/* ═══════════════════════════════════════
   Ro&Bet — Consultoría Científica
   styles.css
   ═══════════════════════════════════════ */

/* ── Reset & Base ─────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Palette */
  --clr-primary: #0891B2;
  --clr-primary-dark: #0E7490;
  --clr-primary-light: #22D3EE;
  --clr-accent: #00D7E2;
  --clr-accent-soft: #A5F3FC;
  --clr-white: #FFFFFF;
  --clr-off-white: #F0FDFA;
  --clr-gray-50: #F8FAFB;
  --clr-gray-100: #F1F5F9;
  --clr-gray-200: #E2E8F0;
  --clr-gray-300: #CBD5E1;
  --clr-gray-400: #94A3B8;
  --clr-gray-500: #64748B;
  --clr-gray-600: #475569;
  --clr-gray-700: #334155;
  --clr-gray-800: #1E293B;
  --clr-gray-900: #0F172A;

  /* Typography */
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-padding: 6rem 0;
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 0.3s var(--ease);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--clr-gray-800);
  background: var(--clr-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ── Container ────────────────────────── */
.container {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* ── Buttons ──────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-body);
  font-size: 0.938rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
}

.btn-primary:hover {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(8, 145, 178, 0.3);
}

.btn-outline {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-outline:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--clr-white);
  color: var(--clr-primary-dark);
  border-color: var(--clr-white);
}

.btn-white:hover {
  background: var(--clr-off-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.btn-full {
  width: 100%;
}

/* ── Section Shared ───────────────────── */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clr-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--clr-gray-900);
  line-height: 1.25;
  margin-bottom: 1rem;
  text-wrap: balance;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--clr-gray-500);
  line-height: 1.7;
}

/* ══════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.4s var(--ease);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-gray-200);
  padding: 0.65rem 0;
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  color: white;
  letter-spacing: -0.02em;
  transition: color var(--transition);
}
.navbar.scrolled .logo {
  color: var(--clr-gray-900);
}

.logo-amp {
  color: var(--clr-accent);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links li a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: white;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.navbar.scrolled .nav-links li a {
  color: var(--clr-gray-600);
}
.nav-links li a:hover {
  color: var(--clr-primary);
  background: rgba(8, 145, 178, 0.06);
}

.nav-links li a.active {
  font-weight: bold;
}

.navbar.scrolled .nav-links li a.active {
  color: var(--clr-primary) !important;
  font-weight:500;
}

.nav-cta {
  display: inline-flex !important;
  flex-direction: row !important; 
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  white-space: nowrap !important;
  
  /* Fondo base */
  background: linear-gradient(135deg, #0f796c 0%, #1bc75a 100%) !important;
  color: white !important;
  border-radius: 50px !important;
  padding: 10px 22px !important;
  text-decoration: none;
  font-weight: 500;
  
  /* Transición suave para todos los estados */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.nav-cta:hover {
  /* Forzamos el fondo para que no se vuelva invisible */
  background: linear-gradient(135deg, #0e6e63 0%, #1da851 100%) !important;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4) !important;
  color: white !important;
}

/* Evita que el icono herede colores extraños en hover */
.nav-cta iconify-icon {
  display: flex;
  margin: 0;
  transition: transform 0.3s ease;
}

/* ── Mobile Menu Toggle ─── */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all 0.35s var(--ease);
  transform-origin: center;
}
.navbar.scrolled .menu-toggle span {
  background: var(--clr-gray-900);
}



.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
  background: var(--clr-gray-900);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
  background: var(--clr-gray-900);
}

.nav-links.open li a{
  color: var(--clr-gray-600);
}
.nav-links.open li a.active{
  color: var(--clr-primary);
}

/* ══════════════════════════════════════
   HERO
   ══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  height: 105vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 5rem;
  overflow: hidden;

  background:
  linear-gradient(to top,
    rgba(1, 18, 22, 0.925),
    rgba(1, 173, 182, 0.55)
  ),
  url('https://plus.unsplash.com/premium_photo-1683121792506-2fede349d6c1?q=80&w=870&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') center/cover no-repeat;
}
/*.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 5rem;
  background: linear-gradient(165deg, var(--clr-white) 0%, var(--clr-off-white) 50%, #E0F7FA 100%);
  overflow: hidden;
}*/
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(0, 215, 226, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(8, 145, 178, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(8, 145, 178, 0.02) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  display: flex;
  text-align: center;
  justify-content: center;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content{
  justify-content: center;
  align-items: center;
  text-align: center;
  max-width: 900px;
}

