/* ============================================================
   INNTELLIGENT — Global Stylesheet
   Light / white theme with brand color accents
   ============================================================ */

/* ===== CSS VARIABLES / DESIGN TOKENS ===== */
:root {
  --c-bg:           #ffffff;
  --c-bg-alt:       #ffffff;
  --c-bg-card:      #ffffff;
  --c-bg-card-alt:  #f8fafc;
  --c-brand-navy:   #112e50;
  --c-brand-red:    #ad1e20;
  --c-blue:         #2563eb;
  --c-blue-light:   #3b82f6;
  --c-teal:         #0d9488;
  --c-teal-light:   #14b8a6;
  --c-text:         #0f172a;
  --c-text-muted:   #475569;
  --c-text-dim:     #94a3b8;
  --c-border:       rgba(0,0,0,0.08);
  --c-border-muted: rgba(0,0,0,0.04);

  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  --r-sm:   0.375rem;
  --r-md:   0.625rem;
  --r-lg:   1rem;
  --r-xl:   1.5rem;
  --r-full: 9999px;

  --shadow-card:  0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.07);
  --shadow-hover: 0 4px 24px rgba(0,0,0,0.1);

  --transition:      0.25s ease;
  --transition-slow: 0.4s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input, textarea, select { font-family: inherit; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f8fafc; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: var(--r-full); }

:focus-visible { outline: 2px solid var(--c-blue); outline-offset: 3px; }

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}
@media (max-width: 640px) { .container { padding-inline: 1rem; } }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--c-text);
  font-weight: 700;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
h4 { font-size: 1.0625rem; }
p  { color: var(--c-text-muted); line-height: 1.75; }

.text-accent { color: var(--c-blue); }
.text-red    { color: var(--c-brand-red); }
.text-teal   { color: var(--c-teal); }
.text-muted  { color: var(--c-text-muted); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  text-decoration: none;
  white-space: nowrap;
  border: 2px solid transparent;
  letter-spacing: 0.01em;
}
.btn:focus-visible { outline: 2px solid var(--c-blue); outline-offset: 3px; }
.btn--primary {
  background: var(--c-brand-red);
  color: #fff;
  border-color: var(--c-brand-red);
}
.btn--primary:hover {
  background: #c42224;
  box-shadow: 0 4px 20px rgba(173,30,32,0.35);
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--c-text);
  border-color: rgba(0,0,0,0.18);
}
.btn--outline:hover {
  border-color: var(--c-blue);
  color: var(--c-blue);
  background: rgba(37,99,235,0.05);
}
.btn--ghost {
  background: rgba(0,0,0,0.04);
  color: var(--c-text);
  border-color: var(--c-border);
}
.btn--ghost:hover { background: rgba(0,0,0,0.07); }
.btn--sm { font-size: 0.8125rem; padding: 0.4rem 1rem; }
.btn--md { font-size: 0.9rem;    padding: 0.6rem 1.25rem; }
.btn--lg { font-size: 1rem;      padding: 0.85rem 2rem; }

/* ===== BADGE ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(37,99,235,0.07);
  border: 1px solid rgba(37,99,235,0.16);
  color: var(--c-blue);
  border-radius: var(--r-full);
  font-size: 0.775rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ===== SECTIONS ===== */
.section { padding-block: 6rem; }
.section--alt {
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 4rem;
}
.section-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--c-teal);
  margin-bottom: 0.75rem;
}
.section-header h2 { margin-bottom: 1rem; }
.section-lead {
  font-size: 1.0625rem;
  max-width: 640px;
  margin-inline: auto;
}
.section-divider {
  width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--c-brand-red), var(--c-blue));
  border-radius: var(--r-full);
  margin: 1rem auto;
}

