:root {
  /* Gris plateado un poco más oscuro y acentos marca */
  --bg-color: #a9a9b1;
  --bg-deep: #c0c0c8;
  --text-main: #1a2744;
  --text-muted: #475569;
  --navy: #1a2744;
  --navy-soft: #243554;
  --accent-sky: #0ea5e9;
  --accent-sky-deep: #0284c7;
  --accent-green: #15803d;
  --accent-green-deep: #166534;
  --accent-bronze: #a16207;
  --primary: #1a2744;
  --secondary: #0ea5e9;
  --surface-1: #ffffff;
  --surface-border: rgba(26, 39, 68, 0.12);
  --glow-primary: rgba(14, 165, 233, 0.3);
  --glow-green: rgba(21, 128, 61, 0.2);
  --primary-glow: #0ea5e9;
  --card-bg: #ffffff;
  --card-border: rgba(26, 39, 68, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  z-index: 0;
  background-image:
    radial-gradient(ellipse 120% 90% at 15% -10%, rgba(255, 255, 255, 0.42), transparent 52%),
    radial-gradient(ellipse 100% 85% at 85% 105%, rgba(255, 255, 255, 0.12), transparent 50%),
    radial-gradient(ellipse 70% 60% at 50% 50%, rgba(60, 60, 72, 0.1), transparent 65%),
    radial-gradient(ellipse 55% 45% at 0% 100%, rgba(90, 90, 102, 0.08), transparent 55%),
    linear-gradient(165deg, #95959e 0%, #a9a9b1 42%, #b6b6be 100%);
}

/* Red / constelación fija (como tarjeta) */
.page-network {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-network-svg {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.86;
  animation: netDrift 45s ease-in-out infinite alternate;
}

@keyframes netDrift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-1.5%, 1%) scale(1.02); }
}

.floating-nav,
.hero,
.section,
.site-footer {
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  text-wrap: balance;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(14px, 4vw, 20px);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 160px 20px 60px;
  position: relative;
  overflow: hidden;
  background: transparent;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

.hero-mesh-svg {
  width: 100%;
  height: 100%;
  display: block;
  animation: meshDrift 28s ease-in-out infinite alternate;
}

@keyframes meshDrift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-2%, 1%) scale(1.03); }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-brand {
  margin-bottom: 28px;
  display: flex;
  justify-content: center;
  overflow: visible;
  padding: 40px 28px 28px;
}

/* Ondas de brillo celeste que emanan del logo */
.hero-logo-wrap {
  position: relative;
  width: clamp(100px, 22vw, 140px);
  height: clamp(100px, 22vw, 140px);
  display: grid;
  place-items: center;
  z-index: 1;
}

.hero-ripple {
  position: absolute;
  width: 92%;
  height: 92%;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  border: 2.5px solid rgba(56, 189, 248, 0.85);
  box-shadow:
    0 0 18px rgba(14, 165, 233, 0.6),
    0 0 38px rgba(125, 211, 252, 0.45),
    0 0 56px rgba(56, 189, 248, 0.2),
    inset 0 0 14px rgba(224, 242, 254, 0.2);
  animation: heroRipple 3.1s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%) scale(1);
}

.hero-ripple--2 {
  animation-delay: 1.55s;
  border-color: rgba(14, 165, 233, 0.75);
  box-shadow:
    0 0 14px rgba(2, 132, 199, 0.55),
    0 0 32px rgba(56, 189, 248, 0.4),
    0 0 48px rgba(125, 211, 252, 0.25);
}

@keyframes heroRipple {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.92;
  }
  100% {
    transform: translate(-50%, -50%) scale(2.35);
    opacity: 0;
  }
}