.hero-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clr-primary);
  background: rgba(8, 145, 178, 0.08);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  color: white;
  line-height: 1.15;
  margin-top:1.5rem;
  margin-bottom: 1.5rem;
  text-wrap: balance;
}



.hero-highlight {
  color: var(--clr-accent);
  position: relative;
}

.hero-highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 4px;
  z-index: -1;
  opacity: 0.7;
}

.hero-subtitle {
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--clr-off-white);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 800px;
}


@media screen and (max-width: 400px) {
  .hero-subtitle {
    font-size: 1rem;
  }
  .hero-highlight::after {
  display: none;
}
}

.hero-actions {
  justify-content: center;
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 500;
  color: white;
  background: rgba(189, 224, 233, 0.144);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  border: 1px solid rgba(8, 145, 178, 0.12);
}

@media screen and (max-width: 400px){
  .hero-title{
    margin-top:0.5rem;
  }
  .hero-tags{
    margin-bottom: 1.5rem;
  }
}

/* ── Hero Visual (Molecule SVG) ─── */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.molecule-svg {
  width: 100%;
  max-width: 400px;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* ══════════════════════════════════════
   SERVICES
   ══════════════════════════════════════ */
.services {
  padding: var(--section-padding);
  background: var(--clr-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  position: relative;
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  transition: all 0.4s var(--ease);
  overflow: hidden;
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.service-card:hover {
  border-color: var(--clr-primary);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(8, 145, 178, 0.1), 0 8px 20px rgba(0, 0, 0, 0.04);
}

.service-card:hover::before {
  opacity: 1;
}

/* Featured card */
.service-card.featured {
  border-color: var(--clr-primary);
  background: linear-gradient(to bottom, rgba(8, 145, 178, 0.03), var(--clr-white));
}

.service-card.featured::before {
  opacity: 1;
}

.service-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.1), rgba(0, 215, 226, 0.08));
  border-radius: var(--radius-md);
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--clr-gray-900);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--clr-gray-500);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--clr-gray-600);
  font-weight: 500;
}

.service-features li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--clr-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ══════════════════════════════════════
   ABOUT
   ══════════════════════════════════════ */
.about {
  padding: var(--section-padding);
  background: var(--clr-gray-50);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text {
  font-size: 1rem;
  color: var(--clr-gray-600);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--clr-gray-200);
}

.highlight-item {
  text-align: center;
}

.highlight-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.highlight-number::after {
  content: '+';
  font-size: 1.5rem;
}

.highlight-label {
  font-size: 0.8rem;
  color: var(--clr-gray-500);
  line-height: 1.4;
}

/* ── About Card Stack ─── */
.about-card-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all 0.4s var(--ease);
}

.about-card:hover {
  transform: translateX(6px);
  border-color: var(--clr-primary);
  box-shadow: 0 8px 30px rgba(8, 145, 178, 0.08);
}

.ac-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  color: var(--clr-white);
}

.ac-1 .ac-icon {
  background: var(--clr-primary);
}

.ac-2 .ac-icon {
  background: var(--clr-accent);
}

.ac-3 .ac-icon {
  background: var(--clr-primary-dark);
}

.about-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-gray-900);
  margin-bottom: 0.5rem;
}

.about-card p {
  font-size: 0.88rem;
  color: var(--clr-gray-500);
  line-height: 1.65;
}

/* ══════════════════════════════════════
   ASESORÍAS
   ══════════════════════════════════════ */
.asesorias-section {
  background-color: #ffffff;
  padding: 100px 5%;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.asesorias-container {
  max-width: 1200px;
  display: flex;
  align-items: center;
  gap: 80px;
}

/* --- LADO IZQUIERDO: ESTILIZADO DE IMAGEN --- */
.asesorias-image-column {
  flex: 1;
  position: relative;
}

