/* ============================================================
   nuevo.css — Data Consulting Redesign 2026
   ============================================================ */

/* === Tokens === */
:root {
  --c-ink:       #0a0a0a;
  --c-navy:      #1e3a5f;
  --c-navy-mid:  #2d5491;
  --c-slate:     #475569;
  --c-muted:     #94a3b8;
  --c-ice:       #f8fafc;
  --c-border:    #e2e8f0;
  --c-white:     #ffffff;

  /* backwards compat for aviso-privacidad inline styles */
  --brand-navy:   #1e3a5f;
  --brand-dark:   #0a0a0a;
  --brand-text:   #0a0a0a;
  --brand-slate:  #475569;
  --brand-gold:   #1e3a5f;
  --nav-height:   72px;

  --nav-h:   72px;
  --max-w:   1100px;
  --r:       6px;
  --r-lg:    10px;

  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--c-ink);
  background: var(--c-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; background: none; border: none; font: inherit; }

/* === Typography === */
.t-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-navy);
  display: block;
}
.t-h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--c-ink);
}
.t-h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--c-ink);
}
.t-h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--c-ink);
}
.t-body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-slate);
}
.t-body-lg {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--c-slate);
}

/* === Layout === */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === Nav === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.nav-inner {
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: .625rem;
  text-decoration: none;
  color: var(--c-ink);
  flex-shrink: 0;
}
.nav-brand img { height: 34px; width: auto; }
.nav-brand-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.015em;
  white-space: nowrap;
}
.nav-brand-name span { color: var(--c-navy); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links li a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--c-slate);
  transition: color .15s;
  white-space: nowrap;
}
.nav-links li a:hover,
.nav-links li a.active { color: var(--c-ink); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: .5rem 1.125rem;
  background: var(--c-ink) !important;
  color: var(--c-white) !important;
  border-radius: var(--r);
  font-size: .8125rem !important;
  font-weight: 600 !important;
  transition: background .15s !important;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--c-navy) !important; }

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--r);
  transition: background .15s;
}
.nav-toggle:hover { background: var(--c-ice); }
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-ink);
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: var(--r);
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1;
  transition: background .15s, color .15s, border-color .15s;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-light {
  background: var(--c-white);
  color: var(--c-ink);
  border-color: var(--c-white);
}
.btn-light:hover { background: var(--c-ice); border-color: var(--c-ice); }
.btn-navy {
  background: var(--c-navy);
  color: var(--c-white);
  border-color: var(--c-navy);
}
.btn-navy:hover { background: #16304f; border-color: #16304f; }
.btn-outline-light {
  background: transparent;
  color: rgba(255, 255, 255, .85);
  border-color: rgba(255, 255, 255, .4);
}
.btn-outline-light:hover {
  border-color: var(--c-white);
  color: var(--c-white);
  background: rgba(255, 255, 255, .08);
}
.btn-outline-navy {
  background: transparent;
  color: var(--c-navy);
  border-color: var(--c-navy);
}
.btn-outline-navy:hover { background: var(--c-navy); color: var(--c-white); }

/* === Sections === */
.section       { padding: 5rem 0; }
.section-sm    { padding: 3.5rem 0; }
.section-ice   { background: var(--c-ice); }
.section-navy  { background: var(--c-navy); }
.section-dark  { background: var(--c-ink); }

/* === Section heading block === */
.section-heading { max-width: 640px; margin-bottom: 3.5rem; }
.section-heading .t-label  { margin-bottom: .75rem; }
.section-heading .t-h2     { margin-bottom: 1rem; }

/* === Hero (landing) === */
.hero {
  background: var(--c-ink);
  padding: 6rem 0 5.5rem;
  position: relative;
  overflow: hidden;
}
.hero-neural {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.hero > .container { position: relative; z-index: 1; }
.hero .t-label     { color: rgba(255, 255, 255, .45); margin-bottom: 1.25rem; }
.hero .t-h1        { color: var(--c-white); margin-bottom: 1.5rem; }
.hero .t-body-lg   { color: rgba(255, 255, 255, .65); max-width: 580px; margin-bottom: 2.5rem; }
.hero-ctas         { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Typewriter cursor */
.tw-cursor {
  display: inline-block;
  width: 2px;
  height: .85em;
  background: rgba(255, 255, 255, .55);
  margin-left: 2px;
  vertical-align: -.05em;
  animation: tw-blink 1s step-end infinite;
}
@keyframes tw-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* Gradient accent line (hero + service heroes) */
.hero-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(129, 140, 248, .55), rgba(56, 189, 248, .55), transparent);
  width: 0;
  margin: 2.25rem auto 0;
  transition: width 1.4s .5s cubic-bezier(.16, 1, .3, 1);
}
.hero-line.active { width: 62%; }

/* === Service cards grid (landing) === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--c-border);
  gap: 1px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.service-card {
  background: var(--c-white);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: .875rem;
  transition: background .15s;
  transform-style: preserve-3d;
  will-change: transform;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  background: linear-gradient(140deg, rgba(129, 140, 248, .05) 0%, var(--c-ice) 65%);
}
.service-card:hover .service-icon { color: #818cf8; transition: color .2s; }
.service-icon {
  width: 36px;
  height: 36px;
  color: var(--c-navy);
  flex-shrink: 0;
}
.service-link {
  font-size: .875rem;
  font-weight: 600;
  color: var(--c-navy);
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  transition: gap .15s;
  margin-top: auto;
  padding-top: .25rem;
}
.service-link:hover { gap: .625rem; }

/* === Differentiators === */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem 3.5rem;
}
.diff-number {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  color: var(--c-navy);
  line-height: 1;
  margin-bottom: .875rem;
  opacity: .8;
}
.diff-item .t-h3 { margin-bottom: .5rem; }

/* === CTA band (navy/dark sections) === */
.cta-band { text-align: center; max-width: 580px; margin: 0 auto; }
.cta-band .t-label  { color: rgba(255, 255, 255, .4); margin-bottom: 1rem; }
.cta-band .t-h2     { color: var(--c-white); margin-bottom: 1rem; }
.cta-band .t-body   { color: rgba(255, 255, 255, .65); margin-bottom: 2.25rem; }

/* === Service subpage hero === */
.service-hero {
  padding: 5.5rem 0 4.5rem;
  border-bottom: 1px solid var(--c-border);
}
.service-hero .t-label    { margin-bottom: 1rem; }
.service-hero .t-h1       { max-width: 680px; margin-bottom: 1.5rem; }
.service-hero .t-body-lg  { max-width: 600px; }

/* === Deliverables === */
.deliverables-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 3rem;
}
.deliverable {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}
.deliverable-num {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--c-navy);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: .1rem;
}
.deliverable .t-h3   { margin-bottom: .375rem; }
.deliverable .t-body { font-size: .9375rem; }

/* === Process steps === */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  position: relative;
  gap: 2rem;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 1rem;
  left: calc(33.33% / 2 + 1rem);
  right: calc(33.33% / 2 + 1rem);
  height: 1px;
  background: var(--c-border);
  pointer-events: none;
}
.process-step { position: relative; }
.process-step-num {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--c-navy);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}
.process-step .t-h3   { margin-bottom: .5rem; }
.process-step .t-body { font-size: .9375rem; }
.process-duration {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--c-navy);
  background: rgba(30, 58, 95, .08);
  padding: .2rem .625rem;
  border-radius: 999px;
  margin-top: .75rem;
}

/* === Footer === */
.footer {
  background: var(--c-ink);
  color: rgba(255, 255, 255, .55);
  padding: 3.5rem 0 2rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  margin-bottom: 1.75rem;
}
.footer-brand-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: -.015em;
  margin-bottom: .375rem;
}
.footer-brand-name span { color: var(--c-navy-mid); }
.footer-tagline {
  font-size: .8125rem;
  color: rgba(255, 255, 255, .35);
}
.footer-nav {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
  align-items: center;
}
.footer-nav a {
  font-size: .875rem;
  color: rgba(255, 255, 255, .5);
  transition: color .15s;
}
.footer-nav a:hover { color: var(--c-white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8125rem;
  flex-wrap: wrap;
  gap: .75rem;
}

/* === WhatsApp float === */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  width: 50px;
  height: 50px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, .35);
  transition: transform .2s, box-shadow .2s;
  color: white;
}
.wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 22px rgba(37, 211, 102, .5);
}

/* === Aviso de privacidad compatibility === */
.privacy-section h2 { font-family: var(--font-serif) !important; color: var(--c-navy) !important; }
.privacy-toc        { border-left-color: var(--c-navy) !important; }
.privacy-badge      { background: rgba(30,58,95,.09) !important; border-color: rgba(30,58,95,.2) !important; color: var(--c-navy) !important; }
.privacy-toc li a   { color: var(--c-navy) !important; }
.privacy-toc li a:hover { color: var(--c-slate) !important; }
.privacy-section h2 .section-num { color: var(--c-navy) !important; }
.privacy-contact-card { background: var(--c-ink) !important; }
.privacy-contact-card .contact-label { color: rgba(255,255,255,.5) !important; }
.privacy-body a { color: var(--c-navy); }

/* === Responsive === */
@media (max-width: 960px) {
  .services-grid     { grid-template-columns: 1fr; }
  .diff-grid         { grid-template-columns: 1fr 1fr; gap: 2rem 2.5rem; }
  .deliverables-grid { grid-template-columns: 1fr; }
  .process-grid      { grid-template-columns: 1fr; gap: 2rem; }
  .process-grid::before { display: none; }
}

@media (max-width: 768px) {
  .section    { padding: 3.5rem 0; }
  .section-sm { padding: 2.5rem 0; }
  .hero       { padding: 4.5rem 0 4rem; }

  .nav-links { display: none; flex-direction: column; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--c-white);
    border-bottom: 1px solid var(--c-border);
    padding: 1.25rem 1.5rem 1.5rem;
    gap: 0;
    align-items: flex-start;
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
  }
  .nav-links.open li { width: 100%; }
  .nav-links.open li a {
    display: block;
    padding: .75rem 0;
    border-bottom: 1px solid var(--c-border);
    font-size: 1rem;
  }
  .nav-links.open li:last-child a { border-bottom: none; }
  .nav-links.open .nav-cta {
    margin-top: .5rem;
    width: 100%;
    justify-content: center;
    border-radius: var(--r);
    font-size: 1rem !important;
    padding: .75rem 1rem !important;
  }
  .nav-toggle { display: flex; }

  .diff-grid    { grid-template-columns: 1fr; gap: 2rem; }
  .hero-ctas    { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }
  .hero-line.active { width: 80%; }
  .footer-top   { flex-direction: column; }
  .footer-nav   { gap: 1.125rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .service-hero { padding: 3.5rem 0 3rem; }
  .section-heading { margin-bottom: 2.5rem; }

  .cta-band > div { flex-direction: column; align-items: stretch; }
  .cta-band > div .btn { justify-content: center; }
}

@media (max-width: 480px) {
  .container    { padding: 0 1.25rem; }
  .service-card { padding: 1.75rem; }
  .hero         { padding: 3.5rem 0 3rem; }
  .hero-line.active { width: 90%; }
  .diff-number  { font-size: 2.25rem; }
  .t-h1         { font-size: clamp(2rem, 7vw, 2.5rem); }
}

/* === Scroll Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1);
}
.reveal.is-visible { opacity: 1; transform: none; }

.services-grid .service-card:nth-child(2).reveal,
.diff-grid .diff-item:nth-child(2).reveal,
.process-grid .process-step:nth-child(2).reveal,
.deliverables-grid .deliverable:nth-child(2).reveal,
.channels-grid .channel-card:nth-child(2).reveal,
.steps-grid .step-card:nth-child(2).reveal { transition-delay: 90ms; }

.services-grid .service-card:nth-child(3).reveal,
.diff-grid .diff-item:nth-child(3).reveal,
.process-grid .process-step:nth-child(3).reveal,
.deliverables-grid .deliverable:nth-child(3).reveal,
.channels-grid .channel-card:nth-child(3).reveal,
.steps-grid .step-card:nth-child(3).reveal { transition-delay: 180ms; }

.deliverables-grid .deliverable:nth-child(4).reveal,
.steps-grid .step-card:nth-child(4).reveal { transition-delay: 270ms; }

/* === Scroll progress bar === */
.scroll-progress {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, #818cf8, #38bdf8);
  width: 0%;
  z-index: 99;
  pointer-events: none;
}

/* === Touch ripple === */
.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(129, 140, 248, .22);
  transform: scale(0);
  animation: ripple-anim .55s ease-out forwards;
  pointer-events: none;
}
@keyframes ripple-anim { to { transform: scale(4); opacity: 0; } }

/* === Sticky mobile CTA === */
.sticky-cta { display: none; }

@media (max-width: 768px) {
  .sticky-cta {
    display: block;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--c-ink);
    padding: .875rem 1.25rem;
    padding-bottom: calc(.875rem + env(safe-area-inset-bottom, 0px));
    z-index: 150;
    transform: translateY(110%);
    transition: transform .4s cubic-bezier(.16,1,.3,1);
    box-shadow: 0 -4px 24px rgba(0,0,0,.22);
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .sticky-cta.visible { transform: translateY(0); }
  .sticky-cta-inner { display: flex; gap: .625rem; }
  .sticky-cta .btn {
    flex: 1;
    justify-content: center;
    font-size: .8125rem;
    padding: .7rem .875rem;
    white-space: nowrap;
  }
  .wa-float {
    transition: bottom .4s cubic-bezier(.16,1,.3,1), transform .2s, box-shadow .2s;
  }
}