.hero-logo-ring {
  position: relative;
  z-index: 2;
  width: clamp(100px, 22vw, 140px);
  height: clamp(100px, 22vw, 140px);
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, rgba(26, 39, 68, 0.95), rgba(14, 165, 233, 0.35), rgba(21, 128, 61, 0.4));
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.9),
    0 0 22px rgba(125, 211, 252, 0.45),
    0 0 44px rgba(56, 189, 248, 0.22),
    0 12px 32px rgba(26, 39, 68, 0.15);
  animation: ringPulse 4s ease-in-out infinite;
}

.hero-logo-ring::after {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid rgba(125, 211, 252, 0.25);
  animation: ringSpin 20s linear infinite;
}

@keyframes ringPulse {
  0%, 100% {
    box-shadow:
      0 0 0 2px rgba(255, 255, 255, 0.9),
      0 0 22px rgba(125, 211, 252, 0.45),
      0 0 44px rgba(56, 189, 248, 0.22),
      0 12px 32px rgba(26, 39, 68, 0.15);
  }
  50% {
    box-shadow:
      0 0 0 2px rgba(255, 255, 255, 1),
      0 0 32px rgba(125, 211, 252, 0.6),
      0 0 56px rgba(56, 189, 248, 0.35),
      0 16px 40px rgba(14, 165, 233, 0.18);
  }
}

@keyframes ringSpin {
  to { transform: rotate(360deg); }
}

.hero-logo-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: var(--bg-deep);
}

.hero::before, .hero::after {
  content: '';
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  animation: orbFloat 25s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero::before {
  top: -20vw; left: -10vw;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 0%, transparent 70%);
}

.hero::after {
  bottom: -20vw; right: -10vw;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
  animation-delay: -12s;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(150px, 100px) scale(1.3); }
}

.hero h1 {
  font-size: clamp(1.85rem, 5.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  text-transform: none;
  margin-bottom: 22px;
  color: var(--navy);
  max-width: 920px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.hero h1 span {
  color: var(--accent-sky-deep);
}

.hero-intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 40px auto;
  font-weight: 400;
  line-height: 1.65;
  text-wrap: balance;
  text-align: center;
}

/* Sin banda ni líneas: mismo fondo que el resto de la página */
.section--alt {
  background: transparent;
  border: none;
}

.section--contact .section-title--contact {
  margin-bottom: 16px;
}

.contact-inner {
  text-align: center;
}

.contact-lead {
  color: var(--text-muted);
  margin-bottom: 36px;
  font-size: 1.08rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.contact-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-contact {
  font-size: 1.05rem;
  padding: 14px 26px;
}

.btn-whatsapp {
  font-size: 1.05rem;
  padding: 14px 26px;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%) !important;
  border: none;
  color: #fff;
}

.btn-whatsapp:hover {
  box-shadow: 0 12px 28px rgba(18, 140, 126, 0.35);
}

.contact-icon {
  font-size: 1.45rem;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

/* --- Navigation --- */
.floating-nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 800px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(26, 39, 68, 0.1);
  border-radius: 50px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  z-index: 1000;
  box-shadow: 0 10px 40px rgba(26, 39, 68, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  animation: slideDownNav 1s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes slideDownNav {
  from { top: -100px; opacity: 0; }
  to { top: 20px; opacity: 1; }
}

.nav-logo {
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--navy);
  perspective: 320px;
}

.logo-3d {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.95),
    0 4px 14px rgba(26, 39, 68, 0.15);
  -webkit-text-fill-color: initial;
  transform-style: preserve-3d;
  transform-origin: center center;
  backface-visibility: visible;
  animation: navLogoSpin 16s linear infinite;
}

/* Giro horizontal: rotación en eje Y (como una moneda de frente) */
@keyframes navLogoSpin {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotateY(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .logo-3d {
    animation: none;
  }
  .hero-ripple {
    animation: none;
    opacity: 0.25;
  }
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--accent-sky-deep);
}

.btn-nav {
  background: var(--navy);
  color: #fff;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(26, 39, 68, 0.18);
}

