/* ==========================================================================
   ALEJO.DEV — Monochrome Editorial Tech
   Tokens tomados de DESIGN.md / Stitch. Sin frameworks ni build.
   ========================================================================== */

:root {
  --background: #121315;
  --surface: #121315;
  --lowest: #0d0e10;
  --low: #1b1c1e;
  --container: #1f2022;
  --high: #292a2c;
  --highest: #343537;
  --bright: #38393b;

  --on-surface: #e3e2e4;
  --on-variant: #c4c7c5;
  --outline: #8e928f;
  --outline-variant: #444846;
  --primary: #ffffff;
  --on-primary: #2f3130;
  --primary-dim: #c6c7c5;
  --secondary: #c4c7ca;

  --font-serif: "Newsreader", Georgia, serif;
  --font-sans: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --radius-sm: 2px;
  --radius: 4px;
  --radius-lg: 8px;

  --gutter: 1.5rem;
  --margin: 2rem;
  --section-y: 2.5rem;
  --max: 80rem;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--on-surface);
  font: 400 14px/22px var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, blockquote, figure { margin: 0; }
ul { padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
::selection { background: var(--highest); color: var(--primary); }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: var(--radius); }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  padding: .5rem 1rem; background: var(--primary); color: var(--on-primary); border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }

/* Iconos (Material Symbols, subconjunto) */
.icon {
  font-family: "Material Symbols Outlined";
  font-weight: 300; font-style: normal;
  font-size: 18px; line-height: 1;
  display: inline-block; flex-shrink: 0;
  text-transform: none; letter-spacing: normal; white-space: nowrap;
  font-feature-settings: "liga"; -webkit-font-feature-settings: "liga";
  user-select: none;
}
.icon--sm { font-size: 16px; }
.icon--xs { font-size: 14px; }
.icon--lg { font-size: 20px; }

/* ---------- Tipografía ---------- */
.display, .h-lg, .h-md, .h-sm { font-family: var(--font-serif); font-weight: 400; color: var(--primary); }
.display { font-size: 36px; line-height: 44px; letter-spacing: -.015em; }
.h-lg { font-size: 30px; line-height: 38px; letter-spacing: -.02em; }
.h-md { font-size: 28px; line-height: 36px; letter-spacing: -.015em; }
.h-sm { font-size: 22px; line-height: 30px; letter-spacing: -.01em; }
.on-surface { color: var(--on-surface); }
.title-md { font-size: 16px; line-height: 24px; letter-spacing: -.01em; font-weight: 500; }
.lead { font-size: 16px; line-height: 26px; color: var(--on-variant); }
.body-sm { font-size: 12px; line-height: 18px; }
.muted { color: var(--on-variant); }
.dim { color: var(--outline); }
.italic { font-style: italic; }

.eyebrow {
  font-size: 11px; line-height: 16px; letter-spacing: .12em; font-weight: 600;
  text-transform: uppercase; color: var(--outline);
}
.mono { font-family: var(--font-mono); font-size: 12px; line-height: 16px; letter-spacing: .02em; }
.mono--xs { font-size: 11px; }

@media (min-width: 768px) {
  .display { font-size: 52px; line-height: 60px; }
  .h-lg { font-size: 40px; line-height: 48px; }
}
@media (min-width: 1024px) {
  .display { font-size: 56px; line-height: 64px; letter-spacing: -.02em; }
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 1rem; }
@media (min-width: 640px) { .container { padding-inline: var(--gutter); } }
@media (min-width: 1024px) { .container { padding-inline: var(--margin); } }

main { display: block; padding-top: 4rem; min-height: 100vh; }

.section { padding-block: var(--section-y); }
.band { background: var(--lowest); border-block: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); }
.stack { display: flex; flex-direction: column; }
.gap-xs { gap: .25rem; } .gap-sm { gap: .5rem; } .gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; } .gap-xl { gap: 2.5rem; }
.row { display: flex; flex-wrap: wrap; align-items: center; }

.section-head { display: flex; flex-direction: column; gap: 1rem; }
.section-head__text { display: flex; flex-direction: column; gap: .25rem; }
.section-head__aside { max-width: 28rem; color: var(--on-variant); }
@media (min-width: 768px) {
  .section-head { flex-direction: row; align-items: flex-end; justify-content: space-between; }
}

.grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.grid--gutter { gap: var(--gutter); }
@media (min-width: 640px) { .grid--2-sm { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) { .grid--5 { grid-template-columns: repeat(5, 1fr); } }
@media (min-width: 768px) and (max-width: 1023px) { .grid--5 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 640px) and (max-width: 767px) { .grid--5 { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Header / navegación ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  box-shadow: 0 1px 8px rgba(0, 0, 0, .45);
}
.site-header__bar { height: 4rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand { display: inline-flex; align-items: center; gap: .5rem; }
.brand__mark {
  width: 28px; height: 28px; display: grid; place-items: center;
  background: var(--high); border: 1px solid var(--outline-variant); border-radius: var(--radius);
  font: 500 12px/1 var(--font-mono); color: var(--primary); transition: border-color .2s;
}
.brand__name { font: 600 14px/1 var(--font-mono); letter-spacing: .05em; color: var(--on-surface); transition: color .2s; }
.brand:hover .brand__mark { border-color: var(--primary); }
.brand:hover .brand__name { color: var(--primary); }

.nav-list {
  display: none; align-items: center; gap: .25rem; padding: .25rem;
  background: color-mix(in srgb, var(--low) 60%, transparent); border-radius: var(--radius-lg);
}
.nav-link {
  display: block; padding: .375rem 1rem; border-radius: var(--radius);
  font-size: 13px; line-height: 18px; letter-spacing: .01em; color: var(--on-variant);
  transition: color .2s, background .2s;
}
.nav-link:hover { color: var(--on-surface); }
.nav-link[aria-current="page"] { color: var(--primary); background: var(--container); font-weight: 500; }

.site-header__actions { display: flex; align-items: center; gap: .75rem; }
.nav-toggle {
  width: 36px; height: 36px; display: grid; place-items: center;
  border-radius: var(--radius); background: var(--low);
}
.nav-mobile {
  display: none; padding: 0 1rem 1rem; background: color-mix(in srgb, var(--surface) 95%, transparent);
}
.nav-mobile.is-open { display: block; }
.nav-mobile .nav-link { padding: .75rem 1rem; font-size: 14px; }

@media (min-width: 768px) {
  .nav-list { display: flex; }
  .nav-toggle, .nav-mobile, .nav-mobile.is-open { display: none; }
}
@media (max-width: 479px) { .site-header__actions .btn { display: none; } }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .25rem;
  padding: .5rem 1rem; border-radius: var(--radius);
  font: 500 13px/18px var(--font-sans); letter-spacing: .01em; white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s;
}
.btn--primary { background: var(--primary); color: var(--on-primary); box-shadow: 0 1px 2px rgba(0,0,0,.3); }
.btn--primary:hover { background: var(--primary-dim); }
.btn--secondary { background: var(--container); color: var(--on-surface); }
.btn--secondary:hover { background: var(--high); color: var(--primary); }
.btn--outline { background: var(--container); color: var(--on-surface); border: 1px solid color-mix(in srgb, var(--outline-variant) 40%, transparent); }
.btn--outline:hover { background: var(--high); color: var(--primary); }
.btn--lg { padding: .75rem 1.5rem; font-size: 16px; line-height: 24px; letter-spacing: -.01em; }
.btn--xl { padding: .75rem 2.5rem; font-size: 16px; line-height: 24px; }
.btn.is-copied { background: var(--highest); color: var(--primary); }

.link-arrow {
  display: inline-flex; align-items: center; gap: .375rem;
  font-size: 16px; font-weight: 500; letter-spacing: -.01em; color: var(--primary); transition: color .2s;
}
.link-arrow:hover { color: var(--on-surface); }
.link-arrow--sm { font-size: 14px; color: var(--on-surface); }
.link-arrow--sm:hover { color: var(--primary); }

/* ---------- Superficies ---------- */
.card {
  background: var(--low); border: 1px solid color-mix(in srgb, var(--outline-variant) 40%, transparent);
  border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: 0 1px 2px rgba(0,0,0,.3);
}
.card--hover { transition: background .2s; }
.card--hover:hover { background: var(--container); }
.card--flat { border: 0; }
.card--mid { background: var(--container); }
.card--high { background: var(--high); }

.icon-box {
  width: 40px; height: 40px; display: grid; place-items: center;
  background: var(--high); color: var(--primary); border-radius: var(--radius);
}
.card--mid .icon-box, .card--hoverable .icon-box { background: var(--highest); }
.card-foot {
  padding-top: 1.5rem; margin-top: 1rem;
  border-top: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent);
  color: var(--outline);
}
.card-foot--plain { border: 0; padding-top: 1rem; display: flex; align-items: center; gap: .25rem; }

.tag {
  display: inline-block; padding: .125rem .5rem; border-radius: var(--radius);
  background: var(--high); color: var(--on-surface);
  font: 400 11px/16px var(--font-mono); letter-spacing: .02em;
}
.tag--lg { padding: .25rem .75rem; font-size: 12px; background: var(--low); color: var(--secondary); }
.tag--top { background: var(--highest); }
.tags { display: flex; flex-wrap: wrap; gap: .375rem; }
.tags--lg { gap: .5rem; }

