/* ============ MAIN / CASE STUDY ============ */
:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --fg: #0b1220;
  --muted: #5b6472;
  --border: #e6e8ec;
  --accent: #3b3ce9;
  --text-p: #3f4656; /* Variable para párrafos */
}

body.dark {
  --bg: #0a0f1c;
  --surface: #121826;
  --fg: #f8f9fa;
  --muted: #a0a9b8;
  --border: #232b3d;
  --accent: #6d6eff;
  --text-p: #cbd5e0;
}

body { background: var(--bg); color: var(--fg); transition: background 0.3s, color 0.3s; }
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Breadcrumb */
.breadcrumb{
  padding:24px 0 8px;font-size:.85rem;color:var(--muted);
  display:flex;gap:8px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current="page"]{color:var(--fg)}

/* Hero del caso */
.case-hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 20px;
  text-align: center;
}
.case-hero h1 {
  margin-bottom: 20px;
  line-height: 1.2;
}
.case-hero .lead {
  max-width: 700px;
  margin: 0 auto;
}

.tag-list{
  list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;
}
.tag-list li{
  padding:6px 14px;font-size:.8rem;color:var(--muted);
  border:1px solid var(--border);background:var(--surface);border-radius:8px;
}

/* Layout dos columnas */
.case-grid {
  display: block; 
  
  max-width: 900px;
  margin: 0 auto;
  
  /* Espaciado interno */
  padding: 32px 20px; 
}

/* Asegúrate de que el texto dentro no se vea demasiado ancho */
.case-main {
  width: 100%;
}
.case-main > section{margin:0 0 64px}
.case-main h2{
  font-size:1.75rem;letter-spacing:-.01em;margin:0 0 20px;font-weight:600;
}
.case-main h3{font-size:1.05rem;margin:0 0 8px;font-weight:600}
.case-main p{margin:0 0 16px;color:#3f4656}
.link-arrow{
  color:var(--accent);font-weight:600;font-size:.95rem;
  display:inline-flex;align-items:center;gap:8px;margin-top:6px;
}
.link-arrow:hover{text-decoration:underline}

/* Figuras */
.case-figure{
  margin:28px 0 8px;border-radius:var(--radius-lg);overflow:hidden;
  position:relative;box-shadow:var(--shadow-md);
}
.case-figure img{width:100%;height:auto;display:block}
.case-figure.dark{
  background:linear-gradient(135deg,#0a1226,#12244a);
  min-height:280px;
}
.case-figure.dark img{opacity:.95}
.case-figure.green{
  background:linear-gradient(135deg,var(--green),#0a3d30);
  padding:64px 24px;min-height:420px;
  display:flex;align-items:center;justify-content:center;position:relative;
}
.tag-list.floating{position:absolute;left:24px;bottom:20px}
.tag-list.floating li{
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#e8ecff;
}
.badge-right{
  position:absolute;right:24px;bottom:24px;
  padding:6px 14px;font-size:.78rem;color:#e8ecff;
  border:1px solid rgba(255,255,255,.16);border-radius:999px;
  background:rgba(255,255,255,.06);
}
.serp-figure{min-height:520px}

/* Grid de features */
.feature-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:28px 0 8px;
}
.feature{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);
}
.feature .check{
  width:32px;height:32px;border-radius:8px;
  background:#eee9ff;color:#5b4bff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;margin-bottom:14px;
}
.feature p{color:var(--muted);font-size:.95rem;margin:0}

/* Mock formulario */
.mock-form{
  width:min(420px,100%);background:#fff;border-radius:12px;
  padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.mock-form__title{
  font-size:.72rem;letter-spacing:.14em;color:#9aa3b2;margin:0 0 18px;font-weight:600;
}
.mock-field{
  border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-bottom:12px;
  display:flex;flex-direction:column;
}
.mock-field label{font-size:.7rem;color:#9aa3b2;margin-bottom:2px}
.mock-field span{font-size:.95rem;color:#2b3242;display:flex;justify-content:space-between}
.mock-field em{color:#9aa3b2;font-style:normal}
.mock-cta{
  background:var(--green-2);color:#fff;text-align:center;padding:12px;
  border-radius:8px;font-weight:600;font-size:.95rem;
}