.btn-nav:hover {
  background: var(--accent-sky-deep);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 6px 22px var(--glow-primary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 50px;
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--navy-soft) 0%, var(--navy) 100%);
  color: white;
  box-shadow: 0 10px 28px rgba(26, 39, 68, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-accent-sky {
  background: linear-gradient(135deg, var(--accent-sky) 0%, var(--accent-sky-deep) 100%) !important;
}

.btn-accent-green {
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-green-deep) 100%) !important;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0), rgba(255,255,255,0.4), rgba(255,255,255,0));
  transform: skewX(-25deg) translateX(-150%);
  transition: transform 0.6s ease;
  z-index: -1;
  pointer-events: none;
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 16px 36px rgba(26, 39, 68, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary:hover::before {
  transform: skewX(-25deg) translateX(150%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--navy);
  border: 1px solid rgba(26, 39, 68, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 15px rgba(26, 39, 68, 0.08);
}

.btn-secondary:hover {
  background: #fff;
  border-color: var(--accent-sky);
  color: var(--accent-sky-deep);
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 28px rgba(26, 39, 68, 0.12);
}

/* --- Section Global --- */
.section {
  padding: 80px 20px;
}

.section-title {
  text-align: center;
  font-size: clamp(1.65rem, 5vw, 2.5rem);
  margin-bottom: 50px;
  color: var(--navy);
}

.section-title + .section-subtitle {
  margin-top: -38px;
  margin-bottom: 44px;
}

.section-subtitle {
  text-align: center;
  font-size: clamp(0.98rem, 2.8vw, 1.08rem);
  color: var(--text-muted);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}

.site-footer {
  padding: 40px 24px;
  text-align: center;
  border: none;
  background: transparent;
}

.footer-logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(26, 39, 68, 0.12);
  opacity: 0.95;
}

.footer-copy {
  color: rgba(26, 39, 68, 0.55);
  font-size: 0.9rem;
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.5;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 268px), 1fr));
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
}
.card {
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: 20px;
  padding: 28px 22px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: visible;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 16px 40px rgba(26, 39, 68, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.card::after, .solution-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  background: radial-gradient(
    800px circle at var(--mouse-x, 0) var(--mouse-y, 0), 
    rgba(14, 165, 233, 0.06), 
    transparent 40%
  );
  border-radius: inherit;
}

.services-grid:hover > .card::after,
.solutions-grid:hover > .solution-card::after {
  opacity: 1;
}

.card:hover {
  transform: translateY(-8px) scale(1.015);
  border-color: rgba(14, 165, 233, 0.35);
  box-shadow: 0 28px 56px rgba(26, 39, 68, 0.12), inset 0 1px 0 rgba(255, 255, 255, 1);
  z-index: 10;
}

.card-icon {
  width: 76px;
  height: 76px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(21, 128, 61, 0.1));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--navy);
  margin-bottom: 18px;
  box-shadow: 0 8px 24px rgba(26, 39, 68, 0.08);
  border: 1px solid rgba(26, 39, 68, 0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  animation: floatIcon 4s ease-in-out infinite alternate;
}

@keyframes floatIcon {
  from { transform: translateY(0px); box-shadow: 0 8px 24px rgba(26, 39, 68, 0.08); }
  to { transform: translateY(-8px); box-shadow: 0 14px 32px rgba(14, 165, 233, 0.15); border-color: rgba(14, 165, 233, 0.25); }
}

.card:hover .card-icon {
  transform: scale(1.06) rotate(3deg) !important;
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.2) !important;
  animation: none;
}

.card h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
  color: var(--navy);
  font-weight: 700;
}

.card > p.card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.6;
  text-wrap: balance;
}

.card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: fit-content;
  margin: 8px auto 20px auto;
  padding: 0;
}

.card ul li {
  margin-bottom: 10px;
  color: #334155;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
  text-align: left;
}

