/* =========================================================================
   CÓDICE COMPUTACIONAL — sistema de diseño
   Paleta mármol/piedra · tinta sepia · acentos sanguina + oro
   ========================================================================= */

:root {
  /* superficie */
  --parchment:    #f4f0e6;
  --parchment-2:  #ece6d8;
  --panel:        #efe9db;
  --stone-line:   #d9d1c0;
  --stone-line-2: #c8bfac;

  /* tinta */
  --ink:        #2e2620;
  --ink-soft:   #574c40;
  --ink-mute:   #877a69;

  /* acentos clásicos */
  --sanguine:   #9c3d2f;  /* rojo tiza renacentista */
  --sanguine-d: #7e3023;
  --gold:       #ad8843;  /* oro / ocre fino */
  --gold-soft:  #c4a667;

  /* tipos */
  --display: "Cormorant Garamond", Georgia, serif;
  --body:    "EB Garamond", Georgia, serif;
  --mono:    "IBM Plex Mono", ui-monospace, monospace;

  --maxw: 1200px;
  --gutter: clamp(1.25rem, 5vw, 5rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1.02rem, 0.55vw + 0.9rem, 1.22rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* subtle paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(120,100,70,0.035), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(120,100,70,0.04), transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(60,45,30,0.03), transparent 60%);
}

::selection { background: rgba(156,61,47,0.18); }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.05;
  margin: 0;
  letter-spacing: 0.005em;
}

p { margin: 0 0 1.1em; text-wrap: pretty; }

/* ---- shared layout helpers ------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.relative { position: relative; z-index: 1; }

/* mono label / kicker, codex style */
.kicker {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* section heading with roman numeral */
.section { padding: clamp(4.5rem, 9vw, 8.5rem) 0; position: relative; z-index: 1; }
.section + .section { border-top: 1px solid var(--stone-line); }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.section-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  color: var(--sanguine);
  padding-top: 0.5rem;
  white-space: nowrap;
}
.section-title { font-size: clamp(2.1rem, 4.5vw, 3.6rem); font-weight: 500; }
.section-title em { font-style: italic; color: var(--ink-soft); }

/* thin double rule (manuscript border) */
.rule {
  height: 4px;
  border-top: 1px solid var(--stone-line-2);
  border-bottom: 1px solid var(--stone-line-2);
  background: transparent;
}

/* ---- nav -------------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--parchment) 86%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--stone-line);
}
.nav-inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 0.85rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand { display: flex; flex-direction: column; line-height: 1.15; }
.brand b { font-family: var(--display); font-weight: 600; font-size: 1.05rem; letter-spacing: 0.01em; white-space: nowrap; }
@media (max-width: 1040px) { .brand b { font-size: 0.98rem; } }
.brand span { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.22em; color: var(--ink-mute); text-transform: uppercase; }
.nav-links { display: flex; gap: clamp(1rem, 2vw, 2rem); align-items: center; }
.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--sanguine); border-color: var(--gold-soft); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; font-family: var(--mono); font-size: 1.4rem; color: var(--ink); }

/* ---- hero ------------------------------------------------------------- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-vignette {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 80% 70% at 50% 45%, transparent 30%, color-mix(in oklab, var(--parchment) 70%, transparent) 100%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero h1 {
  font-size: clamp(3.4rem, 10vw, 8.2rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0.3em 0 0.18em;
}
.hero h1 .alias { display: block; font-style: italic; color: var(--sanguine); font-size: 0.42em; font-weight: 400; letter-spacing: 0.02em; margin-top: 0.15em; }
.hero-tag {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  color: var(--ink-soft);
  max-width: 32ch;
  margin: 0 0 2rem;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.hero-name {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.4rem, 3.2vw, 2.6rem);
  color: var(--sanguine);
  margin: 0.1rem 0 0.3rem;
  letter-spacing: 0.01em;
}
.flourish { display: block; width: clamp(230px, 36vw, 440px); height: auto; margin: 0 0 1.6rem; overflow: visible; }