.asesorias-image-card {
  position: relative;
  z-index: 2;
}

/* El cuadro decorativo de atrás (Offset) */
.asesorias-image-card::after {
  content: '';
  position: absolute;
  top: 30px;
  left: -30px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
  border-radius: 30px;
  z-index: -1;
  opacity: 0.15;
}

.asesorias-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 30px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  display: block;
}

/* --- LADO DERECHO: TEXTO --- */
.asesorias-text-column {
  flex: 1;
}

.asesorias-title {
  font-size: 2rem;
  color: #0f172a; /* Azul muy oscuro profesional */
  margin-bottom: 24px;
  font-weight: 800;
  position: relative;
}

.asesorias-description {
  font-size: 1rem;
  line-height: 1.8;
  color: #475569;
  margin-bottom: 40px;
}

.asesorias-description strong {
  color: var(--clr-primary);
}

/* Lista de servicios */
.asesorias-list {
  list-style: none;
  padding: 0;
  text-align: left;
  display: grid;
}

.asesorias-list li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 1.1rem;
  font-weight: 600;
  color: #1e293b;
  transition: transform 0.3s ease;
}

.asesorias-list li:hover {
  transform: translateX(10px);
  color: var(--clr-primary);
}

.asesorias-list-icon {
  font-size: 1.6rem;
  color: var(--clr-primary);
}

/* Responsive */
@media (max-width: 992px) {
  .asesorias-container {
    flex-direction: column;
    gap: 60px;
    text-align: center;
  }
  .asesorias-image-card::after {
    left: 0;
    top: 20px;
  }
  .asesorias-list{
    justify-content:center;
  }
  .asesorias-list li {
    justify-content: left;
  }
}

/* ══════════════════════════════════════
   CLASES PARTICULARES
   ══════════════════════════════════════ */

.clases-section {
  background-color: #ffffff;
  padding: 100px 5%;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.clases-container {
  max-width: 1200px;
  display: flex;
  align-items: center;
  gap: 80px;
}

/* --- LADO IZQUIERDO: ESTILIZADO DE IMAGEN --- */
.clases-image-column {
  flex: 1;
  position: relative;
}

.clases-image-card {
  position: relative;
  z-index: 2;
}

/* El cuadro decorativo de atrás (Offset) */
.clases-image-card::after {
  content: '';
  position: absolute;
  top: 30px;
  right: -30px;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
  border-radius: 30px;
  z-index: -1;
  opacity: 0.15;
}

.clases-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 30px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  display: block;
}

/* --- LADO DERECHO: TEXTO --- */
.clases-text-column {
  flex: 1;
}

.clases-title {
  font-size: 2rem;
  color: #0f172a; /* Azul muy oscuro profesional */
  margin-bottom: 24px;
  font-weight: 800;
  position: relative;
}

.clases-description {
  font-size: 1rem;
  line-height: 1.8;
  color: #475569;
  margin-bottom: 40px;
}

.clases-description strong {
  color: var(--clr-primary);
}

/* Lista de servicios */
.clases-list {
  list-style: none;
  padding: 0;
  display: grid;
  text-align: left;
}

.clases-list li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 1.1rem;
  font-weight: 600;
  color: #1e293b;
  transition: transform 0.3s ease;
}

.clases-list li:hover {
  transform: translateX(10px);
  color: var(--clr-primary);
}

.clases-list-icon {
  font-size: 1.6rem;
  color: var(--clr-primary);
}

/* Responsive */
@media (max-width: 992px) {
  .clases-container {
    flex-direction: column;
    gap: 60px;
    text-align: center;
  }
  .clases-image-card::after {
    left: 0;
    top: 20px;
  }
  .clases-list{
    justify-content:center;
  }
  .clases-list li {
    justify-content: left;
  }
}

/* ══════════════════════════════════════
   INVESTIGACIÓN (PREMIUM SECTION)
   ══════════════════════════════════════ */
.investigacion-section {
  background: linear-gradient(135deg, 
    var(--clr-primary-dark) 0%, 
    var(--clr-primary) 40%, 
    var(--clr-accent) 100%);
  padding: 120px 5%;
  color: white;
  display: flex;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.investigacion-container {
  max-width: 1200px;
  display: flex;
  align-items: center;
  gap: 80px;
  position: relative;
  z-index: 2;
}