.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
.status-dot--sm { width: 6px; height: 6px; }
.status-dot--outline { background: var(--outline); }
.status-dot--secondary { background: var(--secondary); }
.pulse { animation: pulse 2s cubic-bezier(.4,0,.6,1) infinite; }
@keyframes pulse { 50% { opacity: .4; } }

.pill {
  display: inline-flex; align-items: center; gap: .5rem; padding: .25rem .75rem; border-radius: 999px;
  background: var(--low); border: 1px solid color-mix(in srgb, var(--outline-variant) 60%, transparent);
  color: var(--on-variant); box-shadow: 0 1px 2px rgba(0,0,0,.3);
}

/* Bloques Problema / Solución */
.ps { display: flex; flex-direction: column; gap: .5rem; }
.ps__item { padding: .75rem; border-radius: var(--radius); background: color-mix(in srgb, var(--high) 60%, transparent); border-left: 2px solid var(--outline); }
.ps__item--solution { border-left-color: var(--primary); }
.ps__label { display: block; margin-bottom: .25rem; font: 400 11px/16px var(--font-mono); text-transform: uppercase; color: var(--outline); }
.ps__item--solution .ps__label { color: var(--primary); }
.ps__text { font-size: 12px; line-height: 18px; color: var(--on-variant); }
.ps__text strong { color: var(--on-surface); font-weight: 500; }

/* ==========================================================================
   HOME
   ========================================================================== */
.hero { position: relative; overflow: hidden; padding-bottom: 2.5rem; }
.hero__glow {
  position: absolute; top: 3rem; left: 50%; transform: translateX(-50%); z-index: -1;
  width: 720px; max-width: 100%; height: 360px; border-radius: 50%; pointer-events: none;
  background: color-mix(in srgb, var(--highest) 15%, transparent); filter: blur(140px);
}
.hero__inner { padding-top: 2rem; display: flex; flex-direction: column; gap: 2.5rem; }
.hero__meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; color: var(--outline); }
.hero__grid { display: grid; gap: 2.5rem; align-items: start; }
.hero__copy { display: flex; flex-direction: column; gap: 1.5rem; }
.hero__kicker { display: flex; gap: .5rem; color: var(--outline); }
.hero__title { max-width: 56rem; color: var(--on-surface); letter-spacing: -.02em; }
.hero__lead { max-width: 42rem; line-height: 1.625; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; padding-top: .5rem; }

.callout { display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; }
.callout__rows { display: flex; flex-direction: column; gap: .5rem; padding-top: 1.5rem; margin-top: 1rem; border-top: 1px solid color-mix(in srgb, var(--outline-variant) 40%, transparent); color: var(--on-variant); }
.callout__row { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.callout__row span:last-child { text-align: right; }
.callout__row .strong { color: var(--primary); font-weight: 500; }

.hero__visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--low); border: 1px solid color-mix(in srgb, var(--outline-variant) 40%, transparent); box-shadow: 0 20px 25px -5px rgba(0,0,0,.4); }
.hero__visual-frame { position: relative; aspect-ratio: 16 / 9; max-height: 500px; overflow: hidden; }
.hero__visual img { width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: transform .7s; }
.hero__visual img:hover { transform: scale(1.01); }
.hero__visual-shade { position: absolute; inset: 0; background: linear-gradient(to top, var(--background), color-mix(in srgb, var(--lowest) 30%, transparent), transparent); pointer-events: none; }
.hero__visual-bar {
  position: absolute; left: 1rem; right: 1rem; bottom: 1rem;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem;
  padding: .5rem 1rem; border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--lowest) 80%, transparent); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 40%, transparent);
}
@media (min-width: 768px) {
  .hero__inner { padding-top: 3.5rem; }
  .hero__visual-frame { aspect-ratio: 21 / 9; }
  .hero__visual-bar { left: 1.5rem; bottom: 1.5rem; }
}
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 2fr 1fr; }
  .hero__grid > .callout { height: 100%; }
}

.pillar__body { display: flex; flex-direction: column; gap: 1rem; }
.pillar { display: flex; flex-direction: column; justify-content: space-between; }
.pillar p { line-height: 1.625; }

.tech-col { display: flex; flex-direction: column; gap: .5rem; padding: 1rem; background: var(--low); border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); border-radius: var(--radius-lg); }
.tech-col__head { display: flex; align-items: center; gap: .5rem; padding-bottom: .5rem; border-bottom: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent); }
.tech-col__head .icon { color: var(--primary); }
.tech-col__list { display: flex; flex-direction: column; gap: .375rem; padding-top: .25rem; }
.tech-item { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .5rem; border-radius: var(--radius); background: color-mix(in srgb, var(--high) 60%, transparent); }
.tech-item b { font-size: 12px; font-weight: 500; color: var(--on-surface); }
.tech-item span { font: 400 12px/16px var(--font-mono); color: var(--outline); text-align: right; }