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal--left  { opacity: 0; transform: translateX(-24px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal--right { opacity: 0; transform: translateX(24px);  transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }
.reveal.visible,
.reveal--left.visible,
.reveal--right.visible { opacity: 1; transform: none; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding-block: 0.75rem;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  padding-block: 0.5rem;
}
.navbar__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.navbar__logo { flex-shrink: 0; display: flex; align-items: center; }
.navbar__logo img { height: 48px; width: auto; }
.navbar__nav { flex: 1; }
.navbar__links { display: flex; align-items: center; gap: 0.125rem; }
.nav-link {
  font-size: 0.835rem;
  font-weight: 500;
  color: var(--c-text-muted);
  padding: 0.4rem 0.7rem;
  border-radius: var(--r-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--c-text); background: rgba(0,0,0,0.04); }
.nav-link.active { color: var(--c-blue); }
.navbar__cta { flex-shrink: 0; }
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  flex-shrink: 0;
}
.navbar__toggle-bar {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-text);
  border-radius: var(--r-full);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 998;
}
.nav-overlay.visible { display: block; }

@media (max-width: 1024px) {
  .navbar__nav {
    position: fixed;
    top: 0; right: -100%;
    height: 100vh;
    width: min(280px, 85vw);
    background: #fff;
    border-left: 1px solid var(--c-border);
    padding: 5rem 2rem 2rem;
    transition: right var(--transition-slow);
    z-index: 999;
    overflow-y: auto;
  }
  .navbar__nav.open { right: 0; box-shadow: -10px 0 40px rgba(0,0,0,0.12); }
  .navbar__links { flex-direction: column; align-items: flex-start; gap: 0.25rem; }
  .nav-link { font-size: 1rem; padding: 0.7rem 1rem; width: 100%; display: block; }
  .navbar__toggle { display: flex; z-index: 1001; }
  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2) { opacity: 0; }
  .navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .navbar__cta { display: none; }
}
@media (max-width: 640px) { .navbar__logo img { height: 36px; } }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
  background: #ffffff;
}
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.03) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}
.hero__bg-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(37,99,235,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 15% 80%, rgba(13,148,136,0.04) 0%, transparent 60%);
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 6rem;
}
.hero__eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-teal);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px; height: 2px;
  background: var(--c-teal);
  border-radius: var(--r-full);
}
.hero__title { margin-bottom: 1.25rem; line-height: 1.12; }
.hero__subtitle {
  font-size: 1.0625rem;
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.78;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero__visual { display: flex; align-items: center; justify-content: center; }

/* Hero vertical cards */
.hero__verticals-grid {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  width: 100%;
  max-width: 440px;
}
.hero__vc {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
  border-left-width: 4px;
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero__vc:hover { transform: translateX(4px); box-shadow: var(--shadow-hover); }
.hero__vc--red  { border-left-color: var(--c-brand-red); }
.hero__vc--teal { border-left-color: var(--c-teal); }
.hero__vc--blue { border-left-color: var(--c-blue); }
.hero__vc-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
}
.hero__vc-icon svg { width: 22px; height: 22px; }
.hero__vc--red  .hero__vc-icon { background: rgba(173,30,32,0.07); color: var(--c-brand-red); }
.hero__vc--teal .hero__vc-icon { background: rgba(13,148,136,0.07); color: var(--c-teal); }
.hero__vc--blue .hero__vc-icon { background: rgba(37,99,235,0.07); color: var(--c-blue); }
.hero__vc-text { flex: 1; min-width: 0; }
.hero__vc-name {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 0.15rem;
}
.hero__vc-prop {
  font-size: 0.75rem;
  color: var(--c-text-muted);
  margin-bottom: 0.5rem;
}
.hero__vc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.hero__vc-tags span {
  font-size: 0.68rem;
  padding: 0.15rem 0.55rem;
  border-radius: var(--r-full);
  background: var(--c-bg-card-alt);
  border: 1px solid var(--c-border);
  color: var(--c-text-dim);
}
.hero__pmo-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border-radius: var(--r-md);
  background: var(--c-brand-navy);
  color: rgba(255,255,255,0.85);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero__visual { order: -1; width: 100%; justify-content: flex-start; }
  .hero__verticals-grid { max-width: 100%; }
}
@media (max-width: 640px) {
  .hero { min-height: auto; padding-top: 72px; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { text-align: center; }
  .hero__badges { display: none; }
}