/* marginalia annotation */
.marginalia {
  position: absolute;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  line-height: 1.5;
  z-index: 3;
  max-width: 22ch;
  background: color-mix(in oklab, var(--parchment) 72%, transparent);
  backdrop-filter: blur(2px);
  padding: 0.5rem 0.7rem;
}
.marginalia::before { content: ""; display: block; width: 26px; height: 1px; background: var(--gold-soft); margin-bottom: 0.5rem; }
.marginalia.tr { top: 13%; right: var(--gutter); text-align: right; }
.marginalia.tr::before { margin-left: auto; }
.marginalia.br { bottom: 9%; right: var(--gutter); text-align: right; }
.marginalia.br::before { margin-left: auto; }
@media (max-width: 1080px) { .marginalia { display: none; } }

/* ---- buttons ---------------------------------------------------------- */
.btn {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.85em 1.5em;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.22s, color 0.22s, border-color 0.22s;
  display: inline-flex; align-items: center; gap: 0.6em;
}
.btn:hover { background: var(--ink); color: var(--parchment); }
.btn--primary { background: var(--sanguine); border-color: var(--sanguine); color: var(--parchment); }
.btn--primary:hover { background: var(--sanguine-d); border-color: var(--sanguine-d); }
.btn--ghost { border-color: var(--stone-line-2); color: var(--ink-soft); }
.btn--ghost:hover { background: var(--parchment-2); color: var(--ink); border-color: var(--ink-soft); }

/* ---- about ------------------------------------------------------------ */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.about-body { font-size: 1.18rem; }
.about-body p:first-of-type::first-letter,
.dropcap::first-letter {
  font-family: var(--display);
  font-weight: 600;
  font-size: 4.6em;
  line-height: 0.74;
  float: left;
  margin: 0.06em 0.12em 0 0;
  color: var(--sanguine);
}
.about-aside { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-soft); }
.about-aside dl { margin: 0; display: grid; grid-template-columns: auto; gap: 1.1rem; }
.about-aside dt { color: var(--ink-mute); letter-spacing: 0.18em; text-transform: uppercase; font-size: 0.66rem; margin-bottom: 0.25rem; }
.about-aside dd { margin: 0; color: var(--ink); font-family: var(--body); font-size: 1.02rem; }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; } }

/* ---- placeholder image ------------------------------------------------ */
.ph {
  position: relative;
  background:
    repeating-linear-gradient(135deg, rgba(90,72,50,0.07) 0 2px, transparent 2px 9px),
    var(--parchment-2);
  border: 1px solid var(--stone-line-2);
  display: flex; align-items: flex-end; justify-content: flex-start;
  color: var(--ink-mute);
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.7rem 0.85rem;
}
.ph::after { content: "✶"; position: absolute; top: 0.6rem; left: 0.7rem; color: var(--gold-soft); font-size: 0.9rem; }

/* ---- projects --------------------------------------------------------- */
.proj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
.proj-card {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--stone-line-2);
  text-decoration: none; color: inherit;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
  overflow: hidden;
}
.proj-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -22px rgba(46,38,32,0.45); border-color: var(--gold-soft); }
.proj-thumb { aspect-ratio: 16/10; background: var(--parchment); border-bottom: 1px solid var(--stone-line-2); display: block; width: 100%; }
.proj-meta { padding: 1.4rem 1.5rem 1.6rem; }
.proj-meta .kicker { color: var(--sanguine); font-size: 0.66rem; }
.proj-meta h3 { font-size: 1.85rem; margin: 0.4rem 0 0.5rem; }
.proj-meta p { font-size: 1rem; color: var(--ink-soft); margin-bottom: 1rem; }
.proj-go { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink); display: inline-flex; gap: 0.5em; }
.proj-card:hover .proj-go { color: var(--sanguine); }
.proj-go .arr { transition: transform 0.3s; }
.proj-card:hover .proj-go .arr { transform: translateX(5px); }

.proj-card.soon { pointer-events: none; }
.proj-card.soon .proj-thumb { display: flex; align-items: center; justify-content: center; }
.proj-card.soon .proj-thumb span { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-mute); }

/* ---- stack ------------------------------------------------------------ */
.stack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: clamp(1.5rem, 4vw, 3.5rem); }
.stack-col h4 { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sanguine); margin-bottom: 1rem; font-weight: 400; }
.stack-list { list-style: none; margin: 0; padding: 0; }
.stack-list li {
  display: flex; align-items: baseline; gap: 0.8rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--stone-line);
  font-size: 1.12rem;
}
.stack-list li .idx { font-family: var(--mono); font-size: 0.7rem; color: var(--ink-mute); min-width: 2.2ch; }
.stack-list li:last-child { border-bottom: 0; }

/* ---- interests -------------------------------------------------------- */
.interest-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
.interest {
  border-left: 2px solid var(--gold-soft);
  padding: 0.3rem 0 0.3rem 1.4rem;
}
.interest .num { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.2em; color: var(--ink-mute); }
.interest h3 { font-size: 1.7rem; margin: 0.35rem 0 0.5rem; font-style: italic; }
.interest p { font-size: 1.02rem; color: var(--ink-soft); margin: 0; }
.interest .tags { margin-top: 0.8rem; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; color: var(--sanguine); text-transform: uppercase; }

/* ---- timeline --------------------------------------------------------- */
.timeline { position: relative; margin-left: 0.5rem; }
.timeline::before { content: ""; position: absolute; left: 0; top: 0.5rem; bottom: 0.5rem; width: 1px; background: var(--stone-line-2); }
.tl-item { position: relative; padding: 0 0 2.4rem 2.2rem; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -4.5px; top: 0.55rem; width: 10px; height: 10px; border-radius: 50%; background: var(--parchment); border: 1.5px solid var(--sanguine); }
.tl-year { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; color: var(--sanguine); }
.tl-item h3 { font-size: 1.5rem; margin: 0.25rem 0 0.2rem; }
.tl-meta { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.05em; color: var(--ink-mute); margin: 0 0 0.5rem; }
.tl-item p { font-size: 1rem; color: var(--ink-soft); margin: 0; }

/* trayectoria + credentials */
.trayectoria-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
@media (max-width: 880px) { .trayectoria-grid { grid-template-columns: 1fr; } }
.cred .panel-h { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--sanguine); margin: 0 0 1rem; }
.cred .rule { margin: 1.8rem 0; }
.cred-item h4 { font-family: var(--display); font-size: 1.45rem; font-weight: 500; margin: 0 0 0.2rem; }
.cred-item p { font-size: 0.98rem; color: var(--ink-soft); margin: 0; }
.cred-list { list-style: none; margin: 0; padding: 0; }
.cred-list li { padding: 0.9rem 0; border-bottom: 1px solid var(--stone-line); display: flex; flex-direction: column; gap: 0.18rem; }
.cred-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.cred-y { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.14em; color: var(--ink-mute); text-transform: uppercase; }
.cred-list strong { font-family: var(--display); font-size: 1.28rem; font-weight: 500; line-height: 1.12; }
.cred-list em { font-size: 0.92rem; color: var(--ink-soft); }

/* ---- contact ---------------------------------------------------------- */
.contact { text-align: center; }
.contact .big {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(2rem, 5vw, 3.8rem);
  margin: 0.4rem 0 2rem;
  line-height: 1.12;
}
.contact-links { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.contact-link {
  display: inline-flex; align-items: center; gap: 0.7em;
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 1em 1.6em; border: 1px solid var(--stone-line-2); color: var(--ink);
  transition: border-color 0.25s, background 0.25s, color 0.25s;
}
.contact-link:hover { border-color: var(--sanguine); color: var(--sanguine); background: var(--parchment-2); }

