* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}

:root {
  --bg-black: #050505;
  --bg-card: #0D0D0D;
  --border-color: #1F1F1F;
  --red-neon: #FF0000;
  --red-hover: #CC0000;
  --text-white: #FFFFFF;
  --text-gray: #A1A1AA;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-black);
  color: var(--text-white);
}

body {
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(255, 0, 0, 0.12) 0%, transparent 50%),
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-red {
  color: var(--red-neon);
}

/* NAVBAR FLOTANTE ELITE (FIXED & GLASSMORPHISM) */
.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 1200px;
  background: rgba(13, 13, 13, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  z-index: 9999;
  padding: 14px 28px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5), 0 0 15px rgba(255, 0, 0, 0.08);
  transition: all 0.3s ease;
}

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

.logo {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text-white);
  text-decoration: none;
  text-transform: uppercase;
}

.logo span {
  color: var(--red-neon);
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--text-gray);
  text-decoration: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  transition: all 0.3s ease;
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-white);
}

.nav-links a.active::after,
.nav-links a:hover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--red-neon);
  box-shadow: 0 0 8px var(--red-neon);
}

/* HEADINGS & TAGS */
.tagline {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--red-neon);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-size: 44px;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 20px;
}

/* HERO GRID & FUTURISTIC SHAPE */
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.futuristic-card {
  position: relative;
  width: 100%;
  height: 380px;
  background: radial-gradient(circle at center, rgba(255, 0, 0, 0.15) 0%, transparent 70%);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(255, 0, 0, 0.1);
}

.cube-wrapper {
  position: relative;
  width: 140px;
  height: 140px;
  transform-style: preserve-3d;
  animation: rotateCube 12s infinite linear;
}

.cube-face {
  position: absolute;
  width: 140px;
  height: 140px;
  border: 2px solid var(--red-neon);
  background: rgba(255, 0, 0, 0.05);
  box-shadow: inset 0 0 15px rgba(255, 0, 0, 0.3);
}

.cube-face:nth-child(1) { transform: rotateY(0deg) translateZ(70px); }
.cube-face:nth-child(2) { transform: rotateY(90deg) translateZ(70px); }
.cube-face:nth-child(3) { transform: rotateY(180deg) translateZ(70px); }
.cube-face:nth-child(4) { transform: rotateY(-90deg) translateZ(70px); }
.cube-face:nth-child(5) { transform: rotateX(90deg) translateZ(70px); }
.cube-face:nth-child(6) { transform: rotateX(-90deg) translateZ(70px); }

@keyframes rotateCube {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

/* BOTONES */
.btn-primary {
  display: inline-block;
  background-color: var(--red-neon);
  color: var(--text-white);
  padding: 16px 32px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.3s;
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.3);
}

.btn-primary:hover {
  background-color: var(--red-hover);
  box-shadow: 0 0 30px rgba(255, 0, 0, 0.6);
}

.btn-secondary {
  display: inline-block;
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.02);
  padding: 16px 32px;
  color: var(--text-white);
  text-decoration: none;
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 2px;
  transition: all 0.3s;
}

.btn-secondary:hover {
  border-color: var(--red-neon);
  color: var(--red-neon);
}

/* MARQUEE DE TECNOLOGÍAS */
.tech-marquee-section {
  padding: 30px 0;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.tech-marquee-wrapper {
  display: flex;
  width: 200%;
  animation: marquee 20s linear infinite;
}

.tech-track {
  display: flex;
  justify-content: space-around;
  width: 100%;
  gap: 40px;
}

.tech-item {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text-gray);
  display: flex;
  align-items: center;
  gap: 12px;
}

.tech-item span {
  color: var(--red-neon);
}

@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

/* CARDS DE SERVICIOS */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 40px 32px;
  position: relative;
  transition: all 0.3s;
}

.service-card:hover {
  border-color: var(--red-neon);
  transform: translateY(-5px);
}

.service-number {
  font-size: 12px;
  font-weight: 900;
  color: var(--red-neon);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.service-title {
  font-size: 20px;
  font-weight: 900;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.service-desc {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* BANNER ROJO CTA */
.cta-banner-red {
  background: linear-gradient(135deg, #FF0000 0%, #990000 100%);
  padding: 60px 0;
  text-align: center;
  position: relative;
  box-shadow: 0 0 50px rgba(255, 0, 0, 0.3);
}

.cta-banner-content h2 {
  font-size: 32px;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.cta-banner-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto 32px;
  line-height: 1.6;
  font-weight: 500;
}

.btn-white {
  display: inline-block;
  background-color: #FFFFFF;
  color: #000000;
  padding: 18px 40px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.3s;
}

.btn-white:hover {
  background-color: #000000;
  color: #FFFFFF;
}

/* FORMULARIO DE CONTACTO */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}

.info-block {
  border-left: 2px solid var(--red-neon);
  padding-left: 20px;
}

.info-label {
  display: block;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text-gray);
  margin-bottom: 8px;
}

.info-value {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 1px;
  text-decoration: none;
  color: var(--text-white);
}

.contact-form-wrapper {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1.5px;
  color: var(--text-gray);
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  background-color: #18181B;
  border: 1px solid var(--border-color);
  padding: 14px;
  color: var(--text-white);
  font-size: 13px;
  outline: none;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red-neon);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 48px;
}

.footer-text {
  font-size: 12px;
  color: #71717A;
  margin-top: 12px;
  line-height: 1.5;
}

.footer h4 {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  color: var(--text-gray);
  font-size: 12px;
  text-decoration: none;
}

.newsletter-box { display: flex; }
.newsletter-box input {
  background-color: #18181B;
  border: 1px solid var(--border-color);
  padding: 10px;
  font-size: 12px;
  color: var(--text-white);
  outline: none;
  width: 100%;
}
.newsletter-box button {
  background-color: var(--red-neon);
  border: none;
  color: var(--text-white);
  padding: 0 16px;
  font-weight: bold;
  cursor: pointer;
}

.footer-bottom {
  text-align: center;
  font-size: 10px;
  color: #52525B;
  letter-spacing: 1px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--red-neon);
  color: var(--text-white);
  width: 56px;
  height: 56px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.4);
  z-index: 999;
}

@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar {
    width: calc(100% - 24px);
    padding: 12px 16px;
  }
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 9px; letter-spacing: 1px; }
}

@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 30px; }
  .cta-banner-content h2 { font-size: 22px; }
}