/* ============================================================
   PROBLEMA
   ============================================================ */
.problema__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.problema__card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition);
}
.problema__card:hover { border-color: rgba(173,30,32,0.22); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.problema__icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(173,30,32,0.07);
  border-radius: var(--r-md);
  color: var(--c-brand-red);
}
.problema__icon svg { width: 20px; height: 20px; }
.problema__card h4 { margin-bottom: 0.25rem; font-size: 0.9375rem; }
.problema__card p  { font-size: 0.845rem; margin: 0; }

/* Solución al problema */
.problema__solution {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 2rem;
  background: rgba(37,99,235,0.04);
  border: 1.5px solid rgba(37,99,235,0.18);
  border-radius: var(--r-lg);
  max-width: 640px;
  margin-inline: auto;
}
.problema__solution-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: rgba(37,99,235,0.08);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-blue);
}
.problema__solution-icon svg { width: 24px; height: 24px; }
.problema__solution-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-blue);
  margin-bottom: 0.25rem;
}
.problema__solution-title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--c-text);
}

@media (max-width: 900px) { .problema__cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .problema__cards { grid-template-columns: 1fr; } }

/* ============================================================
   MÉTODO
   ============================================================ */
.metodo__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.metodo__step {
  position: relative;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition-slow);
}
.metodo__step:hover {
  border-color: rgba(37,99,235,0.2);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.metodo__step-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(37,99,235,0.1);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.metodo__step-icon {
  width: 44px; height: 44px;
  background: rgba(37,99,235,0.07);
  border: 1px solid rgba(37,99,235,0.14);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
  color: var(--c-blue);
}
.metodo__step-icon svg { width: 20px; height: 20px; }
.metodo__step h3 { font-size: 0.9375rem; margin-bottom: 0.625rem; }
.metodo__step p  { font-size: 0.845rem; }

@media (max-width: 900px) { .metodo__steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .metodo__steps { grid-template-columns: 1fr; } }

/* ============================================================
   VERTICALES
   ============================================================ */
.verticales__tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.vertical-tab {
  padding: 0.65rem 1.5rem;
  border-radius: var(--r-full);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1.5px solid var(--c-border);
  color: var(--c-text-muted);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.vertical-tab:hover { color: var(--c-text); border-color: rgba(0,0,0,0.18); box-shadow: var(--shadow-card); }
.vertical-tab[data-vertical="0"].active { background: var(--c-brand-red); border-color: var(--c-brand-red); color: #fff; box-shadow: 0 4px 16px rgba(173,30,32,0.3); }
.vertical-tab[data-vertical="1"].active { background: var(--c-teal); border-color: var(--c-teal); color: #fff; box-shadow: 0 4px 16px rgba(13,148,136,0.3); }
.vertical-tab[data-vertical="2"].active { background: var(--c-blue); border-color: var(--c-blue); color: #fff; box-shadow: 0 4px 16px rgba(37,99,235,0.3); }

.verticales__panel { display: none; }
.verticales__panel.active {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.vertical__badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.2rem 0.75rem;
  border-radius: var(--r-full);
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.vertical__badge--0 { background: rgba(173,30,32,0.08); color: var(--c-brand-red); border: 1px solid rgba(173,30,32,0.18); }
.vertical__badge--1 { background: rgba(13,148,136,0.08); color: var(--c-teal); border: 1px solid rgba(13,148,136,0.18); }
.vertical__badge--2 { background: rgba(37,99,235,0.08); color: var(--c-blue); border: 1px solid rgba(37,99,235,0.18); }

.vertical__value-prop {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-dim);
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.875rem;
  background: #f8fafc;
  border-radius: var(--r-full);
  border: 1px solid var(--c-border);
}

.vertical__description { font-size: 1rem; margin-bottom: 1.5rem; }
.vertical__includes { margin-bottom: 1.5rem; }
.vertical__includes-label {
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--c-text-dim); margin-bottom: 0.75rem;
}
.vertical__includes ul { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.vertical__includes li {
  font-size: 0.78rem;
  padding: 0.25rem 0.75rem;
  background: #f8fafc;
  border: 1px solid var(--c-border);
  border-radius: var(--r-full);
  color: var(--c-text-muted);
}
.vertical__benefits {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
}
.vertical__benefits-label {
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--c-text-dim); margin-bottom: 1rem;
}
.benefit-item { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.75rem; }
.benefit-item:last-child { margin-bottom: 0; }
.benefit-dot {
  flex-shrink: 0; width: 6px; height: 6px;
  border-radius: 50%; background: var(--c-teal); margin-top: 0.55em;
}
.benefit-item p { font-size: 0.875rem; margin: 0; }

.vertical__deliverables-label {
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--c-text-dim); margin-bottom: 0.875rem;
}
.deliverable-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.7rem 1rem;
  background: #f8fafc;
  border-radius: var(--r-md);
  margin-bottom: 0.5rem;
  border: 1px solid var(--c-border);
}
.deliverable-item:last-child { margin-bottom: 0; }
.deliverable-arrow { color: var(--c-blue); font-size: 0.8rem; font-weight: 700; flex-shrink: 0; }
.deliverable-item span { font-size: 0.845rem; color: var(--c-text-muted); }

@media (max-width: 900px) { .verticales__panel.active { grid-template-columns: 1fr; } }

/* ============================================================
   MODELO DE ATENCIÓN INTEGRAL
   ============================================================ */
.modelo__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.modelo__vertical-col {
  border-radius: var(--r-lg);
  border: 1.5px solid var(--c-border);
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-slow), box-shadow var(--transition);
}
.modelo__vertical-col:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.modelo__vertical-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.modelo__vertical-header--red   { background: var(--c-brand-red); }
.modelo__vertical-header--teal  { background: var(--c-teal); }
.modelo__vertical-header--blue  { background: var(--c-blue); }
.modelo__vertical-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}
.modelo__vertical-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}
.modelo__vertical-body { padding: 1.25rem 1.5rem; }
.modelo__vertical-body ul { display: flex; flex-direction: column; gap: 0.5rem; }
.modelo__vertical-body li {
  font-size: 0.825rem;
  color: var(--c-text-muted);
  display: flex; align-items: flex-start; gap: 0.5rem;
}
.modelo__vertical-body li::before {
  content: '•';
  color: var(--c-text-dim);
  flex-shrink: 0;
  margin-top: 0.05em;
}
.modelo__vertical-promise {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.modelo__vertical-promise--red  { color: var(--c-brand-red); }
.modelo__vertical-promise--teal { color: var(--c-teal); }
.modelo__vertical-promise--blue { color: var(--c-blue); }

/* Horizontal layers — white theme */
.modelo__layers { display: flex; flex-direction: column; gap: 1rem; }
.modelo__layer {
  border-radius: var(--r-lg);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  border: 1.5px solid var(--c-border);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-slow), box-shadow var(--transition);
}
.modelo__layer:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.modelo__layer--strategic { border-color: rgba(173,30,32,0.22); }
.modelo__layer--operational { border-color: rgba(13,148,136,0.22); }

.modelo__layer-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-md);
}
.modelo__layer--strategic .modelo__layer-icon   { background: rgba(173,30,32,0.07); }
.modelo__layer--operational .modelo__layer-icon { background: rgba(13,148,136,0.07); }

.modelo__layer-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}
.modelo__layer--strategic .modelo__layer-tag   { color: var(--c-brand-red); }
.modelo__layer--operational .modelo__layer-tag { color: var(--c-teal); }

.modelo__layer-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 0.5rem;
}
.modelo__layer-items {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.modelo__layer-item {
  font-size: 0.78rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--r-full);
  color: var(--c-text-muted);
}
.modelo__layer--strategic .modelo__layer-item {
  background: rgba(173,30,32,0.05);
  border: 1px solid rgba(173,30,32,0.14);
}
.modelo__layer--operational .modelo__layer-item {
  background: rgba(13,148,136,0.05);
  border: 1px solid rgba(13,148,136,0.14);
}

@media (max-width: 900px) {
  .modelo__grid { grid-template-columns: 1fr; }
  .modelo__layer { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

/* ============================================================
   KPIs — white theme
   ============================================================ */
.kpis__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.kpi-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition);
}
.kpi-card:hover { border-color: rgba(37,99,235,0.22); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.kpi-card__icon {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.kpi-card__icon svg { width: 22px; height: 22px; }
.kpi-card__label { font-size: 0.875rem; font-weight: 700; color: var(--c-text); margin-bottom: 0.5rem; font-family: var(--font-display); }
.kpi-card__desc  { font-size: 0.8rem; margin: 0; color: var(--c-text-muted); }

@media (max-width: 900px) { .kpis__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .kpis__grid { grid-template-columns: 1fr; } }

/* ============================================================
   ENTORNOS
   ============================================================ */
.entornos__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.entorno-card {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition);
}
.entorno-card:hover { border-color: rgba(13,148,136,0.25); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.entorno-card__icon { font-size: 1.75rem; margin-bottom: 1rem; line-height: 1; }
.entorno-card h3   { font-size: 0.9375rem; margin-bottom: 0.625rem; }
.entorno-card p    { font-size: 0.825rem; }
.entorno-card__signal {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
  font-size: 0.775rem;
  color: var(--c-text-dim);
}
.entorno-card__signal strong { color: var(--c-brand-red); font-weight: 600; }

@media (max-width: 900px) { .entornos__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .entornos__grid { grid-template-columns: 1fr; } }

/* ============================================================
   PAQUETES
   ============================================================ */
.paquetes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.paquete-card {
  background: var(--c-bg-card);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition);
}
.paquete-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.paquete-card--featured {
  border-color: var(--c-blue);
  box-shadow: 0 0 0 1px rgba(37,99,235,0.15), 0 8px 32px rgba(37,99,235,0.1);
}
.paquete-card--featured:hover {
  box-shadow: 0 0 0 1px rgba(37,99,235,0.25), 0 12px 40px rgba(37,99,235,0.15);
}
.paquete__badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 0.2rem 0.75rem;
  border-radius: var(--r-full);
  width: fit-content;
}
.paquete__badge--entry   { background: rgba(13,148,136,0.08); color: var(--c-teal); border: 1px solid rgba(13,148,136,0.2); }
.paquete__badge--project { background: rgba(37,99,235,0.08); color: var(--c-blue); border: 1px solid rgba(37,99,235,0.2); }
.paquete__badge--ongoing { background: rgba(173,30,32,0.08); color: var(--c-brand-red); border: 1px solid rgba(173,30,32,0.2); }

.paquete__name  { font-size: 1.2rem; font-weight: 700; font-family: var(--font-display); margin: 0; }
.paquete__ideal { font-size: 0.8rem; color: var(--c-text-dim); margin: 0; }
.paquete__ideal strong { color: var(--c-text-muted); font-weight: 500; }
.paquete__divider { height: 1px; background: var(--c-border); }

.paquete__list { display: flex; flex-direction: column; gap: 0.75rem; }
.paquete__list-item { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.875rem; color: var(--c-text-muted); }
.paquete__check {
  flex-shrink: 0; width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem; margin-top: 0.1em;
  background: rgba(37,99,235,0.08); color: var(--c-blue); font-weight: 700;
}
.paquete__entregables {
  background: #f8fafc;
  border-radius: var(--r-md);
  padding: 1rem;
  border: 1px solid var(--c-border);
}
.paquete__entregables-label {
  font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--c-text-dim); margin-bottom: 0.75rem;
}
.paquete__entregables ul { display: flex; flex-direction: column; gap: 0.5rem; }
.paquete__entregables li {
  font-size: 0.8rem; color: var(--c-text-muted);
  display: flex; align-items: center; gap: 0.5rem;
}
.paquete__entregables li::before { content: '→'; color: var(--c-teal); font-size: 0.7rem; }
.paquete__cta { margin-top: auto; }
.paquete__cta .btn { width: 100%; }

@media (max-width: 900px) {
  .paquetes__grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
}

/* ============================================================
   DIFERENCIADORES
   ============================================================ */
.diferenciadores__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
.diferenciador-card {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), transform var(--transition-slow), box-shadow var(--transition);
}
.diferenciador-card:hover { border-color: rgba(37,99,235,0.22); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.diferenciador-card__icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  background: rgba(37,99,235,0.07);
  border: 1px solid rgba(37,99,235,0.14);
}
.diferenciador-card__icon svg { width: 22px; height: 22px; color: var(--c-blue); }
.diferenciador-card h3 { font-size: 0.875rem; margin-bottom: 0.5rem; }
.diferenciador-card p  { font-size: 0.8rem; }

@media (max-width: 1024px) { .diferenciadores__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width:  600px) { .diferenciadores__grid { grid-template-columns: repeat(2, 1fr); } }

/* ============================================================
   FAQ
   ============================================================ */
.faq__list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition);
}
.faq-item.open { border-color: rgba(37,99,235,0.25); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--c-text);
  transition: color var(--transition);
}
.faq-question:hover { color: var(--c-blue); }
.faq-question[aria-expanded="true"] { color: var(--c-blue); }
.faq-icon {
  flex-shrink: 0; width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(37,99,235,0.07);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-blue);
  transition: transform var(--transition), background var(--transition);
  font-size: 1.1rem; line-height: 1; font-weight: 300;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); background: rgba(37,99,235,0.15); }
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
}
.faq-item.open .faq-answer { max-height: 500px; padding: 0 1.5rem 1.25rem; }
.faq-answer p { font-size: 0.9rem; line-height: 1.75; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto__inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  align-items: start;
}
.contacto__info h2    { margin-bottom: 1rem; }
.contacto__info p     { margin-bottom: 2rem; }
.contacto__info-items { display: flex; flex-direction: column; gap: 1rem; }
.contacto__info-item  { display: flex; align-items: center; gap: 1rem; }
.contacto__info-item-icon {
  width: 40px; height: 40px;
  background: rgba(37,99,235,0.07);
  border: 1px solid rgba(37,99,235,0.14);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-blue); flex-shrink: 0;
}
.contacto__info-item-icon svg { width: 18px; height: 18px; }
.contacto__info-item p { font-size: 0.875rem; margin: 0; }

.contacto__form-wrap {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group:last-of-type { margin-bottom: 0; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-text-muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.025em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #f8fafc;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 0.7rem 1rem;
  color: var(--c-text);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
  background: #fff;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--c-text-dim); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group select option { background: #fff; color: var(--c-text); }

.input-error { border-color: var(--c-brand-red) !important; }
.form-error-msg { font-size: 0.775rem; color: var(--c-brand-red); margin-top: 0.25rem; display: none; }
.form-error-msg.visible { display: block; }

.form-submit-wrap { margin-top: 1.5rem; }
.form-submit-wrap .btn { width: 100%; }
.form-message {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--r-md);
  margin-top: 1rem;
  font-size: 0.875rem;
}
.form-message--success {
  background: rgba(13,148,136,0.08);
  border: 1px solid rgba(13,148,136,0.2);
  color: var(--c-teal);
}
.form-message.visible { display: flex; }

@media (max-width: 900px) { .contacto__inner { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .contacto__form-wrap { padding: 1.5rem; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--c-brand-navy);
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-block: 2.5rem;
}
.footer__inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer__logo img { height: 36px; opacity: 0.85; }
.footer__copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin: 0;
  text-align: right;
}
.footer__copy a {
  color: rgba(255,255,255,0.55);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.footer__copy a:hover { color: rgba(255,255,255,0.85); }
@media (max-width: 640px) {
  .footer__inner { flex-direction: column; align-items: center; }
  .footer__copy  { text-align: center; }
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
#backToTop {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 500;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-brand-navy);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition), box-shadow var(--transition);
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(17,46,80,0.25);
}
#backToTop.visible { opacity: 1; transform: none; pointer-events: auto; }
#backToTop:hover { background: var(--c-blue); box-shadow: 0 0 16px rgba(37,99,235,0.35); }
#backToTop svg { width: 18px; height: 18px; }

/* ============================================================
   RESPONSIVE TWEAKS
   ============================================================ */
@media (max-width: 480px) {
  .section { padding-block: 4rem; }
  .section-header { margin-bottom: 2.5rem; }
}