/* ============================================================
   STYLES · componentes + secciones
   ============================================================ */

/* ---------- Botones ---------- */
.btn {
  --_bg: var(--ink);
  --_fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .95rem 1.6rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--step-0);
  letter-spacing: -.01em;
  color: var(--_fg);
  background: var(--_bg);
  border-radius: 999px;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .btn-ic { transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover .btn-ic { transform: translateX(3px); }

.btn-primary {
  --_fg: #fff;
  background: var(--grad-brand);
  background-size: 160% 160%;
  box-shadow: var(--shadow-glow);
  animation: gradShift 8s ease infinite;
}
.btn-primary:hover { box-shadow: 0 26px 70px -18px rgba(79,57,214,.6); }
@keyframes gradShift {
  0%,100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.btn-ghost {
  --_bg: transparent;
  --_fg: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--ink); background: var(--ink); color: #fff; }

.btn-on-ink {
  --_bg: rgba(255,255,255,.08);
  --_fg: #fff;
  border-color: var(--line-ink);
  backdrop-filter: blur(6px);
}
.btn-on-ink:hover { background: #fff; color: var(--ink); }

.link-underline {
  position: relative;
  color: var(--ink);
  font-weight: 500;
  padding-bottom: 2px;
}
.link-underline::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1.5px; background: var(--grad-brand);
  transform: scaleX(0); transform-origin: right;
  transition: transform var(--dur) var(--ease-out);
}
.link-underline:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex; align-items: center;
  transition: transform var(--dur) var(--ease-out), background var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out), backdrop-filter var(--dur) var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(251,251,253,.72);
  backdrop-filter: saturate(180%) blur(16px);
  box-shadow: 0 1px 0 var(--line);
}
.nav.is-hidden { transform: translateY(-100%); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: inline-flex; align-items: center; transition: background var(--dur) var(--ease-out), padding var(--dur) var(--ease-out); border-radius: 11px; }
.brand-logo-img { height: 40px; width: auto; display: block; }
/* Chip claro detrás del logo cuando la nav está sobre el hero oscuro (para que la J navy se lea) */
.nav--on-hero:not(.is-scrolled) .brand { background: rgba(255,255,255,.94); padding: 5px 10px; box-shadow: 0 2px 12px rgba(0,0,0,.15); }

.nav-links { display: flex; align-items: center; gap: .35rem; }
.nav-links a {
  padding: .5rem .85rem; border-radius: 999px;
  font-size: .95rem; color: var(--ink-body); font-weight: 450;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.nav-links a:hover { color: var(--ink); background: var(--bg-sunken); }

.nav-right { display: flex; align-items: center; gap: .75rem; }
.lang-toggle {
  display: inline-flex; align-items: center;
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 3px; font-family: var(--font-display); font-size: .78rem;
}
.lang-toggle button {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .28rem .6rem; border-radius: 999px; color: var(--ink-muted); font-weight: 500;
  transition: color var(--dur-fast), background var(--dur-fast);
}
.lang-toggle .flag { font-size: .85rem; line-height: 1; }
.lang-toggle button.is-active { color: #fff; background: var(--ink); }

.nav-cta { display: inline-flex; padding: .5rem 1.15rem; font-size: .92rem; }

.burger { display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line-strong); }
.burger span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3px auto; border-radius: 2px; transition: transform .3s var(--ease-out), opacity .3s; }
.burger.is-open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--bg);
  padding: calc(var(--nav-h) + 2rem) clamp(1.15rem,5vw,2.5rem) 2rem;
  display: flex; flex-direction: column; gap: .25rem;
  transform: translateY(-100%);
  opacity: 0; pointer-events: none;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur);
}
.mobile-menu.is-open { transform: none; opacity: 1; pointer-events: auto; }
.mobile-menu a { font-family: var(--font-display); font-size: 2rem; font-weight: 500; color: var(--ink); padding: .55rem 0; border-bottom: 1px solid var(--line); }
.mobile-menu a:last-of-type { border: 0; }

/* ---------- Hero (foto full-bleed + nombre grande abajo) ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; overflow: clip; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; z-index: 0; }
.hero-scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(to top, rgba(8,10,18,.93) 0%, rgba(8,10,18,.5) 36%, rgba(8,10,18,.12) 66%, rgba(8,10,18,.10) 100%),
    linear-gradient(to bottom, rgba(8,10,18,.45) 0%, transparent 18%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding-top: calc(var(--nav-h) + 2rem); padding-bottom: clamp(3rem, 6vw, 5.5rem); text-align: center; }
.hero-name {
  color: #fff; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 12vw, 10rem); line-height: .92;
  letter-spacing: -.045em; margin: 0;
  white-space: nowrap;
  text-shadow: 0 2px 50px rgba(0,0,0,.45);
}
.hero-role {
  display: inline-block; margin-top: 2rem;
  color: rgba(255,255,255,.92); font-family: var(--font-display);
  font-size: clamp(.85rem, .7rem + .5vw, 1.2rem); font-weight: 500;
  letter-spacing: .05em; text-transform: uppercase;
  text-shadow: 0 1px 20px rgba(0,0,0,.5);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero-scroll {
  position: absolute; right: 0; bottom: clamp(2.5rem,6vw,4.5rem); z-index: 2;
  display: inline-flex; align-items: center; gap: .5rem;
  color: rgba(255,255,255,.7); font-family: var(--font-display);
  font-size: .75rem; letter-spacing: .14em; text-transform: uppercase;
}
.hero-scroll .line { width: 46px; height: 1px; background: rgba(255,255,255,.4); position: relative; overflow: hidden; }
.hero-scroll .line::after { content:""; position:absolute; inset:0; width: 40%; background: #fff; animation: cueMove 2.2s var(--ease-in-out) infinite; }
@keyframes cueMove { 0% { transform: translateX(-100%); } 100% { transform: translateX(320%); } }

/* Nav sobre el hero oscuro (home) */
.nav--on-hero:not(.is-scrolled) .brand-logo { color: #fff; }
.nav--on-hero:not(.is-scrolled) .nav-links a { color: rgba(255,255,255,.85); }
.nav--on-hero:not(.is-scrolled) .nav-links a:hover { color: #fff; background: rgba(255,255,255,.14); }
.nav--on-hero:not(.is-scrolled) .lang-toggle { border-color: rgba(255,255,255,.3); }
.nav--on-hero:not(.is-scrolled) .lang-toggle button { color: rgba(255,255,255,.75); }
.nav--on-hero:not(.is-scrolled) .lang-toggle button.is-active { color: var(--ink); background: #fff; }
.nav--on-hero:not(.is-scrolled) .burger { border-color: rgba(255,255,255,.35); }
.nav--on-hero:not(.is-scrolled) .burger span { background: #fff; }
/* Con el menú abierto, la X va oscura para leerse sobre el panel claro */
.nav--on-hero:not(.is-scrolled) .burger.is-open span { background: var(--ink); }

/* ---------- Marquee de stats ---------- */
.stats-strip { border-block: 1px solid var(--line); background: var(--bg-elevated); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-grid--3 { grid-template-columns: repeat(3, 1fr); }
.stat { padding: clamp(1.5rem,4vw,2.4rem) 1.5rem; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat .num { font-family: var(--font-display); font-size: var(--step-3); font-weight: 600; color: var(--ink); letter-spacing: -.03em; line-height: 1; }
.stat .num .plus { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .label { margin-top: .5rem; font-size: .88rem; color: var(--ink-muted); }

/* ---------- Sección header ---------- */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem 3rem; flex-wrap: wrap; margin-bottom: clamp(2rem,5vw,3.5rem); }
.sec-head > div { flex: 1 1 520px; }
.sec-head h2 { max-width: 30ch; }
.sec-head p { max-width: 42ch; color: var(--ink-muted); }

/* ---------- Proyectos (una caja por caso, imagen sin recortar) ---------- */
.btn-sm { padding: .72rem 1.3rem; font-size: .95rem; }
.projects { display: flex; flex-direction: column; gap: clamp(1.5rem, 3.5vw, 2.5rem); }
.project {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(1.5rem,4vw,3rem);
  align-items: center;
  background: var(--bg-sunken); border: 1px solid var(--line);
  border-radius: var(--radius-xl); padding: clamp(1.4rem, 3vw, 2.8rem);
  transition: box-shadow var(--dur) var(--ease-out), border-color var(--dur);
}
.project:hover { box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.project-brand { font-family: var(--font-display); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-muted); }
.project h3 { margin: .7rem 0 0; max-width: 24ch; }
.project p { margin-top: 1rem; max-width: 48ch; color: var(--ink-body); font-size: .94rem; line-height: 1.6; }
.project-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.3rem; }
.ptag { font-family: var(--font-display); font-size: .74rem; font-weight: 500; padding: .34rem .75rem; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--ink-body); background: var(--bg-elevated); }
.project-metrics { display: flex; gap: 2.2rem; margin-top: 1.5rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.pmetric .pm-n { display: block; font-family: var(--font-display); font-weight: 600; font-size: 1.7rem; letter-spacing: -.02em; color: var(--ink); line-height: 1.1; }
.pmetric .pm-n.grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pmetric .pm-l { font-size: .82rem; color: var(--ink-muted); }
.project .btn { margin-top: 1.7rem; }
.project-media {
  border-radius: var(--radius); overflow: hidden;
  background: transparent; border: 0; box-shadow: none; padding: 0;
  display: flex; align-items: center; justify-content: center;
}
.project-media img { width: 100%; height: auto; object-fit: contain; transition: transform .8s var(--ease-out); }
.project:hover .project-media img { transform: scale(1.02); }

/* ---------- Teaser Proceso IA (oscuro) ---------- */
.ai-teaser { position: relative; background: var(--bg-ink); color: var(--on-ink); border-radius: var(--radius-xl); overflow: hidden; }
.ai-teaser .glow-a { position:absolute; width: 520px; height: 520px; border-radius:50%; background: radial-gradient(circle, rgba(107,75,255,.5), transparent 65%); top:-180px; left:-120px; filter: blur(40px); }
.ai-teaser .glow-b { position:absolute; width: 420px; height: 420px; border-radius:50%; background: radial-gradient(circle, rgba(33,193,255,.45), transparent 65%); bottom:-160px; right:-80px; filter: blur(40px); }
.ai-teaser .inner { position: relative; z-index:1; padding: clamp(2.5rem, 6vw, 4.5rem); display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem,5vw,4rem); align-items: center; }
.ai-teaser h2 { color: #fff; }
.ai-teaser h2 .grad-text { background: var(--grad-text); -webkit-background-clip:text; background-clip:text; color:transparent; }
.ai-teaser p { color: var(--on-ink-muted); margin-top: 1.2rem; max-width: 48ch; }
.ai-teaser .eyebrow { color: var(--on-ink-muted); }
.ai-teaser .skills-mini { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.6rem; }
.skills-mini .chip { background: rgba(255,255,255,.06); border-color: var(--line-ink); color: var(--on-ink); font-family: var(--font-sans); }
.ai-teaser .cta-wrap { margin-top: 2rem; }
.ai-teaser .stat-col { display: grid; gap: 1rem; }
.ai-stat { border: 1px solid var(--line-ink); border-radius: var(--radius); padding: 1.2rem 1.4rem; background: rgba(255,255,255,.03); }
.ai-stat .n { font-family: var(--font-display); font-size: 1.9rem; font-weight: 600; color: #fff; letter-spacing: -.02em; }
.ai-stat .n.grad { background: var(--grad-text); -webkit-background-clip:text; background-clip:text; color:transparent; }
.ai-stat .l { font-size: .82rem; color: var(--on-ink-muted); margin-top: .2rem; }

/* ---------- Galería UI ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.gallery-card { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); background: var(--bg-sunken); aspect-ratio: 4/3; }
.gallery-card img { width:100%; height:100%; object-fit: cover; transition: transform .9s var(--ease-out); }
.gallery-card:hover img { transform: scale(1.05); }
.gallery-card .ov { position:absolute; inset:0; display:flex; align-items:flex-end; padding:1rem; background: linear-gradient(to top, rgba(13,18,32,.7), transparent 55%); opacity:0; transition: opacity var(--dur); }
.gallery-card:hover .ov { opacity:1; }
.gallery-card .ov span { color:#fff; font-family: var(--font-display); font-weight:500; font-size:.95rem; }

/* ---------- Sobre mí ---------- */
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem,5vw,4rem); align-items: start; }
.about-grid--noimg { display: block; }
.about-grid--noimg .about-copy p { max-width: 70ch; }
.about-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; border:1px solid var(--line); box-shadow: var(--shadow-md); aspect-ratio: 3/4; background: var(--bg-sunken); }
.about-media img { width:100%; height:100%; object-fit: cover; }
.about-copy h2 { margin-bottom: 1.4rem; max-width: 22ch; }
.about-copy p + p { margin-top: 1rem; }
.about-list { display: grid; gap: .9rem; margin-top: 1.8rem; }
.about-list li { display:flex; gap:.8rem; align-items:flex-start; }
.about-list .ic { flex: none; width: 28px; height:28px; border-radius:8px; background: var(--grad-brand-soft); display:grid; place-items:center; color: var(--accent-strong); font-weight:700; font-family: var(--font-display); font-size:.85rem; }
.about-list b { color: var(--ink); }

/* ---------- Contacto / Footer ---------- */
.contact { background: var(--bg-ink); color: var(--on-ink); }
.contact .glow { position:absolute; width:600px; height:600px; border-radius:50%; background: radial-gradient(circle, rgba(67,97,255,.4), transparent 65%); top:-260px; left:50%; transform:translateX(-50%); filter: blur(50px); pointer-events:none; }
.contact-inner { position: relative; z-index:1; }
.contact h2 { color:#fff; max-width: 36ch; }
.contact h2 .grad-text { background: var(--grad-text); -webkit-background-clip:text; background-clip:text; color:transparent; }
.contact .eyebrow { color: var(--on-ink-muted); }
.contact-lead { color: var(--on-ink-muted); margin-top: 1.2rem; max-width: 80ch; }

.contact-methods { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; margin-top: 2.5rem; }
.cmethod { display:flex; align-items:center; gap:1rem; padding:1.2rem 1.3rem; border:1px solid var(--line-ink); border-radius: var(--radius); background: rgba(255,255,255,.03); transition: border-color var(--dur), background var(--dur), transform var(--dur-fast); }
.cmethod:hover { border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.06); transform: translateY(-2px); }
.cmethod .ic { flex:none; width:44px; height:44px; border-radius:12px; background: var(--grad-brand); display:grid; place-items:center; }
.cmethod .ic svg { width:20px; height:20px; stroke:#fff; }
.cmethod > span:last-child { display: flex; flex-direction: column; }
.cmethod .k { display:block; font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color: var(--on-ink-muted); }
.cmethod .v { display:block; color:#fff; font-family: var(--font-display); font-weight:500; font-size:1.02rem; margin-top:.2rem; word-break: break-word; }

.footer-bottom { position: relative; z-index:1; margin-top: clamp(3rem,7vw,5rem); padding-top: 2rem; border-top: 1px solid var(--line-ink); display:flex; align-items:center; justify-content:space-between; gap:1.5rem; flex-wrap:wrap; }
.footer-bottom--center { justify-content: center; text-align: center; }
.socials { display:flex; gap:.6rem; }
.socials a { width:42px; height:42px; border-radius:12px; border:1px solid var(--line-ink); display:grid; place-items:center; transition: background var(--dur), border-color var(--dur), transform var(--dur-fast); }
.socials a:hover { background:#fff; border-color:#fff; transform: translateY(-2px); }
.socials a svg { width:18px; height:18px; fill: var(--on-ink); transition: fill var(--dur); }
.socials a:hover svg { fill: var(--ink); }
.copyright { font-size:.84rem; color: var(--on-ink-muted); }
.copyright b { color:#fff; font-weight:500; }

/* ---------- Cursor glow (desktop) ---------- */
.cursor-glow {
  position: fixed; top:0; left:0; z-index: 200; pointer-events:none;
  width: 380px; height:380px; border-radius:50%; margin:-190px 0 0 -190px;
  background: radial-gradient(circle, rgba(107,75,255,.10), transparent 62%);
  opacity:0; transition: opacity .4s; mix-blend-mode: multiply;
}
@media (hover:hover) and (pointer:fine) { .cursor-glow { opacity:1; } }
@media (prefers-reduced-motion: reduce) { .cursor-glow { display:none; } }

/* ============================================================
   CASE STUDY (páginas internas)
   ============================================================ */
.case-hero { padding-top: calc(var(--nav-h) + clamp(2rem,6vw,4rem)); padding-bottom: clamp(1.5rem,4vw,2.5rem); position: relative; overflow: clip; }
.case-hero .hero-orb.a { width: 380px; height:380px; top:-140px; right:-40px; }
.back-link { display:inline-flex; align-items:center; gap:.5rem; font-family: var(--font-display); font-size:.9rem; font-weight:500; color: var(--ink-muted); transition: color var(--dur-fast), gap var(--dur-fast); }
.back-link:hover { color: var(--ink); gap:.75rem; }
.case-meta { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1.4rem; }
.case-tag { font-family: var(--font-display); font-size:.78rem; font-weight:500; padding:.35rem .8rem; border-radius:999px; border:1px solid var(--line); background: var(--bg-elevated); color: var(--ink-body); }
.case-hero h1 { font-size: var(--step-4); margin-top: 1rem; max-width: 20ch; }
.case-hero .lead { margin-top: 1.4rem; max-width: 60ch; }
.case-facts { display:flex; flex-wrap:wrap; gap: clamp(1.5rem,4vw,3.5rem); margin-top: 2.2rem; padding-top: 2.2rem; border-top:1px solid var(--line); }
.case-fact .k { font-size:.76rem; letter-spacing:.1em; text-transform:uppercase; color: var(--ink-muted); }
.case-fact .v { font-family: var(--font-display); font-weight:600; font-size:1.35rem; color: var(--ink); margin-top:.3rem; letter-spacing:-.02em; }
.case-fact .v.grad { background: var(--grad-text); -webkit-background-clip:text; background-clip:text; color:transparent; }

.case-gallery { display:flex; flex-direction:column; gap: clamp(1rem, 2.5vw, 1.75rem); padding-bottom: clamp(2rem,5vw,3.5rem); }
.case-shot { border-radius: var(--radius-lg); overflow:hidden; border:1px solid var(--line); box-shadow: var(--shadow-sm); background: var(--bg-sunken); }
.case-shot img { width:100%; height:auto; display:block; }

.case-next { border-top:1px solid var(--line); }
.case-next .wrap { display:flex; align-items:center; justify-content:space-between; gap:1.5rem; flex-wrap:wrap; padding-block: clamp(2.5rem,6vw,4rem); }
.case-next .n-lead { font-family: var(--font-display); font-size: var(--step-2); color: var(--ink); max-width: 18ch; }
.case-next .n-lead a { color: var(--ink); }
.case-next .n-lead a:hover { background: var(--grad-text); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ============================================================
   ARTÍCULO · Proceso con IA
   ============================================================ */
.progress-track { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 120; background: transparent; }
.progress-track [data-progress] { height: 100%; background: var(--grad-brand); transform-origin: left; transform: scaleX(0); }

/* Orbes decorativos (usados en article-hero y case-hero) */
.hero-orb { position: absolute; z-index: 0; border-radius: 50%; filter: blur(60px); opacity: .5; pointer-events: none; }
.article-hero > .wrap, .case-hero > .wrap { position: relative; z-index: 1; }
.article-hero { padding-top: calc(var(--nav-h) + clamp(1.25rem,3vw,2rem)); padding-bottom: clamp(1rem,3vw,2rem); position: relative; overflow: clip; }
.article-hero .hero-orb.a { width: 440px; height: 440px; top: -160px; right: -60px; }
.article-hero .hero-orb.b { width: 320px; height: 320px; background: radial-gradient(circle, rgba(33,193,255,.5), transparent 68%); top: 60px; right: 260px; }
.article-hero h1 { font-size: var(--step-5); max-width: 24ch; margin-top: 1rem; }
.article-hero .lead { margin-top: 1.6rem; max-width: 58ch; }
.article-hero .meta { display: flex; gap: 1.5rem; margin-top: 1.8rem; font-size: .9rem; color: var(--ink-muted); }
.article-hero .meta b { color: var(--ink); font-weight: 500; }

.prose { max-width: none; margin-inline: 0; }
.prose > * + * { margin-top: 1.4rem; }
/* Todo el contenido del artículo usa el mismo ancho (arranca y termina igual) */
.prose p, .prose ul, .prose .callout { max-width: none; }
.prose h2 { font-size: var(--step-3); margin-top: 3.2rem; }
.prose h3 { font-size: var(--step-1); margin-top: 2.2rem; }
.prose p { font-size: 1.12rem; line-height: 1.75; color: var(--ink-body); }
.prose p.big { font-size: var(--step-1); color: var(--ink); line-height: 1.6; }
.prose strong { color: var(--ink); }
.prose a { color: var(--accent-strong); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(79,57,214,.3); }
.prose ul.ticks { display: grid; gap: .9rem; }
.prose ul.ticks li { position: relative; padding-left: 2.4rem; font-size: 1.08rem; }
.prose ul.ticks li::before { content: "\2713"; position: absolute; left: 0; top: .15rem; width: 26px; height: 26px; border-radius: 8px; background: var(--grad-brand-soft); color: var(--accent-strong); display: grid; place-items: center; font-size: .85rem; font-weight: 700; }

.callout { border-left: 3px solid transparent; border-image: var(--grad-brand) 1; padding: .4rem 0 .4rem 1.6rem; margin-block: 2rem; }
.callout p { font-family: var(--font-display); font-size: var(--step-2); font-weight: 500; color: var(--ink); line-height: 1.3; letter-spacing: -.01em; }
.callout cite { display: block; margin-top: .8rem; font-family: var(--font-sans); font-style: normal; font-size: .95rem; color: var(--ink-muted); }

.figure { margin-block: 2.4rem; }
.figure .fr { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-md); background: var(--bg-sunken); }
.figure img { width: 100%; height: auto; display: block; }
.figure figcaption { margin-top: .9rem; font-size: .9rem; color: var(--ink-muted); text-align: center; }
.figure--narrow { max-width: 320px; margin-inline: 0; }
.figure--narrow figcaption { text-align: left; }
/* Trío de imágenes (estructura del vault) — columnas proporcionales al ancho real para igualar altura */
.img-trio { max-width: none; margin-inline: 0; }
.img-trio .trio-row { display: grid; grid-template-columns: 269fr 353fr 353fr; gap: 1rem; align-items: start; }
.img-trio figcaption { text-align: left; }
@media (max-width: 600px) {
  /* En mobile mostramos solo las dos primeras, más grandes */
  .img-trio .trio-row { grid-template-columns: 269fr 353fr; gap: .5rem; }
  .img-trio .trio-row .fr:nth-child(3) { display: none; }
}
.prose code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .86em; background: var(--bg-sunken); padding: .12rem .42rem; border-radius: 5px; color: var(--accent-strong); }

/* Par de imágenes (antes / después) */
.img-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; margin-block: 2.4rem; max-width: 720px; }
.img-pair figure { margin: 0; }
.img-pair .fr { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); background: var(--bg-sunken); }
.img-pair img { width: 100%; height: auto; display: block; }
.img-pair figcaption { margin-top: .7rem; font-size: .84rem; color: var(--ink-muted); }
.img-pair figcaption b { color: var(--ink); font-family: var(--font-display); font-weight: 500; }
@media (max-width: 520px) { .img-pair { grid-template-columns: 1fr; } }

.ph { border: 1.5px dashed var(--line-strong); border-radius: var(--radius-lg); background: var(--bg-sunken); padding: clamp(2rem,5vw,3rem); text-align: center; color: var(--ink-muted); margin-block: 2.4rem; }
.ph .ic { font-size: 1.6rem; }
.ph b { display: block; color: var(--ink-body); font-family: var(--font-display); margin-top: .5rem; }
.ph small { display: block; margin-top: .35rem; }

/* Pipeline diagram */
.pipeline { display: flex; flex-wrap: wrap; align-items: stretch; gap: .6rem; margin-block: 2.4rem; }
.pipe-step { flex: 1 1 130px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elevated); padding: 1rem 1rem 1.1rem; position: relative; box-shadow: var(--shadow-xs); }
.pipe-step .n { font-family: var(--font-display); font-size: .72rem; color: var(--accent-strong); font-weight: 600; letter-spacing: .06em; }
.pipe-step .t { font-family: var(--font-display); font-weight: 500; color: var(--ink); margin-top: .3rem; font-size: .98rem; }
.pipe-step .d { font-size: .82rem; color: var(--ink-muted); margin-top: .3rem; line-height: 1.4; }

/* Skill cards */
.skill-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-block: 2.2rem; }
.skill-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elevated); padding: 1.4rem; box-shadow: var(--shadow-xs); transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur) var(--ease-out), border-color var(--dur); }
.skill-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.skill-card .badge { display: inline-block; font-family: var(--font-display); font-size: .7rem; letter-spacing: .04em; text-transform: uppercase; color: var(--accent-strong); background: var(--grad-brand-soft); padding: .25rem .55rem; border-radius: 6px; }
.skill-card h4 { margin-top: .8rem; font-size: 1.08rem; }
.skill-card code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .8rem; color: var(--ink-muted); background: var(--bg-sunken); padding: .1rem .4rem; border-radius: 5px; }
.skill-card p { font-size: .95rem; color: var(--ink-body); margin-top: .6rem; line-height: 1.55; }
.skill-card--feature { grid-column: 1 / -1; background: linear-gradient(120deg, rgba(107,75,255,.05), rgba(33,193,255,.05)); border-color: transparent; box-shadow: inset 0 0 0 1px rgba(107,75,255,.18), var(--shadow-xs); }
.skill-card--feature p { font-size: 1rem; max-width: none; }

.benefit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-block: 2.4rem; }
.benefit { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; background: var(--bg-elevated); }
.benefit .n { font-family: var(--font-display); font-size: 2rem; font-weight: 600; letter-spacing: -.02em; color: var(--ink); }
.benefit .n.grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.benefit .l { font-size: .92rem; color: var(--ink-muted); margin-top: .3rem; }

.article-cta { background: var(--bg-ink); color: var(--on-ink); border-radius: var(--radius-xl); padding: clamp(2.5rem,6vw,4rem); text-align: center; margin-top: 3.5rem; position: relative; overflow: hidden; }
.article-cta .glow-a { position:absolute; width:420px; height:420px; border-radius:50%; background: radial-gradient(circle, rgba(107,75,255,.5), transparent 65%); top:-160px; left:-80px; filter: blur(40px); }
.article-cta h2 { color: #fff; position: relative; z-index: 1; max-width: 24ch; margin-inline: auto; }
/* Los botones dentro del artículo no deben heredar el estilo de link de .prose */
.prose a.btn { color: var(--_fg); text-decoration: none; }
.prose a.btn.btn-on-ink { color: #fff; }
.prose a.btn.btn-on-ink:hover { color: var(--ink); }
.article-cta h2 .grad-text { background: var(--grad-text); -webkit-background-clip:text; background-clip:text; color:transparent; }
.article-cta p { color: var(--on-ink-muted); position: relative; z-index: 1; margin: 1rem auto 2rem; max-width: 46ch; }
.article-cta .btns { position: relative; z-index: 1; display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; }

@media (max-width: 640px) {
  .skill-grid, .benefit-grid { grid-template-columns: 1fr; }
  .prose p { font-size: 1.05rem; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .nav-links, .nav-cta, .lang-toggle.desktop { display:none; }
  .burger { display:block; }
  .hero-scroll { display: none; }
  .hero { min-height: 92svh; }
  .hero-grid { grid-template-columns: 1fr; align-items: start; }
  .hero-portrait { order:-1; justify-self:start; align-self:start; display:block; }
  .hero-portrait .frame { width: 100%; max-width: 320px; height: auto; min-height: 0; aspect-ratio: 4/5; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(3) { border-left:0; }
  .project { grid-template-columns: 1fr; }
  .project-media { order: -1; }
  .project h3, .project p { max-width: none; }
  .ai-teaser .inner { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 320px; aspect-ratio: 4/5; }
  .contact-methods { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .stats-grid, .stats-grid--3 { grid-template-columns: 1fr; }
  .stat { border-left: 0; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: 0; }
}
@media (max-width: 540px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .sec-head > div { flex: 0 0 auto; }
  .project-metrics { gap: 1.4rem; }
}