/* ============================================================
   Avefenix Software — Desarrollador de Procesos RPA e IA Agéntica
   Sistema de diseño: minimalismo técnico, oscuro por defecto
   Titulares: Instrument Serif · Interfaz: IBM Plex Sans · Datos: JetBrains Mono
   ============================================================ */

/* ---------- Variables de diseño ---------- */
:root {
  /* el tema oscuro es el predeterminado */
  --bg:            #0A0E14;
  --bg-alt:        #0D1219;
  --surface:       #121A24;
  --surface-2:     #172230;
  --line:          #1F2C3B;
  --line-strong:   #2C3D50;
  --text:          #E8EDF4;
  --text-soft:     #AFBDCE;
  --text-mut:      #7C8CA0;
  --accent:        #3DDC97;   /* primario — verde "proceso en ejecución" */
  --accent-ink:    #06301F;
  --accent-soft:   rgba(61, 220, 151, .12);
  --accent-line:   rgba(61, 220, 151, .38);
  --second:        #F0A868;   /* secundario — ámbar cálido */
  --second-soft:   rgba(240, 168, 104, .13);
  --danger:        #FF6B6B;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 12px 32px -12px rgba(0,0,0,.65);
  --shadow-lg: 0 32px 64px -24px rgba(0,0,0,.7);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  --shell: 1200px;
  --nav-h: 74px;

  --ease: cubic-bezier(.22,.61,.36,1);
  --t: 220ms var(--ease);

  --font-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-ui: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  color-scheme: dark;
}

[data-theme="light"] {
  --bg:            #FBFAF7;
  --bg-alt:        #F3F1EC;
  --surface:       #FFFFFF;
  --surface-2:     #F6F5F1;
  --line:          #E2DFD7;
  --line-strong:   #CFCBC0;
  --text:          #0F172A;
  --text-soft:     #33415A;
  --text-mut:      #5C6B80;
  --accent:        #0E9F6E;
  --accent-ink:    #FFFFFF;
  --accent-soft:   rgba(14, 159, 110, .10);
  --accent-line:   rgba(14, 159, 110, .35);
  --second:        #B4622A;
  --second-soft:   rgba(180, 98, 42, .10);
  --danger:        #C42B2B;

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 12px 30px -14px rgba(15,23,42,.22);
  --shadow-lg: 0 30px 60px -28px rgba(15,23,42,.28);

  color-scheme: light;
}

/* ---------- Reinicio de estilos ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  /* La barra es fija: sin esto, los saltos de ancla dejan el título tapado debajo. */
  scroll-padding-top: calc(var(--nav-h) + 28px);
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 350;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 300ms var(--ease), color 300ms var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; padding: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--accent-ink);
  padding: .75rem 1.25rem; border-radius: 0 0 var(--r-sm) 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

.shell { width: 100%; max-width: var(--shell); margin-inline: auto; padding-inline: 24px; }

/* ---------- Tipografía base ---------- */
h1, h2, h3 { font-weight: 400; line-height: 1.1; letter-spacing: -.01em; }
h1, h2 { font-family: var(--font-display); }
h3 { font-family: var(--font-ui); font-weight: 550; letter-spacing: -.005em; line-height: 1.3; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-mut);
  display: inline-flex; align-items: center; gap: .6rem;
}
.pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-line);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 var(--accent-line); }
  70%  { box-shadow: 0 0 0 9px rgba(61,220,151,0); }
  100% { box-shadow: 0 0 0 0 rgba(61,220,151,0); }
}

/* ---------- Botones ---------- */
.btn {
  --btn-bg: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 48px;
  padding: .8rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .95rem; font-weight: 550; letter-spacing: .005em;
  text-decoration: none;
  cursor: pointer;
  background: var(--btn-bg);
  transition: background-color var(--t), border-color var(--t), color var(--t), transform var(--t), box-shadow var(--t);
}
.btn svg { width: 17px; height: 17px; }
.btn--primary { --btn-bg: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px -10px var(--accent-line); filter: brightness(1.06); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px;
  border: 1px solid var(--line); border-radius: 12px;
  background: transparent; cursor: pointer;
  color: var(--text-soft);
  transition: color var(--t), border-color var(--t), background-color var(--t);
}
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); background: var(--surface-2); }
.icon-btn svg { width: 19px; height: 19px; }
.icon-sun { display: none; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }

/* ---------- Navegación ---------- */
.nav {
  position: fixed; z-index: 100;
  top: 16px; left: 16px; right: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  transition: box-shadow var(--t), border-color var(--t), background-color var(--t);
}
.nav.is-stuck { box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.nav__inner {
  display: flex; align-items: center; gap: 1.25rem;
  max-width: var(--shell); margin-inline: auto;
  padding: 11px 14px 11px 18px;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; margin-right: auto; }
.brand__mark {
  display: grid; place-items: center; width: 32px; height: 32px;
  border-radius: 9px; background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--accent-line);
}
.brand__mark svg { width: 19px; height: 19px; }
.brand__text { font-family: var(--font-display); font-size: 1.22rem; letter-spacing: .01em; }

.nav__links { display: flex; gap: .35rem; }
.nav__links a {
  position: relative;
  padding: .5rem .8rem; border-radius: 999px;
  font-size: .93rem; color: var(--text-soft); text-decoration: none;
  transition: color var(--t), background-color var(--t);
}
.nav__links a:hover { color: var(--text); background: var(--surface-2); }
.nav__links a.is-active { color: var(--accent); }
.nav__actions { display: flex; align-items: center; gap: .5rem; }
.nav__burger { display: none; }

.nav__mobile {
  display: grid; gap: .1rem;
  padding: .5rem .75rem 1rem;
  border-top: 1px solid var(--line);
}
/* Un selector de clase gana a [hidden] del navegador: hay que reponerlo a mano. */
.nav__mobile[hidden] { display: none; }
.nav__mobile a {
  padding: .85rem .75rem; border-radius: 10px;
  text-decoration: none; color: var(--text-soft); font-size: 1.02rem;
  transition: background-color var(--t), color var(--t);
}
.nav__mobile a:hover { background: var(--surface-2); color: var(--text); }
.nav__mobile-cta { color: var(--accent) !important; font-weight: 600; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: calc(var(--nav-h) + 72px); padding-bottom: 84px; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 68px 68px;
  opacity: .5;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 78%);
}
.hero__glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.hero__glow--a { width: 520px; height: 520px; top: -180px; left: -80px; background: var(--accent-soft); }
.hero__glow--b { width: 460px; height: 460px; top: 40px; right: -140px; background: var(--second-soft); }

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding-bottom: 72px;
}
.hero__title {
  font-size: clamp(2.9rem, 7.2vw, 5.4rem);
  line-height: 1.02;
  margin: 1.1rem 0 1.5rem;
  letter-spacing: -.02em;
}
.hero__title em {
  font-style: italic;
  color: var(--accent);
  position: relative;
}
.hero__lede {
  font-size: clamp(1.02rem, 1.35vw, 1.16rem);
  color: var(--text-soft);
  max-width: 56ch;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem;
  margin-top: 2.4rem; padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .04em;
  color: var(--text-mut);
}

/* panel de terminal */
.panel {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-4deg) rotateX(2deg);
  transition: transform 500ms var(--ease);
}
.panel:hover { transform: perspective(1400px) rotateY(0deg) rotateX(0deg); }
.panel__bar {
  display: flex; align-items: center; gap: .4rem;
  padding: .7rem .9rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot--red { background: #FF5F57; } .dot--amber { background: #FEBC2E; } .dot--green { background: #28C840; }
.panel__file {
  margin-left: .6rem; font-family: var(--font-mono);
  font-size: .72rem; color: var(--text-mut);
}
.panel__body {
  margin: 0; padding: 1.1rem;
  font-family: var(--font-mono); font-size: .74rem; line-height: 2;
  overflow-x: auto;
}
.panel__body code { white-space: pre; }
.c-mut { color: var(--text-mut); }
.c-ok { color: var(--accent); }
.c-acc { color: #6FA8FF; }
.c-warn { color: var(--second); }

/* métricas */
.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.metric { background: var(--bg); padding: 1.5rem 1.4rem; }
.metric dt {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-mut); margin-bottom: .45rem;
}
.metric dd {
  margin: 0; font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 2.9rem); line-height: 1; color: var(--text);
}
.metric__suffix { color: var(--accent); }

/* ---------- Secciones ---------- */
.section { padding: clamp(72px, 10vw, 128px) 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section__head { max-width: 62ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__title {
  font-size: clamp(2.1rem, 4.4vw, 3.35rem);
  margin: .8rem 0 1rem;
  letter-spacing: -.02em;
}
.section__lede { color: var(--text-soft); font-size: 1.06rem; max-width: 60ch; }

/* ---------- Proyectos ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.card {
  display: flex; flex-direction: column;
  padding: clamp(1.5rem, 2.6vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  position: relative;
  overflow: hidden;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.card::after {
  content: ""; position: absolute; inset: 0 auto auto 0;
  height: 2px; width: 0; background: var(--accent);
  transition: width 420ms var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow-md); }
.card:hover::after { width: 100%; }
.card--wide { grid-column: span 2; }
.card__top { display: flex; align-items: center; gap: .9rem; margin-bottom: 1.1rem; }
.card__idx {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em;
  color: var(--text-mut);
}
.chip {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .6rem; border-radius: 6px;
  border: 1px solid var(--line-strong); color: var(--text-mut);
}
.chip--accent { border-color: var(--accent-line); color: var(--accent); background: var(--accent-soft); }
.card__title { font-size: clamp(1.25rem, 2vw, 1.55rem); margin-bottom: .7rem; }
.card__text { color: var(--text-soft); font-size: .99rem; }
.card__stats {
  display: flex; flex-wrap: wrap; gap: 1.8rem;
  margin: 1.6rem 0 1.3rem; padding-top: 1.3rem;
  border-top: 1px solid var(--line);
}
.card__stats li { display: flex; flex-direction: column; }
.card__stats strong {
  font-family: var(--font-display); font-weight: 400;
  font-size: 1.75rem; line-height: 1.1; color: var(--accent);
}
.card__stats span {
  font-family: var(--font-mono); font-size: .67rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-mut); margin-top: .2rem;
}
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; }
.tags li {
  font-family: var(--font-mono); font-size: .7rem;
  padding: .3rem .55rem; border-radius: 5px;
  background: var(--surface-2); color: var(--text-mut);
  border: 1px solid var(--line);
}

/* ---------- Capacidades ---------- */
.cap-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
.cap {
  padding: clamp(1.6rem, 2.6vw, 2.3rem);
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--t), transform var(--t);
}
.cap:hover { border-color: var(--accent-line); transform: translateY(-3px); }
.cap__icon {
  display: grid; place-items: center; width: 46px; height: 46px;
  border-radius: 12px; background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--accent-line); margin-bottom: 1.2rem;
}
.cap__icon svg { width: 23px; height: 23px; }
.cap h3 { font-size: 1.3rem; margin-bottom: .6rem; }
.cap p { color: var(--text-soft); font-size: .99rem; }
.cap__list { margin-top: 1.3rem; padding-top: 1.2rem; border-top: 1px solid var(--line); display: grid; gap: .55rem; }
.cap__list li {
  position: relative; padding-left: 1.35rem;
  font-family: var(--font-mono); font-size: .8rem; line-height: 1.6; color: var(--text-mut);
}
.cap__list li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 7px; height: 1.5px; background: var(--accent);
}

/* ---------- Stack ---------- */
.stack-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; }
.stack-col { background: var(--bg); padding: 1.8rem 1.5rem; }
.stack-col__title {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1.1rem;
}
.stack-list { display: grid; gap: .7rem; }
.stack-list li {
  font-size: .95rem; color: var(--text-soft);
  padding-bottom: .7rem; border-bottom: 1px solid var(--line);
}
.stack-list li:last-child { border-bottom: 0; padding-bottom: 0; }

/* ---------- Método ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 2.2rem; border-top: 1px solid var(--line-strong); }
.step::before {
  content: ""; position: absolute; top: -1px; left: 0; width: 34px; height: 3px;
  background: var(--accent); transform: translateY(-1px);
}
.step__num {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em;
  color: var(--accent); display: block; margin-bottom: .7rem;
}
.step h3 { font-size: 1.18rem; margin-bottom: .55rem; }
.step p { color: var(--text-soft); font-size: .95rem; }

/* ---------- Sobre mí ---------- */
.about { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about__copy p { color: var(--text-soft); margin-bottom: 1.1rem; max-width: 62ch; }
.about__copy .section__title { margin-top: .8rem; }
.about__facts { margin-top: 2rem; display: grid; gap: .8rem; }
.about__facts li {
  display: flex; flex-wrap: wrap; gap: .8rem;
  padding-bottom: .8rem; border-bottom: 1px solid var(--line);
  font-size: .93rem;
}
.about__facts span {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-mut); min-width: 110px;
}
.about__side { display: grid; gap: 20px; position: sticky; top: calc(var(--nav-h) + 24px); }
.quote {
  padding: 1.8rem; border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
}
.quote p { font-family: var(--font-display); font-size: 1.28rem; line-height: 1.4; }
.quote footer { margin-top: 1rem; font-family: var(--font-mono); font-size: .72rem; color: var(--text-mut); }
.certs { padding: 1.8rem; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--surface); }
.certs h3 { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.certs ul { display: grid; gap: .8rem; }
.certs li { font-size: .92rem; color: var(--text-soft); padding-bottom: .8rem; border-bottom: 1px solid var(--line); }
.certs li:last-child { border-bottom: 0; padding-bottom: 0; }

/* ---------- Contacto ---------- */
.section--contact { background: var(--bg-alt); border-top: 1px solid var(--line); }
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.contact__direct { margin-top: 2.2rem; display: grid; gap: 1rem; }
.contact__direct li { display: flex; align-items: center; gap: .8rem; }
.contact__direct svg { width: 19px; height: 19px; color: var(--accent); flex: none; }
.contact__direct a {
  text-decoration: none; color: var(--text-soft);
  border-bottom: 1px solid transparent;
  transition: color var(--t), border-color var(--t);
}
.contact__direct a:hover { color: var(--accent); border-color: var(--accent-line); }

.form {
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--surface); box-shadow: var(--shadow-md);
  display: grid; gap: 1.15rem;
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.field { display: grid; gap: .4rem; }
.field label {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .11em;
  text-transform: uppercase; color: var(--text-mut);
}
.field label span { color: var(--accent); }
.field input, .field textarea, .field select {
  width: 100%;
  min-height: 48px;
  padding: .75rem .9rem;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-size: 1rem;
  transition: border-color var(--t), box-shadow var(--t), background-color var(--t);
}
.field textarea { resize: vertical; min-height: 130px; line-height: 1.6; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-mut); opacity: .75; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--danger); }
.field__err { font-size: .82rem; color: var(--danger); min-height: 0; }
.field__err:empty { display: none; }
.field__hint { font-size: .82rem; color: var(--text-mut); }

.select-wrap { position: relative; }
.select-wrap select { appearance: none; -webkit-appearance: none; padding-right: 2.6rem; cursor: pointer; }
.select-wrap svg {
  position: absolute; right: .9rem; top: 50%; transform: translateY(-50%);
  width: 17px; height: 17px; color: var(--text-mut); pointer-events: none;
}

.spinner {
  display: none; width: 16px; height: 16px;
  border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn.is-loading .spinner { display: block; }

.form__status { font-size: .93rem; }
.form__status:empty { display: none; }
.form__status.is-ok { color: var(--accent); }
.form__status.is-err { color: var(--danger); }
.form__fine { font-size: .82rem; color: var(--text-mut); }

/* ---------- Pie de página ---------- */
.footer { border-top: 1px solid var(--line); padding: 2.6rem 0; background: var(--bg); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: baseline; gap: .6rem 2rem; }
.footer__brand { font-family: var(--font-display); font-size: 1.3rem; }
.footer__note, .footer__copy { font-family: var(--font-mono); font-size: .72rem; color: var(--text-mut); }
.footer__copy { margin-left: auto; }

/* ---------- Animación de aparición ---------- */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}

/* ---------- Adaptación a pantallas ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__panel { max-width: 560px; }
  .panel { transform: none; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .stack-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .about, .contact { grid-template-columns: 1fr; }
  .about__side { position: static; }
}

/* Red de seguridad: el cajón de móvil nunca debe verse en escritorio,
   aunque quedara abierto al ensanchar la ventana. */
@media (min-width: 861px) {
  .nav__mobile { display: none; }
}

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: inline-grid; }
  .work-grid { grid-template-columns: 1fr; }
  .card--wide { grid-column: auto; }
  .cap-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .shell { padding-inline: 18px; }
  .nav { top: 10px; left: 10px; right: 10px; }
  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .hero__title { font-size: clamp(2.4rem, 11vw, 3.2rem); }
  .metrics { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .card__stats { gap: 1.2rem; }
  .footer__copy { margin-left: 0; }
}

/* ---------- Preferencias de movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .panel { transform: none; }
}

/* ---------- Impresión ---------- */
@media print {
  .nav, .hero__bg, .form, .footer { display: none; }
  body { background: #fff; color: #000; }
  .reveal { opacity: 1; transform: none; }
}