:root {
  --primary: #356b8d;
  --primary-hover: #2a5570;
  --whatsapp: #25d366;
  --whatsapp-hover: #20b858;
  --white: #ffffff;
  --light: #f8f9fa;
  --muted: #e9ecef;
  --ink: #17212b;
  --ink-soft: #4c5966;
  --line: #d9e0e5;
  --danger: #b64545;
  --radius: .25rem;
  --shadow-rest: 0 .25rem .75rem rgba(0,0,0,.05);
  --shadow-hover: 0 .5rem 1.25rem rgba(0,0,0,.08);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); }
a:hover { color: var(--primary-hover); }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 1000; background: var(--ink); color: white; padding: .65rem .9rem; border-radius: var(--radius); }
.skip-link:focus { top: 1rem; }

.container { width: min(calc(100% - 2rem), var(--container)); margin: 0 auto; }
.narrow { max-width: 780px; }
.center { text-align: center; }
.section { padding: 6rem 0; }
.section-muted { background: var(--light); }
.section-heading { max-width: 760px; margin-bottom: 2.5rem; }
.section-heading h2, .split h2, .final-cta h2, .hero h1 {
  margin: .45rem 0 1rem;
  line-height: 1.18;
  letter-spacing: -.025em;
}
.hero h1 { font-size: clamp(2.35rem, 5vw, 4rem); max-width: 760px; }
.section h2 { font-size: clamp(2rem, 3.4vw, 3rem); }
h3 { line-height: 1.25; }
.eyebrow { color: var(--primary); font-size: .78rem; font-weight: 800; letter-spacing: .14em; margin: 0; }
.emphasis { color: var(--ink); font-weight: 700; }
.fine-print { color: var(--ink-soft); font-size: .94rem; }
.data-disclaimer { color: var(--ink-soft); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(217,224,229,.85);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand-lockup { display: inline-flex; align-items: center; gap: .8rem; color: var(--ink); text-decoration: none; }
.brand-lockup img { width: 145px; object-fit: contain; }
.brand-divider { width: 1px; height: 28px; background: var(--line); }
.product-name { font-weight: 800; letter-spacing: -.02em; }
.main-nav { display: flex; align-items: center; gap: 1.15rem; }
.main-nav a { color: var(--ink); text-decoration: none; font-size: .93rem; font-weight: 650; }
.main-nav a:not(.button):hover { color: var(--primary); }
.menu-toggle { display: none; border: 0; background: transparent; padding: .5rem; }
.menu-toggle span:not(.sr-only) { display: block; width: 25px; height: 2px; margin: 5px 0; background: var(--ink); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .7rem 1.1rem;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  background: var(--primary);
  color: white !important;
  font-weight: 750;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.button:hover { background: var(--primary-hover); border-color: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.button-secondary { background: white; color: var(--primary) !important; }
.button-secondary:hover { color: white !important; }
.button-small { min-height: 40px; padding: .5rem .8rem; font-size: .9rem !important; }
.button-whatsapp { background: var(--whatsapp); border-color: var(--whatsapp); }
.button-whatsapp:hover { background: var(--whatsapp-hover); border-color: var(--whatsapp-hover); }

.hero { padding-top: 7rem; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 4rem; align-items: center; }
.hero-lead { max-width: 720px; color: var(--ink-soft); font-size: 1.18rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.8rem; }
.hero-note { margin-top: 1.2rem; color: var(--ink-soft); font-size: .96rem; }

.product-preview {
  border: 1px solid #ccd6dc;
  border-radius: .45rem;
  overflow: hidden;
  box-shadow: 0 1.3rem 3rem rgba(25,50,68,.13);
  background: white;
  transform: perspective(1100px) rotateY(-2deg) rotateX(1deg);
}
.preview-chrome { height: 44px; background: #f1f4f6; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: .4rem; padding: 0 .9rem; }
.preview-chrome span { width: 9px; height: 9px; border-radius: 50%; background: #b8c1c8; }
.preview-chrome strong { margin-left: .45rem; color: #64717b; font-size: .72rem; }
.preview-body { min-height: 425px; display: flex; }
.preview-sidebar { width: 55px; background: #1f2d36; padding: .8rem .55rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.preview-logo { width: 32px; height: 32px; display: grid; place-items: center; background: var(--primary); color: white; font-weight: 800; border-radius: .2rem; font-size: .72rem; }
.preview-sidebar > span { width: 26px; height: 5px; background: #49606e; border-radius: 4px; }
.preview-sidebar > span.active { background: #8cb5cf; }
.preview-main { flex: 1; padding: 1.15rem; background: #fbfcfd; }
.preview-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.preview-heading small { font-size: .58rem; letter-spacing: .14em; color: var(--primary); font-weight: 800; }
.preview-heading h2 { font-size: 1.1rem; margin: .25rem 0 0; }
.status-pill { padding: .22rem .48rem; background: #e9f7ee; color: #226b3b; border-radius: 999px; font-size: .62rem; font-weight: 800; }
.metric-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .55rem; margin: 1rem 0; }
.metric-grid article { background: white; border: 1px solid #e4eaee; padding: .72rem; box-shadow: var(--shadow-rest); }
.metric-grid small, .metric-grid span { display: block; color: #6b7780; font-size: .6rem; }
.metric-grid strong { display: block; font-size: .94rem; margin: .2rem 0; }
.preview-panels { display: grid; grid-template-columns: 1.35fr .65fr; gap: .6rem; }
.queue-panel, .outcome-panel { background: white; border: 1px solid #e4eaee; padding: .8rem; box-shadow: var(--shadow-rest); }
.panel-title { display: flex; justify-content: space-between; gap: .6rem; align-items: center; font-size: .7rem; }
.panel-title span { color: #6b7780; }
.queue-panel ul { list-style: none; padding: 0; margin: .65rem 0 0; }
.queue-panel li { display: grid; grid-template-columns: 8px 1fr auto; gap: .45rem; align-items: center; padding: .5rem 0; border-top: 1px solid #edf1f3; }
.queue-panel li div strong, .queue-panel li div small { display: block; }
.queue-panel li div strong { font-size: .64rem; }
.queue-panel li div small { color: #75828c; font-size: .55rem; }
.queue-panel li b { font-size: .58rem; color: #59666f; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); }
.dot.overdue { background: #c65353; }
.dot.today { background: #d4a017; }
.dot.future { background: #4e7896; }
.outcome-bars { height: 145px; display: flex; align-items: end; gap: .35rem; padding: 1rem .25rem .5rem; }
.outcome-bars span { flex: 1; background: var(--primary); border-radius: 2px 2px 0 0; opacity: .86; }
.outcome-panel > small { color: #76838c; font-size: .56rem; }

.problem-strip { margin-top: 2.5rem; display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: .7rem; }
.problem-strip span { background: white; border: 1px solid var(--line); padding: .65rem .85rem; box-shadow: var(--shadow-rest); font-weight: 700; font-size: .9rem; }
.problem-strip i { color: var(--primary); font-style: normal; font-weight: 800; }

.cards-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.feature-card { border: 1px solid var(--line); background: white; padding: 2rem; box-shadow: var(--shadow-rest); transition: transform .18s ease, box-shadow .18s ease; }
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.icon-box { display: grid; place-items: center; width: 38px; height: 38px; background: #eef4f7; color: var(--primary); font-weight: 850; border-radius: var(--radius); }
.feature-card h3 { margin-bottom: .6rem; }
.feature-card p { color: var(--ink-soft); margin: 0; }

.journey { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.journey li { display: flex; gap: 1rem; border-top: 3px solid var(--muted); padding: 1.3rem 0; }
.journey li > span { display: grid; place-items: center; min-width: 36px; height: 36px; background: var(--primary); color: white; border-radius: 50%; font-weight: 800; }
.journey h3 { margin: .25rem 0; }
.journey p { margin: 0; color: var(--ink-soft); }
.callout { margin-top: 2rem; border-left: 4px solid var(--primary); background: white; padding: 1rem 1.2rem; box-shadow: var(--shadow-rest); }
.callout p { margin: .2rem 0 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.tag-list, .channel-list { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.2rem; }
.tag-list span, .channel-list span { background: var(--light); border: 1px solid var(--line); padding: .48rem .7rem; font-size: .9rem; font-weight: 700; }
.control-card { border: 1px solid var(--line); background: white; box-shadow: var(--shadow-rest); }
.control-card-head { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.1rem; background: var(--light); border-bottom: 1px solid var(--line); }
.control-card-head span { color: var(--ink-soft); font-size: .9rem; }
.control-item { display: grid; grid-template-columns: 90px 1fr; gap: .25rem 1rem; padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); }
.control-item:last-child { border-bottom: 0; }
.control-item > span { grid-row: 1 / span 2; align-self: center; padding: .28rem .45rem; text-align: center; border-radius: 999px; font-size: .72rem; font-weight: 800; background: #eef4f7; color: var(--primary); }
.control-item.danger > span { background: #faeeee; color: var(--danger); }
.control-item small { color: var(--ink-soft); }

.two-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.detail-card { background: white; border: 1px solid var(--line); padding: 2rem; box-shadow: var(--shadow-rest); }
.detail-kicker { color: var(--primary); font-weight: 850; font-size: .78rem; letter-spacing: .1em; }
.detail-card ul { padding-left: 1.2rem; color: var(--ink-soft); }

.analytics-card { border: 1px solid var(--line); padding: 1.2rem; box-shadow: var(--shadow-rest); background: white; }
.analytics-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.analytics-head small, .analytics-head strong { display: block; }
.analytics-head small { color: var(--primary); font-size: .7rem; font-weight: 800; letter-spacing: .08em; }
.analytics-head span { color: var(--ink-soft); font-size: .8rem; }
.analytics-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: .6rem; margin: 1rem 0; }
.analytics-grid div { background: var(--light); padding: .7rem; }
.analytics-grid small, .analytics-grid strong { display: block; }
.analytics-grid small { color: var(--ink-soft); font-size: .68rem; }
.analytics-grid strong { font-size: 1rem; }
.loss-list { display: grid; gap: .5rem; }
.loss-list span { display: grid; grid-template-columns: 140px 1fr; align-items: center; gap: .7rem; }
.loss-list b { font-size: .72rem; }
.loss-list i { height: 9px; background: var(--primary); border-radius: 2px; }
.data-disclaimer { display: block; margin-top: 1rem; }

.utm-card { background: #1f2d36; color: white; padding: 1.6rem; box-shadow: var(--shadow-hover); }
.utm-card > small { color: #9dc1d7; font-weight: 800; letter-spacing: .09em; }
.utm-card code { display: block; margin: 1rem 0; padding: .8rem; background: #152129; color: #d9ecf6; overflow-wrap: anywhere; font-size: .78rem; }
.utm-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: .6rem; }
.utm-stats div { border-top: 1px solid #465962; padding-top: .8rem; }
.utm-stats strong, .utm-stats span { display: block; }
.utm-stats strong { font-size: 1.3rem; }
.utm-stats span { color: #aab8c0; font-size: .75rem; }

.architecture { display: grid; grid-template-columns: 1fr .15fr 1fr 1fr; gap: 1rem; align-items: stretch; }
.core-box, .instance-card { border: 1px solid var(--line); background: white; padding: 1.5rem; box-shadow: var(--shadow-rest); }
.core-box { display: flex; flex-direction: column; justify-content: center; background: #1f2d36; color: white; }
.core-box small, .instance-card small { color: #9dc1d7; font-size: .72rem; letter-spacing: .1em; font-weight: 800; }
.core-box strong, .instance-card strong { display: block; font-size: 1.25rem; margin: .25rem 0; }
.core-box span { color: #b9c6cd; }
.architecture-lines { display: flex; flex-direction: column; justify-content: space-around; }
.architecture-lines span { display: block; height: 2px; background: var(--primary); }
.instance-card small { color: var(--primary); }
.instance-card ul { margin-bottom: 0; padding-left: 1.1rem; color: var(--ink-soft); }

.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.security-grid article { background: white; border: 1px solid var(--line); padding: 1.4rem; box-shadow: var(--shadow-rest); }
.security-grid strong, .security-grid span { display: block; }
.security-grid strong { color: var(--primary); font-size: 1.25rem; }
.security-grid span { color: var(--ink-soft); font-size: .92rem; }

.artetech-section { border-top: 1px solid var(--line); }
.text-link { display: inline-block; margin-top: .7rem; font-weight: 750; text-decoration: none; }
.artetech-card { background: var(--light); border: 1px solid var(--line); padding: 2rem; }
.artetech-card img { max-width: 220px; }
.artetech-card blockquote { margin: 1.3rem 0; font-size: 1.35rem; font-weight: 750; line-height: 1.35; }
.artetech-card > span { color: var(--ink-soft); font-size: .9rem; }

.final-cta { background: #eef4f7; border-top: 1px solid #dce5ea; border-bottom: 1px solid #dce5ea; }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 3rem; }
.final-cta-inner > div:first-child { max-width: 720px; }
.final-actions { display: flex; flex-direction: column; min-width: 250px; gap: .65rem; }

.site-footer { padding: 3rem 0; background: #1f2d36; color: #d6e0e5; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem 3rem; align-items: start; }
.site-footer strong { color: white; font-size: 1.2rem; }
.site-footer p { margin: .2rem 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.site-footer a { color: #d6e0e5; text-decoration: none; }
.site-footer a:hover { color: white; }
.copyright { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid #3b4a53; font-size: .85rem; color: #9baab3; }

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 68px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: white;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-hover);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: .4rem 0; }
  .main-nav .button { margin-top: .4rem; }
  .hero-grid, .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .product-preview { transform: none; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .journey { grid-template-columns: 1fr 1fr; }
  .architecture { grid-template-columns: 1fr 1fr; }
  .architecture-lines { display: none; }
  .core-box { grid-column: 1 / -1; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .final-actions { width: 100%; min-width: 0; flex-direction: row; }
}

@media (max-width: 680px) {
  body { font-size: 1rem; }
  .section { padding: 4rem 0; }
  .hero { padding-top: 4.5rem; }
  .brand-lockup img { width: 118px; }
  .product-name { font-size: .9rem; }
  .preview-body { min-height: 360px; }
  .preview-sidebar { display: none; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-grid article:nth-child(3) { display: none; }
  .preview-panels { grid-template-columns: 1fr; }
  .outcome-panel { display: none; }
  .cards-grid, .journey, .two-cards, .architecture, .security-grid { grid-template-columns: 1fr; }
  .analytics-grid { grid-template-columns: 1fr 1fr; }
  .loss-list span { grid-template-columns: 110px 1fr; }
  .problem-strip i { display: none; }
  .problem-strip span { width: 100%; text-align: center; }
  .final-actions { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .site-footer nav { flex-direction: column; gap: .55rem; }
  .copyright { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}