/* --- BADGE POPULAR --- */
.popular-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.popular-badge iconify-icon {
  color: #ffffff; /* Color oro para la estrella */
  font-size: 1.2rem;
}

/* --- TEXTO --- */
.investigacion-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.2;
}
.inv-title{
  
  color: white !important;
}

.investigacion-description {
  font-size: 1.1rem;
  line-height: 1.8;
  opacity: 0.95;
  margin-bottom: 40px;
  max-width: 550px;
}

/* --- TAGS HORIZONTALES --- */
.investigacion-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.tag-item:hover {
  background: white;
  color: var(--clr-primary);
}

/* --- IMAGEN PREMIUM --- */
.investigacion-image-column {
  flex: 1;
  position: relative;
}

.premium-frame {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.investigacion-img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.3);
  position: relative;
  z-index: 2;
}

/* Elemento de cristal decorativo */
.glass-element {
  position: absolute;
  top: -30px;
  right: -30px;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  border-radius: 30px;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
  .investigacion-container {
    flex-direction: column;
    text-align: center;
  }
  .investigacion-description {
    margin-left: auto;
    margin-right: auto;
  }
  .investigacion-tags {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }
  .tag-item {
    width: 80%;
  }
  .glass-element {
    display: none;
  }
}

/* ===== WHATSAPP CTA SECTION ===== */
.WhatsappCTA__section {
  padding: 80px 20px;
  /* Gradiente moderno estilo WhatsApp */
  background: linear-gradient(135deg, #128C7E 0%, #25D366 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Agregamos unas burbujas decorativas sutiles en el fondo */
.WhatsappCTA__section::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.WhatsappCTA__container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.WhatsappCTA__title {
  color: white;
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 20px;
  text-wrap: balance;
}

.WhatsappCTA__description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* El Botón Blanco */
.WhatsappCTA__btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: white;
  color: #128C7E; /* Verde oscuro para el texto */
  padding: 16px 35px;
  border-radius: 50px; /* Redondo / Pill-shape */
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.WhatsappCTA__btn svg {
  fill: #25D366; /* El icono en el verde brillante de WA */
  transition: transform 0.3s ease;
}

/* Efectos de Hover */
.WhatsappCTA__btn:hover {
  transform: scale(1.05) translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  color: #075E54;
}

.WhatsappCTA__btn:hover svg {
  transform: rotate(10deg);
}

/* Ajuste para móviles */
@media (max-width: 600px) {
  .WhatsappCTA__section {
    padding: 60px 20px;
  }
  .WhatsappCTA__btn {
    width: 100%;
    justify-content: center;
    padding: 15px 20px;
    font-size: 1rem;
  }
}

/* ══════════════════════════════════════
   ZOOM SECTION
══════════════════════════════════════ */

.zoom-section {
  padding: 6rem 0;
  background: linear-gradient(
    90deg,
    #2D8CFF 0%,
    #1447b6 50%,
    #112b81 100%
  );
  color: white;
}

.zoom-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.zoom-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.zoom-logo {
  width: 200px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.zoom-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  opacity: 0.85;
  margin-bottom: 1rem;
}

.zoom-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.zoom-description {
  font-size: 1.05rem;
  line-height: 1.75;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 550px;
}

/* Responsive */

@media (max-width: 992px) {
  .zoom-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .zoom-logo {
    width: 150px;
  }
}
/* ══════════════════════════════════════
   DIFFERENTIALS
   ══════════════════════════════════════ */
.differentials {
  padding: var(--section-padding);
  background: var(--clr-white);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.diff-item {
  background: var(--clr-gray-50);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  transition: all 0.4s var(--ease);
}

.diff-item:hover {
  background: var(--clr-white);
  border-color: var(--clr-primary);
  box-shadow: 0 12px 35px rgba(8, 145, 178, 0.08);
  transform: translateY(-4px);
}

.diff-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: var(--clr-white);
  font-size: 0.85rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.diff-item h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--clr-gray-900);
  margin-bottom: 0.65rem;
}

