/* Control Experts · landing informativa
   Base «informe a dos tintas»: papel blanco, tinta oscura y el rojo de la marca en bloques planos.
   Fotos reales a color, secciones compactas y una sola familia tipográfica (General Sans). */

:root {
  --paper: #ffffff;
  --surface: #f3f2f1;
  --ink: #1c1a19;
  --ink-soft: #4a4542;
  --ink-mute: #6b6560;
  --red: #b8312f;        /* rojo de la marca: botones y campos */
  --red-press: #962826;
  --deep: #820c0a;       /* rojo del logo */
  --on-red: #ffffff;
  --on-red-soft: #fbe4e3;
  --ok: #1e7a46;

  --font: "General Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --step-display: clamp(2.75rem, 1.4rem + 5vw, 6rem);
  --step-head: clamp(1.875rem, 1.2rem + 2.2vw, 3.25rem);
  --step-figure: clamp(1.625rem, 1.15rem + 1.5vw, 2.5rem);
  --step-lead: clamp(1.125rem, 1rem + 0.5vw, 1.5rem);
  --step-body: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step-small: 0.875rem;

  --margin: clamp(1rem, 3vw, 3rem);
  --gutter: clamp(1rem, 2vw, 2rem);
  --section: clamp(4rem, 7vw, 6.5rem);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 5rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: var(--step-body); line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip; }
h1, h2, h3, h4, p, figure, ul, ol, dl, dd, table { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
select { font: inherit; color: inherit; }
::selection { background: var(--red); color: var(--on-red); }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
.field-red :focus-visible, .plan-month :focus-visible, .foot :focus-visible { outline-color: var(--on-red); }

h1, h2, h3, h4 { font-weight: 600; text-wrap: balance; }
p { text-wrap: pretty; }
.display { font-size: var(--step-display); line-height: 0.95; letter-spacing: -0.04em; font-weight: 600; }
.head { font-size: var(--step-head); line-height: 1.02; letter-spacing: -0.025em; }
.lead { font-size: var(--step-lead); line-height: 1.35; letter-spacing: -0.01em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.only-wide { display: none; }
@media (min-width: 48em) { .only-wide { display: inline; } }

.skip { position: absolute; left: var(--margin); top: -4rem; z-index: 20; background: var(--ink); color: var(--paper); padding: 0.75rem 1rem; }
.skip:focus { top: 0.5rem; }

.wrap { padding-inline: var(--margin); max-width: 90rem; margin-inline: auto; }
.cover { width: 100%; height: 100%; object-fit: cover; }
figure { overflow: hidden; background: var(--surface); }
.field-red { background: var(--red); color: var(--on-red); }

/* ---------- controles ---------- */
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.875rem; padding: 0 1.25rem; background: var(--red); color: var(--on-red); font-weight: 600; text-decoration: none; white-space: nowrap; border-radius: 4px; transition: transform 140ms var(--ease-out), background-color 180ms ease, color 180ms ease; }
.button:active { transform: scale(0.97); }
.button-big { min-height: 3.25rem; padding: 0 1.6rem; font-size: 1.0625rem; }
.button-light { background: var(--paper); color: var(--red); }
.link { text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 0.22em; text-decoration-thickness: 0.07em; transition: text-decoration-color 180ms ease; }
.link-plain { font-weight: 500; text-decoration: underline; text-underline-offset: 0.2em; text-decoration-thickness: 0.07em; transition: color 180ms ease; }
@media (hover: hover) and (pointer: fine) {
  .button:hover { background: var(--red-press); }
  .button-light:hover { background: var(--surface); color: var(--red-press); }
  .link:hover { text-decoration-color: currentColor; }
  .link-plain:hover { color: var(--red); }
  .foot .link-plain:hover { color: var(--on-red-soft); }
}
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.9rem 1.5rem; }

/* ---------- barra ---------- */
.bar { position: sticky; top: 0; z-index: 10; background: var(--paper); }
.bar-in { display: flex; align-items: center; gap: 2rem; min-height: 4.5rem; }
.mark img { width: clamp(6.75rem, 9vw, 8.5rem); height: auto; }
.nav { display: flex; gap: clamp(1rem, 2vw, 2rem); margin-left: auto; font-weight: 500; }
.bar .button { flex: none; }

/* ---------- portada ---------- */
.hero { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: center; padding-block: clamp(1.5rem, 3vw, 2.5rem) var(--section); }
.hero-copy { grid-column: 1 / 7; display: grid; gap: 1.75rem; padding-right: 1rem; }
.hero-lead { max-width: 34ch; color: var(--ink-soft); }
.proof { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 2.5rem; }
.proof dt { font-size: var(--step-figure); font-weight: 600; line-height: 1; letter-spacing: -0.02em; color: var(--red); font-variant-numeric: lining-nums; }
.proof dd { margin-top: 0.4rem; color: var(--ink-soft); font-size: var(--step-small); }
.hero-media { grid-column: 7 / 13; display: grid; grid-template-columns: 1.15fr 1fr; grid-template-rows: 1fr 1fr; gap: 0.5rem; height: clamp(26rem, 68svh, 40rem); }
.hm { position: relative; overflow: hidden; }
.hm-main { grid-row: 1 / 3; }
.hm-x { background: var(--red); color: var(--on-red); display: grid; align-content: space-between; padding: clamp(1rem, 2vw, 1.5rem); }
.hm-x .x { width: clamp(3rem, 5vw, 4.5rem); fill: var(--on-red); }
.hm-x p { font-size: var(--step-lead); font-weight: 600; line-height: 1.15; max-width: 12ch; }

/* ---------- sectores ---------- */
.sectors { background: var(--surface); padding-block: var(--section); }
.sectors-head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: end; row-gap: 1rem; }
.sectors-head h2 { grid-column: 1 / 7; }
.sectors-note { grid-column: 8 / 13; color: var(--ink-soft); }
.sector-grid { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: 0.5rem; margin-top: clamp(2rem, 4vw, 3rem); }
.sector { background: var(--paper); padding: clamp(1.25rem, 2vw, 1.75rem); display: grid; align-content: start; gap: 0.75rem; }
.sector-name { font-size: var(--step-lead); line-height: 1.15; color: var(--red); }
.sector-clients { color: var(--ink); line-height: 1.6; }

/* ---------- servicios ---------- */
.services { padding-block: var(--section); display: grid; gap: clamp(3.5rem, 6vw, 5.5rem); }
.services-title { max-width: 18ch; }
.svc { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); row-gap: 2rem; align-items: center; }
.svc-media { grid-column: 1 / 7; display: grid; gap: 0.5rem; height: clamp(22rem, 44vw, 36rem); }
.svc-text { grid-column: 8 / 13; display: grid; gap: 1.5rem; }
.svc-flip .svc-media { grid-column: 7 / 13; grid-row: 1; }
.svc-flip .svc-text { grid-column: 1 / 6; grid-row: 1; }
.svc-media-trio { grid-template-columns: 1.2fr 1fr; grid-template-rows: 1fr 1fr; }
.svc-media-trio figure:first-child { grid-row: 1 / 3; }
.svc-media-wide { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1.2fr; }
.svc-media-wide figure:first-child { grid-row: 1; grid-column: 1 / 3; }
.svc-media-duo { grid-template-columns: 1fr 1fr; }
.svc-lead { color: var(--ink-soft); max-width: 40ch; }
.svc-list { display: grid; gap: 0.9rem; }
.svc-list div { display: grid; grid-template-columns: minmax(9rem, 0.8fr) 1.4fr; column-gap: 1.25rem; }
.svc-list dt { font-weight: 600; }
.svc-list dd { color: var(--ink-soft); }

/* Verificador del extintor */
.checker { background: var(--surface); padding: clamp(1.25rem, 2.5vw, 2rem); display: grid; gap: 1rem; border-radius: 4px; }
.checker-title { font-size: var(--step-lead); line-height: 1.2; }
.checker-help { color: var(--ink-soft); font-size: var(--step-small); }
.checker-fields { display: grid; grid-template-columns: 1.4fr 1fr; gap: 0.75rem; }
.checker label { display: grid; gap: 0.35rem; font-size: var(--step-small); font-weight: 500; color: var(--ink-soft); }
.checker select { min-height: 2.875rem; padding: 0 2.4rem 0 0.9rem; background: var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231c1a19' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 0.9rem center / 0.75rem; border: 1px solid #c9c4c0; border-radius: 4px; color: var(--ink); appearance: none; cursor: pointer; }
.checker-result { min-height: 3.2em; font-weight: 500; }
.checker-result strong { font-weight: 600; }
.checker-result.is-ok strong { color: var(--ok); }
.checker-result.is-due strong { color: var(--red); }
.checker .button { justify-self: start; }

/* ---------- método ---------- */
.method { padding-block: var(--section); }
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); margin-top: clamp(2rem, 4vw, 3rem); }
.steps li { display: grid; align-content: start; gap: 0.6rem; padding-top: 1.25rem; border-top: 3px solid rgba(255, 255, 255, 0.55); }
.steps h3 { font-size: var(--step-lead); line-height: 1.15; }
.steps p { color: var(--on-red-soft); }

/* ---------- planes ---------- */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; padding-block: var(--section) 0; }
.plan { display: grid; align-content: start; gap: 1.1rem; padding: clamp(1.75rem, 3.5vw, 3rem); border-radius: 4px; }
.plan-month { background: var(--deep); color: var(--on-red); }
.plan-once { background: var(--surface); }
.plan .lead { max-width: 32ch; }
.plan-detail { max-width: 46ch; }
.plan-month .plan-detail { color: var(--on-red-soft); }
.plan-once .plan-detail { color: var(--ink-soft); }
.plan-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1rem; }
.plan-figure { font-size: var(--step-body); }
.plan-figure strong { font-size: var(--step-figure); font-weight: 600; letter-spacing: -0.02em; margin-right: 0.35rem; }

/* ---------- galería ---------- */
.gallery { padding-block: var(--section); }
.gallery-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 1rem 2rem; margin-bottom: clamp(1.5rem, 3vw, 2.25rem); }
.gallery-note { color: var(--ink-soft); max-width: 40ch; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: clamp(11rem, 16vw, 15rem); grid-auto-flow: dense; gap: 0.5rem; }
.g-tall { grid-row: span 2; }
.g-wide { grid-column: span 2; }

/* ---------- cobertura y contacto ---------- */
.contact { background: var(--surface); }
.cover-band { height: clamp(10rem, 24vw, 21rem); }
.contact-in { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); row-gap: 2.5rem; padding-block: clamp(3rem, 5vw, 4.5rem); align-items: start; }
.contact-main { grid-column: 1 / 7; display: grid; gap: 1.25rem; justify-items: start; }
.contact-main .lead { color: var(--ink-soft); max-width: 36ch; }
.contact-list { grid-column: 8 / 13; display: grid; gap: 1rem; }
.contact-list div { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; }
.contact-list dt { color: var(--ink-mute); }

/* ---------- preguntas ---------- */
.faq { padding-block: var(--section); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem clamp(2rem, 5vw, 5rem); margin-top: clamp(2rem, 4vw, 3rem); }
.qa { display: grid; gap: 0.5rem; }
.qa h3 { font-size: var(--step-lead); line-height: 1.25; }
.qa p { color: var(--ink-soft); }

/* ---------- pie ---------- */
.foot { background: var(--deep); color: var(--on-red); padding-block: clamp(3rem, 5vw, 4rem) 1.5rem; font-size: 0.9375rem; }
.foot-in { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 0.8fr; gap: 2rem; }
.foot-brand { display: grid; gap: 1rem; align-content: start; max-width: 28ch; }
.foot-mark { width: 7.5rem; filter: brightness(0) invert(1); }
.foot-brand p { color: var(--on-red-soft); }
.foot-col { display: grid; gap: 0.55rem; align-content: start; }
.foot-title { font-weight: 600; margin-bottom: 0.2rem; }
.foot-col span { color: var(--on-red-soft); }
.foot-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem 2rem; margin-top: 3rem; font-size: var(--step-small); color: var(--on-red-soft); }
.credits { max-width: 70ch; }
.foot .link-plain { font-weight: 400; color: var(--on-red); }

/* ---------- tableta ---------- */
@media (max-width: 63.99em) {
  .nav { display: none; }
  .bar .button { margin-left: auto; }
  .hero-copy { grid-column: 1 / -1; padding-right: 0; }
  .hero-media { grid-column: 1 / -1; margin-top: 2.5rem; height: clamp(22rem, 62vw, 32rem); }
  .sectors-head h2, .sectors-note { grid-column: 1 / -1; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .sector:first-child { grid-column: 1 / -1; }
  .svc-media, .svc-flip .svc-media, .svc-text, .svc-flip .svc-text { grid-column: 1 / -1; grid-row: auto; }
  .svc-media { height: clamp(18rem, 60vw, 30rem); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 2rem; }
  .contact-main, .contact-list { grid-column: 1 / -1; }
  .foot-in { grid-template-columns: 1fr 1fr; }
}

/* ---------- teléfono ---------- */
@media (max-width: 47.99em) {
  .bar-in { min-height: 3.75rem; gap: 1rem; }
  .bar .button { min-height: 2.5rem; padding: 0 0.9rem; }
  .proof { gap: 1.25rem; }
  .proof dt { font-size: 1.5rem; }
  .hero-media { height: 25rem; grid-template-columns: 1.2fr 1fr; }
  .sector-grid { grid-template-columns: 1fr; }
  .svc-list div { grid-template-columns: 1fr; row-gap: 0.15rem; }
  .svc-media { height: 22rem; }
  .steps { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 9.5rem; }
  .contact-list div { grid-template-columns: 5.5rem 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .foot-in { grid-template-columns: 1fr; }
}

/* ---------- movimiento (transform y opacidad; el contenido queda visible sin JavaScript) ---------- */
.lines .line { display: block; overflow: hidden; padding-bottom: 0.2em; margin-bottom: -0.2em; }
.lines [data-line] { display: block; }
@media (prefers-reduced-motion: no-preference) {
  .js .lines [data-line] { transform: translateY(110%); animation: line-up 900ms var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 110ms + 200ms); }
  .js [data-rise] { opacity: 0; transform: translateY(16px); animation: rise 800ms var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 90ms + 380ms); }
  .js [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out); transition-delay: calc(var(--i, 0) * 70ms); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }
  /* Persiana: la foto sube dentro de su marco y se asienta desde 1,08 de escala */
  .js .shutter[data-reveal] { opacity: 1; transform: none; }
  .js .shutter[data-reveal] img { transform: translateY(100%) scale(1.08); transition: transform 800ms var(--ease-in-out); transition-delay: calc(var(--i, 0) * 70ms); }
  .js .shutter[data-reveal].is-in img { transform: none; }
  .js .hm-x[data-reveal] .x { transform: scale(0.6) rotate(-8deg); transition: transform 1100ms var(--ease-out) 300ms; }
  .js .hm-x[data-reveal].is-in .x { transform: none; }
  .js .hm-main.is-in img { animation: drift 24s var(--ease-in-out) 1.4s infinite alternate; }
  @media (hover: hover) and (pointer: fine) {
    .gallery-grid figure.is-in img { transition: transform 700ms var(--ease-soft); transition-delay: 0ms; }
    .gallery-grid figure.is-in:hover img { transform: scale(1.04); }
  }
}
@keyframes line-up { to { transform: none; } }
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes drift { from { transform: scale(1); } to { transform: scale(1.06) translate(-1%, -1%); } }