/* ═══════════════════════════════════════════════════════════
   PORFOLIO — Pedro José Riquelme Guerrero
   Dirección visual: plano técnico. Fondo azul tinta, retícula
   sutil, tipografía ancha de cartel y un único acento ámbar.

   ÍNDICE
   1. Variables (colores y tipografías)  ← EDITAR AQUÍ los colores
   2. Base y utilidades
   3. Navegación
   4. Portada + ruta del paquete
   5. Perfil
   6. Proyectos
   7. Formación
   8. Contacto y pie
   9. Responsive
   ═══════════════════════════════════════════════════════════ */

/* ═══ 1. VARIABLES ═══ */
:root{
  --ink:      #0B1119;   /* fondo principal */
  --ink-2:    #0E1620;   /* fondo de secciones alternas */
  --panel:    #121C27;   /* tarjetas */
  --line:     #1E2C3A;   /* bordes */
  --paper:    #E7EEF6;   /* texto principal */
  --muted:    #8DA1B7;   /* texto secundario */
  --signal:   #FFB020;   /* acento: ámbar de señalización */
  --wire:     #5FA8C7;   /* acento frío: cables y categorías */

  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body:    'Instrument Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --wrap: 1180px;
  --r: 4px;               /* radio de esquinas: casi recto, look técnico */
}

/* ═══ 2. BASE ═══ */
*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top:88px; }

body{
  margin:0;
  background-color:var(--ink);
  /* retícula de plano */
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:104px 104px, 104px 104px;
  background-position:center top;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body::before{           /* atenúa la retícula sin apagarla del todo */
  content:"";
  position:fixed; inset:0;
  background:radial-gradient(120% 90% at 50% 0%, rgba(11,17,25,.72) 0%, rgba(11,17,25,.94) 55%, var(--ink) 100%);
  pointer-events:none; z-index:0;
}
body > *{ position:relative; z-index:1; }

img{ max-width:100%; display:block; }
a{ color:inherit; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:24px; }

.skip{
  position:absolute; left:-9999px; top:0;
  background:var(--signal); color:#0B1119; padding:12px 18px; z-index:99;
  font-family:var(--font-mono); font-size:.85rem;
}
.skip:focus{ left:0; }

:focus-visible{ outline:2px solid var(--signal); outline-offset:3px; }

/* Tipografía */
.h2{
  font-family:var(--font-display);
  font-stretch:112%;
  font-weight:700;
  font-size:clamp(1.75rem, 3.4vw, 2.75rem);
  line-height:1.08;
  letter-spacing:-.015em;
  margin:.2em 0 .5em;
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--signal);
  margin:0 0 6px;
}
p{ margin:0 0 1.05em; }
.section__sub, .contacto__sub{ color:var(--muted); max-width:56ch; }

.section{ padding:104px 0; }
.section--alt{ background:var(--ink-2); border-block:1px solid var(--line); }
.section__head{ max-width:60ch; margin-bottom:52px; }

/* Botones */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 26px;
  font-family:var(--font-mono); font-size:.82rem; letter-spacing:.08em;
  text-transform:uppercase; text-decoration:none;
  border:1px solid var(--line); border-radius:var(--r);
  transition:background .2s, color .2s, border-color .2s, transform .2s;
}
.btn--solid{ background:var(--signal); color:#0B1119; border-color:var(--signal); font-weight:500; }
.btn--solid:hover{ background:#ffc04d; border-color:#ffc04d; transform:translateY(-2px); }
.btn--ghost{ color:var(--paper); }
.btn--ghost:hover{ border-color:var(--signal); color:var(--signal); transform:translateY(-2px); }

/* Chips de tecnologías */
.chips{ list-style:none; display:flex; flex-wrap:wrap; gap:8px; margin:0; padding:0; }
.chips li{
  font-family:var(--font-mono); font-size:.76rem;
  padding:6px 11px;
  border:1px solid var(--line); border-radius:var(--r);
  background:rgba(95,168,199,.05);
  color:var(--paper);
}
.chips--sm li{ font-size:.7rem; padding:4px 9px; color:var(--muted); background:none; }

