/* Jazartec — estilos de la web corporativa */

:root {
  --green: #1E7A45;
  --green-hover: #186138;
  --green-light: #4ADE80;
  --green-dark: #0F2A1D;
  --green-tint: #E8F3EC;
  --text: #14201A;
  --text-2: #4A5751;
  --text-3: #6B7872;
  --bg: #FFFFFF;
  --bg-alt: #F2F5F3;
  --border: #DDE4E0;
  --border-strong: #7D8B84;
  --on-dark: #C5D3CB;

  --font: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --container: 1160px;
  --gutter: 16px;
  --header-h: 64px;
  --radius: 6px;
  --section-y: 72px;
}

@media (min-width: 768px) {
  :root { --gutter: 32px; --header-h: 76px; --section-y: 104px; }
}
@media (min-width: 1100px) {
  :root { --section-y: 128px; }
}

/* ---------------------------------------------------------------- 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;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3 {
  margin: 0;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.018em;
  text-wrap: balance;
}

p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }

a {
  color: var(--green);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
a:hover { color: var(--green-hover); }

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

::selection { background: var(--green-tint); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container.narrow { max-width: 760px; }

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--text);
  color: #fff;
  border-radius: var(--radius);
}
.skip:focus { left: 16px; color: #fff; }

.icon { flex: none; }

/* Marcadores de datos pendientes: [ASÍ] */
mark.todo {
  background: #FFF1B8;
  color: #4D3B00;
  padding: 0 0.25em;
  border-radius: 3px;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.85em;
  letter-spacing: 0;
  text-transform: none;
}

/* ---------------------------------------------------------------- piezas */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.xic { color: var(--green); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 12px 22px;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-hover); color: #fff; }
.btn-secondary { background: #fff; border-color: var(--border-strong); color: var(--text); }
.btn-secondary:hover { border-color: var(--green); color: var(--green); }
.btn-block { width: 100%; }
.btn .icon { width: 18px; height: 18px; }
.btn-primary .icon { transition: transform .15s ease; }
.btn-primary:hover .icon { transform: translateX(2px); }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
@media (min-width: 768px) { .card { padding: 32px; } }

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--green-tint);
  color: var(--green);
}

.cards { display: grid; gap: 16px; }
@media (min-width: 760px) {
  .cards { gap: 24px; }
  .cards-2 { grid-template-columns: repeat(2, 1fr); }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1040px) { .cards-3 { grid-template-columns: repeat(3, 1fr); } }

.fineprint { margin-top: 24px; color: var(--text-3); font-size: 0.875rem; }

/* Separador "rung": raíl, cable, contacto y raíl, como en el logotipo */
.rung {
  display: flex;
  align-items: center;
  height: 22px;
}
.rung-rail { width: 2px; height: 22px; background: var(--border); }
.rung-wire { flex: 1; height: 1.5px; background: var(--border); }
.rung-contact {
  width: 16px;
  height: 18px;
  margin-inline: 2px;
  border-inline: 2px solid var(--green);
}

/* ---------------------------------------------------------------- cabecera */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--border);
}
@supports (backdrop-filter: blur(8px)) {
  .site-header { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(8px); }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
}

.brand { display: block; margin-left: -6px; }
.brand img { width: auto; height: 40px; }
@media (min-width: 768px) { .brand img { height: 48px; } }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  padding: 8px 14px;
  border-radius: 4px;
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}
.nav a:hover { color: var(--green); background: var(--bg-alt); }

.header-tools { display: flex; align-items: center; gap: 8px; }

.lang {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.lang a, .lang span {
  display: grid;
  place-items: center;
  min-width: 36px;
  min-height: 30px;
  padding: 0 6px;
  border-radius: 4px;
  text-decoration: none;
}
.lang span { background: var(--green-dark); color: #fff; }
.lang a { color: var(--text-2); }
.lang a:hover { color: var(--green); background: var(--bg-alt); }

.nav-toggle {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: none;
  color: var(--text);
  cursor: pointer;
}
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 879px) {
  .js .nav-toggle { display: grid; }
  .js .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--gutter) 20px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 24px -16px rgba(15, 42, 29, 0.18);
  }
  .js .nav.is-open { display: flex; }
  .js .nav a {
    padding: 14px 4px;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
    font-size: 1.0625rem;
  }
  .js .nav a:last-child { border-bottom: 0; }
  .js .nav a:hover { background: none; }
  .no-js .nav { display: none; }
}

/* ---------------------------------------------------------------- hero */

.hero { padding: 48px 0 64px; overflow: hidden; }
@media (min-width: 768px) { .hero { padding: 88px 0 104px; } }

.hero-grid { display: grid; gap: 56px; align-items: center; }
@media (min-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 64px; }
}

.hero h1 {
  margin-top: 20px;
  max-width: 18ch;
  font-size: clamp(2.125rem, 1.35rem + 3.3vw, 3.5rem);
  letter-spacing: -0.025em;
}
.lead {
  margin-top: 22px;
  max-width: 36em;
  color: var(--text-2);
  font-size: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  line-height: 1.55;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
@media (max-width: 479px) { .actions .btn { width: 100%; } }

.hero-meta {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 28px;
  color: var(--text-3);
  font-size: 0.9375rem;
}
.hero-meta .icon { margin-top: 4px; color: var(--green); }

/* Ilustración ladder en modo online */
.ladder {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(20, 32, 26, 0.03), 0 24px 48px -28px rgba(15, 42, 29, 0.28);
  overflow: hidden;
}
.ladder-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text-3);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.75rem;
}
.ladder-status { display: inline-flex; align-items: center; gap: 7px; color: var(--green); }
.ladder-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.ladder svg { width: 100%; height: auto; padding: 8px 12px 12px; }

.lad-rail { stroke: var(--text); stroke-width: 2.5; fill: none; }
.lad-wire { stroke: #A9B5AF; stroke-width: 1.5; fill: none; }
.lad-num { fill: var(--text-3); font-family: var(--mono); font-size: 12px; font-weight: 600; }
.lad-tag { fill: var(--text-2); font-family: var(--mono); font-size: 12.5px; font-weight: 600; }
.lad-ins { stroke: var(--green); stroke-width: 2.5; fill: none; }
.lad-hl { fill: var(--green); opacity: 0.1; }

/* Al cargar, cada instrucción "se cumple" en orden de escaneo, una sola vez */
@media (prefers-reduced-motion: no-preference) {
  .lad-el .lad-ins { animation: lad-ins 0.4s ease-out both; animation-delay: calc(var(--d) + 300ms); }
  .lad-el .lad-hl { animation: lad-hl 0.4s ease-out both; animation-delay: calc(var(--d) + 300ms); }
}
@keyframes lad-ins { from { stroke: var(--text-2); } to { stroke: var(--green); } }
@keyframes lad-hl { from { opacity: 0; } to { opacity: 0.1; } }

@media (max-width: 599px) {
  .ladder { display: none; }
}

/* ---------------------------------------------------------------- cifras */

.stats { background: var(--green-dark); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 860px) { .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.stat {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 10px;
  padding: 28px 16px 28px 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}
.stat:nth-child(odd) { padding-left: 0; border-left: 0; }
@media (max-width: 859px) {
  .stat:nth-child(n + 3) { border-top: 1px solid rgba(255, 255, 255, 0.14); }
}
@media (min-width: 860px) {
  .stat { padding: 40px 24px; }
  .stat:nth-child(odd) { padding-left: 24px; border-left: 1px solid rgba(255, 255, 255, 0.14); }
  .stat:first-child { padding-left: 0; border-left: 0; }
}
.stat-value {
  color: var(--green-light);
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.375rem);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-value.is-text { font-size: clamp(1.125rem, 0.95rem + 0.8vw, 1.5rem); line-height: 1.3; letter-spacing: 0; }
.stat-label { color: var(--on-dark); font-size: 0.9375rem; line-height: 1.35; }

/* ---------------------------------------------------------------- secciones */

.section { padding-block: var(--section-y); }
.section-alt { background: var(--bg-alt); }
.section-alt .card { border-color: #D3DBD7; }

.section-head { max-width: 740px; margin-bottom: 44px; }
@media (min-width: 768px) { .section-head { margin-bottom: 56px; } }
.section-head h2 {
  margin-top: 16px;
  font-size: clamp(1.75rem, 1.3rem + 1.9vw, 2.625rem);
  letter-spacing: -0.022em;
}
.section-intro { margin-top: 18px; color: var(--text-2); font-size: 1.125rem; }

/* Servicios */
.card-top { display: flex; align-items: flex-start; justify-content: space-between; }
.card-num { color: var(--text-3); font-family: var(--mono); font-weight: 600; font-size: 0.8125rem; }
.service h3 { margin-top: 20px; font-size: 1.3125rem; }
.tasks { display: grid; gap: 12px; margin-top: 20px; }
.tasks li { display: grid; grid-template-columns: 18px 1fr; gap: 12px; color: var(--text-2); }
.tick { margin-top: 4px; color: var(--green); }

/* Tecnologías: ficha técnica */
.spec { border-top: 1px solid #CDD6D1; }
.spec-row {
  display: grid;
  gap: 6px 32px;
  padding: 24px 0;
  border-bottom: 1px solid #CDD6D1;
}
@media (min-width: 820px) {
  .spec-row { grid-template-columns: 120px minmax(0, 1fr) minmax(0, 1.25fr); align-items: baseline; padding: 30px 0; }
}
.spec-tag {
  color: var(--green);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.spec-name { font-size: 1.25rem; }
.spec-desc { color: var(--text-2); }

/* Sectores */
.sector { display: grid; gap: 20px; }
@media (min-width: 560px) { .sector { grid-template-columns: auto 1fr; gap: 24px; } }
.sector h3 { font-size: 1.3125rem; }
.sector p { margin-top: 10px; color: var(--text-2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--text);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.8125rem;
}

/* Por qué */
.why-grid { display: grid; gap: 0 48px; }
@media (min-width: 760px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
.why-item { padding: 28px 0 32px; border-top: 1px solid var(--border); }
.why-num { color: var(--green); font-family: var(--mono); font-weight: 600; font-size: 0.875rem; }
.why-item h3 { margin-top: 12px; font-size: 1.25rem; }
.why-item p { margin-top: 10px; color: var(--text-2); max-width: 34em; }

/* Casos */
.case-context {
  color: var(--green);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.case dl { display: grid; gap: 6px; margin-top: 18px; }
.case dt { margin-top: 10px; font-weight: 600; font-size: 0.9375rem; }
.case dd { color: var(--text-2); }

/* Sobre mí */
.about-grid { display: block; }
.about-copy { display: flow-root; max-width: 1040px; }
.about-photo { max-width: 240px; margin: 0 0 28px; }
@media (min-width: 640px) { .about-photo { float: right; width: 38%; max-width: 360px; margin: 6px 0 24px 48px; } }
.about-copy .prose { display: block; max-width: none; }
.about-copy .prose p + p { margin-top: 1em; }
.about-copy .link-arrow { margin-top: 28px; }
.about-photo img, .photo-placeholder {
  height: auto;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 10px;
  object-fit: cover;
}
.photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: #fff;
  border: 1px dashed var(--border-strong);
}
.initials { color: var(--green); font-family: var(--mono); font-weight: 600; font-size: 3.5rem; line-height: 1; }
.about-copy h2 { margin-top: 16px; font-size: clamp(1.75rem, 1.3rem + 1.9vw, 2.625rem); }
.about-role { margin-top: 10px; color: var(--text-2); font-size: 1.125rem; font-weight: 500; }
.prose { display: grid; gap: 1em; margin-top: 28px; max-width: 40em; }
.prose p { color: var(--text-2); }
.about-copy .prose p:first-child { color: var(--text); font-size: 1.1875rem; }
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin-top: 28px;
  font-weight: 600;
  text-decoration: none;
}
.link-arrow span { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }

/* Contacto */
.section-contact { border-top: 1px solid var(--border); }
.contact-grid { display: grid; gap: 48px; align-items: start; }
@media (min-width: 980px) { .contact-grid { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 72px; } }
.contact-info .section-head { margin-bottom: 36px; }

.contact-email {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-block: 1px solid var(--border);
}
.contact-email-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.contact-email a {
  font-size: clamp(1.375rem, 1.05rem + 1.4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
  overflow-wrap: anywhere;
  text-decoration: none;
}
.contact-email a:hover { text-decoration: underline; }

.channels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 24px 0 12px; }
.channel {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  height: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color .15s ease, color .15s ease;
}
.channel:hover { border-color: var(--green); color: var(--green); }
.channel-icon { color: var(--green); }
@media (max-width: 379px) { .channels { grid-template-columns: 1fr; } }

.form { display: grid; gap: 20px; }
@media (min-width: 768px) { .form { padding: 36px; } }
.form-title { font-size: 1.3125rem; }
.field-row { display: grid; gap: 20px; }
@media (min-width: 600px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-weight: 500; font-size: 0.9375rem; }
.field input, .field textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}
.field textarea { resize: vertical; min-height: 150px; }
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--green);
  outline-offset: -1px;
  border-color: var(--green);
}
.hint { color: var(--text-3); font-size: 0.875rem; }
.check {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 0.9375rem;
  cursor: pointer;
}
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--green); cursor: pointer; }
.form .btn { justify-self: start; }
@media (max-width: 479px) { .form .btn { justify-self: stretch; } }
.form-legal { color: var(--text-3); font-size: 0.8125rem; line-height: 1.5; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------------------------------------------------------------- pie */

.site-footer {
  padding: 64px 0 28px;
  background: var(--green-dark);
  color: var(--on-dark);
  font-size: 0.9375rem;
}
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--green-light); }
.footer-top { display: grid; gap: 32px; padding-bottom: 40px; }
@media (min-width: 760px) { .footer-top { grid-template-columns: auto 1fr; gap: 64px; align-items: center; } }
.footer-logo img { width: 220px; height: auto; margin-left: -8px; }
.footer-data { display: grid; gap: 4px; }
@media (min-width: 760px) { .footer-data { justify-self: end; text-align: right; } }
.footer-data strong { color: #fff; font-weight: 600; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.875rem;
}
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.site-footer mark.todo { font-size: 0.8em; }

/* ---------------------------------------------------------------- páginas interiores */

.page { padding-block: 56px 96px; }
@media (min-width: 768px) { .page { padding-block: 88px 128px; } }
.page h1 { margin-top: 16px; font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem); }
.updated { margin-top: 12px; color: var(--text-3); font-size: 0.9375rem; }
.legal { margin-top: 40px; gap: 0; max-width: none; }
.legal section { padding: 28px 0; border-top: 1px solid var(--border); }
.legal h2 { font-size: 1.25rem; margin-bottom: 12px; }
.legal p + p { margin-top: 12px; }
.legal p { color: var(--text-2); }
.legal strong { color: var(--text); font-weight: 600; }

.page-center { text-align: center; }
.page-center .narrow { display: grid; justify-items: center; gap: 0; }
.page-center .lead { margin-inline: auto; }
.page-center .btn { margin-top: 32px; }
.done-mark {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green-tint);
  color: var(--green);
}
.code-404 { color: var(--green); font-family: var(--mono); font-weight: 600; font-size: 1rem; letter-spacing: 0.1em; }
.alt-lang { margin-top: 28px; color: var(--text-3); font-size: 0.9375rem; }