/* ==========================================================================
   El Alquimista Digital · Portafolio
   Paleta: #0D1B2A · #1B263B · #415A77 · #778DA9 · #E0E1DD (+ blanco para texto)
   ========================================================================== */

:root {
  color-scheme: dark;
  --bg: #0D1B2A;
  --bg-deep: #091420;
  --surface: #1B263B;
  --surface-2: #213049;
  --steel: #415A77;
  --mist: #778DA9;
  --mist-light: #A7B7CC;
  --bone: #E0E1DD;
  --white: #FFFFFF;

  --text: var(--white);
  --text-soft: var(--bone);
  --text-muted: var(--mist-light);
  --line: rgba(119, 141, 169, .14);
  --line-strong: rgba(119, 141, 169, .32);
  --glow: rgba(65, 90, 119, .55);
  --ok: #7FD1AE;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --step--1: clamp(.8rem, .78rem + .1vw, .875rem);
  --step-0: clamp(1rem, .97rem + .15vw, 1.0625rem);
  --step-1: clamp(1.2rem, 1.1rem + .4vw, 1.45rem);
  --step-2: clamp(1.5rem, 1.3rem + .9vw, 2.1rem);
  --step-3: clamp(2rem, 1.6rem + 1.9vw, 3.3rem);
  --step-4: clamp(2.6rem, 1.8rem + 3.8vw, 5.4rem);
  --step-5: clamp(3rem, 1.9rem + 5.6vw, 7.4rem);

  --radius: 14px;
  --radius-lg: 22px;
  --gutter: clamp(16px, 4vw, 48px);
  --max: 1240px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --header-h: 68px;
}

@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .45s; animation-timing-function: var(--ease-out); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-soft);
  font: 400 var(--step-0)/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--text); font-weight: 600; line-height: 1.05; letter-spacing: -.025em; margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
::selection { background: var(--steel); color: var(--white); }
:focus-visible { outline: 2px solid var(--bone); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--white); color: var(--bg); padding: 10px 16px; border-radius: 8px; font-weight: 600; transition: top .2s; }
.skip:focus { top: 12px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

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

/* Fondo: retícula, resplandor y grano -------------------------------------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 85%);
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none;
  width: 70vmax; height: 70vmax; left: 50%; top: -35vmax; translate: -50% 0;
  background: radial-gradient(circle, rgba(65, 90, 119, .45), transparent 62%);
  filter: blur(20px);
}
.bg-noise {
  position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Utilidades ---------------------------------------------------------------- */
.mono { font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: .02em; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 var(--step--1)/1 var(--font-mono); color: var(--mist-light); text-transform: uppercase; letter-spacing: .12em;
}
.kicker::before { content: ''; width: 18px; height: 1px; background: currentColor; }
.cursor::after { content: '_'; color: var(--mist); animation: blink 1.05s steps(1) infinite; margin-left: .04em; }
@keyframes blink { 50% { opacity: 0; } }
.muted { color: var(--text-muted); }

.tag {
  display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 11px;
  border: 1px solid var(--line-strong); border-radius: 999px; background: rgba(27, 38, 59, .6);
  font: 500 12px/1 var(--font-mono); color: var(--bone); letter-spacing: .02em; white-space: nowrap;
}

.btn {
  --b: var(--white);
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  font: 600 15px/1 var(--font-body); white-space: nowrap;
  background: var(--b); color: var(--bg); overflow: hidden; isolation: isolate;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out);
}
.btn::before { content: ''; position: absolute; inset: 0; z-index: -1; background: var(--bone); transform: translateY(101%); transition: transform .35s var(--ease-out); }
.btn:hover::before { transform: translateY(0); }
.btn:hover { box-shadow: 0 10px 30px -10px rgba(224, 225, 221, .45); }
.btn:active { transform: scale(.97); }
.btn svg { width: 18px; height: 18px; transition: transform .3s var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }
.btn--ghost { background: transparent; color: var(--white); border: 1px solid var(--line-strong); }
.btn--ghost::before { background: var(--surface); }
.btn--ghost:hover { box-shadow: none; border-color: var(--mist); }