/* Resultado */
.result-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-sm);
}
.result-card hr{border:0;border-top:1px solid var(--border);margin:24px 0 16px}

/* Related solution */
.related-solution{
  display:flex;flex-direction:column;gap:6px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px 28px;margin-top:28px;
  transition:transform .15s ease,box-shadow .15s ease;
}
.related-solution:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.related-solution__label{font-size:.78rem;color:var(--muted)}
.related-solution__title{font-size:1.15rem;font-weight:600}

/* Sidebar */
.case-sidebar{position:sticky;top:96px;align-self:start}
.sidebar-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);
}
.sidebar-label{
  font-size:.78rem;color:var(--muted);margin:0 0 6px;
  text-transform:none;letter-spacing:.02em;
}
.sidebar-value{font-size:1.05rem;font-weight:600;margin:0}
.sidebar-card hr{border:0;border-top:1px solid var(--border);margin:20px 0}
.chip-list{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-wrap:wrap;gap:8px}
.chip-list li{
  padding:6px 12px;border:1px solid var(--border);border-radius:8px;
  font-size:.82rem;background:#fff;
}
.sidebar-solution{color:var(--accent);font-weight:600}
.sidebar-solution:hover{text-decoration:underline}

/* Responsive */
@media (max-width: 980px){
  .case-grid{grid-template-columns:1fr;gap:32px}
  .case-sidebar{position:static;order:-1}
  .feature-grid{grid-template-columns:1fr}
  .case-hero h1{font-size:2rem}
}


/* ============ HEADER ============ */
/* ===== HEADER / NAV ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.95);
  padding: 15px 0;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
}

body.dark .header {
  background: rgba(10, 15, 44, 0.95);
  border-bottom: 1px solid var(--border-dark);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 15px; /* añadido más abajo */
}

nav {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
  justify-content: flex-end;
}

.desktop-nav {
  flex: 1;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 15px;
}

/* LOGO + BRAND */
.logo {
  height: 28px;
  width: auto;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.logo:hover {
  transform: scale(1.05);
}

.brand {
  display: flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  color: inherit;
}

.brand-name {
  font-weight: 550;
  font-size: 16px;
  letter-spacing: 0px;
  line-height: 1;
  color: inherit;
}

body.dark .brand-name {
  background: linear-gradient(90deg, #ffffff, #a0b8ff);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-link {
  text-decoration: none;
  color: inherit;
  font-weight: 500;
  padding: 12px 14px !important;
  border-radius: 8px;
  transition: background 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 46px;
  line-height: 1;
}

.nav-link:hover {
  background: rgba(0, 212, 255, 0.08);
}

.chevron {
  font-size: 0.68em;
  transition: transform 0.3s ease;
  position: relative;
  top: -1px;
}

/* ====================== MEGA MENU ====================== */
.nav-item {
  position: relative;
  display: inline-block;
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 15px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 10000;
  pointer-events: none;
  width: 100vw;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mega-menu-content {
  background: white;
  border-radius: 22px;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.22);
  border: 1px solid #e2e8f0;
  margin: 0 auto;
  max-width: 1180px;
  width: 95%;
  padding: 50px 48px;
}

body.dark .mega-menu-content {
  background: #0f1629;
  border-color: rgba(255, 255, 255, 0.09);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 52px;
}

.mega-column h4 {
  font-size: 14.8px;
  font-weight: 700;
  color: #00d4ff;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.mega-column a {
  display: block;
  padding: 2px 6px;
  color: var(--text-light);
  text-decoration: none;
  font-size: 15.4px;
  line-height: 1.4;
}

.mega-column a:hover {
  color: #00d4ff;
  padding-left: 12px;
}

/* Responsive del Mega Menú */
@media (max-width: 991px) {
  .mega-menu {
    display: none !important;
  }
}

.theme-toggle {
  height: 32px;
  width: 32px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  background: none;
  cursor: pointer;
  transition: 0.3s;
  color: var(--primary);
}

body.dark .theme-toggle {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.theme-toggle:hover {
  background: rgba(0, 212, 255, 0.08);
}

.lang-switch {
  position: relative;
  display: inline-block;
  margin-left: 12px;
  z-index: 100;
}

.lang-current {
  display: flex !important;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 10px;
  background: #0f1629;
  color: #ffffff;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
  transition: all 0.2s ease !important;
}

