:root {
  --bg: #0B0D12;
  --cyan: #4ECBD9;
  --cyan-deep: #2E86AB;
  --amber: #FFB454;
  --ink: #E7ECF0;
  --ink-dim: #8A93A3;
  --line: rgba(231, 236, 240, 0.10);
  --edge: #3A4150;
  --surface: #12151C;
  --surface-hover: #181C26;
  --grad-cyan: linear-gradient(135deg, #4ECBD9 0%, #2E86AB 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.font-mono { font-family: 'IBM Plex Mono', monospace; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === NAVBAR === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 13, 18, 0.90);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-title {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.brand-title span { color: var(--cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}
.nav-links a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--cyan); }

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--grad-cyan);
  color: #0B0D12;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(78, 203, 217, 0.35);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(231,236,240,0.04);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(78, 203, 217, 0.05);
}

/* === BREADCRUMBS === */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--ink-dim);
  margin-bottom: 2rem;
}
.breadcrumb a {
  color: var(--ink-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb span.current { color: var(--cyan); }

/* === HERO & HEADERS === */
.hero {
  padding: 5.5rem 0 4rem;
  border-bottom: 1px solid var(--line);
}
.page-hero {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--line);
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(78, 203, 217, 0.06);
  border: 1px solid rgba(78, 203, 217, 0.25);
  border-radius: 99px;
}
.hero-title, .page-title {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 960px;
  margin-bottom: 1.6rem;
}
.hero-title span, .page-title span {
  background: var(--grad-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead, .page-lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--ink-dim);
  max-width: 800px;
  line-height: 1.65;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* === METRICS STRIP (CEREBIAL FORMAT) === */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #0d1017;
  border: 1px solid var(--edge);
  border-radius: 14px;
  overflow: hidden;
  margin: 3.5rem 0 1rem;
}
.metric-box {
  padding: 2.2rem 1.8rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.metric-box:last-child { border-right: none; }
.metric-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.85rem;
  letter-spacing: -0.03em;
}
.metric-label {
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.5;
  font-weight: 500;
}

/* === SECTIONS === */
.section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--line);
}
.section-kicker {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.section-title {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: clamp(1.75rem, 3.2vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 720px;
  margin-bottom: 3rem;
}

/* === MANIFESTO NOTE === */
.manifesto-box {
  border-left: 3px solid var(--amber);
  background: rgba(255, 180, 84, 0.06);
  padding: 1.4rem 1.8rem;
  border-radius: 0 12px 12px 0;
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 3.5rem;
}
.manifesto-box strong { color: var(--amber); }

/* === CARDS & GRIDS === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.6rem;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 2.2rem;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.service-card:hover {
  border-color: rgba(78, 203, 217, 0.4);
  background: var(--surface-hover);
  transform: translateY(-2px);
}
.service-icon {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--cyan);
  margin-bottom: 1.2rem;
  padding: 0.35rem 0.75rem;
  background: rgba(78, 203, 217, 0.08);
  border-radius: 6px;
  display: inline-block;
  width: fit-content;
}
.service-title {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
  color: var(--ink);
}
.service-desc {
  font-size: 0.92rem;
  color: var(--ink-dim);
  line-height: 1.65;
}

/* === CASE STUDY CARD === */
.case-card {
  background: linear-gradient(180deg, #12151C 0%, #0D1016 100%);
  border: 1px solid rgba(78, 203, 217, 0.3);
  border-radius: 18px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  margin-bottom: 2.5rem;
}
.case-badge {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: #0B0D12;
  background: var(--cyan);
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}
.case-title {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #fff;
}
.case-desc {
  font-size: 1.05rem;
  color: var(--ink-dim);
  line-height: 1.7;
  max-width: 820px;
  margin-bottom: 2rem;
}
.case-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 1.8rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}
.case-metric-val {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--cyan);
}
.case-metric-label {
  font-size: 0.85rem;
  color: var(--ink-dim);
  margin-top: 0.25rem;
}

/* === CRITERIA BOXES (CUÁNDO CORRESPONDE) === */
.criteria-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 3rem 0;
}
.criteria-card {
  padding: 2.2rem;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.criteria-card.yes {
  background: rgba(78, 203, 217, 0.04);
  border-color: rgba(78, 203, 217, 0.3);
}
.criteria-card.no {
  background: rgba(255, 180, 84, 0.04);
  border-color: rgba(255, 180, 84, 0.3);
}
.criteria-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}
.criteria-card.yes .criteria-tag { color: var(--cyan); }
.criteria-card.no .criteria-tag { color: var(--amber); }
.criteria-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.criteria-list li {
  font-size: 0.92rem;
  color: var(--ink);
  line-height: 1.5;
  position: relative;
  padding-left: 1.4rem;
}
.criteria-card.yes .criteria-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}
.criteria-card.no .criteria-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--amber);
  font-weight: 700;
}

/* === PRINCIPLES GRID === */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}
.principle-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 2rem;
}
.principle-card h3 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
  color: var(--ink);
}
.principle-card p {
  font-size: 0.92rem;
  color: var(--ink-dim);
  line-height: 1.65;
}

/* === STEPS GRID === */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.8rem;
}
.step-num {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--cyan);
  margin-bottom: 0.8rem;
}
.step-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--ink);
}
.step-desc {
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.6;
}

/* === FAQ ACCORDION === */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
details {
  border-bottom: 1px solid var(--line);
  padding: 1.2rem 0;
}
summary {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 2rem;
  transition: color 0.2s;
}
summary::-webkit-details-marker { display: none; }
summary:hover { color: var(--cyan); }
summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--cyan);
}
details[open] summary::after { content: '−'; }
.faq-answer {
  padding-top: 0.9rem;
  font-size: 0.95rem;
  color: var(--ink-dim);
  line-height: 1.7;
}

/* === CONTACT FORM === */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 3rem;
  max-width: 780px;
  margin: 0 auto;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-input, .form-textarea {
  background: #0B0D12;
  border: 1px solid var(--edge);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--ink);
  font-family: 'Manrope', sans-serif;
  font-size: 0.92rem;
  transition: border-color 0.2s;
}
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--cyan);
}
.form-textarea {
  resize: vertical;
  min-height: 110px;
}
.form-btn {
  width: 100%;
  background: var(--grad-cyan);
  border: none;
  color: #0B0D12;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.9rem;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.form-btn:hover { opacity: 0.92; }

/* === FOOTER === */
.footer {
  padding: 4.5rem 0 2.5rem;
  background: #08090D;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}
.footer-brand p {
  color: var(--ink-dim);
  font-size: 0.9rem;
  max-width: 340px;
  margin-top: 0.8rem;
  line-height: 1.6;
}
.footer-col h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--cyan);
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-col a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--ink-dim);
  flex-wrap: wrap;
  gap: 1rem;
}

/* === FLOATING WHATSAPP PILL === */
.wpp-pill {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s;
}
.wpp-pill:hover { transform: scale(1.08); }
.wpp-tip {
  position: absolute;
  right: calc(100% + 0.65rem);
  top: 50%;
  transform: translateY(-50%);
  background: #12151C;
  color: #e2e8f0;
  border: 1px solid var(--edge);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.wpp-pill:hover .wpp-tip { opacity: 1; }

@media (max-width: 900px) {
  .metrics-strip { grid-template-columns: repeat(2, 1fr); }
  .metric-box:nth-child(2) { border-right: none; }
  .metric-box:nth-child(1), .metric-box:nth-child(2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 820px) {
  .nav-links { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .criteria-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .case-card { padding: 2rem; }
}

@media (max-width: 560px) {
  .metrics-strip { grid-template-columns: 1fr; }
  .metric-box { border-right: none !important; border-bottom: 1px solid var(--line); }
  .metric-box:last-child { border-bottom: none; }
}