:root {
  --ink: #0c1112;
  --ink-2: #141c1d;
  --panel: #182122;
  --paper: #f4f6f2;
  --muted: #aeb9b7;
  --line: rgba(255,255,255,.13);
  --lime: #b8ce28;
  --lime-soft: #d9e777;
  --white: #fff;
  --max: 1180px;
  --radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(12,17,18,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  color: var(--white);
}
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 3px;
  overflow: hidden;
  background: white;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 8px;
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-copy small { display: block; color: var(--muted); font-size: .68rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: .9rem; font-weight: 650; }
.nav-links a:not(.btn) { color: #dfe5e3; }
.nav-links a[aria-current="page"], .nav-links a:hover { color: var(--lime-soft); }
.nav-toggle { display: none; color: white; border: 1px solid var(--line); background: transparent; padding: 8px 11px; border-radius: 4px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  background: var(--lime);
  color: var(--ink) !important;
  border: 1px solid var(--lime);
  border-radius: 3px;
  font-weight: 800;
  letter-spacing: -.01em;
  transition: transform .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); background: var(--lime-soft); }
.btn.secondary { background: transparent; color: var(--white) !important; border-color: rgba(255,255,255,.35); }
.btn.secondary:hover { border-color: var(--white); }

.hero {
  min-height: 620px;
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: white;
  background: var(--ink);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,12,13,.99) 0%, rgba(7,12,13,.92) 37%, rgba(7,12,13,.28) 68%, rgba(7,12,13,.12) 100%), url('/hero-laboratorio.webp') center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, black, transparent 70%);
}
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 82px 0 122px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 22px; color: var(--lime-soft); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--lime); }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -.04em; }
h1 { max-width: 790px; font-size: clamp(3rem, 6vw, 5.8rem); }
.hero p { max-width: 610px; margin: 28px 0 34px; color: #d7dfdd; font-size: clamp(1.05rem, 1.8vw, 1.28rem); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.technical-strip { position: absolute; z-index: 3; right: 0; bottom: 0; left: 0; border-top: 1px solid var(--line); background: rgba(12,17,18,.76); }
.technical-strip .shell { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip-item { padding: 17px 22px; border-left: 1px solid var(--line); color: #cbd3d1; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; }
.strip-item:last-child { border-right: 1px solid var(--line); }
.strip-item b { color: white; }

.section { padding: 84px 0; }
.section.dark { color: white; background: var(--ink-2); }
.section-head { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: end; margin-bottom: 52px; }
.kicker { color: #65716f; font-size: .77rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.dark .kicker { color: var(--lime-soft); }
.section h2 { max-width: 750px; font-size: clamp(2.25rem, 4.5vw, 4.4rem); }
.section-head p { max-width: 580px; margin: 0; color: #596361; font-size: 1.08rem; }
.dark .section-head p { color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: #cad1cd; border: 1px solid #cad1cd; }
.card { min-height: 330px; padding: 30px; background: white; position: relative; overflow: hidden; }
.card-number { color: #88918f; font: 700 .76rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.card h3 { margin-top: 34px; font-size: 1.45rem; }
.card p { color: #5d6866; }
.card-link { position: absolute; right: 34px; bottom: 30px; left: 34px; color: #405000; font-weight: 800; }
.card-link::after { content: "↗"; float: right; }

.icon {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card-icon { display: grid; place-items: center; width: 58px; height: 58px; margin-top: 22px; color: #5c6900; background: #eff3d5; border-radius: 50%; transition: transform .3s ease, border-radius .3s ease; }
.card:hover .card-icon { transform: rotate(-7deg) scale(1.06); border-radius: 12px; }

.hero-badge { display: grid; grid-template-columns: auto 1fr; gap: 13px; align-items: center; width: fit-content; margin-top: 30px; padding: 12px 16px; border: 1px solid rgba(255,255,255,.23); background: rgba(13,20,21,.55); backdrop-filter: blur(9px); }
.hero-badge strong { color: var(--lime-soft); font-size: 2rem; line-height: 1; letter-spacing: -.05em; }
.hero-badge span { max-width: 125px; color: #dce3e1; font-size: .76rem; line-height: 1.25; text-transform: uppercase; letter-spacing: .08em; }
.signal-orbit { position: absolute; z-index: 2; right: 5vw; top: 15%; width: 210px; height: 210px; border: 1px solid rgba(184,206,40,.28); border-radius: 50%; pointer-events: none; }
.signal-orbit::before, .signal-orbit::after { content: ""; position: absolute; border-radius: 50%; }
.signal-orbit::before { inset: 28px; border: 1px dashed rgba(255,255,255,.2); animation: spin 18s linear infinite; }
.signal-orbit::after { width: 10px; height: 10px; top: 30px; left: 48px; background: var(--lime); box-shadow: 0 0 22px rgba(184,206,40,.9); animation: pulse 2.4s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: .35; transform: scale(.65); } }

.sector-band { overflow: hidden; color: #d9e0de; background: #101617; border-block: 1px solid var(--line); }
.sector-track { display: flex; width: max-content; animation: drift 28s linear infinite; }
.sector-set { display: flex; align-items: center; }
.sector-set span { padding: 15px 30px; font-size: .76rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; white-space: nowrap; }
.sector-set span::after { content: "+"; margin-left: 30px; color: var(--lime); }
@keyframes drift { to { transform: translateX(-50%); } }

.experience-panel { display: grid; grid-template-columns: .72fr 1.28fr; gap: 64px; align-items: center; }
.experience-number { color: var(--lime); font-size: clamp(6rem, 14vw, 12rem); font-weight: 900; line-height: .8; letter-spacing: -.09em; }
.experience-number sup { font-size: .28em; vertical-align: top; }
.experience-copy h2 { margin: 10px 0 20px; }
.experience-copy p { max-width: 650px; color: var(--muted); }

.service-intro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 54px; }
.service-chip { display: flex; gap: 15px; align-items: center; padding: 20px; background: white; border: 1px solid #d5dbd7; font-weight: 750; }
.service-chip .icon { width: 24px; height: 24px; color: #697600; }
.service-accordion { border-top: 1px solid #bec7c3; }
.service-detail { border-bottom: 1px solid #bec7c3; background: transparent; }
.service-detail summary { display: grid; grid-template-columns: 70px 44px 1fr auto; gap: 18px; align-items: center; padding: 28px 4px; cursor: pointer; list-style: none; }
.service-detail summary::-webkit-details-marker { display: none; }
.service-detail summary .index { color: #6e7976; font: 700 .8rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.service-detail summary .icon { color: #677400; }
.service-detail summary h2 { font-size: clamp(1.35rem, 2.6vw, 2.25rem); }
.service-detail summary::after { content: "+"; width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid #afb9b5; border-radius: 50%; font-size: 1.3rem; }
.service-detail[open] summary::after { content: "−"; color: white; background: var(--ink); border-color: var(--ink); }
.service-body { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding: 0 70px 34px 136px; }
.service-body p { margin-top: 0; color: #56615f; }
.service-body ul { margin: 0; padding-left: 20px; color: #36413f; }
.service-body li { margin-bottom: 8px; }
.regulatory-note { margin-top: 42px; padding: 22px 24px; color: #52605d; background: #e9ede8; border-left: 4px solid var(--lime); font-size: .9rem; }

.faq { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; }
.faq-list details { padding: 21px 0; border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; color: white; font-weight: 750; }
.faq-list p { color: var(--muted); }

.wa-float { position: fixed; z-index: 18; right: 22px; bottom: 22px; display: inline-flex; gap: 10px; align-items: center; padding: 12px 16px; color: white; background: #176d49; border-radius: 99px; box-shadow: 0 10px 32px rgba(0,0,0,.24); font-size: .84rem; font-weight: 800; }
.wa-float .icon { width: 23px; height: 23px; }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].visible { opacity: 1; transform: none; }

.order-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: center; }
.order-grid h2 { margin: 12px 0 24px; }
.order-grid > div > p { color: var(--muted); }
.steps { counter-reset: steps; border-top: 1px solid var(--line); }
.step { counter-increment: steps; display: grid; grid-template-columns: 56px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.step::before { content: "0" counter(steps); color: var(--lime); font: 700 .85rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.step b { display: block; margin-bottom: 3px; }
.step span { color: var(--muted); font-size: .92rem; }

.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.proof { padding: 26px 0; border-top: 3px solid var(--ink); }
.proof b { display: block; margin-bottom: 7px; font-size: 1.05rem; }
.proof span { color: #5e6967; font-size: .92rem; }

.cta { padding: 78px 0; color: white; background: var(--ink); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta h2 { max-width: 700px; font-size: clamp(2rem, 4vw, 3.8rem); }

.page-hero { padding: 110px 0 80px; color: white; background: var(--ink); border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 850px; font-size: clamp(3rem, 6vw, 5.6rem); }
.page-hero p { max-width: 720px; margin: 24px 0 0; color: #bdc8c6; font-size: 1.15rem; }
.service-list { display: grid; gap: 1px; background: #cbd1ce; border: 1px solid #cbd1ce; }
.service-row { display: grid; grid-template-columns: 80px 1fr 1fr; gap: 30px; padding: 42px; background: white; }
.service-row .index { color: #697472; font: 700 .82rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.service-row h2 { font-size: clamp(1.6rem, 3vw, 2.6rem); }
.service-row p { margin: 0; color: #596361; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag { padding: 5px 9px; border: 1px solid #cbd3cf; border-radius: 2px; color: #3d4846; font-size: .76rem; font-weight: 700; }

.contact-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; }
.contact-form-wrap h2 { margin-bottom: 12px; }
.contact-form-wrap > p:not(.kicker) { max-width: 650px; margin-bottom: 28px; }
.contact-form { margin-top: 26px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.contact-form label { display: grid; gap: 8px; }
.contact-form label span { color: var(--ink-2); font-size: .79rem; font-weight: 800; letter-spacing: .04em; }
.contact-form input, .contact-form textarea { width: 100%; padding: 14px 15px; color: var(--ink); background: white; border: 1px solid #cfd6d4; border-radius: 8px; font: inherit; transition: border-color .2s ease, box-shadow .2s ease; }
.contact-form textarea { min-height: 145px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px rgba(166, 174, 42, .18); }
.form-wide { grid-column: 1 / -1; }
.form-submit { margin-top: 22px; border: 0; cursor: pointer; }
.form-note { max-width: 620px; margin: 12px 0 0; color: #687370; font-size: .78rem; }
.form-trap { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; }
.form-success { display: flex; flex-direction: column; gap: 3px; margin: 22px 0; padding: 17px 19px; color: #314000; background: #f0f3d9; border-left: 4px solid var(--lime); border-radius: 4px; }
.form-success[hidden] { display: none; }
.contact-card { padding: 36px; color: white; background: var(--ink-2); }
.contact-card h2 { margin-bottom: 28px; font-size: 2rem; }
.contact-line { padding: 20px 0; border-top: 1px solid var(--line); }
.contact-line small { display: block; color: var(--muted); font-size: .72rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.contact-line a, .contact-line span { display: block; margin-top: 5px; font-size: 1.08rem; font-weight: 700; }
.checklist h2 { margin: 10px 0 22px; font-size: clamp(2rem, 4vw, 3.5rem); }
.checklist p { color: #5d6765; }
.checklist ul { padding: 0; margin: 28px 0 36px; list-style: none; }
.checklist li { padding: 13px 0 13px 30px; border-bottom: 1px solid #d2d8d4; position: relative; }
.checklist li::before { content: "+"; position: absolute; left: 0; color: #6b7900; font-weight: 900; }

.site-footer { padding: 54px 0 24px; color: #c3cdca; background: #090d0e; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 50px; padding-bottom: 44px; }
.footer-grid p { max-width: 480px; color: #899491; }
.footer-col b { display: block; margin-bottom: 14px; color: white; }
.footer-col a { display: block; margin: 7px 0; color: #9eaaa7; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid var(--line); color: #6f7c79; font-size: .8rem; }

:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }

@media (max-width: 820px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 68px; }
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 68px; right: 0; left: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; background: var(--ink); border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 10px; }
  .hero { min-height: 690px; }
  .hero::before { background: linear-gradient(180deg, rgba(7,12,13,.96) 0%, rgba(7,12,13,.81) 63%, rgba(7,12,13,.5) 100%), url('/hero-laboratorio.webp') 62% center/cover no-repeat; }
  .hero-content { padding: 64px 0 176px; }
  .hero h1 { font-size: clamp(2.8rem, 13vw, 4.5rem); }
  .technical-strip .shell { grid-template-columns: 1fr 1fr; }
  .strip-item { padding: 10px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .strip-item:last-child { border-right: 0; border-bottom: 0; }
  .section { padding: 72px 0; }
  .section-head, .order-grid, .contact-layout { grid-template-columns: 1fr; gap: 28px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-wide { grid-column: auto; }
  .cards { grid-template-columns: 1fr 1fr; }
  .card { min-height: 260px; }
  .card h3 { margin-top: 38px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .service-row { grid-template-columns: 42px 1fr; padding: 30px 24px; }
  .service-row > div:last-child { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr; gap: 25px; }
  .signal-orbit { display: none; }
  .experience-panel, .faq { grid-template-columns: 1fr; gap: 30px; }
  .service-intro-grid { grid-template-columns: 1fr 1fr; }
  .service-detail summary { grid-template-columns: 45px 32px 1fr auto; gap: 10px; }
  .service-body { grid-template-columns: 1fr; gap: 16px; padding: 0 10px 30px 88px; }
}

@media (max-width: 480px) {
  .proof-grid { grid-template-columns: 1fr; }
  .actions .btn { width: 100%; }
  .page-hero { padding: 80px 0 60px; }
  .footer-bottom { flex-direction: column; }
  .cards, .service-intro-grid { grid-template-columns: 1fr; }
  .technical-strip .shell { grid-template-columns: 1fr 1fr; }
  .strip-item { padding: 9px 4px; font-size: .68rem; }
  .service-detail summary { grid-template-columns: 33px 29px 1fr auto; }
  .service-detail summary h2 { font-size: 1.18rem; }
  .service-body { padding-left: 62px; }
  .wa-float span { display: none; }
  .wa-float { width: 50px; height: 50px; justify-content: center; padding: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .signal-orbit::before, .signal-orbit::after, .sector-track { animation: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}