.lang-current:hover {
  background: #1a2338 !important;
  border: 2px solid #00d4ff !important;
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.25), 0 6px 20px rgba(0, 212, 255, 0.45) !important;
}

.lang-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: #1f252f;
  border: 1px solid #444;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: none;
  min-width: 180px;
  padding: 8px 0;
  z-index: 9999;
}

.lang-switch:hover .lang-menu {
  display: block;
}

body:not(.dark) .header .lang-current {
  background: #ffffff !important;
  color: #0a0f2c !important;
  box-shadow: 0 8px 25px rgba(10, 15, 44, 0.08) !important;
}

body:not(.dark) .lang-current:hover,
body:not(.dark) .lang-switch:hover .lang-current {
  border: 2px solid #00d4ff !important;
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.2), 0 10px 30px rgba(0, 212, 255, 0.35) !important;
}

body:not(.dark) .lang-menu {
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  box-shadow: 0 15px 40px rgba(10, 15, 44, 0.1) !important;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 34px;
  color: var(--primary);
  cursor: pointer;
  padding: 5px 10px;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 9999999;
  display: none;
  justify-content: flex-end;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu-links {
  position: fixed !important;
  top: 0 !important;
  right: 0 !important;
  width: 82vw !important;
  max-width: 300px !important;
  height: 100vh !important;
  padding: 80px 25px 40px 30px !important;
  background: #0a0f2c !important;
  z-index: 9999999999 !important;
}

.close-menu-btn {
  position: fixed;
  top: 18px;
  right: 18px;
  font-size: 32px;
  color: #fff;
  background: rgba(0, 0, 0, 0.4);
  border: none;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  z-index: 9999999999 !important;
}

.mobile-link {
  display: block;
  color: #fff;
  font-size: 1.1rem;
  padding: 16px 0;
  text-align: left;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

@media (max-width: 991px) {
  .desktop-nav,
  .nav-right,
  .header .lang-switch {
    display: none !important;
  }
  .mobile-menu-btn {
    display: block;
  }
  /* ... */
}

@media (min-width: 992px) {
  .mobile-menu,
  .mobile-menu-btn,
  .mobile-theme-btn {
    display: none !important;
  }
}


/* ============ FOOTER ============ */
.footer{
  background:#0a1020;color:#c9d0dd;margin-top:80px;
  border-top:1px solid #131a2e;
}
.footer a{color:#c9d0dd;transition:color .15s ease}
.footer a:hover{color:#fff}

.footer-inner{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:48px;
  padding:64px 24px 40px;
}
.footer h4{
  color:#fff;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;
  margin:0 0 18px;font-weight:600;
}
.footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:.92rem}

.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.15rem}
.footer-logo img{border-radius:8px}
.footer-tag{margin:16px 0 20px;color:#8b93a4;font-size:.92rem;max-width:320px;line-height:1.6}

.footer-social{display:flex !important;flex-direction:row !important;gap:10px !important}
.footer-social a{
  width:38px;height:38px;border-radius:10px;
  background:#131a2e;color:#c9d0dd;
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:700;text-transform:lowercase;
  border:1px solid #1e2637;
}
.footer-social a:hover{background:#1c2540;color:#fff}

.footer-contact a{color:#c9d0dd}
.footer-newsletter{
  display:flex;gap:8px;margin-top:14px;
  background:#131a2e;padding:6px;border-radius:10px;border:1px solid #1e2637;
}
.footer-newsletter input{
  flex:1;background:transparent;border:0;outline:0;color:#fff;
  padding:8px 10px;font-size:.9rem;font-family:inherit;
}
.footer-newsletter input::placeholder{color:#6b7284}
.footer-newsletter button{
  background:#3b3ce9;color:#fff;border:0;border-radius:8px;
  padding:8px 14px;font-weight:600;font-size:.85rem;cursor:pointer;
  transition:background .15s ease;font-family:inherit;
}
.footer-newsletter button:hover{background:#4d4eff}

.footer-bottom{border-top:1px solid #131a2e;padding:20px 0}
.footer-bottom-inner{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  font-size:.82rem;color:#7a8194;
}
.footer-bottom ul{display:flex;flex-direction:row;gap:20px}

