muestra el sol */
[data-theme="luz"] .mode-toggle__knob { transform: translateX(32px); }
[data-theme="luz"] .mode-toggle__ic--sun  { opacity: 1; transform: rotate(0) scale(1); }
[data-theme="luz"] .mode-toggle__ic--moon { opacity: 0; transform: rotate(90deg) scale(.5); }
.mode-toggle:hover .mode-toggle__track { border-color: var(--accent); }
.mode-toggle:focus-visible .mode-toggle__track { box-shadow: 0 0 0 3px var(--halo); outline: none; }

/* ------------------------------ Stage -------------------------------- */
.stage {
  min-height: 100svh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: clamp(1.2rem, 3svh, 2.5rem) clamp(1.2rem, 5vw, 3rem);
  gap: 0;
}
.stage__logo { height: 52px; width: auto; margin-bottom: 1.8rem; }
[data-theme="light"] .stage__logo { filter: invert(1) hue-rotate(180deg) brightness(.7); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.2rem;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 var(--halo); animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--halo); }
  70% { box-shadow: 0 0 0 12px rgba(0,0,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,0,0,0); }
}

.title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, min(6.5vw, 8svh), 4.6rem); line-height: 1; letter-spacing: -.02em;
  margin-bottom: 1rem;
}
.title .line { display: block; }
.title .line--accent, .title .gchar {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}

.tagline {
  color: var(--muted); font-size: clamp(.98rem, 2.2vw, 1.2rem);
  max-width: 40ch; margin-bottom: clamp(1.2rem, 4svh, 3rem);
}

/* ------------------------------ Mes ---------------------------------- */
.month { display: flex; flex-direction: column; align-items: center; margin-bottom: 1.4rem; }
.month__pre { font-size: .76rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.month__big {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(3.4rem, min(17vw, 24svh), 12rem); line-height: .88; letter-spacing: -.03em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 8px 44px var(--halo));
}
.month__year {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.1rem, 4vw, 1.9rem); color: var(--muted); letter-spacing: .34em;
  margin-top: .2rem;
}

/* ----------------------------- Contador ------------------------------ */
.clock { display: flex; align-items: flex-start; justify-content: center; gap: clamp(.4rem, 2vw, 1.2rem); flex-wrap: wrap; }
.u { display: flex; flex-direction: column; align-items: center; min-width: clamp(56px, 13vw, 92px); }
.u__n {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(2.2rem, min(8vw, 8svh), 4.2rem); line-height: 1;
  font-variant-numeric: tabular-nums; color: var(--text);
}
.u__n.tick { animation: tick .5s ease; }
@keyframes tick {
  0% { transform: translateY(-.18em); opacity: .2; filter: blur(2px); }
  100% { transform: translateY(0); opacity: 1; filter: blur(0); }
}
.u__l { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: .5rem; }
.u__sep { font-family: var(--font-display); font-size: clamp(1.6rem, 6vw, 3.2rem); color: var(--accent); opacity: .5; line-height: 1.15; }
@media (max-width: 520px) { .u__sep { display: none; } .clock { gap: 1rem 1.4rem; } }

.note {
  margin-top: clamp(1rem, 3svh, 1.8rem); font-size: .9rem; color: var(--muted);
  display: inline-flex; align-items: center; gap: .7rem; flex-wrap: wrap; justify-content: center;
}
.pill {
  font-size: .72rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--accent); border-radius: 999px;
  padding: .28rem .7rem; background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.cta-wrap { margin-top: clamp(1.2rem, 3.5svh, 2rem); }
.cta {
  display: inline-block; text-decoration: none;
  font-family: var(--font-display); font-weight: 600;
  font-size: .95rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text); padding: .8rem 1.6rem; border-radius: 999px;
  border: 1px solid var(--accent);
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 25%, transparent), color-mix(in srgb, var(--accent2) 25%, transparent));
  transition: transform .25s cubic-bezier(.2,.7,.2,1), box-shadow .25s ease, background .25s ease;
}
.cta:hover, .cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px color-mix(in srgb, var(--accent) 40%, transparent);
  background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 45%, transparent), color-mix(in srgb, var(--accent2) 45%, transparent));
}

/* --------------------------- Animación ------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}