/* Cabecera ------------------------------------------------------------------ */
.header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--header-h);
  display: flex; align-items: center;
  transition: transform .4s var(--ease-out), background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled { background: rgba(9, 20, 32, .72); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); border-color: var(--line); }
.header.is-hidden { transform: translateY(-100%); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font: 600 15px/1 var(--font-mono); color: var(--white); }
.logo svg { width: 30px; height: 30px; }
.logo span em { font-style: normal; color: var(--mist); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a:not(.btn) { padding: 10px 14px; border-radius: 999px; font: 500 14px/1 var(--font-body); color: var(--text-muted); transition: color .2s, background .2s; }
.nav a:not(.btn):hover, .nav a[aria-current] { color: var(--white); background: rgba(65, 90, 119, .25); }
.nav .btn { min-height: 40px; padding: 0 18px; font-size: 14px; margin-left: 8px; }
.status { display: inline-flex; align-items: center; gap: 8px; font: 500 12px/1 var(--font-mono); color: var(--text-muted); }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(127, 209, 174, .6); animation: pulse 2.2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(127, 209, 174, 0); } 100% { box-shadow: 0 0 0 0 rgba(127, 209, 174, 0); } }
.menu-btn { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line-strong); align-items: center; justify-content: center; }
.menu-btn span, .menu-btn span::before { display: block; width: 18px; height: 1.5px; background: var(--white); transition: transform .3s var(--ease-out); position: relative; }
.menu-btn span::before { content: ''; position: absolute; top: 6px; }
.menu-btn span { transform: translateY(-3px); }
.menu-open .menu-btn span { transform: translateY(0) rotate(45deg); }
.menu-open .menu-btn span::before { transform: translateY(-6px) rotate(-90deg); }

@media (max-width: 860px) {
  .status { display: none; }
  .menu-btn { display: inline-flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto; flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px var(--gutter) 24px; background: rgba(9, 20, 32, .97); border-bottom: 1px solid var(--line);
    clip-path: inset(0 0 100% 0); visibility: hidden; transition: clip-path .45s var(--ease-out), visibility .45s;
  }
  .menu-open .nav { clip-path: inset(0 0 0 0); visibility: visible; }
  .nav a:not(.btn) { padding: 16px 4px; font-size: 20px; font-family: var(--font-display); color: var(--white); border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav a:not(.btn):hover { background: none; }
  .nav .btn { margin: 18px 0 0; min-height: 52px; }
}

/* Secciones ----------------------------------------------------------------- */
.section { padding-block: clamp(80px, 12vw, 160px); position: relative; }
.section-head { display: grid; gap: 18px; margin-bottom: clamp(36px, 6vw, 64px); max-width: 760px; }
.section-head h2 { font-size: var(--step-3); }
.section-head p { color: var(--text-muted); font-size: var(--step-1); line-height: 1.5; }
.section-head--row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }

/* Hero ---------------------------------------------------------------------- */
.hero { min-height: 100svh; display: flex; align-items: center; padding-top: calc(var(--header-h) + 40px); padding-bottom: 60px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .95fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 1.2rem + 3.4vw, 4.9rem); font-weight: 600; letter-spacing: -.04em; line-height: .98; margin: 22px 0 26px; }
.hero h1 .soft { color: var(--mist); }
.hero-lead { font-size: var(--step-1); line-height: 1.5; color: var(--text-soft); max-width: 36ch; }
.hero-lead strong { color: var(--white); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-stats { display: flex; gap: clamp(20px, 4vw, 48px); margin-top: 48px; padding-top: 26px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.hero-stats b { display: block; font: 600 var(--step-2)/1 var(--font-display); color: var(--white); }
.hero-stats span { font: 500 12px/1.4 var(--font-mono); color: var(--text-muted); text-transform: uppercase; letter-spacing: .08em; }

