/* =========================================================
   AGOSAN - Hoja de estilos principal
   Índice:
   1. Fuentes            8. Servicios (etiquetas)
   2. Variables (tokens) 9. Nosotros + proceso
   3. Base               10. Procedimientos (pestañas)
   4. Utilidades         11. Preguntas frecuentes
   5. Botones            12. Contacto
   6. Cabecera y menú    13. Pie + botón de llamada
   7. Hero + manómetros  14. Ventanas (dialog)
                         15. Animación de entrada
                         16. Movimiento reducido
   ========================================================= */

/* ---------- 1. Fuentes (alojadas en /assets/fonts) ---------- */
@font-face {
  font-family: "Big Shoulders";
  src: url("../assets/fonts/big-shoulders.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("../assets/fonts/archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("../assets/fonts/plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

/* ---------- 2. Variables: cambia aquí colores, fuentes y medidas ---------- */
:root {
  /* Colores */
  --ink: #12100E;          /* fondo principal (carbón) */
  --ink-2: #1B1815;        /* superficies */
  --ink-3: #2A2621;        /* líneas y pistas */
  --bone: #EDE6DA;         /* texto principal / papel de etiqueta */
  --bone-dim: #A89F92;     /* texto secundario */
  --red: #D7261E;          /* rojo extintor (solo tamaños grandes/decoración) */
  --red-text: #FF5A4A;     /* rojo legible para texto pequeño sobre fondo oscuro */
  --red-deep: #B3180F;     /* fondo del bloque de contacto */
  --hivis: #D6F23A;        /* amarillo alta visibilidad: acción principal */
  --green: #1F5A3A;        /* verde del logo */

  /* Tipografía */
  --font-display: "Big Shoulders", "Arial Narrow", sans-serif;
  --font-body: "Archivo", system-ui, sans-serif;
  --font-mono: "Plex Mono", ui-monospace, monospace;

  /* Medidas */
  --wrap: 1320px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 68px;
  --section-y: clamp(72px, 10vw, 140px);

  /* Movimiento */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-back: cubic-bezier(0.34, 1.56, 0.64, 1); /* ligero rebote (easings.net easeOutBack) */

  color-scheme: dark;
}

/* ---------- 3. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: clip;
}

/* Bloquea el scroll de fondo cuando hay una ventana abierta */
html:has(dialog[open]) { overflow: hidden; }

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

h1, h2, h3, h4, h5 { margin: 0; line-height: 1.05; font-weight: 800; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }
address { font-style: normal; }
button { font: inherit; color: inherit; cursor: pointer; }

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

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

/* ---------- 4. Utilidades ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--hivis);
  color: var(--ink);
  font-weight: 700;
}
.skip-link:focus { top: 12px; }

.icon {
  width: 1.25em; height: 1.25em;
  flex: none;
}

.section { padding-block: var(--section-y); }

.section-head { max-width: 62ch; margin-bottom: clamp(48px, 6vw, 80px); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6.5vw, 5.5rem);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.section-lead {
  color: var(--bone-dim);
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  max-width: 60ch;
}

/* Cinta de peligro amarilla y negra */
.hazard {
  display: block;
  height: 14px;
  background: repeating-linear-gradient(-45deg, var(--hivis) 0 14px, var(--ink) 14px 28px);
}

/* ---------- 5. Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 140ms var(--ease-out), background-color 200ms ease, color 200ms ease;
}
.btn:active { transform: translateY(1px) scale(0.98); }
.btn .icon { transition: transform 200ms var(--ease-out); }

.btn--hivis { background: var(--hivis); color: var(--ink); }
.btn--ghost { background: transparent; color: var(--bone); box-shadow: inset 0 0 0 2px var(--bone); }
.btn--dark  { background: var(--ink); color: var(--bone); }
.btn--sm    { min-height: 44px; padding: 0 16px; font-size: 1.0625rem; }
.btn--block { width: 100%; }

@media (hover: hover) and (pointer: fine) {
  .btn--hivis:hover { background: var(--bone); }
  .btn--ghost:hover { background: var(--bone); color: var(--ink); }
  .btn--dark:hover  { background: var(--red-deep); }
  .btn:hover .icon  { transform: translateX(3px); }
}

/* ---------- 6. Cabecera y menú ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  background: rgb(18 16 14 / 0.94);
  backdrop-filter: blur(8px);
  transition: box-shadow 200ms ease;
}
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--ink-3); }

.site-header__bar {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.brand img { width: 40px; height: 40px; }

.site-nav { margin-left: auto; }
.site-nav ul { display: flex; gap: 4px; }
.site-nav a {
  position: relative;
  display: block;
  padding: 10px 14px;
  color: var(--bone-dim);
  text-decoration: none;
  font-weight: 600;
  transition: color 200ms ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 250ms var(--ease-out);
}
.site-nav a[aria-current="true"] { color: var(--bone); }
.site-nav a[aria-current="true"]::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover { color: var(--bone); }
  .site-nav a:hover::after { transform: scaleX(1); }
}

.menu-toggle {
  display: none;
  width: 48px; height: 48px;
  place-items: center;
  margin-left: auto;
  background: none;
  border: 0;
}
.menu-toggle .icon { width: 28px; height: 28px; }
.menu-toggle .icon--close { display: none; }
.menu-toggle[aria-expanded="true"] .icon--open { display: none; }
.menu-toggle[aria-expanded="true"] .icon--close { display: block; }

@media (max-width: 899px) {
  .menu-toggle { display: grid; }
  .site-header__call { display: none; }
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: var(--ink);
    border-bottom: 1px solid var(--ink-3);
    padding: 12px var(--gutter) 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out), visibility 0s linear 200ms;
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out), visibility 0s;
  }
  .site-nav ul { flex-direction: column; }
  .site-nav a {
    padding: 14px 0;
    font-family: var(--font-display);
    font-size: 2rem;
    text-transform: uppercase;
    color: var(--bone);
  }
  .site-nav a::after { left: 0; right: auto; width: 48px; }
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  padding-top: calc(var(--header-h) + clamp(32px, 6vh, 72px));
  padding-bottom: clamp(48px, 8vh, 96px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__embers {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9.6vw, 9rem);
  font-weight: 900;
  line-height: 0.86;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  margin-bottom: clamp(24px, 3vw, 36px);
}
.hero__title span { color: var(--red); }
.hero__title em {
  display: block;
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 2px var(--bone);
}

.hero__lead {
  max-width: 54ch;
  font-size: clamp(1.0625rem, 1.5vw, 1.3rem);
  color: var(--bone-dim);
  margin-bottom: 36px;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__media {
  position: relative;
  margin: 0;
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%, 0 14%);
}
.hero__media img {
  width: 100%;
  height: min(72svh, 720px);
  object-fit: cover;
  object-position: 72% 50%;
}
.hero__media .hazard { position: absolute; left: 0; right: 0; bottom: 0; }

.hero__hint {
  position: absolute;
  left: var(--gutter);
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--bone-dim);
  transition: opacity 400ms ease;
}
.hero.is-out .hero__hint { opacity: 0; }

@media (max-width: 959px) {
  .hero { min-height: auto; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%, 0 10%); }
  .hero__media img { height: 56svh; }
  .hero__hint { display: none; }
}

/* ---------- 7b. Manómetros (cifras) ---------- */
.gauges {
  background: var(--ink-2);
  padding-block: clamp(40px, 6vw, 72px);
}
.gauges__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.gauge { text-align: center; }
.gauge__dial { width: 120px; height: 120px; margin: 0 auto 8px; overflow: visible; }
.gauge__track, .gauge__ok { fill: none; stroke-width: 8; stroke-linecap: butt; }
.gauge__track { stroke: var(--ink-3); }
.gauge__ok { stroke: var(--hivis); }
.gauge__hub { fill: var(--bone); }
.gauge__needle {
  stroke: var(--red);
  stroke-width: 4;
  stroke-linecap: round;
  transform-box: view-box;
  transform-origin: 60px 60px;
  transform: rotate(-135deg);
  transition: transform 1.4s var(--ease-back);
}
.gauge__value {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 4.25rem);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.gauge__label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--bone-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
@media (max-width: 767px) {
  .gauges__list { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .gauge__dial { width: 96px; height: 96px; }
}

/* ---------- 8. Servicios: etiquetas colgantes de inspección ---------- */
.tags {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 88px 32px;
  padding-top: 40px;
}

.tag {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  padding: 56px 28px 28px;
  color: var(--ink);
  transform-origin: 50% -40px; /* gira desde el clavo */
}
/* La columna central cuelga más abajo: rejilla asimétrica */
.tag:nth-child(3n + 2) { margin-top: 64px; }