.card ul li i {
  color: var(--accent-green);
  font-size: 1.25rem;
}

.card .btn-primary {
  margin-top: auto;
  width: 100%;
}

/* --- Solutions Examples Grid --- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.solution-card {
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 16px 36px rgba(26, 39, 68, 0.1);
  position: relative;
}

.solution-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 24px 48px rgba(26, 39, 68, 0.14), 0 0 0 1px rgba(14, 165, 233, 0.15);
}

.solution-img {
  height: 180px;
  position: relative;
  overflow: hidden;
  background-color: #e2e8f0;
}

.carousel-container {
  display: flex;
  width: 100%;
  height: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.carousel-container::-webkit-scrollbar {
  display: none;
}

.carousel-container img.bg-img {
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  height: 100%;
  min-height: 100%;
  display: block;
  object-fit: cover;
  background-color: #f1f5f9;
  cursor: pointer;
  scroll-snap-align: start;
  transition: transform 0.3s ease;
}

.carousel-container img.bg-img:hover {
  transform: scale(1.02);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.95);
  color: var(--navy);
  border: 1px solid rgba(26, 39, 68, 0.12);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.3s ease, background 0.3s ease;
}

.solution-card:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn:hover {
  background: var(--accent-sky);
  color: #fff;
}

.carousel-btn.prev {
  left: 10px;
}

.carousel-btn.next {
  right: 10px;
}

/* Sin velo oscuro: las fotos se ven nítidas; leve atenuación solo al hover */
.solution-img::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: transparent;
  transition: background 0.3s ease;
  z-index: 1;
  pointer-events: none;
}

.solution-card:hover .solution-img::before {
  background: rgba(26, 39, 68, 0.08);
}

.solution-img i {
  position: relative;
  z-index: 2;
  font-size: 3.5rem;
  color: #fff;
  text-shadow:
    0 1px 3px rgba(0, 0, 0, 0.45),
    0 2px 16px rgba(26, 39, 68, 0.5);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  pointer-events: none;
}

.solution-content {
  padding: 24px;
  text-align: center;
}

.solution-content h4 {
  font-size: 1.25rem;
  margin-bottom: 20px;
  color: var(--navy);
}

.solution-content .btn {
  font-size: 0.9rem;
  padding: 10px 16px;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(26, 39, 68, 0.12);
  border-radius: 8px;
  color: var(--navy);
}

.solution-content .btn:hover {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

/* --- Video Section --- */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: clamp(20px, 4vw, 40px);
  max-width: 1000px;
  margin: 0 auto;
  /* Sin perspective: en muchos navegadores rompe iframes de YouTube (pantalla negra / error de conexión al cargar el reproductor) */
}

.video-card {
    text-align: center;
}

.video-wrapper {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 12px;
  position: relative;
  /* overflow visible: overflow:hidden en el marco del iframe a veces corta o rompe el embed en móviles */
  overflow: visible;
  margin-bottom: 16px;
  /* Sin rotateX/Y en el contenedor del iframe: evita fallos de composición del reproductor embebido */
  box-shadow:
    -8px 8px 0 rgba(14, 165, 233, 0.12),
    -16px 16px 0 rgba(26, 39, 68, 0.06),
    -24px 24px 32px rgba(26, 39, 68, 0.12);
  transition: box-shadow 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.video-wrapper:hover {
  /* Sin transform aquí: los iframes de YouTube fallan si un padre tiene transform */
  box-shadow: 0 20px 40px rgba(26, 39, 68, 0.15), 0 0 24px rgba(14, 165, 233, 0.12);
}

/* Efecto ::before desactivado: animaciones con transform junto al área del vídeo suelen romper iframes en algunos navegadores */

.video-wrapper video,
.video-wrapper iframe,
.video-wrapper .yt-lazy {
  width: 100%;
  max-width: 100%;
  height: auto;
  min-height: 180px;
  border-radius: 8px;
  display: block;
  background-color: #000;
  border: 0;
  aspect-ratio: 16 / 9;
}