/* Aparición al hacer scroll */
.reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease; }
.reveal.is-in{ opacity:1; transform:none; }

/* ═══ 3. NAVEGACIÓN ═══ */
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter:blur(10px);
  background:rgba(11,17,25,.78);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
.nav.is-stuck{ border-bottom-color:var(--line); background:rgba(11,17,25,.94); }
.nav__inner{ display:flex; align-items:center; justify-content:space-between; height:72px; gap:20px; }
.nav__brand{ display:flex; align-items:center; gap:12px; text-decoration:none; }
.nav__mark{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.14em;
  color:#0B1119; background:var(--signal);
  padding:5px 8px; border-radius:var(--r);
}
.nav__name{ font-family:var(--font-display); font-stretch:108%; font-weight:600; font-size:1rem; }
.nav__links{ display:flex; align-items:center; gap:28px; }
.nav__links a{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.1em;
  text-transform:uppercase; text-decoration:none; color:var(--muted);
  transition:color .2s;
}
.nav__links a:hover{ color:var(--paper); }
.nav__cta{ color:var(--signal) !important; border:1px solid var(--line); padding:8px 14px; border-radius:var(--r); }
.nav__cta:hover{ border-color:var(--signal); }

/* ═══ 4. PORTADA ═══ */
.hero{ padding:88px 0 104px; }
.hero__eyebrow{ display:flex; align-items:center; gap:10px; color:var(--muted); }
.dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--signal); box-shadow:0 0 0 4px rgba(255,176,32,.15);
  animation:blink 2.6s ease-in-out infinite;
}
@keyframes blink{ 0%,100%{opacity:1} 50%{opacity:.35} }

.hero__title{
  font-family:var(--font-display);
  font-stretch:118%;
  font-weight:800;
  font-size:clamp(2.5rem, 7.6vw, 5.4rem);
  line-height:.94;
  letter-spacing:-.03em;
  text-transform:uppercase;
  margin:.18em 0 .32em;
}
.hero__lead{ max-width:58ch; color:var(--muted); font-size:1.08rem; }
.hero__actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:34px; }

/* ── Ruta del paquete ── */
.route-block{ margin-top:88px; border-top:1px solid var(--line); padding-top:34px; }
.route-block__label{ color:var(--muted); }

.route{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:12px;
  margin:26px 0 34px;
}
.route__rail{
  position:absolute; left:6%; right:6%; top:29px; height:1px;
  background:linear-gradient(90deg, transparent, var(--line) 12%, var(--line) 88%, transparent);
  overflow:hidden;
}
.route__pulse{
  position:absolute; top:0; left:0; width:70px; height:1px;
  background:linear-gradient(90deg, transparent, var(--signal), transparent);
  animation:travel 5.5s linear infinite;
}
@keyframes travel{ from{ transform:translateX(-70px) } to{ transform:translateX(calc(100% + 100vw)) } }

.node{
  position:relative; z-index:1;
  display:flex; flex-direction:column; align-items:center; gap:12px;
  background:none; border:0; padding:0; cursor:pointer;
  color:var(--muted); font-family:var(--font-mono); font-size:.75rem;
  letter-spacing:.06em;
  transition:color .2s;
}
.node--static{ cursor:default; opacity:.6; }
.node__box{
  display:grid; place-items:center;
  width:58px; height:58px;
  border:1px solid var(--line); border-radius:var(--r);
  background:var(--ink);
  transition:border-color .25s, background .25s, transform .25s, box-shadow .25s;
}
.node__box svg{ width:24px; height:24px; }
.node__label{ text-transform:uppercase; }

.node:not(.node--static):hover .node__box{ border-color:var(--wire); transform:translateY(-3px); }
.node:not(.node--static):hover{ color:var(--paper); }
.node.is-active{ color:var(--signal); }
.node.is-active .node__box{
  border-color:var(--signal);
  background:rgba(255,176,32,.08);
  box-shadow:0 0 0 4px rgba(255,176,32,.07);
}

.areas{ position:relative; }
.area{
  display:none;
  border:1px solid var(--line); border-radius:var(--r);
  background:var(--panel);
  padding:30px 32px;
}
.area.is-active{ display:block; animation:fadeUp .35s ease both; }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(8px) } to{ opacity:1; transform:none } }
.area__title{
  font-family:var(--font-display); font-stretch:108%;
  font-size:1.25rem; font-weight:700; margin:0 0 8px;
}
.area__desc{ color:var(--muted); max-width:64ch; margin-bottom:18px; }

/* ═══ 5. PERFIL ═══ */
.perfil{ display:grid; grid-template-columns:300px 1fr; gap:56px; align-items:start; }
.perfil__media{ position:relative; }
.perfil__media img{
  width:100%;
  /* La foto se recorta sola al formato retrato: da igual el tamaño
     del archivo que pongas, nunca sale estirada.
     EDITAR: object-position sube o baja el encuadre (menos % = más arriba). */
  aspect-ratio:4 / 5;
  object-fit:cover;
  object-position:50% 30%;
  border-radius:var(--r);
  border:1px solid var(--line);
  filter:grayscale(.25) contrast(1.04);
}
.perfil__media::after{      /* marca de esquina, guiño a las guías de un plano */
  content:""; position:absolute; right:-9px; bottom:-9px;
  width:56px; height:56px;
  border-right:1px solid var(--signal); border-bottom:1px solid var(--signal);
}
.perfil__body p{ color:var(--muted); }

.ficha{ margin:32px 0 0; display:grid; gap:0; border-top:1px solid var(--line); }
.ficha div{
  display:grid; grid-template-columns:150px 1fr; gap:16px;
  padding:13px 0; border-bottom:1px solid var(--line);
}
.ficha dt{ font-family:var(--font-mono); font-size:.74rem; text-transform:uppercase; letter-spacing:.1em; color:var(--muted); }
.ficha dd{ margin:0; font-size:.95rem; }

/* ═══ 6. PROYECTOS ═══ */
.projs{ display:grid; gap:20px; }
.proj{
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-areas:"meta meta" "title title" "desc desc" "chips link";
  gap:14px 24px;
  align-items:end;
  padding:32px;
  border:1px solid var(--line); border-radius:var(--r);
  background:var(--panel);
  transition:border-color .25s, transform .25s, background .25s;
}
.proj:hover{ border-color:#2C3E51; transform:translateY(-3px); }
.proj__meta{ grid-area:meta; display:flex; align-items:center; gap:14px; }
.tag{
  font-family:var(--font-mono); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase;
  padding:4px 10px; border-radius:var(--r); border:1px solid;
}
.tag--sec{ color:var(--signal); border-color:rgba(255,176,32,.35); background:rgba(255,176,32,.06); }
.tag--net{ color:var(--wire);  border-color:rgba(95,168,199,.35); background:rgba(95,168,199,.06); }
.tag--dev{ color:var(--paper); border-color:var(--line); }
.proj__year{ font-family:var(--font-mono); font-size:.72rem; color:var(--muted); }
.proj__title{
  grid-area:title; margin:0;
  font-family:var(--font-display); font-stretch:108%;
  font-weight:700; font-size:clamp(1.25rem, 2.2vw, 1.6rem); line-height:1.15;
}
.proj__desc{ grid-area:desc; color:var(--muted); margin:0; max-width:72ch; }
.proj .chips{ grid-area:chips; }
.proj__link{
  grid-area:link; justify-self:end; white-space:nowrap;
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.06em;
  text-decoration:none; color:var(--signal);
  border-bottom:1px solid transparent; padding-bottom:2px;
  transition:border-color .2s, gap .2s;
}
.proj__link:hover{ border-bottom-color:var(--signal); }
.proj__link span{ display:inline-block; transition:transform .2s; }
.proj__link:hover span{ transform:translateX(4px); }

/* ═══ 7. FORMACIÓN ═══ */
.timeline{ list-style:none; margin:0; padding:0; border-left:1px solid var(--line); }
.tl{ position:relative; display:grid; grid-template-columns:170px 1fr; gap:28px; padding:0 0 44px 34px; }
.tl:last-child{ padding-bottom:0; }
.tl::before{
  content:""; position:absolute; left:-4.5px; top:9px;
  width:8px; height:8px; border-radius:50%;
  background:var(--ink); border:1px solid var(--signal);
}
.tl__when{ font-family:var(--font-mono); font-size:.74rem; letter-spacing:.12em; text-transform:uppercase; color:var(--signal); padding-top:2px; }
.tl__title{ margin:0 0 4px; font-family:var(--font-display); font-stretch:106%; font-size:1.12rem; font-weight:600; line-height:1.3; }
.tl__where{ margin:0 0 8px; font-family:var(--font-mono); font-size:.8rem; color:var(--wire); }
.tl__desc{ margin:0; color:var(--muted); font-size:.95rem; }

/* ═══ 8. CONTACTO Y PIE ═══ */
.contacto__grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:40px; }
.card-contact{
  display:grid; gap:6px;
  padding:24px 26px;
  border:1px solid var(--line); border-radius:var(--r);
  background:var(--panel); text-decoration:none;
  transition:border-color .2s, transform .2s;
}
.card-contact:hover{ border-color:var(--signal); transform:translateY(-3px); }
.card-contact__label{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); }
.card-contact__value{ font-size:1rem; word-break:break-word; }

.footer{ border-top:1px solid var(--line); padding:30px 0; }
.footer__inner{
  display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap;
  font-family:var(--font-mono); font-size:.76rem; color:var(--muted);
}
.footer a{ text-decoration:none; }
.footer a:hover{ color:var(--signal); }

/* ═══ 9. RESPONSIVE ═══ */
@media (max-width:900px){
  .perfil{ grid-template-columns:1fr; gap:36px; }
  .perfil__media{ max-width:240px; }
  .contacto__grid{ grid-template-columns:1fr; }
  .tl{ grid-template-columns:1fr; gap:8px; }
}

@media (max-width:720px){
  body{ font-size:16px; }
  .section{ padding:76px 0; }
  .nav__name{ display:none; }
  .nav__links{ gap:16px; }
  .nav__links a{ font-size:.7rem; }

  /* la ruta pasa a ser vertical */
  .route{ grid-template-columns:1fr; gap:0; }
  .route__rail{
    left:29px; right:auto; top:10px; bottom:10px;
    width:1px; height:auto;
    background:linear-gradient(180deg, transparent, var(--line) 8%, var(--line) 92%, transparent);
  }
  .route__pulse{ width:1px; height:60px; background:linear-gradient(180deg, transparent, var(--signal), transparent); animation:travelY 5.5s linear infinite; }
  @keyframes travelY{ from{ transform:translateY(-60px) } to{ transform:translateY(calc(100% + 90vh)) } }
  .node{ flex-direction:row; gap:16px; padding:9px 0; width:100%; }
  .node__box{ width:58px; height:58px; flex:0 0 auto; }

  .proj{ grid-template-columns:1fr; grid-template-areas:"meta" "title" "desc" "chips" "link"; padding:26px 22px; }
  .proj__link{ justify-self:start; }
  .area{ padding:24px 22px; }
  .ficha div{ grid-template-columns:1fr; gap:2px; }
}

/* Respeta la preferencia de movimiento reducido */
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; }
}