:root {
  --c-pink: #FC008B;
  --c-cyan: #00E4FC;
  --c-yellow: #FCDD00;
  --c-purple: #A73875;
  --c-teal: #3E777D;
  --bg-dark: #070b14;
  --text-main: #f1f5f9;
}

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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.8;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

body.loaded {
  opacity: 1;
}

#page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.4s ease;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(0, 228, 252, 0.2);
  border-top-color: var(--c-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.top-disclaimer {
  background: linear-gradient(90deg, var(--c-purple), var(--c-teal));
  color: #fff;
  font-size: 0.85rem;
  text-align: center;
  padding: 0.6rem 1rem;
  font-weight: 600;
  position: relative;
  z-index: 1001;
}

.main-header {
  background: rgba(7, 11, 20, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1500px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 3rem;
}

.brand-logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  background: linear-gradient(45deg, var(--c-cyan), var(--c-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-menu li {
  opacity: 0;
  transform: translateY(-15px);
  animation: navStagger 0.5s forwards;
}

.nav-menu li:nth-child(1) { animation-delay: 0.1s; }
.nav-menu li:nth-child(2) { animation-delay: 0.2s; }
.nav-menu li:nth-child(3) { animation-delay: 0.3s; }
.nav-menu li:nth-child(4) { animation-delay: 0.4s; }

@keyframes navStagger {
  to { opacity: 1; transform: translateY(0); }
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  display: inline-block;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.2s;
}

.nav-menu a:hover {
  color: var(--c-cyan);
  transform: translateY(-4px) scale(1.05);
}

/* HERO DE ALTO IMPACTO FLUIDO */
.hero-fluid {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 4rem 3rem;
  max-width: 1500px;
  margin: 0 auto;
  overflow: hidden;
}

.hero-bg-abstract {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.25;
  filter: blur(100px);
  background: radial-gradient(circle at 15% 20%, var(--c-pink) 0%, transparent 40%),
              radial-gradient(circle at 85% 80%, var(--c-cyan) 0%, transparent 40%),
              radial-gradient(circle at 50% 50%, var(--c-yellow) 0%, transparent 50%);
  animation: morphGlow 10s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes morphGlow {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.15) rotate(5deg); }
}

.hero-grid-split {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 4.2rem;
  line-height: 1.08;
  font-weight: 900;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 20%, var(--c-cyan) 60%, var(--c-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(0,228,252,0.25));
}

.hero-content p {
  font-size: 1.25rem;
  color: #94a3b8;
  margin-bottom: 2.5rem;
  max-width: 700px;
}

.btn-action {
  position: relative;
  background: linear-gradient(135deg, var(--c-pink), var(--c-purple));
  color: #fff;
  padding: 1rem 2.8rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  display: inline-block;
  overflow: hidden;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(252, 0, 139, 0.35);
}

.btn-action:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 228, 252, 0.45);
}

.btn-action.clicked {
  animation: btnPulseAlt 0.4s ease;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-teal));
}

@keyframes btnPulseAlt {
  0% { transform: scale(1); }
  50% { transform: scale(0.92); }
  100% { transform: scale(1); }
}

/* ARQUITECTURA ASIMÉTRICA FLUIDA LIBRE DE CAJAS RÍGIDAS */
.fluid-canvas {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 3rem;
}

.creative-section {
  position: relative;
  margin: 8rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.creative-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.creative-section.reverse {
  direction: rtl;
}

.creative-section.reverse > * {
  direction: ltr;
}

.creative-text h2 {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: #fff;
}

.creative-text h2 span {
  color: var(--c-yellow);
  background: linear-gradient(90deg, var(--c-yellow), var(--c-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.creative-text p {
  font-size: 1.15rem;
  color: #94a3b8;
  margin-bottom: 2rem;
}

.creative-img-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
}

.creative-img-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.creative-img-wrapper:hover img {
  transform: scale(1.05);
}

/* TARJETAS GLASSMORPHIC CON BRILLO DINÁMICO */
.glass-glow-card {
  position: relative;
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  padding: 4rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.glass-glow-card::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,228,252,0.2) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  transform: translate(var(--x, 0), var(--y, 0));
}

.glass-glow-card:hover::before {
  opacity: 1;
}

.site-footer {
  background: #04070d;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 6rem 3rem 2rem;
  margin-top: 10rem;
}

.footer-grid {
  max-width: 1500px;
  margin: 0 auto 4rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
}

.footer-grid h4 {
  color: var(--c-cyan);
  margin-bottom: 1.2rem;
  font-size: 1.2rem;
}

.footer-grid ul {
  list-style: none;
}

.footer-grid li {
  margin-bottom: 0.8rem;
}

.footer-grid a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-grid a:hover {
  color: #fff;
}

.footer-bottom {
  max-width: 1500px;
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 2rem;
  text-align: center;
  color: #64748b;
  font-size: 0.9rem;
}

@media(max-width: 1024px) {
  .hero-grid-split, .creative-section {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .creative-section.reverse {
    direction: ltr;
  }
  .hero-content h1 {
    font-size: 3rem;
  }
}