/* ==========================================================================
   FUENTES (self-hosted, variables, subset latino)
   ========================================================================== */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../assets/fonts/inter-var.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-var.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   TOKENS
   ========================================================================== */
:root {
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --bg: #ffffff;
  --ink: #0b1220;
  --ink-2: #3b4a63;
  --ink-3: #5f6b7d;
  --line: #e4e8ef;
  --line-2: #cfd6e1;
  --fill: #f5f7fb;

  --blue: #2563eb;
  --blue-2: #1d4ed8;
  --blue-soft: #e8efff;
  --blue-glow: rgba(37, 99, 235, 0.16);
  --dots: rgba(11, 18, 32, 0.10);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fast: 200ms;
  --base: 400ms;
  --slow: 900ms;

  /* Escala fluida: crece con el viewport pero con techo para ultrawide */
  --fs: clamp(15px, 0.28vw + 12.5px, 18px);
  --page-max: 2080px;
  --pad: clamp(1.25rem, 3.5vw, 4rem);
  --panel-w: clamp(320px, 36vw, 760px);

  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #070b14;
  --ink: #eef2f8;
  --ink-2: #aab6c8;
  --ink-3: #8592a6;
  --line: #172033;
  --line-2: #243046;
  --fill: #0c1220;

  --blue: #3b82f6;
  --blue-2: #60a5fa;
  --blue-soft: rgba(59, 130, 246, 0.14);
  --blue-glow: rgba(59, 130, 246, 0.28);
  --dots: rgba(238, 242, 248, 0.09);

  color-scheme: dark;
}

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

html {
  font-size: var(--fs);
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
  background-image: radial-gradient(var(--dots) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }
p, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
pre { margin: 0; }

.mono { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.01em; }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 3px; }
::selection { background: var(--blue); color: #fff; }

/* Skip link: visible solo al recibir foco con teclado */
.skip {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 70;
  padding: 0.6rem 1rem;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  border-radius: 4px;
  transform: translateY(-200%);
  transition: transform var(--fast) ease;
}

.skip:focus-visible { transform: none; outline-color: #fff; }

.content:focus { outline: none; }

/* Barra de progreso de scroll */
.progress {
  position: fixed;
  top: 0; left: 0;
  z-index: 60;
  height: 2px;
  width: 100%;
  background: var(--blue);
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ==========================================================================
   LAYOUT: panel fijo + contenido
   ========================================================================== */
.page {
  position: relative;
  display: grid;
  grid-template-columns: var(--panel-w) 1fr;
  max-width: var(--page-max);
  margin-inline: auto;
  border-inline: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
}

.panel {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: var(--pad);
  border-right: 1px solid var(--line);
}

.content {
  min-width: 0;
  padding-inline: var(--pad);
}

/* ---------- Panel ---------- */
.panel__status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink-2);
}

.panel__status .dot {
  position: relative;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

.panel__status .dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1.5px solid var(--blue);
  animation: ping 2s var(--ease) infinite;
}

@keyframes ping {
  0%   { transform: scale(0.5); opacity: 0.9; }
  100% { transform: scale(1.9); opacity: 0; }
}

.panel__time {
  margin-left: auto;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.panel__name {
  display: flex;
  flex-direction: column;
  margin-top: 2rem;
  font-size: clamp(2.6rem, 4.6vw, 6.4rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.panel__name span {
  display: block;
  animation: rise var(--slow) var(--ease) both;
}

.panel__name span:nth-child(2) { animation-delay: 80ms; color: var(--blue); }

@keyframes rise {
  from { opacity: 0; transform: translateY(0.6em); }
  to   { opacity: 1; transform: none; }
}

.panel__role {
  margin-top: 1.25rem;
  color: var(--ink-2);
  animation: fade var(--slow) ease 300ms both;
}

.panel__role .sep { color: var(--ink-3); margin-inline: 0.35rem; }

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* Red viva */
.netwrap {
  width: 100%;
  max-width: 340px;
  margin-block: auto;
  opacity: 0;
  animation: fade 1.2s ease 600ms both;
}