.yt-lazy {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 0;
  background: #0f172a;
}

.yt-lazy-btn {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  font: inherit;
  color: inherit;
  background: #000;
}

.yt-lazy-btn:focus-visible {
  outline: 3px solid rgba(14, 165, 233, 0.85);
  outline-offset: 2px;
}

.yt-lazy-thumb {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16/9;
  object-fit: cover;
  vertical-align: middle;
}

.yt-lazy-play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 68px;
  height: 48px;
  margin-left: -34px;
  margin-top: -24px;
  background: rgba(255, 0, 0, 0.92);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, background 0.2s ease;
  pointer-events: none;
}

.yt-lazy-play::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -6px;
  margin-top: -10px;
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent #fff;
}

.yt-lazy-btn:hover .yt-lazy-play {
  background: #f00;
  transform: scale(1.05);
}

.video-title {
  font-weight: 600;
  color: var(--navy);
  font-size: 1.2rem;
}

.video-yt-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.9rem;
  color: #0ea5e9;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.video-yt-link:hover {
  color: var(--navy);
}

/* Vídeos: misma lógica que .solutions-grid — fila en escritorio, columna en pantallas estrechas */
.demos-plain {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(20px, 3vw, 28px);
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

.demo-block {
  text-align: center;
  margin: 0;
  background: var(--surface-1);
  border: 1px solid var(--surface-border);
  border-radius: 18px;
  padding: 18px 14px 20px;
  box-shadow: 0 12px 32px rgba(26, 39, 68, 0.08);
}

.demo-block-title {
  font-weight: 600;
  color: var(--navy);
  font-size: 1.15rem;
  margin: 0 0 12px;
}

.demos-plain iframe {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  min-height: 200px;
  border: 0;
  border-radius: 10px;
  background: #000;
  display: block;
  margin: 0 auto;
}

.demo-block-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.95rem;
  color: #0ea5e9;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.demo-block-link:hover {
  color: var(--navy);
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero {
    padding: 120px clamp(12px, 4vw, 20px) 48px;
    min-height: min(100vh, 920px);
  }
  .hero h1 {
    font-size: clamp(1.65rem, 8vw, 2.5rem);
    letter-spacing: -1px;
  }
  .hero-intro {
    font-size: 1rem;
    margin-bottom: 28px;
  }
  .section {
    padding: 56px clamp(12px, 4vw, 20px);
  }
  .video-wrapper {
    box-shadow:
      -6px 8px 0 rgba(148, 163, 184, 0.12),
      -12px 14px 24px rgba(0, 0, 0, 0.45);
  }
  .video-wrapper:hover {
    box-shadow: 0 16px 32px rgba(26, 39, 68, 0.18), 0 0 20px rgba(14, 165, 233, 0.1);
  }
  .carousel-btn {
    opacity: 0.85;
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 108px;
  }
  .card {
    padding: 22px 18px;
  }
  .card:hover {
    transform: translateY(-8px) scale(1.01);
  }
}

@media (max-width: 720px) {
  .floating-nav {
    flex-wrap: wrap;
    row-gap: 12px;
    border-radius: 28px;
    padding: 12px 16px;
    justify-content: center;
    width: min(calc(100% - 24px), 800px);
  }
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 14px;
  }
  .btn-nav {
    margin-left: auto;
  }
  .nav-logo {
    font-size: 1.05rem;
  }
}

/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  z-index: 5000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(26, 39, 68, 0.92);
  backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(14, 165, 233, 0.25);
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  z-index: 1001;
  transition: color 0.3s ease;
}

.lightbox-close:hover {
  color: var(--primary-glow);
}

.lightbox-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: 1px solid rgba(255,255,255,0.1);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
  font-size: 20px;
  transition: background 0.3s ease, color 0.3s ease;
}

.lightbox-btn:hover {
  background: var(--primary-glow);
  color: #000;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }