/* =====================================================================
   KʼUʼ KAAB · Códice Digital Maya
   Paleta: obsidiana, jade, azul maya, oro, cinabrio
   ===================================================================== */

:root{
  --obsidiana:   #070b0a;
  --obsidiana-2: #0c1614;
  --jade:        #1fd6a6;
  --jade-soft:   #14b088;
  --azul-maya:   #2fbfd6;
  --oro:         #e6b84c;
  --cinabrio:    #e0563f;
  --hueso:       #e9e2d0;
  --hueso-dim:   #9aa39b;

  --fuente-titulo: "Cinzel", serif;
  --fuente-texto:  "Rajdhani", sans-serif;
  --fuente-mono:   "JetBrains Mono", monospace;

  --glow-jade: 0 0 18px rgba(31,214,166,.55), 0 0 42px rgba(31,214,166,.25);
  --borde: 1px solid rgba(31,214,166,.18);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  font-family:var(--fuente-texto);
  background:var(--obsidiana);
  color:var(--hueso);
  overflow-x:hidden;
  line-height:1.5;
  cursor:none;
}
@media (hover:none){ body{ cursor:auto; } }

/* ---- Lienzos de fondo, siempre activos ---- */
#codex-rain, #constellation{
  position:fixed; inset:0; width:100%; height:100%;
  z-index:0; pointer-events:none;
}
#codex-rain{ opacity:.55; }
#constellation{ opacity:.65; }

/* ---- Cursor personalizado con estela jade ---- */
#cursor-glow{
  position:fixed; top:0; left:0; width:26px; height:26px;
  border:1.5px solid var(--jade); border-radius:50%;
  transform:translate(-50%,-50%);
  pointer-events:none; z-index:9999;
  box-shadow:var(--glow-jade);
  transition:width .18s, height .18s, background .18s, border-color .18s;
  mix-blend-mode:screen;
}
#cursor-glow.is-hot{
  width:46px; height:46px;
  background:rgba(31,214,166,.12);
  border-color:var(--oro);
}
@media (hover:none){ #cursor-glow{ display:none; } }

/* ---- Scanlines + viñeta (capa CRT constante) ---- */
.scanlines{
  position:fixed; inset:0; z-index:2; pointer-events:none;
  background:repeating-linear-gradient(
    to bottom, transparent 0 2px, rgba(0,0,0,.10) 2px 3px);
  mix-blend-mode:multiply; opacity:.6;
  animation:scanmove 8s linear infinite;
}
@keyframes scanmove{ to{ background-position:0 100px; } }
.vignette{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  background:radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,.75) 100%);
}

/* ---- Barra de progreso de scroll ---- */
.progress-bar{
  position:fixed; top:0; left:0; height:3px; width:0;
  background:linear-gradient(90deg,var(--jade),var(--azul-maya),var(--oro));
  z-index:9998; box-shadow:var(--glow-jade);
}

/* Todo el contenido por encima de los lienzos */
header,section,footer{ position:relative; z-index:3; }

/* =====================  NAV  ===================== */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:1rem clamp(1rem,4vw,3rem);
  backdrop-filter:blur(8px);
  background:linear-gradient(to bottom,rgba(7,11,10,.85),transparent);
  transition:background .3s;
}
.nav.is-scrolled{ background:rgba(7,11,10,.92); border-bottom:var(--borde); }
.nav__brand{
  display:flex; align-items:center; gap:.6rem;
  text-decoration:none; color:var(--hueso);
}
.nav__glyph{ width:34px; height:34px; display:inline-block; }
.nav__name{
  font-family:var(--fuente-titulo); font-weight:700; letter-spacing:.18em;
  font-size:1.05rem;
}
.nav__links{ display:flex; gap:clamp(.8rem,2vw,2rem); }
.nav__links a{
  color:var(--hueso-dim); text-decoration:none; font-weight:500;
  letter-spacing:.08em; font-size:.95rem; position:relative;
  text-transform:uppercase; transition:color .25s;
}
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:-6px; height:2px; width:0;
  background:var(--jade); box-shadow:var(--glow-jade); transition:width .3s;
}
.nav__links a:hover{ color:var(--jade); }
.nav__links a:hover::after{ width:100%; }
@media(max-width:720px){ .nav__links{ display:none; } }

/* =====================  GRECA (patrón escalonado infinito)  ===================== */
.greca{
  position:absolute; left:0; right:0; height:26px;
  background-image:
    repeating-linear-gradient(90deg,
      var(--oro) 0 4px, transparent 4px 8px,
      var(--jade) 8px 12px, transparent 12px 16px);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='26' viewBox='0 0 48 26'%3E%3Cpath fill='%23000' d='M0 8h8V0h16v8h8v10h8v8H24v-8H8v8H0z'/%3E%3C/svg%3E") repeat-x;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='26' viewBox='0 0 48 26'%3E%3Cpath fill='%23000' d='M0 8h8V0h16v8h8v10h8v8H24v-8H8v8H0z'/%3E%3C/svg%3E") repeat-x;
  -webkit-mask-size:48px 26px; mask-size:48px 26px;
  opacity:.7; animation:grecaSlide 6s linear infinite;
}
@keyframes grecaSlide{ to{ background-position:96px 0; } }
.greca--top{ top:76px; }
.greca--mid{ top:0; }
.greca--bottom{ top:0; }

/* =====================  HERO  ===================== */
.hero{
  min-height:100vh; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  text-align:center; padding:7rem 1.5rem 3rem; gap:1.4rem;
}
.hero__inner{ max-width:820px; }
.hero__eyebrow{
  font-family:var(--fuente-mono); color:var(--jade);
  letter-spacing:.16em; font-size:.85rem; margin-bottom:1rem; text-transform:uppercase;
}
.blink{ animation:blink 1s steps(1) infinite; }
@keyframes blink{ 50%{ opacity:0; } }

.hero__title{
  font-family:var(--fuente-titulo); font-weight:900;
  font-size:clamp(3.2rem,14vw,9rem); line-height:.92;
  letter-spacing:.04em; margin:.2rem 0 1rem;
  position:relative; display:inline-block;
}
.hero__title-line{ display:block; }
.hero__title-line--accent{
  color:var(--jade);
  text-shadow:var(--glow-jade);
  animation:pulseGlow 3.5s ease-in-out infinite;
}
@keyframes pulseGlow{
  0%,100%{ text-shadow:0 0 18px rgba(31,214,166,.55),0 0 42px rgba(31,214,166,.25); }
  50%{ text-shadow:0 0 26px rgba(47,191,214,.75),0 0 60px rgba(47,191,214,.4); }
}
/* glitch en hover del título */
.hero__title::before,.hero__title::after{
  content:attr(data-glitch); position:absolute; inset:0;
  opacity:0; pointer-events:none;
  font-family:var(--fuente-titulo); font-weight:900;
  display:flex; align-items:center; justify-content:center;
}
.hero:hover .hero__title::before{
  opacity:.8; color:var(--cinabrio); animation:glitch1 .5s steps(2) 2;
}
.hero:hover .hero__title::after{
  opacity:.8; color:var(--azul-maya); animation:glitch2 .5s steps(2) 2;
}
@keyframes glitch1{ 0%{transform:translate(0)} 50%{transform:translate(-4px,2px)} 100%{transform:translate(3px,-2px)} }
@keyframes glitch2{ 0%{transform:translate(0)} 50%{transform:translate(4px,-2px)} 100%{transform:translate(-3px,2px)} }

.hero__sub{ font-size:clamp(1.05rem,2.2vw,1.35rem); color:var(--hueso-dim); font-weight:400; }
.hero__sub strong{ color:var(--hueso); font-weight:600; }
.hero__sub em{ color:var(--oro); font-style:normal; }

.hero__cta{ display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; margin-top:1.6rem; }

/* Botones */
.btn{
  font-family:var(--fuente-texto); font-weight:600; letter-spacing:.06em;
  text-transform:uppercase; font-size:.95rem;
  padding:.8rem 1.6rem; border-radius:2px; text-decoration:none;
  position:relative; overflow:hidden; transition:transform .2s, box-shadow .3s;
  border:1px solid transparent;
}
.btn--primary{ background:var(--jade); color:var(--obsidiana); box-shadow:var(--glow-jade); }
.btn--primary:hover{ transform:translateY(-3px); box-shadow:0 0 30px rgba(31,214,166,.8); }
.btn--ghost{ color:var(--jade); border-color:var(--jade); background:transparent; }
.btn--ghost:hover{ background:rgba(31,214,166,.1); transform:translateY(-3px); }
.btn::after{
  content:""; position:absolute; top:0; left:-120%; width:60%; height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg); animation:sheen 3.5s ease-in-out infinite;
}
@keyframes sheen{ 0%,100%{ left:-120%; } 55%,70%{ left:150%; } }

/* Terminal */
.terminal{
  margin:2rem auto 0; max-width:640px; text-align:left;
  border:var(--borde); border-radius:8px; overflow:hidden;
  background:rgba(6,12,11,.82); backdrop-filter:blur(4px);
  box-shadow:0 20px 60px rgba(0,0,0,.6), inset 0 0 40px rgba(31,214,166,.05);
}
.terminal__bar{
  display:flex; align-items:center; gap:.5rem;
  padding:.6rem .9rem; background:rgba(31,214,166,.06); border-bottom:var(--borde);
}
.terminal__dot{ width:11px; height:11px; border-radius:50%; background:#3a4a45; }
.terminal__dot:nth-child(1){ background:var(--cinabrio); }
.terminal__dot:nth-child(2){ background:var(--oro); }
.terminal__dot:nth-child(3){ background:var(--jade); }
.terminal__title{
  margin-left:auto; font-family:var(--fuente-mono); font-size:.78rem; color:var(--hueso-dim);
}
.terminal__body{
  font-family:var(--fuente-mono); font-size:.9rem; line-height:1.7;
  padding:1.1rem 1.2rem; color:var(--jade); min-height:9.5rem;
  white-space:pre-wrap; word-break:break-word;
}
.terminal__body .caret,.caret{ color:var(--jade); animation:blink 1s steps(1) infinite; }

/* Reloj vigesimal */
.vig-clock{ margin-top:1.5rem; text-align:center; }
.vig-clock__label{
  font-family:var(--fuente-mono); font-size:.72rem; letter-spacing:.2em;
  color:var(--hueso-dim); text-transform:uppercase;
}
.vig-clock__row{ display:flex; gap:.8rem; justify-content:center; margin-top:.6rem; }
.vig-digit{
  width:44px; height:90px; border:var(--borde); border-radius:6px;
  background:rgba(31,214,166,.03);
  display:flex; flex-direction:column-reverse; align-items:center;
  justify-content:flex-start; gap:5px; padding:8px 6px;
}
.vig-digit .bar{ width:30px; height:6px; background:var(--oro); border-radius:2px; box-shadow:0 0 8px rgba(230,184,76,.6); }
.vig-digit .dots{ display:flex; gap:5px; }
.vig-digit .dot{ width:8px; height:8px; border-radius:50%; background:var(--jade); box-shadow:0 0 8px rgba(31,214,166,.7); }
.vig-digit .shell{ font-size:1.4rem; color:var(--azul-maya); }

/* Hint de scroll */
.scroll-hint{
  position:absolute; bottom:1.4rem; left:50%; transform:translateX(-50%);
  font-family:var(--fuente-mono); font-size:.7rem; letter-spacing:.25em;
  color:var(--hueso-dim); text-transform:uppercase; text-align:center;
}
.scroll-hint span{
  display:block; width:1px; height:34px; margin:0 auto .5rem;
  background:linear-gradient(var(--jade),transparent);
  animation:scrollpulse 1.8s ease-in-out infinite;
}
@keyframes scrollpulse{ 0%,100%{ transform:scaleY(.4); opacity:.4; } 50%{ transform:scaleY(1); opacity:1; } }

/* =====================  SECCIONES  ===================== */
.section{ padding:clamp(4rem,10vw,8rem) clamp(1.2rem,6vw,5rem); max-width:1200px; margin:0 auto; }
.section__head{ max-width:760px; margin:0 auto 3rem; text-align:center; }
.kicker{
  font-family:var(--fuente-mono); color:var(--azul-maya);
  letter-spacing:.24em; text-transform:uppercase; font-size:.78rem;
  display:inline-block; margin-bottom:1rem;
}
.section__title{
  font-family:var(--fuente-titulo); font-weight:700;
  font-size:clamp(1.9rem,5vw,3.2rem); line-height:1.1; margin-bottom:1rem;
}
.section__title .glow{ color:var(--jade); text-shadow:var(--glow-jade); }
.section__lead{ color:var(--hueso-dim); font-size:clamp(1rem,2vw,1.2rem); }

/* Tarjetas del códice */
.cards,.modules{ display:grid; gap:1.4rem; }
.cards{ grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); }
.modules{ grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); }

.card,.module{
  position:relative; padding:2rem 1.6rem; border:var(--borde); border-radius:10px;
  background:linear-gradient(160deg,rgba(12,22,20,.7),rgba(6,12,11,.5));
  overflow:hidden; transition:transform .25s, border-color .25s, box-shadow .25s;
  transform-style:preserve-3d;
}
.card::before,.module::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at var(--mx,50%) var(--my,0%),rgba(31,214,166,.18),transparent 60%);
  opacity:0; transition:opacity .3s;
}
.card:hover,.module:hover{ border-color:rgba(31,214,166,.5); box-shadow:0 18px 50px rgba(0,0,0,.5); }
.card:hover::before,.module:hover::before{ opacity:1; }
.card__glyph{ width:64px; height:64px; margin-bottom:1.2rem; }
.card h3,.module h3{ font-family:var(--fuente-titulo); font-weight:500; font-size:1.25rem; margin-bottom:.6rem; }
.card p,.module p{ color:var(--hueso-dim); font-size:1rem; }
.card__code{
  display:inline-block; margin-top:1rem; font-family:var(--fuente-mono);
  font-size:.82rem; color:var(--oro); opacity:.85;
}
.module__num{
  font-family:var(--fuente-mono); color:var(--azul-maya); font-size:.9rem;
  letter-spacing:.14em; text-transform:uppercase; margin-bottom:.7rem;
}

/* Sección dividida (numeración) */
.section--split{ display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:center; }
@media(max-width:840px){ .section--split{ grid-template-columns:1fr; } }
.num-input{ margin-top:1.8rem; }
#num-range{ width:100%; accent-color:var(--jade); height:6px; cursor:none; }
.num-input__value{ display:flex; align-items:baseline; gap:.6rem; margin-top:1rem; }
#num-field{
  width:130px; background:rgba(6,12,11,.8); border:var(--borde); color:var(--jade);
  font-family:var(--fuente-mono); font-size:1.4rem; padding:.4rem .6rem; border-radius:6px;
}
.num-input__value span{ font-family:var(--fuente-mono); color:var(--hueso-dim); font-size:.82rem; }
.num-breakdown{
  margin-top:1.2rem; font-family:var(--fuente-mono); font-size:.9rem;
  color:var(--oro); line-height:1.8; min-height:2rem;
}
.split__glyphs{ display:flex; justify-content:center; }
#numeral-canvas{
  max-width:100%; height:auto; border:var(--borde); border-radius:12px;
  background:radial-gradient(circle at 50% 30%,rgba(31,214,166,.06),transparent 70%),rgba(6,12,11,.5);
  box-shadow:inset 0 0 60px rgba(31,214,166,.06);
}

/* Cosmos stats */
.section--cosmos{ text-align:center; }
.cosmos-stats{ display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:1.4rem; margin-top:2rem; }
.stat{ padding:1.6rem 1rem; border:var(--borde); border-radius:10px; background:rgba(6,12,11,.4); }
.stat__num{
  display:block; font-family:var(--fuente-titulo); font-weight:900;
  font-size:clamp(2.2rem,6vw,3.4rem); color:var(--jade); text-shadow:var(--glow-jade);
}
.stat__label{ font-family:var(--fuente-mono); font-size:.78rem; color:var(--hueso-dim); letter-spacing:.08em; text-transform:uppercase; }

/* Contacto */
.section--contact{ text-align:center; }
.contact{ max-width:640px; margin:0 auto; }
.terminal--contact{ margin-top:2rem; }
.contact__form{ display:flex; flex-direction:column; gap:1rem; color:var(--hueso); }
.contact__form label{ display:flex; flex-direction:column; gap:.4rem; font-family:var(--fuente-mono); font-size:.82rem; color:var(--jade); text-align:left; }
.contact__form .prompt{ color:var(--oro); }
.contact__form input,.contact__form textarea{
  font-family:var(--fuente-mono); font-size:.95rem; color:var(--hueso);
  background:rgba(31,214,166,.04); border:var(--borde); border-radius:6px;
  padding:.7rem .9rem; resize:vertical; transition:border-color .25s, box-shadow .25s;
}
.contact__form input:focus,.contact__form textarea:focus{
  outline:none; border-color:var(--jade); box-shadow:0 0 0 3px rgba(31,214,166,.12);
}
.contact__form button{ align-self:flex-start; margin-top:.4rem; cursor:none; }
.contact__status{ font-family:var(--fuente-mono); font-size:.85rem; color:var(--jade); text-align:left; min-height:1.2rem; }
/* Honeypot: fuera de pantalla e inaccesible, pero presente en el DOM */
.hp{ position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden; opacity:0; pointer-events:none; }

/* =====================  FOOTER  ===================== */
.footer{ position:relative; padding:4rem 1.5rem 2.5rem; text-align:center; border-top:var(--borde); margin-top:3rem; }
.footer__inner{ display:flex; flex-direction:column; align-items:center; gap:.6rem; }
.footer__glyph{ width:48px; height:48px; }
.footer p{ color:var(--hueso-dim); font-size:.95rem; }
.footer strong{ color:var(--hueso); font-family:var(--fuente-titulo); letter-spacing:.1em; }
.footer__maya{ font-family:var(--fuente-mono); font-size:.8rem; color:var(--oro); opacity:.8; }

/* =====================  REVEAL (scroll)  ===================== */
.reveal{ opacity:0; transform:translateY(38px); transition:opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible{ opacity:1; transform:none; }

/* =====================  Accesibilidad  ===================== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
  body{ cursor:auto; }
  #cursor-glow{ display:none; }
}