@media (max-width: 980px){
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px;padding:48px 24px 32px}
}
@media (max-width: 640px){
  .footer-inner{grid-template-columns:1fr}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
}

/* Párrafos y textos dentro del caso */
.case-hero .lead { color: var(--muted); }
.case-main p { color: var(--text-p); }
.feature p { color: var(--muted); }

/* Etiquetas y tarjetas */
.tag-list li { background: var(--surface); border-color: var(--border); color: var(--fg); }
.feature { background: var(--surface); border: 1px solid var(--border); }
.result-card { background: var(--surface); border: 1px solid var(--border); }
.sidebar-card { background: var(--surface); border: 1px solid var(--border); }
.chip-list li { background: var(--surface); border: 1px solid var(--border); color: var(--fg); }

/* Mock Formulario (Arreglo de contraste) */
.mock-form { background: var(--surface); border: 1px solid var(--border); }
.mock-field { border: 1px solid var(--border); }
.mock-field span { color: var(--fg); }
.mock-field label { color: var(--muted); }

/* Ajuste específico para el logo/brillo en Dark Mode */
body.dark .case-figure.dark {
  background: linear-gradient(135deg, #0b1220, #182440);
}

/* Estilos para el Acordeón */
.strategy-section { margin: 64px 0; }
.section-intro { margin-bottom: 24px; color: var(--muted); }

.accordion-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  padding: 16px;
  cursor: pointer;
}

.accordion-item summary {
  font-weight: 600;
  outline: none;
  list-style: none;
}

.accordion-item summary::after {
  content: '▾';
  float: right;
  color: #d4af37; /* Dorado premium */
}

.accordion-item[open] summary::after { content: '▴'; }

/* Tarjetas técnicas: Profesionales y adaptativas */
.tech-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.card {
  background: var(--surface); /* Fondo adaptable */
  padding: 30px;
  border-radius: 16px;
  border: 1px solid var(--border); /* Borde inteligente */
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  border-color: var(--accent); /* Se ilumina con el color de acento al pasar el ratón */
  transform: translateY(-4px);
}

.card h4 { 
  color: var(--fg); /* Título siempre legible */
  margin-bottom: 12px; 
  font-size: 1.1rem;
}

.card p { 
  color: var(--muted); /* Texto secundario (gris claro u oscuro según modo) */
  font-size: 0.95rem; 
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 768px) {
  .tech-cards { grid-template-columns: 1fr; }
}

.services-banner {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 24px;
  background: var(--surface) !important; /* Fuerza el color de fondo correcto */
  border-top: 1px solid var(--border) !important;
  border-bottom: 1px solid var(--border) !important;
  margin-bottom: 40px;
  color: var(--fg) !important; /* Fuerza el color del texto */
}

.service-item {
  font-weight: 600;
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--fg) !important; /* Asegura que el texto sea legible */
}

/* Ajuste para móviles para que no se apelotonen */
@media (max-width: 768px) {
  .services-banner {
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 20px;
  }
}


/* --- Formulario Premium --- */
.mock-form {
  width: min(420px, 100%);
  background: var(--surface);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
}

.mock-form__title {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin: 0 0 18px;
  font-weight: 600;
  text-transform: uppercase;
}

.mock-field {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
}

.mock-field label {
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 2px;
}

/* Estilo para los inputs reales */
.mock-field input {
  background: transparent;
  border: none;
  color: var(--fg);
  font-size: 0.95rem;
  padding: 0;
  outline: none;
  width: 100%;
}

/* Estilo para el botón de envío */
.mock-cta {
  background: var(--accent); /* Usamos el color de acento de tu marca */
  color: #fff;
  text-align: center;
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.mock-cta:hover {
  opacity: 0.9;
}

/* Sección CTA Profesional */
.cta-section {
  padding: 100px 20px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.cta-container {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.cta-subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 40px;
  line-height: 1.6;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #fff;
  padding: 18px 36px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(59, 60, 233, 0.25);
}

/* Ajustes Mobile-First */
@media (max-width: 640px) {
  .cta-section { padding: 60px 20px; }
  .cta-title { font-size: 1.85rem; }
  .cta-subtitle { font-size: 1rem; margin-bottom: 30px; }
  .cta-button { width: 100%; justify-content: center; }
}