:root {
  --ink: #0f2038;
  --ink-soft: #182c45;
  --paper: #f4f6f3;
  --surface: #ffffff;
  --muted: #5f6966;
  --line: #d7ddda;
  --accent: #a9e20e;
  --accent-ink: #0f2038;
  --max: 1200px;
  --radius: 14px;
  --shadow: 0 24px 80px rgba(13, 20, 18, .12);
}

* { box-sizing: border-box; min-width: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Arial Nova", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
img { display: block; width: 100%; height: auto; }
a { color: inherit; }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--surface); padding: .75rem 1rem; border-radius: 999px; }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  color: #f7faf8;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand-logo { width: clamp(205px, 22vw, 235px); height: auto; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { color: rgba(255,255,255,.82); text-decoration: none; font-size: .93rem; }
.nav-links a:hover { color: #fff; }
.nav-links a.button-primary, .nav-links a.button-primary:hover { color: var(--accent-ink); }
.menu-toggle { display: none; width: 44px; height: 44px; border-radius: 999px; border: 1px solid rgba(255,255,255,.28); color: #fff; background: rgba(0,0,0,.16); cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: .55rem; padding: .76rem 1.2rem; border: 1px solid transparent; border-radius: 999px; font-weight: 750; line-height: 1; text-decoration: none; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease; white-space: nowrap; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0) scale(.98); }
.button-primary { color: var(--accent-ink); background: var(--accent); }
.button-primary:hover { background: #b9f246; }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.45); background: rgba(13,20,18,.24); backdrop-filter: blur(10px); }
.button-dark { color: #fff; background: var(--ink); }
.button-small { min-height: 42px; padding: .65rem 1rem; font-size: .9rem; }

.hero { position: relative; min-height: 100dvh; color: #fff; background: var(--ink); display: grid; align-items: center; overflow: hidden; }
.hero-media, .hero-scrim { position: absolute; inset: 0; }
.hero-media img { height: 100%; object-fit: cover; object-position: center center; }
.hero-mobile-image { display: none; }
.hero-scrim { background: linear-gradient(90deg, rgba(7,11,10,.96) 0%, rgba(7,11,10,.82) 30%, rgba(7,11,10,.25) 62%, rgba(7,11,10,.08) 100%); }
.hero-content { position: relative; z-index: 2; padding-top: 7.8rem; padding-bottom: 4rem; }
.hero-copy { width: min(670px, 57%); }
.kicker { margin: 0 0 1.2rem; color: var(--accent); font-size: .9rem; font-weight: 800; letter-spacing: .01em; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1 { margin: 0; max-width: 16ch; font-size: clamp(3.2rem, 5.6vw, 5.6rem); line-height: .96; letter-spacing: -.045em; font-weight: 780; }
.hero-lead { max-width: 48ch; margin: 1.5rem 0 0; color: rgba(255,255,255,.82); font-size: clamp(1.05rem, 1.6vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

.credibility { position: relative; z-index: 3; margin-top: -1.5rem; }
.credibility-inner { display: grid; grid-template-columns: 1fr 1px 1.1fr 1px 1.1fr; align-items: center; gap: 1.6rem; padding: 1.4rem 1.6rem; border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.credibility strong { display: block; font-size: clamp(1.5rem, 3vw, 2.2rem); line-height: 1; letter-spacing: -.045em; }
.credibility span { color: var(--muted); font-size: .9rem; }
.credibility .line { height: 54px; background: var(--line); }
.credibility p { margin: 0; color: var(--muted); }

.section { padding: clamp(5rem, 9vw, 8rem) 0; }
.section-white { background: var(--surface); }
.section-dark { color: #f2f5f3; background: var(--ink); }
.section-head { max-width: 760px; margin-bottom: 3rem; }
.section-head h2, .about-copy h2, .contact-copy h2 { margin: 0; font-size: clamp(2.35rem, 5vw, 4.5rem); line-height: 1.02; letter-spacing: -.038em; }
.section-head p, .about-copy > p, .contact-copy > p { max-width: 62ch; margin: 1rem 0 0; color: var(--muted); font-size: 1.05rem; }
.section-dark .section-head p { color: rgba(255,255,255,.66); }

.scope-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1rem; }
.scope-main { min-height: 490px; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(1.7rem, 4vw, 3.5rem); border-radius: var(--radius); color: #fff; background: linear-gradient(180deg, rgba(10,15,14,.02), rgba(10,15,14,.92)), url('assets/images/instalacion.webp') center/cover; }
.scope-main h3 { max-width: 12ch; margin: 0; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 1.02; letter-spacing: -.045em; }
.scope-main p { max-width: 46ch; margin: 1rem 0 0; color: rgba(255,255,255,.78); }
.scope-side { display: grid; gap: 1rem; }
.scope-item { padding: 1.8rem; border-radius: var(--radius); background: #e9edea; }
.scope-item:nth-child(2) { color: #f4f7f5; background: var(--ink-soft); }
.scope-item h3 { margin: 0 0 .6rem; font-size: 1.35rem; letter-spacing: -.025em; }
.scope-item p { margin: 0; color: var(--muted); }
.scope-item:nth-child(2) p { color: rgba(255,255,255,.64); }

.services-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.sticky-copy { position: sticky; top: 2rem; }
.sticky-copy h2 { margin: 0; max-width: 13ch; font-size: clamp(2.5rem, 5vw, 4.8rem); line-height: .98; letter-spacing: -.038em; overflow-wrap: normal; }
.sticky-copy p { color: rgba(255,255,255,.64); max-width: 38ch; }
.service-list { display: grid; }
.service { display: grid; grid-template-columns: 42px 1fr; gap: 1.2rem; padding: 2rem 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.service:first-child { padding-top: 0; }
.service-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-weight: 850; }
.service h3 { margin: 0; font-size: 1.55rem; letter-spacing: -.03em; }
.service p { margin: .6rem 0 0; color: rgba(255,255,255,.62); }

.process-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; counter-reset: process; }
.process-item { position: relative; padding: 2rem 0 0; border-top: 4px solid var(--ink); }
.process-item::before { counter-increment: process; content: counter(process); position: absolute; top: -1.15rem; left: 0; display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 999px; color: var(--accent-ink); background: var(--accent); font-size: .78rem; font-weight: 850; }
.process-item h3 { margin: .5rem 0 .6rem; font-size: 1.25rem; letter-spacing: -.025em; }
.process-item p { margin: 0; color: var(--muted); }

.about-grid { display: grid; grid-template-columns: minmax(320px, .82fr) 1.18fr; gap: clamp(2.5rem, 8vw, 8rem); align-items: center; }
.about-image { position: relative; }
.about-image img { aspect-ratio: 1 / 1; object-fit: cover; border-radius: var(--radius); }
.about-image::after { content: "40+"; position: absolute; right: -1.2rem; bottom: 1.4rem; display: grid; width: 98px; height: 98px; place-items: center; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-size: 1.8rem; font-weight: 850; box-shadow: 0 15px 40px rgba(16,20,18,.18); }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem; }
.about-point { padding: 1.3rem 0; border-top: 1px solid var(--line); }
.about-point strong { display: block; }
.about-point span { color: var(--muted); font-size: .92rem; }
.signature { margin-top: 2rem; font-weight: 800; letter-spacing: -.02em; }
.signature small { display: block; color: var(--muted); font-weight: 500; letter-spacing: 0; }

.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.faq-layout h2 { margin: 0; font-size: clamp(2.4rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.052em; }
.faq-list { display: grid; }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 1.3rem 3rem 1.3rem 0; cursor: pointer; list-style: none; font-weight: 750; font-size: 1.08rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 1.15rem; font-size: 1.5rem; color: var(--muted); }
details[open] summary::after { content: "−"; }
details p { max-width: 62ch; margin: 0 0 1.35rem; color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.contact-copy .kicker { color: var(--accent); }
.contact-copy > p { color: rgba(255,255,255,.65); }
.service-area { margin-top: 2rem; padding: 1.3rem; background: rgba(255,255,255,.065); box-shadow: inset 0 1px 0 rgba(255,255,255,.12); }
.service-area strong { display: block; }
.service-area span { display: block; color: rgba(255,255,255,.62); }
.contact-phone { display: inline-block; margin-top: .75rem; color: #fff; font-size: 1.2rem; font-weight: 800; text-decoration-color: var(--accent); text-underline-offset: .24rem; }
.contact-email { display: block; width: fit-content; margin-top: .35rem; color: rgba(255,255,255,.8); overflow-wrap: anywhere; text-underline-offset: .2rem; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding: clamp(1.3rem, 3vw, 2rem); border-radius: var(--radius); color: var(--ink); background: var(--surface); }
.field { display: grid; gap: .4rem; }
.field-full { grid-column: 1 / -1; }
label { font-size: .86rem; font-weight: 750; }
input, select, textarea { width: 100%; border: 1px solid #aeb7b3; border-radius: 10px; color: var(--ink); background: #fff; padding: .78rem .85rem; }
input::placeholder, textarea::placeholder { color: #707976; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(169,231,45,.55); border-color: #5d7f12; }
textarea { min-height: 120px; resize: vertical; }
.form-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: .82rem; }
.form-actions { grid-column: 1 / -1; display: flex; align-items: center; flex-wrap: wrap; gap: .8rem; }
.form-status { margin: 0; color: #2f5b00; font-size: .9rem; font-weight: 700; }
.request-output { display: none; grid-column: 1 / -1; margin: 0; padding: 1rem; border-radius: 10px; white-space: pre-wrap; color: var(--ink); background: #eef3e9; font-size: .9rem; }
.request-output.visible { display: block; }

.site-footer { padding: 1.6rem 0; color: rgba(255,255,255,.62); background: #081525; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.footer-brand { display: flex; align-items: center; gap: 1.3rem; }
.footer-logo { width: 185px; height: auto; }
.footer-inner p { margin: 0; font-size: .85rem; }
.footer-inner a { color: #fff; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .nav-links { position: absolute; left: 1rem; right: 1rem; top: 72px; display: none; padding: 1rem; border-radius: var(--radius); background: rgba(10,14,13,.97); box-shadow: var(--shadow); }
  .nav-links.open { display: grid; }
  .nav-links .button { width: 100%; }
  .menu-toggle { display: block; }
  .hero { min-height: 880px; align-items: end; }
  .hero-media img { object-position: 66% center; }
  .hero-scrim { background: linear-gradient(0deg, rgba(7,11,10,.97) 0%, rgba(7,11,10,.78) 46%, rgba(7,11,10,.2) 100%); }
  .hero-content { padding-top: 7rem; padding-bottom: 4.7rem; }
  .hero-copy { width: 100%; padding-top: 330px; }
  h1 { max-width: 11ch; font-size: clamp(3rem, 12vw, 4.6rem); }
  .credibility-inner { grid-template-columns: 1fr 1fr; }
  .credibility .line { display: none; }
  .credibility p { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid var(--line); }
  .scope-grid, .services-layout, .about-grid, .faq-layout, .contact-grid { grid-template-columns: 1fr; }
  .sticky-copy { position: static; }
  .sticky-copy h2 { max-width: 12ch; }
  .process-track { grid-template-columns: 1fr 1fr; gap: 2.4rem 1rem; }
  .about-image { width: min(100%, 560px); }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 1.25rem), var(--max)); }
  .brand-logo { width: min(190px, calc(100vw - 112px)); }
  .site-header .button-small { display: none; }
  .hero { min-height: 100dvh; }
  .hero-media { inset: 0 0 auto; height: 56%; }
  .hero-desktop-image { display: none; }
  .hero-mobile-image { display: block; }
  .hero-media img { height: 100%; object-position: center 28%; }
  .hero-scrim { background: linear-gradient(0deg, rgba(7,11,10,1) 0%, rgba(7,11,10,.96) 42%, rgba(7,11,10,.74) 61%, rgba(7,11,10,.08) 100%); }
  .hero-content { padding-top: 0; padding-bottom: 2rem; }
  .hero-copy { padding-top: 0; }
  .hero-copy .kicker { margin-bottom: .9rem; }
  h1 { max-width: none; font-size: clamp(2.65rem, 10.5vw, 3.8rem); }
  .hero-lead { margin-top: .85rem; }
  .hero-actions { display: grid; margin-top: 1rem; }
  .hero-actions .button { width: 100%; min-height: 48px; }
  .hero-actions .button-ghost { display: none; }
  .credibility { margin-top: 0; }
  .credibility-inner { border-radius: 0 0 var(--radius) var(--radius); grid-template-columns: 1fr; gap: .9rem; }
  .credibility p { grid-column: auto; }
  .section { padding: 4.5rem 0; }
  .scope-main { min-height: 420px; }
  .process-track { grid-template-columns: 1fr; }
  .about-image::after { right: .7rem; bottom: .7rem; width: 82px; height: 82px; }
  .about-points { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .field-full, .form-note, .form-actions, .request-output { grid-column: auto; }
  .footer-inner, .footer-brand { align-items: flex-start; flex-direction: column; }
}

@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; }
}