.net { width: 100%; height: auto; display: block; overflow: visible; }

.net__links use,
.net__links line { stroke: var(--line-2); stroke-width: 1; fill: none; transition: opacity var(--base) ease, stroke var(--base) ease; }
.net__nodes circle { fill: var(--bg); stroke: var(--blue); stroke-width: 1.5; transition: opacity var(--base) ease, fill var(--base) ease, r var(--base) ease; }
.net__nodes .hub { fill: var(--blue); cursor: pointer; }
.net__packets circle { fill: var(--blue-2); }
.net__labels text {
  font-family: var(--mono);
  font-size: 9px;
  fill: var(--ink-3);
  transition: opacity var(--base) ease;
  pointer-events: none;
}

.net__caption {
  margin-top: 0.6rem;
  color: var(--ink-3);
  min-height: 1.3em;
  transition: opacity 180ms ease;
}

.net__caption.is-changing { opacity: 0; }
html:not(.js) .net__caption { display: none; }

/* Índice de secciones */
.index a {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.35rem 0;
  color: var(--ink-3);
  transition: color var(--fast) ease;
}

.index a .mono { width: 2ch; }

.index a span:last-child {
  position: relative;
  padding-left: 0;
  transition: padding-left var(--base) var(--ease);
}

.index a span:last-child::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--blue);
  transition: width var(--base) var(--ease);
}

.index a:hover,
.index a.is-active { color: var(--ink); }

.index a.is-active span:last-child { padding-left: 1.6rem; }
.index a.is-active span:last-child::before { width: 1.1rem; }
.index a.is-active .mono { color: var(--blue); }

.panel__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.links { display: flex; gap: 1.25rem; }

.links a,
.menu__foot a {
  position: relative;
  color: var(--ink-2);
  transition: color var(--fast) ease;
}

.links a::after,
.menu__foot a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform var(--base) var(--ease);
}

.links a:hover,
.menu__foot a:hover { color: var(--blue); }

.links a:hover::after,
.menu__foot a:hover::after { transform: scaleX(1); transform-origin: 0 50%; }

/* Botón icono + toggle de tema */
.iconbtn {
  display: inline-grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--ink-2);
  background: var(--bg);
  transition: border-color var(--fast) ease, color var(--fast) ease, transform var(--fast) ease;
}

.iconbtn:hover { border-color: var(--blue); color: var(--blue); }
.iconbtn:active { transform: scale(0.92); }

.iconbtn svg { grid-area: 1 / 1; transition: opacity var(--base) ease, transform var(--base) var(--ease); }
.ic-moon { opacity: 1; transform: rotate(0); }
.ic-sun  { opacity: 0; transform: rotate(-90deg) scale(0.5); }
:root[data-theme="dark"] .ic-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }
:root[data-theme="dark"] .ic-sun  { opacity: 1; transform: rotate(0); }

/* Transición circular al cambiar de tema (View Transitions API) */
::view-transition-old(root),
::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; }

/* ==========================================================================
   TOPBAR + MENÚ (mobile)
   ========================================================================== */
.topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: 56px;
  padding-inline: 1.25rem;
  align-items: center;
  justify-content: space-between;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.topbar__name { color: var(--ink); }
.topbar__actions { display: flex; gap: 0.5rem; }

.topbar__menu { display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.topbar__menu span {
  width: 16px; height: 1.5px;
  background: currentColor;
  transition: transform var(--base) var(--ease);
}
.topbar__menu[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.topbar__menu[aria-expanded="true"] span:last-child  { transform: translateY(-3.25px) rotate(-45deg); }

.menu {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 5.5rem 1.5rem 2rem;
  background: var(--bg);
  animation: fade var(--base) ease both;
}

.menu[hidden] { display: none; }

.menu__list a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0;
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  border-bottom: 1px solid var(--line);
  animation: rise var(--slow) var(--ease) both;
  animation-delay: calc(var(--i, 0) * 60ms);
}