/* Proyecto destacado (home) */
.feature-list { display: flex; flex-direction: column; gap: 2.5rem; }
.feature { display: grid; gap: 1.5rem; padding: 1rem; background: var(--low); border: 1px solid color-mix(in srgb, var(--outline-variant) 40%, transparent); border-radius: var(--radius-lg); box-shadow: 0 4px 6px -1px rgba(0,0,0,.3); transition: background .3s; }
.feature:hover { background: var(--container); }
.feature__visual { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-radius: var(--radius); background: var(--high); border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); }
.feature__visual > img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.feature:hover .feature__visual > img { transform: scale(1.02); }
.feature__badge {
  position: absolute; top: .75rem; left: .75rem; padding: .25rem .75rem; border-radius: var(--radius);
  background: color-mix(in srgb, var(--lowest) 85%, transparent); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid color-mix(in srgb, var(--outline-variant) 40%, transparent); color: var(--on-surface);
}
.feature__info { display: flex; flex-direction: column; justify-content: space-between; padding-block: .25rem; }
.feature__quote { padding-top: .25rem; font-style: italic; font-weight: 500; color: var(--primary); }
.feature__foot { margin-top: .5rem; padding-top: 1rem; border-top: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); }
.feature .ps { padding-top: .5rem; }
.feature .tags { padding-top: .25rem; }
.feature .ps, .feature .tags, .feature__quote { margin-top: .5rem; }
@media (min-width: 768px) { .feature { padding: 1.5rem; } }
@media (min-width: 1024px) { .feature { grid-template-columns: repeat(2, 1fr); } }

/* Visual técnico de Prospector (home) */
.diagram { display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; padding: 1.5rem; }
.diagram__bar { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding-bottom: .5rem; border-bottom: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); color: var(--outline); }
.diagram__bar .live { display: flex; align-items: center; gap: .25rem; color: var(--primary); }
.diagram__body { display: flex; flex-direction: column; gap: .75rem; margin-block: auto; }
.diagram__rows { display: flex; flex-direction: column; gap: .375rem; padding: .75rem; border-radius: var(--radius); background: color-mix(in srgb, var(--lowest) 80%, transparent); border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); color: var(--on-variant); }
.diagram__rows > div { display: flex; justify-content: space-between; gap: 1rem; }
.diagram__foot { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding-top: .5rem; border-top: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent); color: var(--outline); }
.text-primary { color: var(--primary); }
.text-on { color: var(--on-surface); }

.closing { padding-block: 6rem; text-align: center; }
.closing__inner { max-width: 56rem; margin-inline: auto; padding-inline: 1.5rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.closing__title { max-width: 42rem; }
.closing__cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem; padding-top: .5rem; }
.center { display: flex; justify-content: center; padding-top: 1rem; }

/* ==========================================================================
   SOBRE MÍ
   ========================================================================== */
.page-head { padding-block: 2.5rem 1.5rem; display: flex; flex-direction: column; gap: .5rem; }
.page-head__kicker { display: flex; align-items: center; gap: .25rem; }
.page-head__row { display: flex; flex-direction: column; gap: 1rem; }
.page-head__meta { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem .5rem; color: var(--on-variant); }
.page-head__meta .sep { color: var(--outline); }
.page-head .pill { align-self: flex-start; margin-top: .5rem; }
@media (min-width: 768px) { .page-head__row { flex-direction: row; align-items: baseline; justify-content: space-between; } }

.about-hero { display: grid; gap: var(--gutter); align-items: center; }
.portrait { position: relative; width: 100%; max-width: 420px; aspect-ratio: 3 / 4; overflow: hidden; border-radius: var(--radius-lg); background: var(--lowest); box-shadow: 0 20px 25px -5px rgba(0,0,0,.4); }
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center top; filter: grayscale(1) contrast(1.08) brightness(.96); transition: transform .7s ease-out; }
.portrait:hover img { transform: scale(1.05); }
.about-hero__copy { display: flex; flex-direction: column; gap: 1.5rem; justify-content: center; }
.about-hero__quote { font: 400 22px/1.35 var(--font-serif); letter-spacing: -.01em; color: var(--primary); }
.idx { color: var(--secondary); font-weight: 500; }
@media (min-width: 1024px) {
  .about-hero { grid-template-columns: 5fr 7fr; }
  .about-hero__copy { padding-left: 1.5rem; }
}