/* Terminal */
.terminal {
  position: relative; border-radius: var(--radius-lg); background: rgba(13, 27, 42, .78);
  border: 1px solid var(--line-strong); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .7), inset 0 1px 0 rgba(255, 255, 255, .04);
  backdrop-filter: blur(10px); overflow: hidden; transform: perspective(1200px) rotateY(-6deg) rotateX(3deg);
  transition: transform .8s var(--ease-out);
}
.terminal:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.terminal::before { content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: linear-gradient(140deg, rgba(167, 183, 204, .5), transparent 40%, transparent 60%, rgba(65, 90, 119, .6)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.terminal-bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--line); font: 500 12px/1 var(--font-mono); color: var(--text-muted); }
.terminal-bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--steel); }
.terminal-bar i:nth-child(2) { background: var(--mist); }
.terminal-bar i:nth-child(3) { background: var(--bone); }
.terminal-bar span { margin-left: auto; }
.terminal pre { margin: 0; padding: 22px 22px 26px; min-height: 360px; font: 400 13.5px/1.75 var(--font-mono); color: var(--bone); white-space: pre-wrap; word-break: break-word; }
.t-key { color: var(--mist-light); }
.t-str { color: var(--white); }
.t-com { color: var(--mist); }
.t-prompt { color: var(--ok); }

/* Marquesina ---------------------------------------------------------------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 20px 0; background: rgba(9, 20, 32, .5); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { display: inline-flex; align-items: center; gap: 48px; font: 500 var(--step-1)/1 var(--font-display); color: var(--text-muted); white-space: nowrap; }
.marquee-track span::after { content: '✦'; font-size: .6em; color: var(--steel); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Proyectos destacados (bento) --------------------------------------------- */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.card {
  --mx: 50%; --my: 50%;
  position: relative; display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); isolation: isolate;
  transition: border-color .3s, transform .5s var(--ease-out);
}
.card::after { content: ''; position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: 0; transition: opacity .3s; background: radial-gradient(420px circle at var(--mx) var(--my), rgba(167, 183, 204, .12), transparent 45%); }
.card:hover { border-color: var(--line-strong); }
.card:hover::after { opacity: 1; }
.card-media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--bg-deep); }
.card-media img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform 1.1s var(--ease-out), filter .6s; filter: saturate(.92); }
.card:hover .card-media img { transform: scale(1.045); filter: saturate(1.05); }
.card-body { padding: 22px 24px 24px; display: grid; gap: 12px; flex: 1; align-content: start; }
.card-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; font: 500 12px/1 var(--font-mono); color: var(--text-muted); }
.card h3 { font-size: var(--step-2); }
.card p { color: var(--text-muted); font-size: 15px; line-height: 1.55; }
.card-arrow { position: absolute; top: 16px; right: 16px; z-index: 3; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--white); color: var(--bg); transform: scale(.6) rotate(-45deg); opacity: 0; transition: transform .45s var(--ease-out), opacity .3s; }
.card-arrow svg { width: 18px; height: 18px; }
.card:hover .card-arrow, .card:focus-visible .card-arrow { transform: scale(1) rotate(-45deg); opacity: 1; }
.card--xl { grid-column: span 7; }
.card--l { grid-column: span 5; }
.card--m { grid-column: span 4; }
.card--full { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
.card--full .card-media { aspect-ratio: 16 / 10; }
.card--full .card-body { align-content: center; padding: 32px 36px; }
.card--full h3 { font-size: var(--step-3); }
.card--xl .card-media { aspect-ratio: 16 / 11; }
.card--tall .card-media { aspect-ratio: 4 / 5; }
.cover-type { position: absolute; inset: 0; display: grid; align-content: space-between; padding: 26px; background: radial-gradient(circle at 80% 10%, rgba(119, 141, 169, .35), transparent 50%), linear-gradient(160deg, var(--surface-2), var(--bg-deep)); }
.cover-type b { font: 600 clamp(2.6rem, 6vw, 4.6rem)/.9 var(--font-display); color: var(--white); letter-spacing: -.04em; }
.cover-type small { font: 500 12px/1.6 var(--font-mono); color: var(--mist-light); text-transform: uppercase; letter-spacing: .1em; }
@media (max-width: 960px) { .card--xl, .card--l, .card--m { grid-column: span 6; } .card--full { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .bento { gap: 14px; } .card--xl, .card--l, .card--m { grid-column: 1 / -1; } }

/* Índice de proyectos ------------------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line-strong);
  font: 500 13px/1 var(--font-mono); color: var(--text-muted); transition: all .25s var(--ease-out);
}
.chip:hover { color: var(--white); border-color: var(--mist); }
.chip[aria-pressed="true"] { background: var(--white); color: var(--bg); border-color: var(--white); }
.chip sup { font-size: 10px; margin-left: 4px; opacity: .7; }
.index { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.index li { border-bottom: 1px solid var(--line); }
.index li[hidden] { display: none; }
.index a {
  position: relative; display: grid; grid-template-columns: 56px minmax(0, 1fr) minmax(0, .9fr) 80px 28px; gap: 20px; align-items: center;
  padding: 26px 8px; transition: padding .4s var(--ease-out), background .3s;
}
.index a::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(65, 90, 119, .28), transparent); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease-out); }
.index a:hover::before, .index a:focus-visible::before { transform: scaleX(1); }
.index a:hover { padding-left: 20px; }
.index .n { font: 500 13px/1 var(--font-mono); color: var(--mist); }
.index .t { font: 600 var(--step-2)/1.05 var(--font-display); color: var(--white); letter-spacing: -.02em; }
.index .d { font: 500 13px/1.5 var(--font-mono); color: var(--text-muted); }
.index .y { font: 500 13px/1 var(--font-mono); color: var(--text-muted); text-align: right; }
.index svg { width: 22px; height: 22px; color: var(--mist); transition: transform .4s var(--ease-out), color .3s; }
.index a:hover svg { transform: translateX(4px) rotate(-45deg); color: var(--white); }
@media (max-width: 760px) {
  .index a { grid-template-columns: 36px minmax(0, 1fr) 24px; gap: 4px 12px; padding: 20px 4px; }
  .index .d { grid-column: 2; grid-row: 2; }
  .index .y { display: none; }
  .index svg { grid-column: 3; grid-row: 1 / 3; }
}
.preview {
  position: fixed; left: 0; top: 0; z-index: 40; width: 340px; aspect-ratio: 16 / 10; border-radius: var(--radius);
  overflow: hidden; pointer-events: none; opacity: 0; scale: .85; transition: opacity .25s, scale .35s var(--ease-out);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .8); border: 1px solid var(--line-strong); background: var(--surface);
}
.preview.is-on { opacity: 1; scale: 1; }
.preview img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
@media (hover: none), (max-width: 900px) { .preview { display: none; } }

/* Laboratorio de stickers -------------------------------------------------- */
.lab { position: relative; height: clamp(460px, 62vw, 640px); border-radius: var(--radius-lg); border: 1px dashed var(--line-strong); overflow: hidden; background: radial-gradient(circle at 50% 50%, rgba(65, 90, 119, .25), transparent 70%); touch-action: pan-y; }
.lab-hint { position: absolute; left: 50%; top: 50%; translate: -50% -50%; text-align: center; pointer-events: none; }
.lab-hint b { display: block; font: 600 var(--step-4)/.95 var(--font-display); color: rgba(255, 255, 255, .08); letter-spacing: -.04em; }
.lab-hint span { font: 500 12px/1 var(--font-mono); color: var(--text-muted); text-transform: uppercase; letter-spacing: .14em; }
.sticker {
  position: absolute; width: clamp(78px, 11vw, 132px); cursor: grab; user-select: none; touch-action: none;
  filter: drop-shadow(0 10px 14px rgba(0, 0, 0, .45)); transition: filter .25s, scale .25s var(--ease-out);
  will-change: transform;
}
.sticker img { width: 100%; pointer-events: none; -webkit-user-drag: none; }
.sticker:hover { scale: 1.06; }
.sticker.is-drag { cursor: grabbing; scale: 1.12; filter: drop-shadow(0 22px 26px rgba(0, 0, 0, .55)); z-index: 10; }

/* Proceso (git log) --------------------------------------------------------- */
.log { position: relative; display: grid; gap: 0; max-width: 900px; }
.log::before { content: ''; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.log-fill { position: absolute; left: 11px; top: 8px; width: 2px; height: calc(var(--p, 0) * (100% - 16px)); background: linear-gradient(var(--bone), var(--mist)); box-shadow: 0 0 12px var(--glow); }
.log-item { position: relative; display: grid; grid-template-columns: 24px 1fr; gap: 26px; padding-bottom: 46px; }
.log-item:last-child { padding-bottom: 0; }
.log-dot { position: relative; z-index: 1; width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--steel); background: var(--bg); transition: border-color .4s, background .4s, box-shadow .4s; }
.log-item.is-in .log-dot { border-color: var(--bone); background: var(--surface-2); box-shadow: 0 0 0 6px rgba(119, 141, 169, .15); }
.log-meta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; font: 500 12px/1 var(--font-mono); color: var(--mist); margin-bottom: 10px; }
.log-meta .hash { color: var(--mist-light); }
.log-item h3 { font-size: var(--step-2); margin-bottom: 10px; }
.log-item p { color: var(--text-muted); max-width: 60ch; }

/* Sobre mí ------------------------------------------------------------------ */
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 96px); }
.about-text { display: grid; gap: 20px; font-size: var(--step-1); line-height: 1.55; }
.about-text p:first-child { font: 500 var(--step-2)/1.25 var(--font-display); color: var(--white); letter-spacing: -.015em; }
.skills { display: grid; gap: 14px; align-content: start; }
.skill { padding: 22px 24px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(27, 38, 59, .55); }
.skill h3 { font-size: var(--step-1); display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 8px; }
.skill h3 span { font: 500 12px/1 var(--font-mono); color: var(--mist); }
.skill p { color: var(--text-muted); font-size: 15px; }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; } }

/* Contacto ------------------------------------------------------------------ */
.contact { text-align: center; padding-block: clamp(100px, 16vw, 200px); position: relative; overflow: hidden; }
.contact h2 { font-size: var(--step-5); letter-spacing: -.045em; line-height: .92; margin: 22px auto 30px; max-width: 12ch; }
.contact p { color: var(--text-muted); font-size: var(--step-1); max-width: 46ch; margin: 0 auto 36px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.copy-mail { position: relative; }
.copy-mail .toast { position: absolute; left: 50%; bottom: calc(100% + 10px); translate: -50% 6px; background: var(--white); color: var(--bg); font: 600 12px/1 var(--font-mono); padding: 8px 10px; border-radius: 8px; opacity: 0; transition: opacity .2s, translate .3s var(--ease-out); pointer-events: none; white-space: nowrap; }
.copy-mail.is-copied .toast { opacity: 1; translate: -50% 0; }

/* Pie ----------------------------------------------------------------------- */
.footer { border-top: 1px solid var(--line); padding: 32px 0 40px; }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font: 500 13px/1.6 var(--font-mono); color: var(--text-muted); }
.footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.footer a:hover { color: var(--white); }

/* Página de proyecto -------------------------------------------------------- */
.progress { position: fixed; inset: 0 0 auto; height: 2px; z-index: 60; transform-origin: left; transform: scaleX(var(--p, 0)); background: linear-gradient(90deg, var(--mist), var(--white)); }
.p-hero { padding-top: calc(var(--header-h) + clamp(40px, 7vw, 90px)); }
.crumbs { display: flex; gap: 8px; align-items: center; font: 500 13px/1 var(--font-mono); color: var(--text-muted); margin-bottom: 30px; flex-wrap: wrap; }
.crumbs a { padding: 6px 0; }
.crumbs a:hover { color: var(--white); }
.p-hero h1 { font-size: var(--step-5); letter-spacing: -.045em; line-height: .93; margin: 20px 0 22px; max-width: 14ch; }
.p-sub { font-size: var(--step-2); line-height: 1.3; font-family: var(--font-display); color: var(--text-muted); max-width: 30ch; letter-spacing: -.01em; }
.p-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; margin-top: clamp(36px, 6vw, 64px); background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.meta div { background: var(--bg); padding: 18px 20px; }
.meta dt { font: 500 11px/1 var(--font-mono); color: var(--mist); text-transform: uppercase; letter-spacing: .12em; margin-bottom: 10px; }
.meta dd { margin: 0; color: var(--white); font-size: 15px; line-height: 1.45; }
.p-cover { margin-top: clamp(40px, 6vw, 72px); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); background: var(--surface); aspect-ratio: 16 / 10; position: relative; }
.p-cover img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.p-cover.is-in img { animation: cover-in 1.4s var(--ease-out) both; }
@keyframes cover-in { from { scale: 1.12; clip-path: inset(18% 8% 18% 8% round 22px); } to { scale: 1; clip-path: inset(0 round 0); } }
.p-cta { margin-top: 28px; }

.p-layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); padding-block: clamp(70px, 10vw, 130px); }
.toc { position: sticky; top: calc(var(--header-h) + 30px); align-self: start; display: grid; gap: 4px; }
.toc a { position: relative; padding: 8px 0 8px 18px; font: 500 13px/1.3 var(--font-mono); color: var(--text-muted); transition: color .25s; }
.toc a::before { content: ''; position: absolute; left: 0; top: 50%; width: 8px; height: 1px; background: var(--steel); transition: width .3s var(--ease-out), background .3s; }
.toc a:hover, .toc a.is-active { color: var(--white); }
.toc a.is-active::before { width: 12px; background: var(--white); }
@media (max-width: 960px) { .p-layout { grid-template-columns: 1fr; } .toc { display: none; } }

.chapter { padding-bottom: clamp(70px, 10vw, 120px); }
.chapter:last-child { padding-bottom: 0; }
.chapter-label { display: flex; align-items: center; gap: 12px; font: 500 12px/1 var(--font-mono); color: var(--mist); text-transform: uppercase; letter-spacing: .14em; margin-bottom: 22px; }
.chapter-label b { color: var(--white); font-weight: 500; }
.chapter > h2 { font-size: var(--step-3); margin-bottom: 26px; max-width: 20ch; }
.lead-quote { font: 500 clamp(1.35rem, 1.1rem + 1vw, 1.9rem)/1.38 var(--font-display); color: var(--white); letter-spacing: -.015em; max-width: 34ch; }
.prose { display: grid; gap: 18px; font-size: var(--step-1); line-height: 1.6; color: var(--text-soft); max-width: 62ch; }

.roadmap { position: relative; display: grid; gap: 14px; counter-reset: rm; }
.roadmap::before { content: ''; position: absolute; left: 23px; top: 24px; bottom: 24px; width: 2px; background: var(--line); }
.roadmap .log-fill { left: 23px; top: 24px; height: calc(var(--p, 0) * (100% - 48px)); }
.rm-step { position: relative; display: grid; grid-template-columns: 48px 1fr; gap: 22px; }
.rm-node { position: relative; z-index: 1; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--bg); border: 1px solid var(--line-strong); font: 600 13px/1 var(--font-mono); color: var(--mist); transition: all .5s var(--ease-out); }
.rm-step.is-in .rm-node { background: var(--white); color: var(--bg); border-color: var(--white); box-shadow: 0 0 0 7px rgba(119, 141, 169, .16); }
.rm-card { padding: 20px 24px 22px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(27, 38, 59, .5); transition: border-color .3s, background .3s; }
.rm-card:hover { border-color: var(--line-strong); background: rgba(27, 38, 59, .85); }
.rm-card .fase { font: 500 12px/1 var(--font-mono); color: var(--mist-light); text-transform: uppercase; letter-spacing: .12em; }
.rm-card h3 { font-size: var(--step-1); margin: 10px 0 8px; }
.rm-card p { color: var(--text-muted); font-size: 15.5px; }

.decisions { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.decision { padding: 24px; border-radius: var(--radius); background: linear-gradient(160deg, var(--surface), rgba(27, 38, 59, .4)); border: 1px solid var(--line); }
.decision span { font: 500 12px/1 var(--font-mono); color: var(--mist); }
.decision h3 { font-size: var(--step-1); margin: 14px 0 10px; }
.decision p { color: var(--text-muted); font-size: 15.5px; }

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.metric { background: var(--bg); padding: 26px 22px; }
.metric b { display: block; font: 600 var(--step-3)/1 var(--font-display); color: var(--white); letter-spacing: -.03em; }
.metric span { display: block; margin-top: 10px; font: 500 12px/1.45 var(--font-mono); color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }

/* Galería */
.gallery { display: grid; gap: clamp(28px, 5vw, 56px); }
.figure { margin: 0; }
.figure figcaption { margin-top: 14px; font: 500 13px/1.55 var(--font-mono); color: var(--text-muted); display: flex; gap: 10px; }
.figure figcaption::before { content: '↳'; color: var(--mist); }
.frame { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.frame img { width: 100%; }
.frame--browser { padding-top: 34px; }
.frame--browser::before { content: ''; position: absolute; inset: 0 0 auto; height: 34px; border-bottom: 1px solid var(--line); background: var(--bg-deep) radial-gradient(circle at 18px 17px, var(--steel) 4.5px, transparent 5.5px) , radial-gradient(circle at 36px 17px, var(--mist) 4.5px, transparent 5.5px), radial-gradient(circle at 54px 17px, var(--bone) 4.5px, transparent 5.5px); background-color: var(--bg-deep); }
.zoomable { cursor: zoom-in; }
.scrollshot { height: min(78vh, 760px); overflow: hidden; }
.scrollshot img { transition: transform var(--dur, 8s) var(--ease-in-out); }
.scrollshot:hover img, .scrollshot:focus-visible img { transform: translateY(calc(-100% + min(78vh, 760px) - 34px)); }
.scroll-hint { position: absolute; right: 14px; bottom: 14px; z-index: 2; font: 500 11px/1 var(--font-mono); background: rgba(9, 20, 32, .85); border: 1px solid var(--line-strong); padding: 8px 10px; border-radius: 999px; color: var(--bone); pointer-events: none; transition: opacity .3s; }
.scrollshot:hover .scroll-hint { opacity: 0; }
.grid-figs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 14px; align-items: start; }
.grid-figs .frame img { width: 100%; }
.phones { display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(18px, 4vw, 40px); }
.phone { width: min(250px, 72vw); border-radius: 38px; padding: 10px; background: linear-gradient(160deg, #2a3a55, #0f1c2c); border: 1px solid var(--line-strong); box-shadow: 0 40px 70px -30px rgba(0, 0, 0, .8); }
.phone-screen { position: relative; border-radius: 30px; overflow: hidden; aspect-ratio: 9 / 19.5; background: var(--bg-deep); }
.phone-screen img { width: 100%; }
.phone-screen > img:only-child { height: 100%; object-fit: cover; object-position: top; }
.phone-screen.scrollshot { height: auto; }
.phone-screen.scrollshot:hover img { transform: translateY(calc(-100% + var(--h, 600px))); }
.phone-screen video { width: 100%; height: 100%; object-fit: cover; }
.phone-cap { text-align: center; margin-top: 14px; font: 500 12px/1 var(--font-mono); color: var(--text-muted); }
.video-play { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(9, 20, 32, .25); transition: opacity .3s; }
.video-play span { width: 68px; height: 68px; border-radius: 50%; background: var(--white); color: var(--bg); display: grid; place-items: center; transition: transform .3s var(--ease-out); }
.video-play:hover span { transform: scale(1.08); }
.video-play svg { width: 24px; height: 24px; margin-left: 3px; }
.is-playing .video-play { opacity: 0; pointer-events: none; }

.copy-wall { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 14px; }
.copy-piece { padding: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(27, 38, 59, .5); display: grid; gap: 14px; align-content: start; }
.copy-piece span { font: 500 12px/1 var(--font-mono); color: var(--mist); text-transform: uppercase; letter-spacing: .1em; }
.copy-piece p { font: 500 var(--step-1)/1.4 var(--font-display); color: var(--white); letter-spacing: -.01em; }

.insights { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.insight { padding: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(27, 38, 59, .5); }
.insight blockquote { margin: 0; font: 500 var(--step-1)/1.45 var(--font-display); color: var(--white); }
.insight cite { display: block; margin-top: 14px; font: 500 12px/1 var(--font-mono); color: var(--mist); font-style: normal; }
.bar { margin-top: 18px; height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; width: var(--w); background: linear-gradient(90deg, var(--steel), var(--bone)); transform-origin: left; transform: scaleX(0); transition: transform 1.4s var(--ease-out) .2s; }
.is-in .bar i { transform: scaleX(1); }

.sticker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 10px; padding: 24px; border-radius: var(--radius-lg); border: 1px dashed var(--line-strong); background: radial-gradient(circle at 50% 30%, rgba(65, 90, 119, .2), transparent 70%); }
.sticker-grid img { width: 100%; aspect-ratio: 1; object-fit: contain; transition: transform .4s var(--ease-out); filter: drop-shadow(0 6px 8px rgba(0, 0, 0, .4)); }
.sticker-grid img:hover { transform: scale(1.15) rotate(-6deg); }

.photos { columns: 3 260px; column-gap: 14px; }
.photos button { display: block; width: 100%; margin-bottom: 14px; border-radius: var(--radius); overflow: hidden; break-inside: avoid; }
.photos img { width: 100%; transition: transform .8s var(--ease-out), filter .5s; filter: grayscale(.25); }
.photos button:hover img { transform: scale(1.04); filter: grayscale(0); }

.learning { padding: clamp(28px, 5vw, 48px); border-radius: var(--radius-lg); background: linear-gradient(135deg, var(--surface-2), var(--bg-deep)); border: 1px solid var(--line-strong); }
.learning p { font: 500 var(--step-2)/1.3 var(--font-display); color: var(--white); letter-spacing: -.015em; max-width: 36ch; }

.next { display: block; border-top: 1px solid var(--line); padding-block: clamp(60px, 10vw, 120px); position: relative; overflow: hidden; }
.next .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 40px; align-items: center; }
.next h2 { font-size: var(--step-4); letter-spacing: -.04em; transition: color .3s; }
.next:hover h2 { color: var(--bone); }
.next-media { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 16 / 10; border: 1px solid var(--line); background: var(--surface); position: relative; }
.next-media img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform 1s var(--ease-out); }
.next:hover .next-media img { transform: scale(1.05); }
@media (max-width: 760px) { .next .wrap { grid-template-columns: 1fr; } }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 80; background: rgba(6, 14, 22, .94); display: none; overflow: auto; cursor: zoom-out; }
.lightbox.is-open { display: block; animation: fade .3s; }
.lightbox img { max-width: none; width: min(2400px, 220vw); margin: 40px auto; }
.lightbox img.fit { width: auto; max-width: 92vw; max-height: 88vh; margin: 6vh auto; }
.lightbox-close { position: fixed; top: 16px; right: 16px; z-index: 2; width: 48px; height: 48px; border-radius: 50%; background: var(--white); color: var(--bg); display: grid; place-items: center; }
.lightbox-close svg { width: 20px; height: 20px; }
@keyframes fade { from { opacity: 0; } }

/* Animaciones de entrada --------------------------------------------------- */
.reveal { opacity: 0; translate: 0 28px; transition: opacity .9s var(--ease-out), translate .9s var(--ease-out); transition-delay: var(--d, 0s); }
.reveal.is-in { opacity: 1; translate: 0 0; }
.split .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.split .w > span { display: inline-block; transform: translateY(105%); transition: transform 1s var(--ease-out); transition-delay: calc(var(--i) * 45ms + var(--d, 0s)); }
.split.is-in .w > span { transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; translate: none; }
  .split .w > span { transform: none; }
  .marquee-track { animation: none; }
  .terminal { transform: none; }
  @view-transition { navigation: none; }
}

@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .terminal { transform: none; }
  .terminal pre { min-height: 0; font-size: 12.5px; }
}

/* En pantallas táctiles las capturas largas se recorren con el dedo */
@media (hover: none) {
  .scrollshot { overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
  .scrollshot:hover img, .scrollshot:focus-visible img, .phone-screen.scrollshot:hover img { transform: none; }
  .scroll-hint { display: none; }
}