/* ETEMEN — Design System v8 "Cimientos"
   Arquitectura + ingeniería. Sin glow, blur, orbes ni plantilla SaaS. */

:root {
  --carbon:        #0B0B0C;
  --carbon-2:      #141416;
  --carbon-3:      #1C1C1F;
  --ink:           #F4F1EA;
  --ink-dim:       rgba(244, 241, 234, 0.62);
  --ink-mute:      rgba(244, 241, 234, 0.42);
  --paper:         #F4F1EA;
  --paper-2:       #E7E2D8;
  --clay:          #B56A45;
  --stone:         #6E6A64;
  --rule:          rgba(196, 137, 74, 0.28);
  --rule-hard:     #C4894A;
  --rule-dim:      rgba(244, 241, 234, 0.10);
  --copper:        #C4894A;
  --copper-2:      #D9A870;
  --copper-3:      #8A5A29;
  --nexo:          #00C9A7;
  --hojear:        #D95D39;
  --indago:        #8B7CF7;
  --ok:            var(--copper);
  --live:          var(--copper);
  --bg:            var(--carbon);
  --surface:       var(--carbon-2);
  --text:          var(--ink);
  --muted:         var(--ink-dim);
  --space-1:       4px;
  --space-2:       8px;
  --space-3:       16px;
  --space-4:       24px;
  --space-5:       40px;
  --space-6:       64px;
  --space-7:       96px;
  --wrap:          1120px;
  --gutter:        20px;
  --bp-nav:        640px;
  --radius:        0;
  --radius-sm:     2px;
  --ease:          linear;
  --t:             150ms;
  --font-display:  "Archivo", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body:     "Source Sans 3", "Source Sans Pro", "Segoe UI", sans-serif;
  --font-mono:     "IBM Plex Mono", "Roboto Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  background: var(--carbon);
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background:
    linear-gradient(to right, var(--rule-dim) 1px, transparent 1px) 0 0 / 80px 80px,
    var(--carbon);
  color: var(--ink);
  line-height: 1.55;
  font-size: 17px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; }
strong { font-weight: 700; }

.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
@media (min-width: 640px) {
  .wrap { width: min(100% - 48px, var(--wrap)); }
}

.skip-link {
  position: absolute;
  left: 8px;
  top: -48px;
  z-index: 100;
  background: var(--copper);
  color: var(--carbon);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.skip-link:focus { top: 8px; }

/* Type */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--ink);
}
h1 {
  font-size: clamp(2.15rem, 7vw, 4.4rem);
  font-variation-settings: "wdth" 62;
  text-transform: uppercase;
}
h2 { font-size: clamp(1.5rem, 3.2vw, 2.15rem); }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; }

.lead { color: var(--ink-dim); font-size: 1.05rem; max-width: 42rem; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--copper);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}
.btn:hover { background: var(--copper); color: var(--carbon); }
.btn-primary { background: var(--copper); color: var(--carbon); }
.btn-primary:hover { background: var(--copper-2); }
.btn-ghost { border-color: var(--rule-dim); }
.btn-sm { min-height: 40px; padding: 8px 12px; }
.btn-nexo { border-color: var(--nexo); }
.btn-nexo:hover, .btn-nexo.btn-primary { background: var(--nexo); color: var(--carbon); }
.btn-hojear { border-color: var(--hojear); }
.btn-hojear:hover { background: var(--hojear); color: var(--carbon); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 11, 12, 0.94);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 28px; height: 28px; }
.logo-wordmark .name {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 13px;
  display: block;
}
.logo-wordmark .tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
}
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.nav-links a:hover,
.nav-links a.active { color: var(--ink); }
.nav-links .nav-cta { color: var(--copper); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--ink);
}

/* Live uptime widget — UptimeRobot, 30 días */
.uptime-widget {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
  min-height: 32px;
  padding: 4px 9px;
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  white-space: nowrap;
  flex-shrink: 0;
}
.uptime-widget:hover { border-color: var(--copper); color: var(--ink); }
.uptime-widget-dot {
  width: 6px;
  height: 6px;
  background: var(--stone);
  flex-shrink: 0;
}
.uptime-widget.is-ok .uptime-widget-dot { background: var(--copper); }
.uptime-widget.is-down .uptime-widget-dot { background: #b5453a; }
.uptime-widget-pct { color: var(--ink); font-weight: 500; }
.uptime-widget-win { color: var(--ink-mute); }
.uptime-widget--hero {
  margin-left: 0;
  min-height: 28px;
}
@media (max-width: 639px) {
  .uptime-widget-label,
  .uptime-widget-win { display: none; }
  .nav-toggle { margin-left: 8px; }
}
@media (max-width: 639px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 64px;
    flex-direction: column;
    align-items: stretch;
    background: var(--carbon);
    border-bottom: 1px solid var(--rule);
    padding: 8px 16px 16px;
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--rule-dim); }
}

/* Status chips */
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--rule);
  padding: 6px 10px;
}
.status-chip .mark {
  width: 6px;
  height: 6px;
  background: var(--copper);
}
.product-block--nexo .status-chip--on .mark { background: var(--nexo); }
.product-block--indago .status-chip--ops .mark { background: var(--indago); }
.product-block--hojear .status-chip--avail .mark { background: var(--hojear); }

.status-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 8px;
}

/* Hero */
.hero {
  padding: 48px 0 64px;
  border-bottom: 1px solid var(--rule);
}
.hero-frame {
  position: relative;
  border: 1px solid var(--rule);
  padding: 28px 20px 32px;
}
.hero-frame::before,
.hero-frame::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid var(--copper);
}
.hero-frame::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.hero-frame::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 22px;
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 14px;
}
.hero-note {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}

/* Sections */
.section { padding: 64px 0; border-bottom: 1px solid var(--rule-dim); }
.section--paper {
  background: var(--paper);
  color: var(--carbon);
  border-bottom: 1px solid #d6d0c4;
}
.section--paper h2,
.section--paper h3 { color: var(--carbon); }
.section--paper .lead,
.section--paper p { color: #3a3834; }
.section--paper .eyebrow { color: var(--copper-3); }
.section-head { margin-bottom: 28px; }
.sheet-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  margin-bottom: 6px;
}
.section--paper .sheet-num { color: var(--stone); }

/* Product blocks */
.product-grid {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 800px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}
.product-block {
  background: var(--carbon);
  padding: 22px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-block h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  text-transform: uppercase;
  font-variation-settings: "wdth" 62;
}
.product-block p { color: var(--ink-dim); font-size: 0.98rem; }
.product-block-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--copper);
}
.product-block--nexo { box-shadow: inset 3px 0 0 var(--nexo); }
.product-block--indago { box-shadow: inset 3px 0 0 var(--indago); }
.product-block--hojear { box-shadow: inset 3px 0 0 var(--hojear); }

/* Metrics */
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 800px) {
  .metrics { grid-template-columns: repeat(3, 1fr); }
}
.metric {
  background: var(--carbon-2);
  padding: 18px 16px;
}
.metric strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0;
}
.metric span {
  display: block;
  margin-top: 6px;
  font-size: 0.88rem;
  color: var(--ink-dim);
}

/* Cases / process / tech */
.case-grid,
.ops-grid,
.tech-grid,
.demo-grid {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 800px) {
  .case-grid { grid-template-columns: repeat(3, 1fr); }
  .ops-grid { grid-template-columns: repeat(3, 1fr); }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .demo-grid { grid-template-columns: repeat(2, 1fr); }
}
.case-card,
.ops-card,
.tech-item,
.demo-card {
  background: var(--carbon);
  padding: 20px 18px;
}
.section--paper .ops-card {
  background: var(--paper-2);
  color: var(--carbon);
}
.ops-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper);
  display: block;
  margin-bottom: 10px;
}
.case-facts,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
}
.case-facts span,
.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  padding: 4px 7px;
  color: var(--ink-dim);
}

/* Rubro selector */
.rubro-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 20px 0;
}
@media (min-width: 800px) {
  .rubro-selector { grid-template-columns: repeat(3, 1fr); }
}
.rubro-option {
  min-height: 48px;
  border: 1px solid var(--rule);
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.rubro-option[aria-selected="true"],
.rubro-option:hover {
  border-color: var(--copper);
  color: var(--copper);
}
.rubro-panel {
  border: 1px solid var(--rule);
  padding: 20px;
  margin-top: 8px;
}

/* Quote */
.quote-block {
  border-left: 2px solid var(--copper);
  padding: 8px 0 8px 18px;
  margin-top: 20px;
}
.quote-block blockquote {
  font-size: 1.08rem;
  color: var(--ink);
}
.quote-block cite {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

/* Forms */
label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 16px 0 6px;
}
input, select, textarea {
  width: 100%;
  min-height: 44px;
  background: var(--carbon);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 10px 12px;
  font: inherit;
}
textarea { min-height: 140px; resize: vertical; }
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.contact-grid {
  display: grid;
  gap: 24px;
}
@media (min-width: 800px) {
  .contact-grid { grid-template-columns: 1.4fr 0.8fr; }
}
.contact-card, .contact-aside {
  border: 1px solid var(--rule);
  padding: 20px;
}
.contact-success {
  border: 1px solid var(--copper);
  padding: 20px;
}
.contact-success h2 { margin-bottom: 8px; }
.contact-hint { margin-top: 12px; color: var(--ink-dim); font-size: 0.92rem; }
.form-error { color: var(--clay); margin-top: 10px; font-size: 0.92rem; }

/* FAQ */
.faq-item {
  border-top: 1px solid var(--rule-dim);
  padding: 14px 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin-top: 8px; color: var(--ink-dim); }

/* Price */
.price-grid {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 800px) {
  .price-grid { grid-template-columns: 1fr 1fr; }
}
.price-card {
  background: var(--carbon-2);
  padding: 22px 18px;
}
.price-card .amount {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  margin: 8px 0 14px;
}
.price-card .amount small { font-size: 0.85rem; color: var(--ink-dim); }
.price-card ul { display: grid; gap: 8px; margin-bottom: 18px; color: var(--ink-dim); }
.price-card li::before { content: "— "; color: var(--copper); }

/* Vertical page */
.vert-hero { padding: 40px 0 28px; }
.vert-split {
  display: grid;
  gap: 24px;
}
@media (min-width: 800px) {
  .vert-split { grid-template-columns: 1fr 1fr; }
}
.prob-list { display: grid; gap: 12px; }
.prob-item {
  border-top: 1px solid var(--rule);
  padding-top: 10px;
}
.prob-item .n { font-family: var(--font-mono); font-size: 11px; color: var(--copper); }
.feat-list { display: grid; gap: 10px; }
.feat-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  color: var(--ink-dim);
}
.feat-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 7px;
  background: var(--copper);
}

/* Case study */
.case-section { padding: 28px 0; border-top: 1px solid var(--rule-dim); }
.case-section h2 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--copper);
  margin-bottom: 10px;
}

/* Footer */
.footer {
  padding: 40px 0 24px;
  border-top: 1px solid var(--rule);
}
.footer-grid {
  display: grid;
  gap: 24px;
}
@media (min-width: 800px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 10px;
}
.footer a, .footer p {
  display: block;
  color: var(--ink-dim);
  font-size: 0.92rem;
  margin-top: 6px;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

.page-hero { padding: 40px 0 12px; }

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