.diff-item p {
  font-size: 0.92rem;
  color: var(--clr-gray-500);
  line-height: 1.7;
}

/* ══════════════════════════════════════
   CTA BANNER
   ══════════════════════════════════════ */
.cta-banner {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 50%, #0CA5C2 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 215, 226, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--clr-white);
  margin-bottom: 1rem;
  text-wrap: balance;
}

.cta-content p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* ══════════════════════════════════════
   CONTACT
   ══════════════════════════════════════ */
.contact {
  padding: var(--section-padding);
  background: var(--clr-gray-50);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-text {
  font-size: 1rem;
  color: var(--clr-gray-500);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.contact-method:hover {
  border-color: var(--clr-primary);
  box-shadow: 0 4px 15px rgba(8, 145, 178, 0.06);
}

.cm-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.1), rgba(0, 215, 226, 0.08));
  border-radius: var(--radius-sm);
  color: var(--clr-primary);
  flex-shrink: 0;
}

.contact-method strong {
  display: block;
  font-size: 0.9rem;
  color: var(--clr-gray-800);
  margin-bottom: 0.15rem;
}

.contact-method span {
  font-size: 0.85rem;
  color: var(--clr-gray-500);
}

/* ── Contact Form ─── */
.contact-form-wrapper {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.contact-form h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--clr-gray-900);
  margin-bottom: 1.5rem;
}

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

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-gray-700);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--clr-gray-800);
  background: var(--clr-gray-50);
  border: 1.5px solid var(--clr-gray-200);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  background: var(--clr-white);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: #EF4444;
  background: #FEF2F2;
}

.form-group .error-msg {
  display: none;
  font-size: 0.78rem;
  color: #EF4444;
  margin-top: 0.35rem;
}

.form-group.error .error-msg {
  display: block;
}

.form-note {
  font-size: 0.8rem;
  color: var(--clr-gray-400);
  text-align: center;
  margin-top: 1rem;
}

/* ── Form Success State ─── */
.form-success {
  display: none;
  text-align: center;
  padding: 3rem 2rem;
}

.form-success.show {
  display: block;
}

.form-success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.12), rgba(0, 215, 226, 0.1));
  border-radius: 50%;
  margin-bottom: 1.25rem;
}

.form-success-icon svg {
  width: 28px;
  height: 28px;
  color: var(--clr-primary);
}

.form-success h4 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--clr-gray-900);
  margin-bottom: 0.5rem;
}

.form-success p {
  font-size: 0.95rem;
  color: var(--clr-gray-500);
  line-height: 1.6;
}

/* ══════════════════════════════════════
   FOOTER
   ══════════════════════════════════════ */
.footer {
  background: var(--clr-gray-900);
  color: var(--clr-gray-400);
  padding: 4rem 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  color: var(--clr-white) !important;
  margin-bottom: 1rem;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--clr-gray-400);
  max-width: 280px;
}

.footer-links-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-white);
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  font-size: 0.88rem;
  color: var(--clr-gray-400);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--clr-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: var(--clr-gray-500);
}

/* ══════════════════════════════════════
   REVEAL ANIMATIONS
   ══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */

/* Tablet */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-tags {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 0;
  }

  /* Navbar mobile */
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--clr-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 0.25rem;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
    transition: right 0.4s var(--ease);
    z-index: 1000;
  }

  .nav-links.open {
    right: 0;
    text-align:center;
  }
  .nav-links.open .nav-cta{
    width: 80%;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links li a {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: var(--radius-sm);
  }

  .nav-cta {
    margin-top: 1rem;
    text-align: center;
  }

  /* Overlay */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease);
  }

  .nav-overlay.show {
    opacity: 1;
    visibility: visible;
  }

  .hero {
    min-height: auto;
    padding: 7rem 0 4rem;
  }

  .hero-title {
    font-size: clamp(2.2rem, 6vw, 2.5rem);
  }

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

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

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .about-highlights {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
  }

  .highlight-number {
    font-size: 2rem;
    min-width: 60px;
  }

  .footer-links-group {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-form-wrapper {
    padding: 1.5rem;
  }
}