.menu__list a .mono { color: var(--blue); font-size: 0.85rem; }
.menu__foot { display: flex; gap: 1.5rem; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.5rem;
  padding-block: 6rem 4rem;
}

.http {
  font-size: clamp(0.78rem, 0.9vw, 0.95rem);
  line-height: 1.65;
  min-height: 23em; /* ~13 líneas + caret: el bloque no crece mientras se tipea (sin saltos de layout) */
  color: var(--ink-2);
  white-space: pre-wrap;
  word-break: break-word;
}

.http .k { color: var(--blue); }
.http .s { color: var(--ink); }
.http .c { color: var(--ink-3); }
.http .ok { color: var(--blue); font-weight: 600; }
.http .err { color: #ef4444; font-weight: 600; }

.caret {
  display: inline-block;
  width: 0.55em; height: 1.1em;
  vertical-align: -0.2em;
  background: var(--blue);
  animation: blink 1s steps(2) infinite;
}

.caret.is-done { animation: none; opacity: 0; }

@keyframes blink { to { opacity: 0; } }

html:not(.js) .caret { display: none; }
html:not(.js) .panel__time { display: none; }
/* Con JS, el bloque pre-renderizado no se muestra hasta que empieza el tipeo (evita el flash) */
.js .http:not(.is-typing) code { visibility: hidden; }
html:not(.js) .hero__statement,
html:not(.js) .hero__cta { opacity: 1; transform: none; }

.hero__statement {
  max-width: 24ch;
  font-size: clamp(1.8rem, 3.2vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.12;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}

.hero__statement em {
  font-style: normal;
  color: var(--blue);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  opacity: 0;
  transition: opacity var(--slow) ease 200ms;
}

.hero.is-ready .hero__statement { opacity: 1; transform: none; }
.hero.is-ready .hero__cta { opacity: 1; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 2px;
  transition: color var(--fast) ease, border-color var(--fast) ease;
}

.link-arrow span { display: inline-block; transition: transform var(--base) var(--ease); }
.link-arrow:hover { color: var(--blue); border-color: var(--blue); }
.link-arrow:hover span { transform: translate(2px, -2px); }

/* ==========================================================================
   SECCIONES
   ========================================================================== */
.sec {
  position: relative;
  padding-block: clamp(3.5rem, 7vw, 7rem) 0;
}

.sec__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1.25rem;
  align-items: baseline;
  padding-bottom: 1.25rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}

.sec__num { color: var(--blue); }

.sec__head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  letter-spacing: -0.035em;
}

.sec__hint {
  grid-column: 2;
  margin-top: 0.35rem;
  color: var(--ink-3);
}

/* Reveal genérico: solo se oculta si hay JS que lo vaya a mostrar.
   Ojo: define transition, así que no va en elementos con transiciones propias (envolverlos). */
.js .r {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
}

.js .r.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   PROYECTOS (filas + preview que sigue al cursor)
   ========================================================================== */
.proj {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  padding: clamp(1.5rem, 2.5vw, 2.25rem) 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

/* Hover sin mover nada: la línea inferior se pinta de azul de izquierda a derecha */
.proj::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--slow) var(--ease);
}

.proj:hover::after,
.proj:focus-visible::after { transform: scaleX(1); }

.proj__i { color: var(--ink-3); padding-top: 0.35rem; transition: color var(--fast) ease; }
.proj:hover .proj__i,
.proj:focus-visible .proj__i { color: var(--blue); }

.proj__body { display: flex; flex-direction: column; gap: 0.6rem; min-width: 0; }

.proj h3 {
  font-size: clamp(1.25rem, 1.9vw, 1.75rem);
  letter-spacing: -0.03em;
}

.proj__meta { color: var(--ink-3); font-size: 0.85rem; }
.proj__desc { color: var(--ink-2); max-width: 62ch; }

.tags { display: flex; flex-wrap: wrap; gap: 0.35rem 0.9rem; margin-top: 0.4rem; color: var(--ink-3); }
.tags li::before { content: "#"; color: var(--blue); opacity: 0.7; }

.proj--static { cursor: default; }

/* Etiqueta "abrir galería": solo en pantallas sin la flecha flotante */
.proj__open { display: none; color: var(--blue); margin-top: 0.25rem; }

.proj__thumb { display: none; }

.proj__arrow {
  align-self: start;
  font-size: 1.4rem;
  color: var(--ink-3);
  transition: transform var(--base) var(--ease), color var(--fast) ease;
}

.proj:hover .proj__arrow { color: var(--blue); transform: translate(3px, -3px); }

/* Imagen flotante */
.preview {
  position: fixed;
  top: 0; left: 0;
  z-index: 40;
  width: clamp(240px, 22vw, 380px);
  aspect-ratio: 3 / 2;
  border-radius: 6px;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity var(--base) ease;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.45);
  will-change: transform;
}

.preview.is-on { opacity: 1; }
.preview img { width: 100%; height: 100%; object-fit: cover; }

/* ==========================================================================
   CONTRIBUCIONES (formato log)
   ========================================================================== */
.log { border: 1px solid var(--line); background: color-mix(in srgb, var(--fill) 70%, transparent); }

.log__line {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-3);
}

.log__lvl {
  padding: 0.1rem 0.5rem;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.log__grid {
  display: grid;
  grid-template-columns: 1fr clamp(160px, 18vw, 260px);
  gap: 2rem;
  align-items: start;
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.log h3 { font-size: clamp(1.2rem, 1.8vw, 1.6rem); letter-spacing: -0.03em; }
.log p { margin-top: 0.8rem; color: var(--ink-2); max-width: 60ch; }
.log strong { color: var(--blue); font-weight: 600; }

.log__grid img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 6px; }

.kv { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 1.5rem; }
.kv div { display: grid; grid-template-columns: 9ch 1fr; gap: 1rem; }
.kv dt { color: var(--blue); }
.kv dd { color: var(--ink-2); }

/* ==========================================================================
   CERTIFICADOS (marquee)
   ========================================================================== */
.marquee {
  overflow: hidden;
  margin-inline: calc(var(--pad) * -1);
  padding-block: 0.5rem;
  border-block: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  padding-inline: 0.625rem;
  animation: scroll-x 48s linear infinite;
}

.marquee:hover .marquee__track,
.marquee.is-paused .marquee__track { animation-play-state: paused; }

.marquee__pause {
  grid-column: 2;
  justify-self: start;
  margin-top: 0.75rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--ink-3);
  transition: border-color var(--fast) ease, color var(--fast) ease;
}

.marquee__pause:hover,
.marquee__pause[aria-pressed="true"] { border-color: var(--blue); color: var(--blue); }

@keyframes scroll-x {
  to { transform: translateX(-50%); }
}

.cert {
  flex: 0 0 auto;
  width: clamp(240px, 22vw, 340px);
  border: 1px solid var(--line);
  background: var(--bg);
  transition: border-color var(--fast) ease, transform var(--base) var(--ease);
}

.cert:hover { border-color: var(--blue); transform: translateY(-3px); }

.cert img {
  width: 100%;
  aspect-ratio: 1772 / 928;
  object-fit: cover;
  background: var(--fill);
  filter: saturate(0.85);
}

.cert span { display: block; padding: 0.7rem 0.9rem; border-top: 1px solid var(--line); color: var(--ink-2); }

/* ==========================================================================
   SKILLS (hoja de especificaciones)
   ========================================================================== */
.spec { display: flex; flex-direction: column; }

.spec__group {
  display: grid;
  grid-template-columns: clamp(120px, 14vw, 200px) 1fr;
  gap: 1.5rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.spec__group:first-child { border-top: 1px solid var(--line); }
.spec__group h3 { color: var(--blue); padding-top: 0.2rem; }

.spec li {
  display: grid;
  grid-template-columns: minmax(140px, 0.4fr) 1fr;
  gap: 1.25rem;
  padding: 0.55rem 0.75rem;
  margin-inline: -0.75rem;
  border-radius: 4px;
  transition: background-color var(--fast) ease;
}