.narrative { display: grid; gap: var(--gutter); }
.narrative__body { display: flex; flex-direction: column; gap: 1rem; line-height: 1.625; }
.narrative__body strong { color: var(--primary); font-weight: 500; }
@media (min-width: 1024px) { .narrative { grid-template-columns: 4fr 8fr; } }

.tile { display: flex; flex-direction: column; padding: 1rem; border-radius: var(--radius-lg); background: var(--low); box-shadow: 0 1px 2px rgba(0,0,0,.3); transition: background .2s; }
.tile:hover { background: var(--container); }
.tile__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.tile__head .eyebrow { color: var(--secondary); letter-spacing: .12em; }
.tile__head .icon { color: var(--outline); }
.tile ul { display: flex; flex-direction: column; gap: .5rem; }
.tile li { display: flex; align-items: center; gap: .25rem; color: var(--primary); }
.tile li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--outline); flex-shrink: 0; margin-right: .25rem; }

.principle { display: flex; flex-direction: column; justify-content: space-between; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--container); box-shadow: 0 1px 2px rgba(0,0,0,.3); }
.principle h3 { margin: .5rem 0 .25rem; color: var(--primary); }
.principle p { line-height: 1.625; color: var(--on-variant); }
.principle__foot { display: flex; align-items: center; gap: .25rem; padding-top: 1rem; color: var(--outline); }

.cta-card { display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; gap: 1.5rem; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--high); box-shadow: 0 4px 6px -1px rgba(0,0,0,.3); }
.cta-card--low { background: var(--low); }
.cta-card--mid { background: var(--container); }
.cta-card__text { display: flex; flex-direction: column; gap: .25rem; max-width: 42rem; }
.cta-card .btn { flex-shrink: 0; }
@media (min-width: 768px) {
  .cta-card { flex-direction: row; align-items: center; padding: 2.5rem; }
}

.subhead { display: flex; flex-direction: column; gap: .25rem; }
.subhead--split { flex-direction: row; align-items: center; justify-content: space-between; }

/* ==========================================================================
   PROYECTOS
   ========================================================================== */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.5rem; padding-bottom: 1rem; border-bottom: 1px solid color-mix(in srgb, var(--high) 60%, transparent); }
.chip { padding: .375rem 1rem; border-radius: var(--radius); background: var(--low); color: var(--on-variant); font-size: 12px; line-height: 18px; transition: background .2s, color .2s; }
.chip:hover { color: var(--on-surface); background: var(--container); }
.chip[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); font-weight: 500; }

.projects { display: flex; flex-direction: column; gap: 2.5rem; padding-block: 1.5rem; }
.project { display: grid; gap: 1.5rem; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--container); border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); box-shadow: 0 20px 25px -5px rgba(0,0,0,.4); transition: background .3s, opacity .2s; }
.project:hover { background: var(--high); }
.project[hidden] { display: none; }
.project__visual { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--lowest); border: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent); }
.project__visual > img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.project:hover .project__visual > img { transform: scale(1.02); }
.project__visual--16x10 { aspect-ratio: 16 / 10; }
.project__visual--16x9 { aspect-ratio: 16 / 9; margin-bottom: 1rem; }
.project__label { position: absolute; top: 1rem; left: 1rem; display: flex; align-items: center; gap: .5rem; padding: .25rem .75rem; border-radius: 6px; background: color-mix(in srgb, var(--surface) 85%, transparent); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); color: var(--primary); text-transform: uppercase; }
.project__label--sm { top: .75rem; left: .75rem; padding: .125rem .625rem; font-size: 11px; text-transform: none; color: var(--on-surface); border-radius: var(--radius); }
.project__num { position: absolute; top: .75rem; right: .75rem; padding: .125rem .5rem; border-radius: var(--radius); background: color-mix(in srgb, var(--surface) 80%, transparent); color: var(--outline); }
.status-dot--live { background: #34d399; }