/* Papel de la etiqueta con esquinas cortadas */
.tag::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--bone);
  clip-path: polygon(22px 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%, 0 22px);
}
/* Cordel y clavo */
.tag::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -40px;
  width: 2px;
  height: 58px;
  margin-left: -1px;
  background: var(--bone-dim);
  z-index: -2;
}
.tag__hole {
  position: absolute;
  left: 50%;
  top: 14px;
  width: 18px; height: 18px;
  margin-left: -9px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 4px #CFC5B5;
}

.tag__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.tag__code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  background: var(--ink);
  color: var(--bone);
}
.tag__icon {
  width: 56px; height: 56px;
  color: var(--red-deep);
  margin-bottom: 16px;
}
.tag__title {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 0.95;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.tag > p { color: #4A443C; margin-bottom: 18px; }
.tag .btn { margin-top: auto; }

/* Lista con marcas de verificación */
.ticks { display: grid; gap: 8px; margin-bottom: 24px; }
.ticks li {
  position: relative;
  padding-left: 28px;
  font-weight: 600;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.45em;
  width: 12px; height: 7px;
  border-left: 3px solid var(--green);
  border-bottom: 3px solid var(--green);
  transform: rotate(-45deg);
}
.ticks--light li::before { border-color: var(--hivis); }

@media (hover: hover) and (pointer: fine) {
  .tag.is-visible:hover { animation: tag-swing 900ms var(--ease-in-out); }
}
@keyframes tag-swing {
  0%   { transform: rotate(0); }
  20%  { transform: rotate(2.6deg); }
  45%  { transform: rotate(-1.8deg); }
  70%  { transform: rotate(0.8deg); }
  100% { transform: rotate(0); }
}

@media (max-width: 1023px) {
  .tags { grid-template-columns: repeat(2, 1fr); }
  .tag:nth-child(3n + 2) { margin-top: 0; }
  .tag:nth-child(2n) { margin-top: 48px; }
}
@media (max-width: 639px) {
  .tags { grid-template-columns: 1fr; gap: 72px; }
  .tag:nth-child(2n) { margin-top: 0; }
}

/* Llama que se apaga y se convierte en humo */
.flame-out {
  position: relative;
  width: 30px; height: 30px;
}
.flame-out__fire {
  width: 30px; height: 30px;
  color: var(--red);
  transform-origin: 50% 90%;
  animation: flicker 700ms ease-in-out infinite alternate;
  transition: transform 500ms var(--ease-out), opacity 400ms ease, color 300ms ease;
}
.flame-out i {
  position: absolute;
  left: 11px; top: 6px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #8E877D;
  opacity: 0;
}
/* Texto "OK" que aparece cuando la llama se apaga */
.flame-out::after {
  content: "OK";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--green);
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 300ms ease 700ms, transform 300ms var(--ease-out) 700ms;
}
.flame-out.is-out .flame-out__fire {
  animation: none;
  transform: scale(0.4, 0.1);
  opacity: 0;
  color: #8E877D;
}
.flame-out.is-out i { animation: smoke 1.1s var(--ease-out) forwards; }
.flame-out.is-out i:nth-of-type(2) { animation-delay: 120ms; left: 6px; }
.flame-out.is-out i:nth-of-type(3) { animation-delay: 240ms; left: 16px; }
.flame-out.is-out::after { opacity: 1; transform: none; }

@keyframes flicker {
  from { transform: scale(1, 1) skewX(0); }
  to   { transform: scale(0.94, 1.08) skewX(-3deg); }
}
@keyframes smoke {
  0%   { opacity: 0.7; transform: translateY(0) scale(0.6); }
  100% { opacity: 0;   transform: translateY(-26px) scale(1.8); }
}

/* ---------- 9. Nosotros ---------- */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.about__intro {
  position: sticky;
  top: calc(var(--header-h) + 40px);
}

.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 24px;
}
.pillar { margin: 0; }
.pillar--wide { grid-column: 1 / -1; }
.pillar picture { display: block; overflow: hidden; margin-bottom: 18px; }
.pillar img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 700ms var(--ease-out);
}
.pillar--wide img { aspect-ratio: 16 / 10; }
.pillar--wide picture { clip-path: polygon(0 0, 100% 0, 100% 88%, 90% 100%, 0 100%); }
.pillar h3 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.6vw, 2.25rem);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.pillar p { color: var(--bone-dim); max-width: 48ch; }
@media (hover: hover) and (pointer: fine) {
  .pillar:hover img { transform: scale(1.04); }
}

@media (max-width: 959px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__intro { position: static; }
}
@media (max-width: 559px) {
  .pillars { grid-template-columns: 1fr; }
}

/* Proceso: una manguera roja que se llena al aparecer */
.process { margin-top: var(--section-y); }
.process__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  margin-bottom: 40px;
}
.process__steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process__steps::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 30px;
  height: 6px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.6s var(--ease-in-out) 200ms;
}
.process.is-visible .process__steps::before { transform: scaleX(1); }
.process__num {
  position: relative;
  display: grid;
  place-items: center;
  width: 66px; height: 66px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: inset 0 0 0 3px var(--bone);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  transition: background-color 300ms ease, color 300ms ease, box-shadow 300ms ease;
}
.process.is-visible .process__num {
  background: var(--hivis);
  color: var(--ink);
  box-shadow: none;
}
.process__steps li:nth-child(1) .process__num { transition-delay: 300ms; }
.process__steps li:nth-child(2) .process__num { transition-delay: 700ms; }
.process__steps li:nth-child(3) .process__num { transition-delay: 1100ms; }
.process__steps li:nth-child(4) .process__num { transition-delay: 1500ms; }
.process__steps h4 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.process__steps p { color: var(--bone-dim); }

@media (max-width: 767px) {
  .process__steps { grid-template-columns: 1fr; gap: 28px; }
  .process__steps::before {
    top: 0; bottom: 0; left: 30px; right: auto;
    width: 6px; height: auto;
    transform: scaleY(0);
    transform-origin: top;
  }
  .process.is-visible .process__steps::before { transform: scaleY(1); }
  .process__steps li { display: grid; grid-template-columns: 66px 1fr; column-gap: 20px; }
  .process__num { grid-row: span 2; margin: 0; }
}

/* ---------- 10. Procedimientos (pestañas) ---------- */
.procedures { background: var(--ink-2); }

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.tabs__tab {
  flex: 1 1 auto;
  min-height: 60px;
  padding: 0 24px;
  border: 0;
  background: var(--ink-3);
  color: var(--bone-dim);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: background-color 200ms ease, color 200ms ease;
}
.tabs__tab[aria-selected="true"] { background: var(--red); color: var(--bone); }
@media (hover: hover) and (pointer: fine) {
  .tabs__tab[aria-selected="false"]:hover { color: var(--bone); background: #36312B; }
}

.tabs__panel {
  background: var(--ink);
  padding: clamp(24px, 4vw, 56px);
}
.tabs__panel:not([hidden]) { animation: panel-in 300ms var(--ease-out); }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

.panel-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.6vw, 3rem);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.panel-sub {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  margin: 36px 0 18px;
}
.panel-sub:first-of-type { margin-top: 0; }

/* Casillas marcadas */
.checklist, .workorder { display: grid; gap: 14px; }
.checklist li, .workorder li {
  position: relative;
  padding-left: 44px;
  min-height: 28px;
  font-size: 1.0625rem;
}
.checklist li::before, .workorder li::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 28px; height: 28px;
  box-shadow: inset 0 0 0 2px var(--bone-dim);
  transition: background-color 200ms ease, box-shadow 200ms ease;
}
.checklist li::after, .workorder li::after {
  content: "";
  position: absolute;
  left: 8px; top: 7px;
  width: 13px; height: 7px;
  border-left: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  transform: rotate(-45deg) scale(0.5);
  opacity: 0;
  transition: transform 250ms var(--ease-back), opacity 150ms ease;
}
.checklist li::before { background: var(--hivis); box-shadow: none; }
.checklist li::after { opacity: 1; transform: rotate(-45deg); }

/* Orden de trabajo numerada: cada paso se marca al aparecer */
.workorder { counter-reset: paso; }
.workorder li { counter-increment: paso; color: var(--bone-dim); transition: color 300ms ease; }
/* Antes de marcarse, la casilla muestra el número del paso */
.workorder li::before {
  content: counter(paso);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--bone-dim);
}
.workorder li.is-done::before { color: transparent; }
.workorder li.is-done { color: var(--bone); }
.workorder li.is-done::before { background: var(--hivis); box-shadow: none; }
.workorder li.is-done::after { opacity: 1; transform: rotate(-45deg); }
.recharge__count {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--hivis);
}
.recharge {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 48px;
}
.special { display: grid; gap: 14px; }
.special li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  background: var(--ink-2);
  font-weight: 600;
}
.special .icon { color: var(--hivis); width: 26px; height: 26px; }

.note {
  margin-top: 36px;
  padding: 24px;
  background: var(--ink-2);
}
.note h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.375rem;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.note p { color: var(--bone-dim); }
.note--alert { background: #3A1411; }
.note--alert h4 { color: var(--red-text); }
.note--alert p { color: var(--bone); }

/* Regla de intervalos de prueba hidrostática */
.ruler { display: grid; gap: 12px; }
.ruler__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  align-items: center;
}
.ruler__type { font-weight: 600; }
.ruler__scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--bone-dim);
}
.ruler__track {
  position: relative;
  height: 28px;
  background: repeating-linear-gradient(90deg, var(--ink-3) 0 2px, transparent 2px 25%) , var(--ink-2);
}
.ruler__bar {
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms var(--ease-out);
}
.ruler__bar--5  { width: calc(5 / 12 * 100%); }
.ruler__bar--12 { width: 100%; background: var(--hivis); }
.ruler__val {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  white-space: nowrap;
}
.ruler__bar--5 + .ruler__val  { left: calc(5 / 12 * 100% + 10px); }
.ruler__bar--12 + .ruler__val { right: 8px; color: var(--ink); }
.ruler.is-visible .ruler__bar { transform: scaleX(1); }
.ruler.is-visible .ruler__row:nth-child(3) .ruler__bar { transition-delay: 80ms; }
.ruler.is-visible .ruler__row:nth-child(4) .ruler__bar { transition-delay: 160ms; }
.ruler.is-visible .ruler__row:nth-child(5) .ruler__bar { transition-delay: 240ms; }
.ruler.is-visible .ruler__row:nth-child(6) .ruler__bar { transition-delay: 320ms; }
.ruler.is-visible .ruler__row:nth-child(7) .ruler__bar { transition-delay: 400ms; }

.equipment {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.equipment__item { padding: 24px; background: var(--ink-2); }
.equipment__item h5 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.equipment__item p { color: var(--bone-dim); }
.equipment__item p + p { margin-top: 6px; }
.equipment__item strong { color: var(--bone); }
.small { font-size: 0.9375rem; }

@media (max-width: 767px) {
  .ruler__row { grid-template-columns: 1fr; gap: 6px; }
  .ruler__axis .ruler__type { display: none; }
  .equipment, .recharge { grid-template-columns: 1fr; }
  .tabs__tab { flex-basis: 100%; min-height: 52px; }
}

/* ---------- 11. Preguntas frecuentes ---------- */
.faq { margin-top: clamp(64px, 8vw, 110px); max-width: 880px; }
.faq__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.faq details { border-top: 1px solid var(--ink-3); }
.faq details:last-child { border-bottom: 1px solid var(--ink-3); }
.faq summary {
  position: relative;
  padding: 22px 48px 22px 0;
  font-weight: 700;
  font-size: 1.125rem;
  list-style: none;
  cursor: pointer;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px; top: 50%;
  translate: 0 -50%;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--hivis);
  transition: rotate 200ms var(--ease-out);
}
.faq details[open] summary::after { rotate: 45deg; }
.faq details p { padding: 0 0 22px; color: var(--bone-dim); max-width: 70ch; }

/* ---------- 12. Contacto (bloque rojo de cierre) ---------- */
.contact {
  background: var(--red-deep);
  color: #F6F1E9;
  padding-block: var(--section-y);
}
.contact__head { max-width: 900px; margin-bottom: clamp(40px, 6vw, 72px); }
.contact__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 0.88;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.contact__lead { font-size: clamp(1.0625rem, 1.5vw, 1.3rem); max-width: 56ch; }

.contact__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px 48px;
}
.contact__block--phones { grid-row: span 2; }
.contact__block h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.contact__big {
  display: block;
  width: fit-content;
  font-family: var(--font-display);
  font-size: clamp(3.25rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  transition: color 200ms ease;
}
.contact__line, .contact__link, .contact__wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  word-break: break-word;
  transition: color 200ms ease;
}
.contact__line { display: flex; font-size: 1.125rem; }
.contact__wa { margin-top: 16px; }
.contact address { margin-bottom: 8px; }
@media (hover: hover) and (pointer: fine) {
  .contact a:hover { color: var(--hivis); }
}
.contact :focus-visible { outline-color: var(--hivis); }

@media (max-width: 959px) {
  .contact__grid { grid-template-columns: 1fr 1fr; }
  .contact__block--phones { grid-column: 1 / -1; grid-row: auto; }
}
@media (max-width: 559px) {
  .contact__grid { grid-template-columns: 1fr; }
}

/* ---------- 13. Pie de página ---------- */
.site-footer {
  padding: 64px 0 32px;
  color: var(--bone-dim);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}
.site-footer .brand { color: var(--bone); margin-bottom: 16px; }
.site-footer p { max-width: 44ch; }
.site-footer__h {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--bone);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.site-footer ul { display: grid; gap: 6px; }
.site-footer a { text-decoration: none; transition: color 200ms ease; }
.site-footer nav a, .site-footer li a { display: inline-block; padding-block: 4px; }
@media (hover: hover) and (pointer: fine) {
  .site-footer a:hover { color: var(--hivis); }
}
.site-footer .site-footer__legal {
  max-width: var(--wrap);
  padding-top: 24px;
  border-top: 1px solid var(--ink-3);
  font-size: 0.875rem;
}
@media (max-width: 767px) {
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer { padding-bottom: 104px; } /* espacio para el botón de llamada */
}

/* Botón de llamada fijo (solo móvil) */
.call-fab {
  position: fixed;
  right: 16px;
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 40;
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 56px;
  padding: 0 22px;
  background: var(--hivis);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 900;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.4);
  transition: transform 140ms var(--ease-out);
}
.call-fab:active { transform: scale(0.97); }
@media (max-width: 767px) {
  .call-fab { display: inline-flex; }
}

/* ---------- 14. Ventanas de detalle (dialog) ---------- */
.sheet {
  width: min(960px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  border: 0;
  background: var(--ink-2);
  color: var(--bone);
  overflow: auto;
  overscroll-behavior: contain;
}
.sheet::backdrop { background: rgb(10 8 6 / 0.8); }
.sheet[open] {
  animation: sheet-in 260ms var(--ease-out);
}
.sheet[open]::backdrop { animation: fade-in 260ms ease; }
@keyframes sheet-in {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.sheet__head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px clamp(20px, 4vw, 40px);
  background: var(--red-deep);
}
.sheet__icon { width: 40px; height: 40px; flex: none; }
.sheet__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  text-transform: uppercase;
  line-height: 0.95;
}
.sheet__close {
  margin-left: auto;
  flex: none;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border: 0;
  background: rgb(0 0 0 / 0.25);
}
.sheet__close .icon { width: 26px; height: 26px; }
@media (hover: hover) and (pointer: fine) {
  .sheet__close:hover { background: var(--ink); }
}

.sheet__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: clamp(20px, 4vw, 40px);
}
.sheet__body h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.sheet__body p { color: var(--bone-dim); margin-bottom: 28px; }
.sheet__body .ticks li { font-weight: 500; }

.steps { counter-reset: s; display: grid; gap: 12px; }
.steps li {
  counter-increment: s;
  position: relative;
  padding-left: 42px;
  color: var(--bone-dim);
}
.steps li::before {
  content: counter(s);
  position: absolute;
  left: 0; top: -2px;
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  background: var(--red);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.sheet__features {
  padding: 20px;
  background: var(--ink);
  margin-bottom: 24px;
}
.sheet__features h4 { font-size: 1rem; margin-bottom: 10px; }
.sheet__features ul { display: grid; gap: 6px; font-family: var(--font-mono); font-size: 0.9375rem; color: var(--bone-dim); }
.sheet__features li::before { content: "> "; color: var(--hivis); }

.sheet__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.sheet__actions .btn { flex: 1 1 180px; }

@media (max-width: 767px) {
  .sheet__body { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- 15. Animación de entrada al hacer scroll ----------
   Solo se activa si JavaScript cargó (clase .js en <html>). */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* Las etiquetas "caen" y se balancean al colgarse */
.js .tag[data-reveal] { transform: translateY(-24px) rotate(-3deg); }
.js .tag[data-reveal].is-visible { transform: none; transition-timing-function: var(--ease-out), var(--ease-back); }
/* Se desactiva la transición tras aparecer para que el balanceo del hover no choque */
.js .tag.is-settled { transition: none; }

/* ---------- 16. Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  .js [data-reveal], .js .tag[data-reveal] { opacity: 1; transform: none; }
  .hero__hint { display: none; }
}

/* ---------- 17. Página 404 ---------- */
.notfound { min-height: 100svh; display: flex; align-items: center; padding-block: 64px; }
.notfound__code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 22vw, 16rem);
  font-weight: 900;
  line-height: 0.8;
  color: var(--red);
}
.notfound__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* Los teléfonos nunca se parten en dos líneas */
a[href^="tel:"] { white-space: nowrap; }