/* =============================================================
   rubenhoyos.net — Arquetipo 05 · Mouse-Reactive Gradient
   Paleta propia con eco de TeCViva (grafito + verde laboratorio)
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #0b0d0c;
  --bg-2:      #121513;
  --bg-3:      #191d1a;
  --ink:       #f2f3ee;
  --mute:      #a3aaa4;
  --dim:       #6c746e;
  --accent:    #4fe08a;   /* verde TeCViva — ajústalo al hex exacto del logo */
  --accent-ink:#06140c;
  --graphite:  #3a3f3c;   /* gris TeCViva */
  --line:      rgba(242, 243, 238, 0.12);
  --line-2:    rgba(242, 243, 238, 0.22);

  --gradient-1: #1fbf6a;
  --gradient-2: #0d5b47;
  --gradient-3: #4a514c;

  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans:  "Geist", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono:  "Geist Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --gutter: 16px;
  --maxw: 1240px;
  --nav-h: 68px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  background: var(--bg);
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; line-height: 1.02; letter-spacing: -0.02em; font-weight: 400; }
em { font-style: italic; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; background: var(--accent); color: var(--accent-ink);
  border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.kicker {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mute);
}

/* =============================================================
   4. Typography
   ============================================================= */
.section-title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  max-width: 20ch;
}
.section-title em { color: var(--accent); }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .85rem 1.35rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: .95rem;
  line-height: 1;
  transition: transform .35s var(--ease-out), background-color .25s, color .25s, box-shadow .35s var(--ease-out), border-color .25s;
  white-space: nowrap;
}
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -12px rgba(79, 224, 138, .55); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); background: var(--ink); color: var(--bg); }

.link-arrow {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--mono); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent);
}
.link-arrow::after { content: "→"; transition: transform .35s var(--ease-out); }
.link-arrow:hover::after { transform: translateX(5px); }

.underline-link {
  position: relative;
  display: inline-block;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 5vw, 3rem);
  line-height: 1.1;
}
.underline-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -.08em; height: 2px;
  background: var(--accent);
  transform: scaleX(.18); transform-origin: left;
  transition: transform .6s var(--ease-out);
}
.underline-link:hover::after, .underline-link:focus-visible::after { transform: scaleX(1); }

.badge {
  display: inline-block;
  padding: .25rem .6rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
  font-family: var(--mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase;
}

/* ---- Nav ---- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color .35s, border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.nav.is-solid {
  background: rgba(11, 13, 12, .92);
  border-bottom-color: var(--line);
}
@supports (backdrop-filter: blur(12px)) {
  .nav.is-solid { background: rgba(11, 13, 12, .72); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); }
}
.nav-inner {
  max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter);
  height: var(--nav-h);
  display: flex; align-items: center; gap: 1rem;
}
.nav-brand { display: inline-flex; align-items: center; gap: .65rem; margin-right: auto; }
.nav-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--graphite);
  font-family: var(--mono); font-size: .72rem; font-weight: 500; letter-spacing: .02em;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line-2);
}
.nav-mark::first-letter { color: var(--ink); }
.nav-name { font-weight: 500; letter-spacing: -.01em; }
.nav-links { display: none; gap: 1.6rem; }
.nav-links a {
  position: relative; font-size: .92rem; color: var(--mute);
  transition: color .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px;
  background: var(--accent); transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { display: none; padding: .65rem 1.1rem; font-size: .88rem; }

.nav-toggle { width: 44px; height: 44px; display: grid; place-content: center; gap: 6px; }
.nav-toggle-bar { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: transform .35s var(--ease-out); }
.nav.is-open .nav-toggle-bar:first-of-type { transform: translateY(3.75px) rotate(45deg); }
.nav.is-open .nav-toggle-bar:last-of-type  { transform: translateY(-3.75px) rotate(-45deg); }
.nav-panel {
  display: none;
  flex-direction: column;
  padding: 1rem var(--gutter) 2rem;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.nav-panel a {
  font-family: var(--serif); font-size: 2rem; line-height: 1.35;
  border-bottom: 1px solid var(--line);
  padding-block: .35rem;
}
.nav.is-open { background: var(--bg); }
.nav.is-open .nav-panel { display: flex; }

/* ---- WhatsApp flotante (solo móvil) ---- */
.wa-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 90;
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink);
  box-shadow: 0 12px 30px -10px rgba(0,0,0,.6);
  transition: transform .35s var(--ease-out);
}
.wa-float:hover { transform: scale(1.06); }

/* =============================================================
   6. Sections
   ============================================================= */

/* ---- Hero ---- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; align-items: flex-end;
  padding-top: calc(var(--nav-h) + 3rem);
  padding-bottom: 2.5rem;
  overflow: clip;
}
.hero-gradient {
  position: absolute; inset: -10%; z-index: -2;
  background:
    radial-gradient(circle 520px at var(--mx, 70%) var(--my, 35%), var(--gradient-1) 0%, transparent 55%),
    radial-gradient(circle 760px at calc(var(--mx, 70%) + 12%) calc(var(--my, 35%) - 12%), var(--gradient-2) 0%, transparent 55%),
    radial-gradient(circle 640px at calc(var(--mx, 70%) - 22%) calc(var(--my, 35%) + 18%), var(--gradient-3) 0%, transparent 55%),
    var(--bg);
  filter: blur(46px) saturate(140%);
  opacity: .9;
}
.hero::after {
  /* velo inferior para legibilidad del texto */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(11,13,12,.15) 0%, rgba(11,13,12,0) 35%, rgba(11,13,12,.55) 75%, var(--bg) 100%);
  pointer-events: none;
}
.hero-grain {
  position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .09; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.hero-inner { display: grid; gap: 2rem; }
.hero-kicker { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); opacity: .85; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(79,224,138,.6); animation: dotPulse 2.6s infinite; }
@keyframes dotPulse {
  0% { box-shadow: 0 0 0 0 rgba(79,224,138,.55); }
  70% { box-shadow: 0 0 0 10px rgba(79,224,138,0); }
  100% { box-shadow: 0 0 0 0 rgba(79,224,138,0); }
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(3.6rem, 19vw, 11.5rem);
  line-height: .9;
  letter-spacing: -.035em;
  max-width: none;
}
.hero-title .line { display: block; overflow: clip; padding-bottom: .06em; }
.hero-title .line > span { display: inline-block; animation: lineUp 1.1s var(--ease-out) both; }
.hero-title .line:nth-child(2) > span { animation-delay: .12s; }
.hero-title em { color: var(--accent); padding-right: .04em; }
@keyframes lineUp { from { transform: translateY(105%); } to { transform: none; } }

.hero-foot { display: grid; gap: 1.6rem; animation: fadeUp 1s .35s var(--ease-out) both; }
.hero-sub { font-size: clamp(1.02rem, 2.4vw, 1.2rem); color: var(--ink); opacity: .86; max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.hero-tags {
  list-style: none; padding: 1.2rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem 1.4rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--mute);
  animation: fadeUp 1s .5s var(--ease-out) both;
}
.hero-tags li::before { content: "/ "; color: var(--accent); }

/* ---- Manifiesto ---- */
.manifesto {
  display: grid; gap: 2.5rem;
  padding-block: clamp(5rem, 12vw, 9rem);
}
.portrait { position: relative; max-width: 420px; }
.portrait img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 25%;
  border-radius: 6px;
  filter: grayscale(1) contrast(1.08) brightness(.95);
  transition: filter .8s var(--ease-out);
}
.portrait::before {
  /* duotono verde sobre el retrato */
  content: ""; position: absolute; inset: 0 0 auto 0; aspect-ratio: 4 / 5; z-index: 1; border-radius: 6px;
  background: linear-gradient(160deg, rgba(79,224,138,.38), rgba(13,91,71,.25) 45%, rgba(11,13,12,.35));
  mix-blend-mode: color;
  pointer-events: none;
  transition: opacity .8s var(--ease-out);
}
.portrait:hover img { filter: grayscale(.2) contrast(1.04); }
.portrait:hover::before { opacity: .35; }
.portrait figcaption { margin-top: .9rem; }
.manifesto-body { display: grid; gap: 1.4rem; align-content: start; }
.manifesto-body > p:not(.kicker):not(.manifesto-lead) { font-size: 1.08rem; color: var(--mute); max-width: 58ch; }
.manifesto-body strong { color: var(--ink); font-weight: 500; }
.manifesto-lead {
  font-family: var(--serif);
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  max-width: 22ch;
}
.manifesto-lead em { color: var(--accent); }

/* ---- Trabajo (filas expandibles) ---- */
.work { padding-block: clamp(4rem, 10vw, 8rem); border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 1.1rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.rows { border-top: 1px solid var(--line-2); }
.row { border-bottom: 1px solid var(--line-2); }
.row summary {
  list-style: none;
  display: grid;
  grid-template-columns: 2.6rem 1fr 2rem;
  grid-template-areas: "num title icon" "num line icon";
  align-items: center;
  gap: .15rem 1rem;
  padding: 1.5rem 0;
  cursor: pointer;
  transition: padding .45s var(--ease-out), color .3s;
}
.row summary::-webkit-details-marker { display: none; }
.row-num { grid-area: num; font-family: var(--mono); font-size: .8rem; color: var(--dim); align-self: start; padding-top: .55rem; }
.row-title { grid-area: title; font-family: var(--serif); font-size: clamp(1.7rem, 5vw, 3.2rem); line-height: 1.05; transition: color .3s, transform .45s var(--ease-out); }
.row-line { grid-area: line; color: var(--mute); font-size: .95rem; }
.row-icon { grid-area: icon; position: relative; width: 22px; height: 22px; justify-self: end; }
.row-icon::before, .row-icon::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 1.5px; background: currentColor;
  transform: translate(-50%, -50%); transition: transform .45s var(--ease-out);
}
.row-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.row[open] .row-icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.row[open] .row-title { color: var(--accent); }
.row summary:hover .row-title { transform: translateX(6px); }
.row-body { display: grid; gap: 1.1rem; padding: 0 0 2rem 3.6rem; max-width: 72ch; }
.row-body p { color: var(--mute); font-size: 1.05rem; }
.row-meta { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.row-meta li {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .04em;
  padding: .4rem .7rem; border: 1px solid var(--line-2); border-radius: 999px; color: var(--ink);
}
.js .row-body { animation: rowIn .6s var(--ease-out) both; }
@keyframes rowIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---- Método ---- */
.method { padding-block: clamp(4rem, 10vw, 8rem); background: var(--bg-2); border-block: 1px solid var(--line); }
.steps { list-style: none; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.step { background: var(--bg-2); padding: 2rem 1.5rem 2.3rem; display: grid; gap: .8rem; align-content: start; transition: background-color .4s; }
.step:hover { background: var(--bg-3); }
.step-num { font-family: var(--serif); font-size: 3.6rem; line-height: 1; color: var(--accent); }
.step h3 { font-family: var(--sans); font-size: 1.25rem; font-weight: 500; letter-spacing: -.01em; }
.step p { color: var(--mute); }

/* ---- Laboratorio ---- */
.lab { padding-block: clamp(5rem, 12vw, 9rem); }
.lab-grid { display: grid; gap: 3.5rem; }
.lab-copy { display: grid; gap: 1.4rem; align-content: start; }
.lab-copy > p:not(.kicker) { color: var(--mute); font-size: 1.08rem; max-width: 56ch; }
.lab-links { display: grid; gap: .75rem; margin-top: .8rem; }
.channel {
  display: grid; grid-template-columns: 6.5rem 1fr auto; align-items: center; gap: 1rem;
  padding: 1.05rem 1.2rem;
  border: 1px solid var(--line-2); border-radius: 10px;
  transition: background-color .3s, color .3s, border-color .3s;
}
.channel-label { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--mute); transition: color .3s; }
.channel-handle { font-size: 1.1rem; font-weight: 500; }
.channel-arrow { font-size: 1.1rem; transition: transform .4s var(--ease-out); }
.channel:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.channel:hover .channel-label { color: var(--accent-ink); }
.channel:hover .channel-arrow { transform: translate(3px, -3px); }

.lab-visual {
  position: relative;
  border: 1px solid var(--line); border-radius: 14px;
  padding: 2rem 1.5rem;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(79,224,138,.14), transparent 60%),
    var(--bg-2);
  display: grid; gap: 2rem;
}
.tv { display: flex; align-items: center; gap: 1rem; }
.tv-mark { width: 72px; height: 72px; animation: tvFloat 6s ease-in-out infinite; }
.tv-label { font-family: var(--mono); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
@keyframes tvFloat { 0%,100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-6px) rotate(2deg); } }
.myths { list-style: none; padding: 0; display: grid; gap: .9rem; }
.myths li {
  position: relative;
  font-family: var(--serif); font-size: clamp(1.35rem, 3.6vw, 1.9rem); line-height: 1.15;
  padding: .9rem 0 .9rem; border-top: 1px solid var(--line);
  color: var(--ink);
}
.myths li > span:first-child {
  display: block; margin-bottom: .35rem;
  font-family: var(--mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent);
}
/* tachado al aparecer: el mito queda "desmentido" */
.myth-text {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--accent);
  transition: text-decoration-color 1.1s var(--ease-out), color 1.1s var(--ease-out);
}
.js .myths:not(.is-revealed) .myth-text { text-decoration-color: transparent; }
.js .myths.is-revealed .myth-text { color: var(--mute); }
.myths li:nth-child(2) .myth-text { transition-delay: .3s; }
.myths li:nth-child(3) .myth-text { transition-delay: .6s; }

/* ---- Escritos ---- */
.writing { padding-block: clamp(4.5rem, 10vw, 8rem); border-top: 1px solid var(--line); }
.writing-inner { display: grid; gap: 1.5rem; justify-items: start; }
.writing .section-title { max-width: 24ch; }
.writing-sub { color: var(--mute); font-size: 1.08rem; max-width: 52ch; }

/* ---- Contacto ---- */
.contact { padding-block: clamp(5rem, 12vw, 9rem) clamp(4rem, 10vw, 7rem); border-top: 1px solid var(--line); }
.contact-title {
  margin: 1rem 0 3rem;
  font-family: var(--serif);
  font-size: clamp(4rem, 19vw, 15rem);
  line-height: .9;
  letter-spacing: -.04em;
}
.invert-type {
  display: inline-block;
  padding: 0 .08em .06em;
  border-radius: 10px;
  transition: background-color .35s var(--ease-out), color .35s var(--ease-out);
}
.invert-type:hover, .invert-type:focus-visible { background: var(--accent); color: var(--accent-ink); }
.contact-grid { display: grid; gap: 3rem; }
.contact-direct { display: grid; gap: 1.2rem; align-content: start; }
.contact-direct > p:first-child { color: var(--mute); font-size: 1.08rem; max-width: 40ch; }
.contact-place { margin-top: .5rem; }

.form { display: grid; gap: 1.1rem; grid-template-columns: 1fr; }
.field { display: grid; gap: .45rem; }
.field label { font-size: .85rem; color: var(--mute); }
.field input, .field select, .field textarea {
  width: 100%;
  font: inherit; color: var(--ink);
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: .85rem .9rem;
  transition: border-color .25s, background-color .25s;
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--mute) 50%), linear-gradient(135deg, var(--mute) 50%, transparent 50%); background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px; background-repeat: no-repeat; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); background-color: var(--bg-3); }
.field textarea { resize: vertical; min-height: 96px; }
.field.is-invalid input, .field.is-invalid select { border-color: #ff7a6b; }
.consent { grid-template-columns: auto 1fr; align-items: start; gap: .75rem; }
.consent input { width: 20px; height: 20px; margin-top: .15rem; accent-color: var(--accent); padding: 0; }
.consent label { font-size: .85rem; line-height: 1.5; }
.consent a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.consent.is-invalid label { color: #ff9a8e; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.form-status { font-size: .9rem; color: var(--mute); }
.form-status.is-ok { color: var(--accent); }
.form-status.is-err { color: #ff9a8e; }
.form.is-sending button[type="submit"] { opacity: .6; pointer-events: none; }

/* ---- Footer ---- */
.footer { border-top: 1px solid var(--line); padding-block: 2rem 5.5rem; color: var(--mute); font-size: .88rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; }
.footer-links { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; }
.footer-links a:hover { color: var(--ink); }

/* =============================================================
   7. Effects — reveal
   ============================================================= */
.js [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease-soft), transform .9s var(--ease-out); }
.js [data-reveal].is-revealed { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; } /* defensa obligatoria de la skill */

/* =============================================================
   8. Responsive
   ============================================================= */
@media (min-width: 540px) {
  :root { --gutter: 24px; }
  .form { grid-template-columns: 1fr 1fr; }
  .field-full { grid-column: 1 / -1; }
  .lab-links { grid-template-columns: 1fr 1fr; }
  .channel { grid-template-columns: 1fr auto; grid-template-areas: "label arrow" "handle arrow"; gap: .25rem 1rem; }
  .channel-label { grid-area: label; }
  .channel-handle { grid-area: handle; }
  .channel-arrow { grid-area: arrow; }
}
@media (min-width: 720px) {
  :root { --gutter: 32px; }
  .hero-foot { grid-template-columns: 1fr auto; align-items: end; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .row summary { grid-template-columns: 4rem 1.2fr 1fr 2rem; grid-template-areas: "num title line icon"; padding: 1.9rem 0; }
  .row-num { padding-top: 0; align-self: center; }
  .row-line { text-align: right; justify-self: end; }
  .row-body { padding-left: 5rem; }
}
@media (min-width: 960px) {
  :root { --gutter: 40px; --nav-h: 76px; }
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle, .nav-panel, .nav.is-open .nav-panel { display: none; }
  .nav.is-open { background: transparent; }
  .wa-float { display: none; }
  .footer { padding-bottom: 2rem; }
  .hero { padding-bottom: 3.5rem; }
  .manifesto { grid-template-columns: 5fr 7fr; gap: clamp(3rem, 7vw, 7rem); align-items: start; }
  .portrait { position: sticky; top: calc(var(--nav-h) + 2rem); }
  .lab-grid { grid-template-columns: 7fr 5fr; gap: clamp(3rem, 6vw, 6rem); align-items: center; }
  .lab-visual { padding: 2.5rem 2.2rem; }
  .contact-grid { grid-template-columns: 5fr 7fr; gap: clamp(3rem, 6vw, 6rem); }
}
@media (min-width: 1280px) {
  .hero-title { font-size: clamp(8rem, 12.5vw, 12.5rem); }
}

/* =============================================================
   9. Reduced motion — solo lo intrusivo
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dot { animation: none; }
  .tv-mark { animation: none; }
}

/* Retrato circular (la foto trae un aro incrustado) */
.portrait { max-width: 440px; }
.portrait img, .portrait::before { aspect-ratio: 1 / 1; border-radius: 50%; }
.portrait img { object-position: 50% 50%; }

/* ---- SEO v2: H1 en el kicker, títulos de filas como h3, FAQ ---- */
h1.hero-kicker, h2.kicker { font-family: var(--mono); font-weight: 400; line-height: 1.5; letter-spacing: .08em; text-wrap: pretty; }
h1.hero-kicker { font-size: .75rem; }
p.hero-title { margin: 0; }
h3.row-title { font-weight: 400; letter-spacing: -.02em; }
.faq { padding-block: clamp(4rem, 10vw, 8rem); border-top: 1px solid var(--line); }
.faq-item summary,
.faq-item summary { grid-template-columns: 1fr 2rem; grid-template-areas: "title icon"; }
.faq-q { font-size: clamp(1.25rem, 3.2vw, 1.85rem); line-height: 1.2; }
.faq-a { padding-left: 0; }
@media (min-width: 720px) {
  .faq-item summary { grid-template-columns: 1fr 2rem; grid-template-areas: "title icon"; }
  .faq-a { padding-left: 0; }
}
h1.hero-kicker { align-items: flex-start; }
.hero-kicker .dot { flex-shrink: 0; margin-top: .42em; }

/* =============================================================
   Páginas internas (cooperativas, etc.)
   ============================================================= */
.hero-sub-page { min-height: auto; padding-top: calc(var(--nav-h) + 5rem); padding-bottom: 4rem; }
@media (min-width: 960px) { .hero-sub-page { min-height: 86vh; min-height: 86svh; } }
.crumbs { display: flex; flex-wrap: wrap; gap: .5rem; }
.crumbs a { color: var(--ink); opacity: .85; }
.crumbs a:hover { color: var(--accent); }
.page-title {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 9vw, 7.2rem);
  line-height: .95;
  letter-spacing: -.03em;
  max-width: 16ch;
  animation: fadeUp 1s var(--ease-out) both;
}
.page-title em { color: var(--accent); }

.answer { display: grid; gap: 1.4rem; padding-block: clamp(4.5rem, 10vw, 7.5rem); max-width: calc(var(--maxw)); }
.answer > p:not(.answer-lead) { color: var(--mute); font-size: 1.08rem; max-width: 64ch; }
.answer-lead { font-family: var(--serif); font-size: clamp(1.7rem, 4.2vw, 2.9rem); line-height: 1.14; letter-spacing: -.015em; max-width: 30ch; }
.answer-lead em { color: var(--accent); }

.why { padding-block: clamp(4rem, 10vw, 8rem); border-top: 1px solid var(--line); }
.why-grid { list-style: none; padding: 0; display: grid; gap: 1rem; }
.why-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 1.8rem 1.5rem; display: grid; gap: .8rem; align-content: start; transition: border-color .3s, transform .45s var(--ease-out); }
.why-card:hover { border-color: var(--line-2); transform: translateY(-3px); }
.why-card h3 { font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 1.9rem); line-height: 1.1; }
.why-card p { color: var(--mute); }
.why-note { margin-top: 2rem; color: var(--mute); max-width: 70ch; font-size: .98rem; }
.why-note a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

.modules { padding-left: 1.3rem; display: grid; gap: .65rem; color: var(--mute); max-width: 72ch; }
.modules li::marker { color: var(--accent); font-family: var(--mono); font-size: .85em; }
.modules strong { color: var(--ink); font-weight: 500; }

.contact .section-title { margin-bottom: 3rem; }
.underline-small { font-size: clamp(1.3rem, 3vw, 1.8rem); margin-top: .6rem; justify-self: start; }
.contact-direct .btn { justify-self: start; }

@media (min-width: 720px) {
  .why-grid { grid-template-columns: repeat(3, 1fr); }
}

.row-links { display: flex; flex-wrap: wrap; gap: .8rem 2rem; }