.project__info { display: flex; flex-direction: column; justify-content: space-between; }
.project__meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: .25rem; }
.project__title { letter-spacing: -.015em; }
.project__subtitle { margin-top: .125rem; font-size: 14px; font-weight: 500; color: var(--secondary); }
.project__quote { margin: .25rem 0 1rem; padding-left: .625rem; border-left: 2px solid var(--outline-variant); font: italic 400 14px/1.5 var(--font-serif); color: var(--on-variant); }
.diag { display: flex; flex-direction: column; gap: .25rem; padding: 1rem; margin-bottom: 1rem; border-radius: var(--radius-lg); background: var(--low); border: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent); }
.diag__block + .diag__block { margin-top: .25rem; padding-top: .25rem; border-top: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent); }
.diag__label { display: block; margin-bottom: 2px; color: var(--outline); }
.diag p { font-size: 12px; line-height: 18px; color: var(--on-surface); }
.block { margin-bottom: 1rem; }
.block > .eyebrow { display: block; margin-bottom: .25rem; }
.features { display: grid; gap: .375rem; grid-template-columns: 1fr; font-size: 12px; line-height: 18px; color: var(--on-variant); }
.features li { display: flex; align-items: center; gap: .375rem; }
.features li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
@media (min-width: 640px) { .features--2 { grid-template-columns: repeat(2, 1fr); } }
.role { display: flex; flex-wrap: wrap; gap: .25rem .375rem; margin-bottom: .5rem; font-size: 12px; color: var(--outline); }
.role strong { color: var(--on-surface); font-weight: 500; }
.project__actions { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .75rem; padding-top: .25rem; border-top: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent); }
.project__actions .btn { padding: .5rem 1rem; font-size: 12px; }
.badge { padding: .25rem .5rem; border-radius: var(--radius); background: var(--lowest); border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); color: var(--outline); }
.evolution { padding: .625rem; border-radius: var(--radius); background: var(--lowest); border: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent); font-size: 12px; color: var(--outline); }
.evolution strong { display: block; margin-bottom: 2px; color: var(--on-surface); font-weight: 500; }

/* Mockups ilustrativos */
.mock { display: flex; flex-direction: column; justify-content: space-between; gap: .75rem; padding: 1rem; height: 100%; }
.mock__head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.mock__panel { display: flex; flex-direction: column; gap: .5rem; padding: .75rem; border-radius: var(--radius-lg); background: color-mix(in srgb, var(--low) 90%, transparent); border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); }
.mock__panel-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding-bottom: .5rem; border-bottom: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); }
.mock__row { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .25rem .5rem; border-radius: var(--radius); background: var(--container); color: var(--on-variant); }
.mock__row span:first-child { color: var(--on-surface); }
.mock__row .ok { color: #34d399; }
.mock__foot { display: flex; align-items: center; justify-content: space-between; gap: .5rem; color: var(--outline); }
.mock__tag { color: var(--primary); }
.mock__note { font-style: italic; }
.mock__panel .ok { color: #34d399; }
.pill-ok { padding: .125rem .5rem; border-radius: var(--radius); background: rgba(2,44,34,.4); border: 1px solid rgba(6,95,70,.4); color: #34d399; font-size: 11px; }
@media (max-width: 639px) { .mock__row span:nth-child(2) { display: none; } .mock__panel-head .mono { font-size: 11px; } }
@media (min-width: 768px) { .mock { padding: 1.5rem; } }

.two-col { display: grid; gap: var(--gutter); }
.two-col > .project { display: flex; flex-direction: column; justify-content: space-between; }
@media (min-width: 768px) { .two-col { grid-template-columns: repeat(2, 1fr); } }

@media (min-width: 1024px) {
  .project--split { grid-template-columns: 7fr 5fr; }
  .project--split .project__info { padding-top: 0; }
}

.method { padding: 1.5rem; border-radius: var(--radius-lg); background: var(--low); border: 1px solid color-mix(in srgb, var(--outline-variant) 30%, transparent); box-shadow: 0 20px 25px -5px rgba(0,0,0,.4); }
.method__intro { max-width: 48rem; margin-bottom: 2.5rem; }
.method__step { display: flex; flex-direction: column; gap: .25rem; padding: 1rem; border-radius: var(--radius-lg); background: var(--container); border: 1px solid color-mix(in srgb, var(--outline-variant) 20%, transparent); }
.method__step .mono { color: var(--primary); font-weight: 500; }
.method__step p { font-size: 12px; line-height: 18px; color: var(--on-variant); }
@media (min-width: 768px) { .method { padding: 2.5rem; } }

/* ==========================================================================
   EXPERIENCIA
   ========================================================================== */
.xp-head { display: grid; gap: var(--gutter); align-items: start; padding-block: 2.5rem 1.5rem; }
.xp-head__intro { display: flex; flex-direction: column; gap: .5rem; }
.xp-head__sub { max-width: 42rem; color: var(--on-variant); font-weight: 300; }
.xp-head__card p { color: var(--on-surface); }
.xp-head__card .card-row { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1rem; padding-top: .5rem; color: var(--on-variant); }
.xp-head__card .card-row b { color: var(--primary); font-weight: 500; }
@media (min-width: 1024px) { .xp-head { grid-template-columns: 2fr 1fr; } .xp-head__card { align-self: end; } }

.timeline { position: relative; display: flex; flex-direction: column; gap: 2.5rem; }
.timeline::before { content: ""; position: absolute; left: 1.5rem; top: 2rem; bottom: 2rem; width: 1px; background: var(--highest); }
.job { position: relative; padding-left: 3rem; }
.job__node { position: absolute; left: .625rem; top: 1rem; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: var(--high); box-shadow: 0 0 0 4px var(--surface); }
.job__node::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--outline); }
.job--current .job__node { background: var(--highest); }
.job--current .job__node::after { width: 8px; height: 8px; background: var(--primary); animation: pulse 2s cubic-bezier(.4,0,.6,1) infinite; }
.job__card { padding: 1.5rem; border-radius: var(--radius-lg); background: var(--container); box-shadow: 0 4px 6px -1px rgba(0,0,0,.3); transition: background .3s; }
.job__card:hover { background: var(--high); }
.job__top { display: flex; flex-direction: column; gap: .5rem; padding-bottom: 1rem; }
.job__id { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; color: var(--outline); text-transform: uppercase; }
.job__flag { padding: .125rem .25rem; border-radius: var(--radius); background: var(--highest); color: var(--primary); font: 500 10px/16px var(--font-mono); letter-spacing: .05em; }
.job__role { color: var(--on-surface); }
.job__date { align-self: flex-start; padding: .25rem 1rem; border-radius: var(--radius); background: var(--low); color: var(--secondary); white-space: nowrap; }
.job__quote { padding-block: 1rem; max-width: 56rem; font-size: 16px; line-height: 26px; color: var(--on-variant); }
.job__resp { padding-block: .5rem 1.5rem; }
.job__resp .eyebrow { display: block; margin-bottom: .5rem; }
.checklist { display: grid; gap: .25rem 1.5rem; color: var(--on-surface); }
.checklist li { display: flex; align-items: flex-start; gap: .25rem; }
.checklist .icon { margin-top: 3px; color: var(--outline); }
.job__stack { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; padding-top: 1rem; }
.job__stack .mono { margin-right: .25rem; text-transform: uppercase; color: var(--outline); font-size: 11px; }
@media (min-width: 640px) { .timeline::before { left: 1.5rem; } .job { padding-left: 4rem; } .job__node { left: .875rem; } }
@media (min-width: 768px) { .checklist { grid-template-columns: repeat(2, 1fr); } .job__card { padding: 2.5rem; } }
@media (min-width: 1024px) {
  .job__top { flex-direction: row; align-items: center; justify-content: space-between; }
}

.impact-card { display: flex; flex-direction: column; justify-content: space-between; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--container); box-shadow: 0 1px 2px rgba(0,0,0,.3); transition: background .2s; }
.impact-card:hover { background: var(--high); }
.impact-card p { color: var(--on-variant); }
.impact-card__foot { margin-top: 1rem; padding-top: 1rem; color: var(--outline); }

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contact-hero { position: relative; overflow: hidden; }
.contact-hero__glow { position: absolute; border-radius: 50%; pointer-events: none; }
.contact-hero__glow--a { top: -8rem; right: 25%; width: 24rem; height: 24rem; background: color-mix(in srgb, var(--highest) 30%, transparent); filter: blur(120px); }
.contact-hero__glow--b { top: 50%; left: -8rem; width: 20rem; height: 20rem; background: color-mix(in srgb, var(--high) 20%, transparent); filter: blur(100px); }
.contact-hero .container { position: relative; z-index: 1; padding-block: 2.5rem; }
.contact-intro { display: grid; gap: var(--gutter); align-items: end; margin-block: 1rem 2.5rem; }
.contact-intro h1 { max-width: 48rem; }
.contact-intro__sub { margin-top: .5rem; font: italic 300 28px/36px var(--font-serif); letter-spacing: -.015em; color: var(--secondary); }
.contact-intro p.lead { max-width: 28rem; }
@media (min-width: 1024px) { .contact-intro { grid-template-columns: 2fr 1fr; } }

.channel { position: relative; overflow: hidden; margin-bottom: 2.5rem; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--low); box-shadow: 0 20px 25px -5px rgba(0,0,0,.4); }
.channel__ghost { position: absolute; top: 0; right: 0; padding: 1.5rem; opacity: .1; pointer-events: none; display: none; }
.channel__ghost .icon { font-size: 120px; color: var(--primary); }
.channel__inner { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 2.5rem; }
.channel__main { flex: 1; display: flex; flex-direction: column; gap: 1rem; }
.channel__badge { align-self: flex-start; display: inline-flex; align-items: center; gap: .25rem; padding: .125rem .5rem; border-radius: 999px; background: var(--highest); color: var(--secondary); text-transform: uppercase; }
.channel__email { font: 500 22px/30px var(--font-mono); letter-spacing: -.01em; color: var(--primary); word-break: break-all; user-select: all; }
.channel__actions { display: flex; flex-wrap: wrap; gap: .5rem; padding-top: .25rem; }
.channel__side { display: flex; flex-direction: column; gap: 1rem; }
.mini { padding: 1rem; border-radius: var(--radius-lg); background: var(--container); }
.mini--sm { padding: .5rem; }
.mini .mono { display: flex; align-items: center; gap: .25rem; color: var(--secondary); }
.mini p { margin-top: .25rem; color: var(--on-variant); }
.mini-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; }
.mini-grid .eyebrow { display: block; }
.mini-grid div div:last-child { font-size: 12px; color: var(--on-surface); }
@media (min-width: 768px) {
  .channel { padding: 2.5rem; }
  .channel__ghost { display: block; }
  .channel__email { font: 500 28px/36px var(--font-mono); }
}
@media (min-width: 1024px) {
  .channel__inner { flex-direction: row; justify-content: space-between; }
  .channel__side { width: 20rem; }
}

