:root {
  color-scheme: dark;

  /* Brand / palette */
  --bg-0: #07070a;
  --bg-1: #0f1117;
  --card: #131722;
  --border: rgba(255, 255, 255, 0.08);

  --text: #fff;
  --text-2: #b8c0cc;
  --text-3: #7f8896;
  --text-light: #0d0d0d;
  --text-light-2: #555;

  --blue: #4da3ff;
  --cyan: #19d3f3;
  --violet: #7c5cff;
  --green: #19c37d;

  /* Typography */
  --font-sans:
    Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Noto Sans", "Liberation Sans", sans-serif;
  --font-mono:
    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;

  /* Layout */
  --container: 860px;
  --radius: 18px;
  --radius-sm: 14px;

  /* Effects */
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.55);
  --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  background: var(--bg-0);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 18px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  z-index: 1000;
  padding: 10px 12px;
  border-radius: 999px;
  background: #fff;
  color: #000;
}

.skip-link:focus {
  left: 12px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 7, 10, 0.74);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.site-header.is-elevated {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--cyan);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.brand-text {
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.nav-toggle-lines {
  width: 18px;
  height: 12px;
  display: grid;
  gap: 3px;
}

.nav-toggle-lines span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.nav a {
  text-decoration: none;
  color: var(--text-2);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav a:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.header-cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

/* Typography */
h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-weight: 600;
}

h1 {
  font-size: clamp(34px, 4.6vw, 54px);
}

h2 {
  font-size: clamp(22px, 2.6vw, 32px);
}

h3 {
  font-size: 18px;
  letter-spacing: -0.02em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.lead {
  margin-top: 14px;
  max-width: 64ch;
  color: var(--text-2);
  font-size: 1.08rem;
}

.sublead {
  margin: 10px 0 0;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.text-gradient {
  color: var(--cyan);
}

/* Sections */
.section {
  padding: 80px 0;
}

.section.compact {
  padding: 40px 0;
}

.section.alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section.light {
  background: #f9f9f9;
  color: var(--text-light);
}

.section.light .section-sub,
.section.light p {
  color: var(--text-light-2);
}

.section-header {
  display: grid;
  gap: 10px;
  max-width: 78ch;
}

.section-sub {
  margin: 0;
  color: var(--text-2);
}

/* Layout grids */
.grid {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: 1.05fr 0.95fr;
  align-items: start;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Cards */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  padding: 18px;
  box-shadow: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(77, 163, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

.card p {
  margin: 10px 0 0;
  color: var(--text-2);
}

/* Common blocks (used across pages) */
.hero-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow-soft);
}

.checklist {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--text-2);
}

.checklist li {
  margin: 8px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.12);
}

.meta-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--text-2);
}

.meta-list li {
  margin: 8px 0;
}

/* Case blocks */
.case {
  padding: 22px;
  background: rgba(255, 255, 255, 0.03);
}

.case-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
  align-items: start;
}

.case h3 {
  margin-top: 10px;
}

.case p {
  margin-top: 10px;
}

.case-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.metric {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.14);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 12px;
}

.artifact {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.18);
  padding: 12px;
  overflow: hidden;
}

.artifact-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 12px;
}

.artifact pre {
  margin: 10px 0 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.78);
}

/* Comparison */
.compare {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.compare-head {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.16);
}

.compare-head strong {
  color: var(--text);
  letter-spacing: -0.02em;
  text-transform: none;
  font-family: var(--font-sans);
  font-size: 14px;
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.compare-cell {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  color: var(--text-2);
}

.compare-cell.right {
  background: rgba(255, 255, 255, 0.02);
}

/* Stats */
.stats {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.stat {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.stat strong {
  display: block;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 10px;
  color: var(--text-2);
}

.stat small {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-3);
}

/* Taskboard visual */
.taskboard {
  display: grid;
  gap: 12px;
}

.task {
  display: grid;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.18);
  padding: 12px;
}

.task-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.task-top strong {
  letter-spacing: -0.02em;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  background: rgba(255, 255, 255, 0.02);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(25, 211, 243, 0.1);
}

.status-dot.ok {
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(25, 195, 125, 0.12);
}

.status-dot.wait {
  background: var(--blue);
  box-shadow: 0 0 0 6px rgba(77, 163, 255, 0.12);
}

.task small {
  color: var(--text-3);
}

.pricing {
  margin-top: 16px;
}

.price {
  font-size: 34px;
  letter-spacing: -0.03em;
  margin: 10px 0;
}

.price small {
  font-size: 14px;
  color: var(--text-2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.btn:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.btn-primary {
  border-color: rgba(25, 195, 125, 0.55);
  background: rgba(25, 195, 125, 0.9);
  color: #07070a;
}

.btn-primary:hover {
  box-shadow: 0 0 0 6px rgba(25, 195, 125, 0.12);
}

.btn-secondary {
  border-color: rgba(255, 255, 255, 0.12);
  background: transparent;
}

.btn-secondary:hover {
  box-shadow: 0 0 0 6px rgba(77, 163, 255, 0.08);
  border-color: rgba(77, 163, 255, 0.25);
}

.btn-whatsapp {
  border-color: rgba(25, 195, 125, 0.35);
  background: rgba(25, 195, 125, 0.08);
}

.btn-whatsapp:hover {
  box-shadow: 0 0 0 6px rgba(25, 195, 125, 0.12);
}

/* Terminal/code blocks */
.code-block {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  padding: 14px 14px;
  background: #0d0d0d;
  color: #e2e2e2;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

/* Clients strip */
.clients-wrap {
  border: 1px solid #e2e2e2;
  border-radius: 12px;
  padding: 22px;
  background: #f9f9f9;
}

.clients-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
  text-align: center;
}

.clients-sep {
  width: 1px;
  align-self: stretch;
  background: rgba(0, 0, 0, 0.12);
}

.client-name {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-light);
}

.client-sub {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-light-2);
}

.client-badge {
  margin-top: 10px;
  display: inline-flex;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-light-2);
  background: rgba(0, 0, 0, 0.03);
}

/* Para quién */
.two-col {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.two-col > div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.02);
}

.two-col > div + div {
  border-left: 1px solid var(--border);
}

.good {
  color: #065f46;
}

.bad {
  color: #991b1b;
}

.btn-small {
  padding: 10px 12px;
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* Hero */
.hero {
  padding: 84px 0 52px;
}

/* Compat: older pages */
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
  align-items: start;
}

.hero-visual {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  min-height: 360px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: none;
}

.visual-inner {
  position: relative;
  padding: 18px;
  display: grid;
  gap: 12px;
}

.visual-row {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.16);
  padding: 12px;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 12px;
  flex-wrap: wrap;
}

.panel-title strong {
  color: var(--text);
  font-weight: 600;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.03);
  max-width: 100%;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.kpi {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.18);
}

.kpi strong {
  display: block;
  letter-spacing: -0.02em;
}

.kpi span {
  display: block;
  font-size: 13px;
  color: var(--text-3);
}

.flow {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.flow-step {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--text-2);
  font-size: 14px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(25, 211, 243, 0.1);
}

.dot.violet {
  background: var(--violet);
  box-shadow: 0 0 0 6px rgba(124, 92, 255, 0.1);
}

.dot.blue {
  background: var(--blue);
  box-shadow: 0 0 0 6px rgba(77, 163, 255, 0.1);
}

/* No auto-animations (per brief) */
.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 34px 0;
  color: var(--text-2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 18px;
}

.footer a {
  color: var(--text-2);
  text-decoration: none;
}

.footer a:hover {
  color: var(--text);
  text-decoration: underline;
}

.footer small {
  color: var(--text-3);
}

/* WhatsApp floating button */
.wa-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  border: 1px solid rgba(25, 195, 125, 0.55);
  background: rgba(25, 195, 125, 0.12);
  text-decoration: none;
}

.wa-float:hover {
  box-shadow: 0 0 0 8px rgba(25, 195, 125, 0.12);
}

.wa-float svg {
  width: 22px;
  height: 22px;
}

/* Forms */
label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(77, 163, 255, 0.16);
  outline-offset: 2px;
  border-color: rgba(77, 163, 255, 0.28);
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-row {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

.helper {
  margin: 6px 0 0;
  color: var(--text-3);
  font-size: 13px;
}

.notice {
  border-left: 3px solid rgba(25, 195, 125, 0.8);
  background: rgba(25, 195, 125, 0.08);
}

/* Responsive */
@media (max-width: 980px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .compare-grid {
    grid-template-columns: 1fr;
  }

  .compare-row {
    grid-template-columns: 1fr;
  }

  .clients-grid {
    grid-template-columns: 1fr;
  }

  .clients-sep {
    display: none;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .two-col > div + div {
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    display: none;
    flex-basis: 100%;
    justify-content: flex-start;
    padding-top: 10px;
  }

  .site-header.nav-open .nav {
    display: flex;
  }

  .header-cta {
    gap: 8px;
  }

  .site-header.nav-open .header-cta {
    flex-basis: 100%;
    justify-content: flex-start;
    padding-top: 10px;
  }

  .hero {
    padding: 72px 0 46px;
  }

  .hero-visual {
    min-height: 300px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 48px 0;
  }

  .section.compact {
    padding: 24px 0;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 64px 0 40px;
  }

  .hero-visual {
    min-height: 260px;
  }

  .visual-inner {
    padding: 14px;
  }

  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .visual-row {
    grid-template-columns: 1fr;
  }

  .case-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }
}