/* ---- footer ----------------------------------------------------------- */
.footer { border-top: 1px solid var(--stone-line); padding: 2.5rem 0 3rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--ink-mute); text-transform: uppercase; }

/* ---- reveal on scroll (gated by JS; visible by default if JS off) ----- */
.js-anim .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.9s cubic-bezier(.2,.7,.2,1), transform 0.9s cubic-bezier(.2,.7,.2,1); }
.js-anim .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-anim .reveal { opacity: 1; transform: none; transition: none; }
}

/* =========================================================================
   PÁGINAS DE SIMULACIÓN
   ========================================================================= */
.sim-page { min-height: 100vh; display: flex; flex-direction: column; }
.sim-header { padding: clamp(2.5rem,6vw,4.5rem) 0 1.5rem; }
.sim-back { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); display: inline-flex; gap: 0.5em; margin-bottom: 1.5rem; }
.sim-back:hover { color: var(--sanguine); }
.sim-header h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
.sim-header h1 .alias { display:block; font-style: italic; color: var(--sanguine); font-size: 0.5em; }
.sim-lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; margin-top: 1rem; }

.sim-stage { display: grid; grid-template-columns: 1fr 300px; gap: clamp(1.5rem,3vw,2.5rem); align-items: start; padding-bottom: 4rem; }
@media (max-width: 900px) { .sim-stage { grid-template-columns: 1fr; } }

.sim-canvas-wrap {
  position: relative;
  background: var(--parchment);
  border: 1px solid var(--stone-line-2);
  box-shadow: inset 0 0 0 6px var(--parchment), 0 22px 50px -34px rgba(46,38,32,0.5);
  padding: 6px;
}
.sim-canvas-wrap canvas { display: block; width: 100%; height: auto; image-rendering: auto; cursor: crosshair; }

.sim-panel { font-family: var(--mono); }
.sim-panel .rule { margin: 1.2rem 0; }
.panel-h { font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--sanguine); margin-bottom: 1rem; }
.controls { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.controls .btn { padding: 0.7em 1em; font-size: 0.68rem; }
.ctrl-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.7rem 0; border-bottom: 1px solid var(--stone-line); font-size: 0.78rem; }
.ctrl-row label { color: var(--ink-soft); letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.66rem; }
.ctrl-row output { color: var(--sanguine); font-size: 0.9rem; }
input[type="range"] { -webkit-appearance: none; appearance: none; height: 2px; background: var(--stone-line-2); width: 120px; outline: none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 14px; height: 14px; border-radius: 50%; background: var(--sanguine); cursor: pointer; border: 0; }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--sanguine); cursor: pointer; border: 0; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem 1rem; }
.stat .k { font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute); }
.stat .v { font-size: 1.6rem; font-family: var(--display); color: var(--ink); line-height: 1; margin-top: 0.15rem; }

.preset-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.5em 0.8em; border: 1px solid var(--stone-line-2); color: var(--ink-soft); cursor: pointer; background: transparent; transition: all 0.2s; }
.chip:hover { border-color: var(--sanguine); color: var(--sanguine); }

.sim-note { font-family: var(--mono); font-size: 0.72rem; line-height: 1.7; color: var(--ink-mute); margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--stone-line); }
.sim-note strong { color: var(--ink-soft); }

/* mobile nav */
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; right: 0; left: 0;
    flex-direction: column; align-items: flex-start;
    gap: 0; background: var(--parchment); border-bottom: 1px solid var(--stone-line);
    padding: 0 var(--gutter); max-height: 0; overflow: hidden; transition: max-height 0.3s, padding 0.3s;
  }
  .nav-links.open { max-height: 360px; padding: 0.5rem var(--gutter) 1.2rem; }
  .nav-links a { padding: 0.7rem 0; width: 100%; border-bottom: 1px solid var(--stone-line); }
}