/* =========================================================================
   DIEGO PIÑA — Desarrollo web y automatización
   Monocromo · tipografía geométrica con tracking amplio · malla reactiva
   ========================================================================= */

/* ---------- 1. TOKENS ---------- */
:root {
  --bg:        #0a0a0b;
  --bg-2:      #121214;
  --bg-3:      #17171a;
  --ink:       #fafafa;
  --mute:      #94a3b8;
  --mute-2:    #6b7280;
  --line:      rgba(250, 250, 250, 0.11);
  --line-soft: rgba(250, 250, 250, 0.06);

  /* malla monocroma fría — fiel al logo blanco sobre negro */
  --mesh-1: rgba(148, 163, 184, 0.30);
  --mesh-2: rgba(255, 255, 255, 0.14);
  --mesh-3: rgba(71, 85, 105, 0.38);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease:     cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --wrap:  1240px;
  --pad:   clamp(1.25rem, 4.5vw, 3.5rem);
  --nav-h: 76px;
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  overflow-x: clip;            /* clip — no hidden: preserva sticky */
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--ink); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 999;
  padding: 0.65rem 1rem;
  background: var(--ink); color: var(--bg);
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  transform: translateY(-160%);
  transition: transform 0.25s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

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

/* ---------- 3. SPLASH (doble red de seguridad) ---------- */
.splash {
  position: fixed; inset: 0; z-index: 400;
  display: grid; place-items: center;
  background: var(--bg);
  color: var(--ink);
  /* red de seguridad #1: si el JS falla, se va a los 4.5 s igual */
  animation: splashSafety 0.01s 4.5s forwards;
}
@keyframes splashSafety {
  to { opacity: 0; pointer-events: none; visibility: hidden; }
}
.splash.is-out {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.7s var(--ease), visibility 0s linear 0.7s;
}
.splash-inner { display: grid; justify-items: center; gap: 1.1rem; }
.splash-mark {
  animation: markDraw 1.5s var(--ease) both;
  stroke-dasharray: 210;
}
@keyframes markDraw {
  0%   { stroke-dashoffset: 210; opacity: 0; }
  40%  { opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 1; }
}
.splash-word {
  font-family: var(--font-sans);
  font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.42em; text-indent: 0.42em;
  color: var(--mute);
  animation: fadeUp 0.9s 0.45s var(--ease) both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- 4. BARRA DE PROGRESO ---------- */
.progress {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300;
  height: 2px;
  background: transparent;
  pointer-events: none;
}
.progress span {
  display: block; height: 100%; width: 0%;
  background: var(--ink);
  transition: width 0.08s linear;
}

/* ---------- 5. CURSOR (oculto hasta el primer mousemove) ---------- */
.cursor {
  position: fixed; top: 0; left: 0; z-index: 350;
  pointer-events: none;
  opacity: 0;                              /* clave: evita la mancha en (0,0) */
  transition: opacity 0.3s var(--ease), width 0.3s var(--ease), height 0.3s var(--ease);
  will-change: transform;
}
.cursor.is-ready { opacity: 1; }
.cursor-dot {
  width: 5px; height: 5px; margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  background: var(--ink);
}
.cursor-ring {
  width: 34px; height: 34px; margin: -17px 0 0 -17px;
  border: 1px solid rgba(250, 250, 250, 0.38);
  border-radius: 50%;
}
.cursor-ring.is-hot {
  width: 58px; height: 58px; margin: -29px 0 0 -29px;
  border-color: rgba(250, 250, 250, 0.75);
  background: rgba(250, 250, 250, 0.05);
}
@media (hover: none), (pointer: coarse) {
  .cursor { display: none; }
}

/* ---------- 6. NAV ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
}
.nav.is-stuck {
  background: rgba(10, 10, 11, 0.86);
  border-bottom-color: var(--line);
}
@supports (backdrop-filter: blur(16px)) {
  .nav.is-stuck { background: rgba(10, 10, 11, 0.62); backdrop-filter: blur(18px) saturate(140%); }
}
.nav-inner {
  width: 100%; max-width: var(--wrap);
  margin-inline: auto; padding-inline: var(--pad);
  display: flex; align-items: center; gap: 1.5rem;
}
.nav-brand { display: flex; align-items: center; gap: 0.7rem; margin-right: auto; }
.nav-brand svg { flex: none; transition: transform 0.45s var(--ease); }
.nav-brand:hover svg { transform: rotate(-8deg) scale(1.06); }
.nav-brand-text { display: grid; gap: 1px; }
.nav-brand-text strong {
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.17em;
}
.nav-brand-text em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.54rem; font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--mute);
}
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  position: relative;
  font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--mute);
  transition: color 0.3s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -5px;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-links a.is-active { color: var(--ink); }
.nav-links a.is-active::after { transform: scaleX(1); transform-origin: left; }