.profile { display: block; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--low); box-shadow: 0 1px 2px rgba(0,0,0,.3); transition: background .2s; }
.profile:hover { background: var(--container); }
.profile__head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1rem; }
.profile__who { display: flex; align-items: center; gap: .5rem; }
.profile__who .icon-box { transition: background .2s, color .2s; }
.profile:hover .icon-box { background: var(--primary); color: var(--on-primary); }
.profile__arrow { color: var(--outline); transition: color .2s, transform .2s; }
.profile:hover .profile__arrow { color: var(--primary); transform: translate(2px, -2px); }
.profile p { color: var(--on-variant); }

.terms { display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--low); box-shadow: 0 1px 2px rgba(0,0,0,.3); }
.terms p { padding-top: .25rem; color: var(--on-variant); line-height: 1.6; }
.terms__foot { display: flex; align-items: center; gap: .25rem; padding-top: .5rem; color: var(--outline); }
.mailto { display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1.5rem; border-radius: var(--radius-lg); background: var(--container); box-shadow: 0 4px 6px -1px rgba(0,0,0,.3); }
.mailto .btn { background: var(--highest); color: var(--primary); }
.mailto .btn:hover { background: var(--bright); }
@media (min-width: 768px) { .mailto { flex-direction: row; align-items: center; padding: 2.5rem; } }
.mb-xl { margin-bottom: 2.5rem; }
.mb-lg { margin-bottom: 1.5rem; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { margin-top: 0; padding-block: 2.5rem; background: var(--lowest); }
.site-footer__grid { display: grid; gap: var(--gutter); margin-bottom: 2.5rem; }
.site-footer__brand { display: flex; flex-direction: column; gap: .5rem; }
.site-footer__brand p { max-width: 24rem; color: var(--on-variant); }
.site-footer__loc { display: flex; align-items: center; gap: .25rem; padding-top: .25rem; color: var(--on-variant); }
.site-footer__col { display: flex; flex-direction: column; gap: .5rem; }
.site-footer__col a { color: var(--on-variant); transition: color .2s; }
.site-footer__col a:hover { color: var(--primary); }
.site-footer__col .split { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.site-footer__col .split .mono { color: var(--outline); }
.site-footer__base { display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: .5rem; padding-top: 1.5rem; text-align: center; }
.site-footer__base p:first-child { color: var(--outline); }
.site-footer__base p:last-child { color: var(--on-variant); }
@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: 5fr 4fr 3fr; }
  .site-footer__base { flex-direction: row; text-align: left; }
}

/* ---------- Revelado al hacer scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Evita desbordes horizontales en móvil: las columnas únicas de grid pueden encogerse */
.grid, .hero__grid, .feature, .project, .two-col, .about-hero, .narrative, .xp-head,
.contact-intro, .site-footer__grid { grid-template-columns: minmax(0, 1fr); }
.hero__grid > *, .feature > *, .project > *, .two-col > *, .about-hero > *, .narrative > *, .xp-head > *,
.contact-intro > *, .site-footer__grid > * { min-width: 0; }
@media (max-width: 639px) {
  .btn { white-space: normal; }
  .callout__row { flex-direction: column; gap: .25rem; }
  .callout__row span:last-child { text-align: left; }
  .subhead--split { flex-direction: column; align-items: flex-start; }
}
@media (min-width: 640px) { .grid--2-sm { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__grid { grid-template-columns: 5fr 4fr 3fr; }
}
@media (min-width: 1024px) {
  .grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .hero__grid { grid-template-columns: 2fr 1fr; }
  .feature { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project--split { grid-template-columns: 7fr 5fr; }
  .about-hero { grid-template-columns: 5fr 7fr; }
  .narrative { grid-template-columns: 4fr 8fr; }
  .xp-head, .contact-intro { grid-template-columns: 2fr 1fr; }
}
@media (min-width: 768px) and (max-width: 1023px) { .grid--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 640px) and (max-width: 767px) { .grid--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }