/* ==========================================================
   José Antonio Rubio — Marca personal
   Sistema de diseño v0.1
   ========================================================== */

/* ---------- Fuentes (auto-alojadas: sin cookies ni Google) ---------- */
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2");
  font-weight: 200 800; font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans-latin-wght-normal.woff2") format("woff2");
  font-weight: 400 700; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2");
  font-weight: 500; font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --green-950: #04190F;
  --green-900: #072A20;
  --green-700: #0B4A37;   /* verde botella */
  --green-500: #13795B;
  --blue: #2B59FF;        /* azul eléctrico */
  --blue-600: #1E43D6;
  --blue-300: #8FA8FF;
  --lime: #D4F25A;
  --cream: #F6F2E7;
  --cream-200: #ECE6D5;
  --paper: #FFFDF8;
  --ink: #10201A;
  --ink-soft: #3E5149;

  --font-display: "Bricolage Grotesque", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --radius-s: 10px;
  --radius: 18px;
  --radius-l: 28px;
  --shadow: 0 1px 0 rgba(16,32,26,.06), 0 12px 32px -12px rgba(16,32,26,.25);
  --container: 1180px;
  --header-h: 72px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.6;
  color: var(--ink); background: var(--cream);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.05; margin: 0 0 .5em; letter-spacing: -.02em; font-weight: 700; }
p { margin: 0 0 1em; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
.on-dark :focus-visible, .site-footer :focus-visible, .hero :focus-visible, .page-hero :focus-visible, .nav :focus-visible { outline-color: var(--lime); }
.contact :focus-visible { outline-color: #fff; }
.contact .form :focus-visible { outline-color: var(--blue); }
::placeholder { color: #5E6F67; opacity: 1; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 1rem; top: -100px; background: var(--lime); color: var(--ink); padding: .6rem 1rem; border-radius: 8px; z-index: 100; font-weight: 600; }
.skip-link:focus { top: 1rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--green-500); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.on-dark .eyebrow { color: var(--lime); }

.section { padding: clamp(4.5rem, 10vw, 8rem) 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.section-head p { font-size: 1.15rem; color: var(--ink-soft); }
.on-dark { color: var(--cream); }
.on-dark .section-head p { color: rgba(246,242,231,.75); }
.hl { background: linear-gradient(transparent 62%, var(--lime) 62%, var(--lime) 92%, transparent 92%); padding: 0 .08em; }
.on-dark .hl { color: var(--lime); background: none; }