.nav-burger {
  display: none;
  width: 42px; height: 42px;
  flex-direction: column; justify-content: center; align-items: flex-end; gap: 6px;
}
.nav-burger span {
  display: block; height: 1.5px; background: var(--ink);
  transition: transform 0.4s var(--ease), width 0.4s var(--ease), opacity 0.3s var(--ease);
}
.nav-burger span:nth-child(1) { width: 24px; }
.nav-burger span:nth-child(2) { width: 16px; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { width: 24px; transform: translateY(3.75px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { width: 24px; transform: translateY(-3.75px) rotate(-45deg); }

/* ---------- 7. BOTONES ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--ink);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease),
              color 0.3s var(--ease), box-shadow 0.35s var(--ease);
}
.btn svg { transition: transform 0.35s var(--ease); }
.btn-solid { background: var(--ink); color: var(--bg); }
.btn-solid:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.55);
}
.btn-solid:hover svg { transform: translateX(4px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-3px); }
.nav-cta { padding: 0.62rem 1.1rem; font-size: 0.7rem; }

/* ---------- 8. MENÚ MÓVIL ---------- */
.menu {
  position: fixed; inset: 0; z-index: 190;
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--nav-h) var(--pad) 2.5rem;
  background: var(--bg);
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s;
}
.menu.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.menu nav { display: grid; gap: 0.4rem; }
.menu nav a {
  display: flex; align-items: baseline; gap: 1rem;
  padding: 0.5rem 0;
  font-size: clamp(2rem, 9vw, 3.2rem);
  font-weight: 600; letter-spacing: -0.02em;
  border-bottom: 1px solid var(--line-soft);
}
.menu nav a span {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 400;
  letter-spacing: 0.1em; color: var(--mute-2);
}
.menu-foot {
  margin-top: 2.5rem; display: grid; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--mute);
}

/* ---------- 9. REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* DEFENSIVO (A.4.5): un elemento con .reveal + data-split nunca debe quedar invisible */
.reveal[data-split] { opacity: 1; transform: none; }

.split-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.is-visible .split-word, .split-word.is-in { opacity: 1; transform: none; }

/* ---------- 10. HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 4rem) 0 5rem;
  overflow: hidden;
}

/* Malla reactiva al cursor — monocroma */
.hero-gradient {
  position: absolute; inset: -20%;
  z-index: 0;
  background:
    radial-gradient(circle 640px at var(--mx, 50%) var(--my, 42%), var(--mesh-1) 0%, transparent 60%),
    radial-gradient(circle 880px at calc(var(--mx, 50%) + 14%) calc(var(--my, 42%) - 16%), var(--mesh-2) 0%, transparent 58%),
    radial-gradient(circle 1000px at calc(var(--mx, 50%) - 18%) calc(var(--my, 42%) + 20%), var(--mesh-3) 0%, transparent 62%);
  filter: blur(70px) saturate(130%);
  opacity: 0.85;
  transition: background 0.5s var(--ease-out);
  pointer-events: none;
}
.grain {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none; opacity: 0.4;
  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='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.42'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}
.hero-wrap { position: relative; z-index: 2; }

.kicker {
  font-family: var(--font-mono);
  font-size: clamp(0.6rem, 1.6vw, 0.7rem);
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--mute);
  margin-bottom: 1.8rem;
}

.hero-title {
  font-size: clamp(2.9rem, 9.4vw, 7.2rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-wrap: balance;
  max-width: 12ch;
  margin-bottom: 1.9rem;
}

.hero-lead {
  max-width: 46ch;
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--mute);
  margin-bottom: 2.6rem;
  transition-delay: 0.08s;
}
.hero-lead strong { color: var(--ink); font-weight: 600; }

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.85rem;
  margin-bottom: 3.4rem;
  transition-delay: 0.16s;
}

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 0.6rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.12em;
  color: var(--mute-2);
  transition-delay: 0.24s;
}
.hero-meta li { display: flex; align-items: center; gap: 0.55rem; }
.hero-meta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(250,250,250,0.4); }
  50%      { opacity: 0.6; box-shadow: 0 0 0 7px rgba(250,250,250,0); }
}

.hero-scroll {
  position: absolute; bottom: 1.8rem; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.58rem; letter-spacing: 0.34em;
  color: var(--mute-2);
}
.hero-scroll span { display: block; animation: scrollHint 2.6s var(--ease) infinite; }
@keyframes scrollHint {
  0%, 100% { transform: translateY(0); opacity: 0.45; }
  50%      { transform: translateY(7px); opacity: 1; }
}

/* ---------- 11. SECCIONES ---------- */
section { position: relative; }

.section-num {
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.26em;
  color: var(--mute-2);
  margin-bottom: 1.5rem;
}
.section-head { margin-bottom: clamp(3rem, 7vw, 5rem); max-width: 60ch; }
.section-title {
  font-size: clamp(1.9rem, 4.6vw, 3.4rem);
  font-weight: 600; line-height: 1.07;
  letter-spacing: -0.03em;
  text-wrap: balance;
  margin-bottom: 1.1rem;
}
.section-sub {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--mute);
  max-width: 52ch;
}
.svc-label {
  font-family: var(--font-mono);
  font-size: 0.6rem; letter-spacing: 0.26em;
  color: var(--mute-2);
  margin-bottom: 0.9rem;
}

/* ---------- 12. MANIFIESTO ---------- */
.manifiesto {
  padding: clamp(5rem, 13vw, 9.5rem) 0;
  border-top: 1px solid var(--line);
  text-align: center;
}
.manifiesto .section-num { margin-bottom: 2.2rem; }
.manifiesto-text {
  margin-inline: auto;
  font-size: clamp(1.55rem, 4.4vw, 3rem);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.035em;
  text-wrap: balance;
  max-width: 17ch;
}
@media (min-width: 720px) { .manifiesto-text { max-width: 20ch; } }

.manifiesto-rule {
  display: block;
  width: 46px; height: 1px;
  margin: clamp(2rem, 4.5vw, 3rem) auto;
  background: var(--line);
  transform-origin: center;
}
.manifiesto-rule.is-visible { animation: ruleIn 0.9s var(--ease-out) both; }
@keyframes ruleIn {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.manifiesto-sub {
  margin-inline: auto;
  max-width: 52ch;
  font-size: clamp(0.98rem, 1.5vw, 1.1rem);
  line-height: 1.72;
  color: var(--mute);
  text-wrap: pretty;
  transition-delay: 0.1s;
}

/* ---------- 13. SERVICIOS ---------- */
.servicios { padding: clamp(4.5rem, 11vw, 8rem) 0; border-top: 1px solid var(--line); }

.svc-list { display: grid; gap: 0; }
.svc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  padding: clamp(2.2rem, 5vw, 3.4rem) 0;
  border-top: 1px solid var(--line);
}
.svc:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 900px) {
  .svc { grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr); gap: 3.5rem; }
}

.svc-head { display: flex; align-items: baseline; gap: 1.1rem; }
.svc-num {
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.14em;
  color: var(--mute-2);
  padding-top: 0.45rem;
}
.svc-title {
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  font-weight: 600; line-height: 1.05;
  letter-spacing: -0.03em;
}

/* Invertir color en hover (efecto firma del arquetipo) */
[data-invert] {
  display: inline;
  padding: 0.04em 0.14em;
  margin-inline: -0.14em;
  background-image: linear-gradient(var(--ink), var(--ink));
  background-size: 100% 0%;
  background-position: 50% 100%;
  background-repeat: no-repeat;
  transition: background-size 0.42s var(--ease), color 0.28s var(--ease);
}
[data-invert].is-hot { background-size: 100% 100%; color: var(--bg); }

.svc-lead {
  font-size: clamp(1.02rem, 1.5vw, 1.14rem);
  color: var(--mute);
  margin-bottom: 2rem;
  max-width: 54ch;
}
.svc-scope { display: grid; gap: 0.6rem; margin-bottom: 1.8rem; }
.svc-scope li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.945rem;
  color: #cbd5e1;
}
.svc-scope li::before {
  content: ""; position: absolute; left: 0; top: 0.72em;
  width: 9px; height: 1px; background: var(--mute-2);
}
.svc-stack {
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.1em;
  color: var(--mute-2);
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 14. PROYECTOS ---------- */
.proyectos { padding: clamp(4.5rem, 11vw, 8rem) 0; border-top: 1px solid var(--line); }

.proj { border-top: 1px solid var(--line); }
.proj:last-child { border-bottom: 1px solid var(--line); }

.proj-row {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "year name icon" ". kind kind";
  align-items: center;
  gap: 0.3rem 1.2rem;
  padding: clamp(1.5rem, 3.4vw, 2.3rem) 0;
  text-align: left;
}
@media (min-width: 860px) {
  .proj-row {
    grid-template-columns: 92px minmax(0, auto) 1fr auto;
    grid-template-areas: "year name kind icon";
    gap: 1.8rem;
  }
}
.proj-year {
  grid-area: year;
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.12em;
  color: var(--mute-2);
}
.proj-name {
  grid-area: name;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  font-weight: 600; line-height: 1.08;
  letter-spacing: -0.03em;
}

/* Logo del cliente en lugar del nombre */
.proj-name-logo { display: flex; align-items: center; min-width: 0; }
.proj-name-logo img {
  height: clamp(32px, 5.2vw, 52px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
  transition: transform 0.4s var(--ease), filter 0.4s var(--ease);
}
.proj-row:hover .proj-name-logo img,
.proj-row:focus-visible .proj-name-logo img {
  transform: translateY(-2px);
  filter: brightness(1.12) saturate(1.06);
}
.proj-kind {
  grid-area: kind;
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.1em;
  color: var(--mute);
}
@media (min-width: 860px) { .proj-kind { text-align: right; } }
.proj-icon {
  grid-area: icon;
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border: 1px solid var(--line);
  color: var(--mute);
  transition: transform 0.45s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.proj-row:hover .proj-icon { border-color: var(--ink); color: var(--ink); }
.proj.is-open .proj-icon { transform: rotate(45deg); border-color: var(--ink); color: var(--ink); }

.proj-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.6s var(--ease);
}
.proj.is-open .proj-panel { grid-template-rows: 1fr; }
.proj-panel-inner {
  overflow: hidden;
  display: grid; gap: 2rem;
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}
.proj.is-open .proj-panel-inner { opacity: 1; transition-delay: 0.12s; }
@media (min-width: 860px) {
  .proj-panel-inner { grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.7fr); gap: 3.5rem; }
}
.proj-desc { padding-bottom: 2.4rem; }
.proj-desc p { color: var(--mute); max-width: 62ch; margin-bottom: 1.6rem; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.proj-tags li {
  font-family: var(--font-mono);
  font-size: 0.62rem; letter-spacing: 0.1em;
  color: var(--mute);
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
}
.proj-side { padding-bottom: 2.4rem; display: grid; gap: 1.6rem; align-content: start; }
.proj-data { display: grid; gap: 0.85rem; }
.proj-data > div { display: grid; gap: 0.15rem; }
.proj-data dt {
  font-family: var(--font-mono);
  font-size: 0.58rem; letter-spacing: 0.22em;
  color: var(--mute-2);
  text-transform: uppercase;
}
.proj-data dd { font-size: 0.92rem; }
.proj-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.8rem; letter-spacing: 0.04em;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.3s var(--ease), gap 0.3s var(--ease);
}
.proj-link:hover { border-color: var(--ink); gap: 0.85rem; }
.proj-open-slot .proj-name { color: var(--mute); }

/* ---------- 15. PROCESO ---------- */
.proceso { padding: clamp(4.5rem, 11vw, 8rem) 0; border-top: 1px solid var(--line); }

.pasos {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 700px)  { .pasos { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1040px) { .pasos { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 880px)  { .pasos-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.paso {
  background: var(--bg);
  padding: clamp(1.8rem, 3.4vw, 2.4rem);
  display: grid; gap: 0.75rem; align-content: start;
  transition: background 0.4s var(--ease);
}
.paso:hover { background: var(--bg-3); }
.paso-num {
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.16em;
  color: var(--mute-2);
  margin-bottom: 1.6rem;
}
.paso h3 { font-size: 1.22rem; font-weight: 600; letter-spacing: -0.02em; }
.paso p { font-size: 0.93rem; color: var(--mute); }

.compromisos {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: 2.2rem;
  border-top: 1px solid var(--line);
}
.compromisos ul {
  display: grid; gap: 0.75rem;
}
@media (min-width: 860px) { .compromisos ul { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem 3rem; } }
.compromisos li {
  position: relative;
  padding-left: 1.7rem;
  font-size: 0.95rem;
  color: #cbd5e1;
}
.compromisos li::before {
  content: "";
  position: absolute; left: 0; top: 0.42em;
  width: 11px; height: 6px;
  border-left: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  transform: rotate(-45deg);
}

/* ---------- 16. CONTACTO ---------- */
.contacto {
  position: relative;
  padding: clamp(5rem, 13vw, 9rem) 0 clamp(4rem, 9vw, 6.5rem);
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.contacto-gradient {
  position: absolute; inset: -60% -10% -30% -10%;
  z-index: 0; pointer-events: none;
  background: radial-gradient(48% 42% at 50% 60%, rgba(148, 163, 184, 0.22), transparent 72%);
  filter: blur(90px);
}
.contacto .wrap { position: relative; z-index: 1; }
.contacto-title {
  font-size: clamp(1.9rem, 5vw, 3.6rem);
  font-weight: 600; line-height: 1.06;
  letter-spacing: -0.035em;
  text-wrap: balance;
  max-width: 18ch;
  margin-bottom: clamp(2.8rem, 7vw, 4.5rem);
}
.contacto-links {
  display: grid; gap: 0;
  border-top: 1px solid var(--line);
  margin-bottom: 2.8rem;
}
.big-link {
  display: grid; gap: 0.5rem;
  padding: clamp(1.6rem, 3.4vw, 2.2rem) 0;
  border-bottom: 1px solid var(--line);
}
.big-link-label {
  font-family: var(--font-mono);
  font-size: 0.6rem; letter-spacing: 0.26em;
  color: var(--mute-2);
}
.big-link-text {
  position: relative;
  display: inline-block;
  justify-self: start;
  font-size: clamp(1.35rem, 4.4vw, 2.9rem);
  font-weight: 500; line-height: 1.1;
  letter-spacing: -0.03em;
  word-break: break-word;
}
/* Subrayado animado — efecto firma */
.big-link-text::after {
  content: ""; position: absolute; left: 0; bottom: -0.08em;
  width: 100%; height: 1.5px;
  background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.55s var(--ease);
}
.big-link:hover .big-link-text::after,
.big-link:focus-visible .big-link-text::after { transform: scaleX(1); transform-origin: left; }

.contacto-foot {
  max-width: 50ch;
  color: var(--mute);
  font-size: 0.98rem;
}

/* ---------- 17. FOOTER ---------- */
.footer {
  padding: 2.6rem 0;
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 1.6rem;
}
.footer-brand { display: flex; align-items: center; gap: 0.75rem; }
.footer-brand span { display: grid; gap: 1px; }
.footer-brand strong { font-size: 0.76rem; font-weight: 600; letter-spacing: 0.17em; }
.footer-brand em {
  font-style: normal; font-family: var(--font-mono);
  font-size: 0.52rem; letter-spacing: 0.2em; color: var(--mute-2);
}
.footer-meta {
  display: grid; gap: 0.25rem; text-align: right;
  font-family: var(--font-mono);
  font-size: 0.64rem; letter-spacing: 0.1em;
  color: var(--mute-2);
}

/* ---------- 18. RESPONSIVE ---------- */
@media (max-width: 920px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-brand-text em { display: none; }
}
@media (max-width: 560px) {
  :root { --nav-h: 66px; }
  .hero-title { letter-spacing: -0.028em; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
  .hero-scroll { display: none; }
}

/* ---------- 19. REDUCED MOTION (solo lo intrusivo) ---------- */
/* Windows trae esta preferencia activa por defecto en muchos equipos:
   desactivamos ÚNICAMENTE lo que molesta, nunca las microinteracciones. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-meta .dot { animation: none; }
  .hero-scroll span { animation: none; }
  .splash-mark { animation: none; stroke-dasharray: none; }
  .grain { display: none; }
}

/* ---------- 20. IMPRESIÓN ---------- */
@media print {
  .nav, .menu, .cursor, .splash, .progress, .hero-scroll, .grain, .hero-gradient { display: none !important; }
  body { background: #fff; color: #000; }
  .reveal { opacity: 1 !important; transform: none !important; }
}