.spec li:hover { background: var(--blue-soft); }
.spec li span { font-weight: 500; }
.spec li p { color: var(--ink-2); font-size: 0.92rem; }

/* ==========================================================================
   IDIOMAS
   ========================================================================== */
.langs { border-top: 1px solid var(--line); max-width: 720px; }

.lang {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.lang__name { font-weight: 500; font-size: 1.1rem; }
.lang__lvl { color: var(--ink-3); }

.lang__dots { display: flex; gap: 6px; }

.lang__dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--line-2);
  transform: scale(0.6);
  transition: transform var(--base) var(--ease), background-color var(--base) ease, border-color var(--base) ease;
}

.lang.is-in .lang__dots i { transform: scale(1); }
.lang.is-in .lang__dots i.on { background: var(--blue); border-color: var(--blue); }

.lang__dots i:nth-child(1) { transition-delay: 0ms; }
.lang__dots i:nth-child(2) { transition-delay: 60ms; }
.lang__dots i:nth-child(3) { transition-delay: 120ms; }
.lang__dots i:nth-child(4) { transition-delay: 180ms; }
.lang__dots i:nth-child(5) { transition-delay: 240ms; }
.lang__dots i:nth-child(6) { transition-delay: 300ms; }

/* ==========================================================================
   CONTACTO / FOOTER
   ========================================================================== */
.sec--contact { padding-bottom: clamp(3rem, 6vw, 6rem); }

.contact__lead { color: var(--ink-2); max-width: 48ch; }

.contact__mail {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: clamp(1.15rem, 2.6vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
  background-image: linear-gradient(var(--blue), var(--blue));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 2px;
  transition: background-size var(--slow) var(--ease), color var(--fast) ease;
}

.contact__mail:hover { color: var(--blue); background-size: 100% 2px; }

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.btn-copy {
  padding: 0.55rem 1rem;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--ink-2);
  transition: border-color var(--fast) ease, color var(--fast) ease, background-color var(--fast) ease;
}

.btn-copy:hover { border-color: var(--blue); color: var(--blue); }
.btn-copy.is-done { background: var(--blue); border-color: var(--blue); color: #fff; }

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
}

/* ==========================================================================
   LIGHTBOX
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.lightbox[hidden] { display: none; }

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 6, 14, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fade var(--base) ease both;
}

.lightbox__figure {
  position: relative;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: min(1200px, 100%);
  animation: pop var(--base) var(--ease) both;
}

@keyframes pop {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.lightbox__img {
  max-width: 100%;
  max-height: 76vh;
  border-radius: 4px;
  background: #070b14;
  transition: opacity var(--fast) ease;
}

.lightbox__img.is-loading { opacity: 0; }

.lightbox__figure::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 28px; height: 28px;
  margin: -14px 0 0 -14px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--blue);
  animation: spin 0.8s linear infinite;
  opacity: 0;
  transition: opacity var(--fast) ease 150ms;
}

.lightbox__figure.is-loading::before { opacity: 1; }

@keyframes spin { to { transform: rotate(360deg); } }

.lightbox__caption { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.25rem; color: #c9d2e0; }
.lightbox__caption a { color: #fff; border-bottom: 1px solid var(--blue); }

.lb-btn {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  transition: background-color var(--fast) ease, border-color var(--fast) ease;
}

.lb-btn:hover { background: var(--blue); border-color: var(--blue); }
.lb-close { top: 1.25rem; right: 1.25rem; }
.lb-prev { left: 1.25rem; top: 50%; margin-top: -22px; }
.lb-next { right: 1.25rem; top: 50%; margin-top: -22px; }
.lightbox.is-single .lb-prev,
.lightbox.is-single .lb-next { display: none; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Ultrawide: el panel y el contenido respiran más y el hero no queda vacío */
@media (min-width: 1800px) {
  :root { --pad: 5rem; }
  .content { padding-right: 6rem; }

  /* El hero usa el ancho: respuesta HTTP a la izquierda, statement a la derecha */
  .hero {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
    column-gap: 5rem;
  }

  .hero .http { grid-row: 1 / span 2; }
  .hero__statement { max-width: 20ch; font-size: clamp(2.6rem, 2.4vw, 3.6rem); align-self: end; }
  .hero__cta { align-self: start; }

  .netwrap { max-width: 420px; }
  .log__grid { grid-template-columns: 1fr 300px; }
}

/* Tablet / notebook chica: una sola columna, el panel pasa a ser cabecera */
@media (max-width: 1024px) {
  :root { --pad: clamp(1.25rem, 4vw, 2.5rem); }

  .topbar { display: flex; }

  .page {
    grid-template-columns: 1fr;
    border-inline: 0;
  }

  .panel {
    position: static;
    height: auto;
    padding-top: 6rem;
    padding-bottom: 2.5rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    gap: 2.5rem;
  }

  .panel__name { font-size: clamp(3rem, 11vw, 5.5rem); }

  .netwrap { max-width: 240px; margin-block: 0; }

  .index, .panel__foot { display: none; }

  .hero { min-height: 0; padding-block: 3.5rem 2rem; }

  .proj { grid-template-columns: auto 1fr; }
  .proj__arrow { display: none; }
  .proj__open { display: inline-block; }

  .proj__thumb {
    display: block;
    grid-column: 2;
    width: clamp(160px, 40vw, 280px);
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-radius: 6px;
    order: -1;
  }

  .proj__body { grid-column: 2; }
  .proj__i { grid-row: 1 / span 2; }

  .preview { display: none; }
}

@media (max-width: 640px) {
  .sec__head { grid-template-columns: 1fr; row-gap: 0.25rem; }
  .sec__hint { grid-column: 1; }

  .proj { grid-template-columns: 1fr; gap: 1rem; }
  .proj__i, .proj__thumb, .proj__body { grid-column: 1; }
  .proj__thumb { width: 100%; }
  .proj__i { grid-row: auto; }

  .log__grid { grid-template-columns: 1fr; }
  .log__grid img { max-width: 320px; }
  .kv div { grid-template-columns: 1fr; gap: 0.1rem; }

  .spec__group { grid-template-columns: 1fr; gap: 0.75rem; }
  .spec li { grid-template-columns: 1fr; gap: 0.15rem; }

  .lang { grid-template-columns: 1fr auto; }
  .lang__lvl { grid-column: 1; }
  .lang__dots { grid-column: 2; grid-row: 1 / span 2; }

  .lb-close { top: 0.75rem; right: 0.75rem; }
  .lb-prev { left: 0.5rem; }
  .lb-next { right: 0.5rem; }
}

/* Sin hover (touch): la preview flotante y su pista no tienen sentido */
@media (hover: none) {
  .preview { display: none; }
  #proyectos .sec__hint { display: none; }
}

/* ==========================================================================
   IMPRESIÓN
   ========================================================================== */
@media print {
  :root { --bg: #fff; --ink: #000; --ink-2: #222; --ink-3: #555; --line: #ccc; }
  body { background-image: none; font-size: 11pt; }
  .page { display: block; max-width: none; border: 0; }
  .panel { position: static; height: auto; border: 0; padding: 0 0 1rem; }
  .netwrap, .index, .panel__foot, .topbar, .menu, .progress, .skip, .preview,
  .hero__cta, .sec__hint, .marquee__pause, .proj__arrow, .contact__actions, .lightbox { display: none !important; }
  .hero { min-height: 0; padding: 0 0 1rem; display: block; }
  .http { display: none; }
  .content { padding: 0; }
  .sec { padding-top: 1.25rem; break-inside: avoid; }
  .proj { break-inside: avoid; padding: 0.75rem 0; }
  .proj__thumb, .marquee { display: none; }
  .js .r { opacity: 1; transform: none; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #555; }
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .r, .hero__statement, .hero__cta, .netwrap { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .lang__dots i { transform: scale(1); }
}