/* ---------- Botones ---------- */
.btn {
  --bg: var(--blue); --fg: #fff;
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .9rem 1.4rem; border-radius: 999px; border: 2px solid var(--bg);
  background: var(--bg); color: var(--fg); font: 600 1rem/1 var(--font-body);
  text-decoration: none; cursor: pointer; transition: transform .2s var(--ease), background .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -10px var(--bg); }
.btn svg { width: 18px; height: 18px; transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--lime { --bg: var(--lime); --fg: var(--ink); }
.btn--ghost { background: transparent; color: currentColor; border-color: currentColor; }
.btn--ghost:hover { box-shadow: none; background: rgba(255,255,255,.08); }
.btn--dark { --bg: var(--green-900); --fg: var(--cream); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; height: var(--header-h); z-index: 50;
  display: flex; align-items: center; color: var(--cream);
  transition: background .3s, color .3s, box-shadow .3s;
}
.site-header.is-solid, .site-header--light {
  background: rgba(246,242,231,.88); color: var(--ink);
  backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  box-shadow: 0 1px 0 rgba(16,32,26,.08);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.nav ul { list-style: none; display: flex; gap: .25rem; margin: 0; padding: 0; }
.nav a {
  display: block; padding: .5rem .85rem; border-radius: 999px; text-decoration: none;
  font-weight: 500; font-size: .95rem; opacity: .85; transition: background .2s, opacity .2s;
}
.nav a:hover { opacity: 1; background: rgba(127,127,127,.14); }
.nav a.is-active { opacity: 1; background: var(--lime); color: var(--ink); }
.nav .nav-cta { background: var(--blue); color: #fff; opacity: 1; margin-left: .35rem; }
.nav .nav-cta:hover { background: var(--blue-600); }
.nav-toggle { display: none; background: none; border: 0; color: inherit; padding: .5rem; cursor: pointer; }
.nav-toggle svg { width: 28px; height: 28px; }
.nav-toggle .i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: block; }
.nav-toggle[aria-expanded="true"] .i-menu { display: none; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto; background: var(--green-900); color: var(--cream);
    padding: 1rem 1.25rem 1.5rem; transform: translateY(-120%); visibility: hidden; transition: transform .35s var(--ease), visibility 0s linear .35s;
    box-shadow: 0 20px 40px -20px rgba(0,0,0,.5);
  }
  .nav.is-open { transform: none; visibility: visible; transition: transform .35s var(--ease), visibility 0s; }
  .nav ul { flex-direction: column; }
  .nav a { font-size: 1.15rem; padding: .85rem 1rem; }
  .nav .nav-cta { margin: .5rem 0 0; text-align: center; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--green-900); color: var(--cream); overflow: hidden;
  padding: calc(var(--header-h) + clamp(3rem, 8vw, 6rem)) 0 clamp(3.5rem, 7vw, 5.5rem);
  position: relative; isolation: isolate;
}
.hero::before { /* rejilla técnica */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: linear-gradient(rgba(143,168,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(143,168,255,.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
}
.hero::after { content: ""; position: absolute; width: 640px; height: 640px; right: -180px; top: -120px; z-index: -1;
  background: radial-gradient(circle, rgba(43,89,255,.45), transparent 65%); filter: blur(10px); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 3rem; }
.hero h1 { font-size: clamp(2.8rem, 7.2vw, 5.6rem); font-weight: 800; letter-spacing: -.035em; margin-bottom: 1.5rem; }
.hero-sub { font-size: clamp(1.1rem, 1.6vw, 1.3rem); max-width: 560px; color: rgba(246,242,231,.8); margin-bottom: 2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .8rem; }
.hero-art { position: relative; }
.hero-art img { width: 100%; max-width: 520px; margin-left: auto; animation: float 9s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-12px); } }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid rgba(246,242,231,.15); padding-top: 2rem; }
.stat-value { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: var(--lime); line-height: 1; }
.stat-label { font-size: .95rem; color: rgba(246,242,231,.7); margin-top: .4rem; }
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 240px; margin-top: .5rem; }
  .stats { grid-template-columns: 1fr 1fr 1fr; gap: .75rem; }
}
@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; gap: 1.25rem; }
  .hero-art { display: none; }
}

/* ---------- Ticker ---------- */
.ticker { background: var(--lime); color: var(--ink); overflow: hidden; border-block: 2px solid var(--ink); }
.ticker-track { display: flex; width: max-content; animation: ticker 38s linear infinite; }
.ticker-track span { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; padding: .85rem 1.25rem; white-space: nowrap; display: flex; align-items: center; gap: 1.25rem; }
.ticker-track span::after { content: "✦"; color: var(--blue); }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Sobre mí ---------- */
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.portrait { position: sticky; top: calc(var(--header-h) + 2rem); }
.portrait img { border-radius: var(--radius-l); width: 100%; box-shadow: 14px 14px 0 var(--green-700); }
.portrait-note { font-family: var(--font-mono); font-size: .75rem; color: var(--ink-soft); margin-top: 1.4rem; }
.about-text > p { font-size: 1.15rem; }
.about-text > p:first-of-type { font-size: 1.35rem; font-weight: 500; line-height: 1.45; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--cream-200); border: 1px solid var(--cream-200); border-radius: var(--radius); overflow: hidden; margin: 2rem 0; }
.fact { background: var(--paper); padding: 1.1rem 1.25rem; }
.fact dt { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--green-500); }
.fact dd { margin: .25rem 0 0; font-weight: 600; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.value { padding: 1.25rem; border-radius: var(--radius); background: var(--green-700); color: var(--cream); }
.value:nth-child(2) { background: var(--blue-600); }
.value:nth-child(2) p { opacity: 1; }
.value:nth-child(3) { background: var(--ink); }
.value h3 { font-size: 1.2rem; margin-bottom: .4rem; }
.value p { font-size: .95rem; margin: 0; opacity: .85; }
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .portrait { position: static; max-width: 320px; }
  .values { grid-template-columns: 1fr; }
}

/* ---------- CV / Trayectoria ---------- */
.cv { background: var(--paper); }
.cv-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(2rem, 5vw, 4rem); }
.cv h3.col-title { font-family: var(--font-mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft); font-weight: 500; margin-bottom: 1.5rem; }
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--blue), var(--green-500)); }
.tl-item { position: relative; padding: 0 0 2.25rem 2.5rem; }
.tl-item::before { content: ""; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: var(--paper); border: 3px solid var(--blue); }
.tl-item:first-child::before { background: var(--lime); border-color: var(--ink); }
.tl-period { font-family: var(--font-mono); font-size: .8rem; color: var(--blue); }
.tl-item h4 { font-size: 1.4rem; margin: .25rem 0 .2rem; }
.tl-org { font-weight: 600; color: var(--ink-soft); margin-bottom: .5rem; }
.tl-item p { margin-bottom: .6rem; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; padding: 0; margin: 0; }
.tag { font-size: .78rem; font-weight: 600; padding: .25rem .65rem; border-radius: 999px; background: var(--cream); border: 1px solid var(--cream-200); color: var(--green-700); }
.edu { list-style: none; padding: 0; margin: 0 0 2.5rem; display: grid; gap: .75rem; }
.edu li { padding: 1rem 1.2rem; border-radius: var(--radius); background: var(--cream); border-left: 4px solid var(--green-500); }
.edu strong { display: block; font-family: var(--font-display); font-size: 1.1rem; }
.edu span { font-size: .9rem; color: var(--ink-soft); }
.skills-group { margin-bottom: 1.25rem; }
.skills-group h4 { font-family: var(--font-body); font-size: .95rem; font-weight: 700; margin-bottom: .5rem; }
.cv-download { margin-top: 1rem; }
@media (max-width: 860px) { .cv-grid { grid-template-columns: 1fr; } }

/* ---------- Servicios ---------- */
.services { background: var(--green-900); overflow: hidden; }
.services::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(212,242,90,.12) 1.2px, transparent 1.2px); background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, #000, transparent 60%); }
.services-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.25rem; position: relative; }
.service { grid-column: span 2; background: var(--green-700); border: 1px solid rgba(246,242,231,.1); border-radius: var(--radius-l);
  padding: 1.75rem; display: flex; flex-direction: column; transition: transform .3s var(--ease), border-color .3s, background .3s; }
.service:hover { transform: translateY(-4px); border-color: var(--blue-300); background: #0d553f; }
.service-icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: var(--blue); color: #fff; margin-bottom: 1.25rem; }
.service:nth-child(even) .service-icon { background: var(--lime); color: var(--ink); }
.service-icon svg { width: 28px; height: 28px; }
.service h3 { font-size: 1.45rem; }
.service p { color: rgba(246,242,231,.78); }
.service ul { list-style: none; padding: 0; margin: auto 0 0; display: grid; gap: .45rem; font-size: .95rem; }
.service li { padding-left: 1.5rem; position: relative; }
.service li::before { content: ""; position: absolute; left: 0; top: .55em; width: 10px; height: 10px; border-radius: 3px; background: var(--lime); }
.service-price { margin-top: auto; font-family: var(--font-mono); font-size: .82rem; color: var(--lime); border-top: 1px dashed rgba(246,242,231,.2); padding-top: 1rem; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: clamp(3rem, 6vw, 5rem); position: relative; }
.step { padding: 1.5rem; border-radius: var(--radius); border: 1px solid rgba(246,242,231,.15); }
.step-num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 800; color: transparent; -webkit-text-stroke: 1.5px var(--blue-300); line-height: 1; }
.step h4 { font-size: 1.15rem; margin: .75rem 0 .35rem; }
.step p { font-size: .95rem; color: rgba(246,242,231,.72); margin: 0; }
@media (max-width: 960px) { .service { grid-column: span 3; } .process { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .service { grid-column: 1 / -1; } .process { grid-template-columns: 1fr; } }

/* ---------- Proyectos (tarjetas) ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.card {
  background: var(--paper); border-radius: var(--radius-l); overflow: hidden; text-decoration: none; display: flex; flex-direction: column;
  border: 1px solid var(--cream-200); transition: transform .3s var(--ease), box-shadow .3s;
}
.card:hover { transform: translateY(-6px) rotate(-.3deg); box-shadow: var(--shadow); }
.card-cover { aspect-ratio: 1200 / 630; overflow: hidden; background: var(--green-700); }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.card:hover .card-cover img { transform: scale(1.05); }
.card-body { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; flex: 1; }
.card-meta { display: flex; gap: .5rem; align-items: center; font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: .75rem; }
.pill { padding: .2rem .55rem; border-radius: 6px; background: var(--green-700); color: var(--cream); }
.pill--blue { background: var(--blue); color: #fff; }
.pill--lime { background: var(--lime); color: var(--ink); }
.card h3 { font-size: 1.5rem; margin-bottom: .5rem; }
.card p { color: var(--ink-soft); font-size: .98rem; }
.card-link { margin-top: auto; font-weight: 600; color: var(--blue); display: inline-flex; gap: .4rem; align-items: center; }
.card-link svg { width: 16px; transition: transform .2s; }
.card:hover .card-link svg { transform: translateX(4px); }
.projects-more { margin-top: 2.5rem; display: flex; justify-content: center; }

/* ---------- Contacto ---------- */
.contact { background: var(--blue); color: #fff; overflow: hidden; }
.contact::before { content: ""; position: absolute; width: 520px; height: 520px; left: -160px; bottom: -220px; border-radius: 50%; border: 70px solid rgba(212,242,90,.18); }
.contact .eyebrow { color: #fff; }
.contact .section-head p { color: #fff; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; position: relative; }
.contact-list { list-style: none; padding: 0; margin: 0 0 2rem; display: grid; gap: .9rem; }
.contact-list a, .contact-list div { display: flex; align-items: center; gap: .9rem; text-decoration: none; font-weight: 600; font-size: 1.1rem; }
.contact-list .ci { width: 46px; height: 46px; flex: none; border-radius: 12px; display: grid; place-items: center; background: rgba(255,255,255,.14); }
.contact-list a:hover .ci { background: var(--lime); color: var(--ink); }
.contact-list svg { width: 22px; height: 22px; }
.contact-list small { display: block; font-weight: 400; font-size: .82rem; }
.availability { display: inline-flex; align-items: center; gap: .6rem; background: rgba(0,0,0,.18); padding: .6rem 1rem; border-radius: 999px; font-size: .92rem; }
.availability::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 rgba(212,242,90,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(212,242,90,0); } 100% { box-shadow: 0 0 0 0 rgba(212,242,90,0); } }

.form { background: var(--paper); color: var(--ink); border-radius: var(--radius-l); padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: 0 30px 60px -30px rgba(0,0,0,.45); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .35rem; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: var(--cream);
  border: 2px solid transparent; border-radius: 12px; padding: .8rem .95rem; transition: border-color .2s, background .2s;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); background: #fff; }
.field-check { display: flex; gap: .6rem; align-items: flex-start; font-size: .88rem; color: var(--ink-soft); margin: .25rem 0 1.25rem; }
.field-check input { width: 18px; height: 18px; margin-top: .15rem; accent-color: var(--blue); flex: none; }
.privacy-layer { font-size: .78rem; color: var(--ink-soft); margin: -.5rem 0 1.25rem; line-height: 1.5; }
.hp { position: absolute; left: -9999px; }
.form-status { margin-top: 1rem; font-weight: 600; min-height: 1.5em; }
.form-status.ok { color: var(--green-500); }
.form-status.err { color: #C0392B; }
@media (max-width: 860px) { .contact-grid, .form-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-950); color: rgba(246,242,231,.75); padding: 3.5rem 0 2rem; font-size: .95rem; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(246,242,231,.1); }
.footer-brand { max-width: 340px; }
.footer-brand .brand { color: var(--cream); margin-bottom: .75rem; }
.footer-nav { display: flex; gap: 3rem; flex-wrap: wrap; }
.footer-title { font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--lime); font-weight: 500; }
.footer-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .4rem; }
.footer-nav a { text-decoration: none; }
.footer-nav a:hover { color: var(--cream); text-decoration: underline; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; font-size: .85rem; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { text-decoration: underline; }
.to-top { position: fixed; right: 1.25rem; bottom: 1.25rem; width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--lime); color: var(--ink);
  display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(12px); pointer-events: none; transition: .3s var(--ease); z-index: 40; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.to-top svg { width: 22px; }

/* ---------- Páginas interiores (blog / legal) ---------- */
.page-hero { background: var(--green-900); color: var(--cream); padding: calc(var(--header-h) + clamp(3rem, 7vw, 5rem)) 0 clamp(3rem, 6vw, 4.5rem); position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; width: 480px; height: 480px; right: -140px; top: -160px; border-radius: 50%; background: radial-gradient(circle, rgba(43,89,255,.5), transparent 65%); }
.page-hero h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); max-width: 900px; position: relative; z-index: 1; }
.page-hero p { font-size: 1.2rem; max-width: 640px; color: rgba(246,242,231,.8); position: relative; z-index: 1; }
.breadcrumbs { font-family: var(--font-mono); font-size: .8rem; margin-bottom: 1.5rem; position: relative; z-index: 1; }
.breadcrumbs a { color: var(--lime); text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.filter { font: 600 .92rem var(--font-body); padding: .55rem 1.1rem; border-radius: 999px; border: 2px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; }
.filter[aria-pressed="true"] { background: var(--ink); color: var(--lime); }
.card[hidden] { display: none; }

.post-cover { margin-top: calc(-1 * clamp(2rem, 4vw, 3rem)); position: relative; z-index: 2; }
.post-cover img { border-radius: var(--radius-l); box-shadow: var(--shadow); width: 100%; }
.post-meta { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; position: relative; z-index: 1; margin-top: 1.5rem; }
.prose { max-width: 720px; margin: clamp(2.5rem, 5vw, 4rem) auto 0; font-size: 1.15rem; line-height: 1.75; }
.prose h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); margin: 2.2em 0 .6em; }
.prose ul { padding-left: 1.2rem; }
.prose li { margin-bottom: .4rem; }
.prose li::marker { color: var(--blue); }
.prose blockquote { margin: 2rem 0; padding: 1.25rem 1.5rem; border-left: 5px solid var(--lime); background: var(--paper); border-radius: 0 var(--radius) var(--radius) 0; font-family: var(--font-display); font-size: 1.35rem; line-height: 1.4; }
.prose a { color: var(--blue); }
.post-nav { max-width: 720px; margin: 3rem auto 0; padding-top: 2rem; border-top: 1px solid var(--cream-200); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.legal .prose { margin-top: 0; }
.legal .prose h2 { font-size: 1.5rem; }
.placeholder-note { background: var(--lime); color: var(--ink); font-size: .9rem; padding: .8rem 1rem; border-radius: 12px; margin-bottom: 2rem; }

/* ---------- Animaciones de entrada ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

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