@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Inter:wght@300;400;600&display=swap');

:root {
  /* Colors */
  --bg-dark: #0a0a0f;
  --bg-dark-secondary: #14141d;
  --text-main: #f0f0f5;
  --text-muted: #9ca3af;
  
  --accent-primary: #00f2fe;
  --accent-secondary: #4facfe;
  --accent-gradient: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

/* Utilities */
.text-accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 24px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #000;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 25px rgba(0, 242, 254, 0.6);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--glass-border);
}

.btn-outline:hover {
  background: var(--glass-bg);
  border-color: var(--accent-primary);
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  box-shadow: 0 -15px 30px rgba(0, 0, 0, 0.8);
  background-color: var(--bg-dark);
  padding: 80px 0;
  transform-origin: center center;
}

#inicio { z-index: 1; }
#servicios { z-index: 2; background-color: var(--bg-dark); }
#nosotros { z-index: 3; background-color: var(--bg-dark-secondary); }
#contacto { z-index: 4; background-color: var(--bg-dark); }

/* Background Gradients (Glows) */
.bg-glow-1 {
  position: absolute;
  top: -20%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(10, 10, 15, 0) 70%);
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

.bg-glow-2 {
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(79, 172, 254, 0.1) 0%, rgba(10, 10, 15, 0) 70%);
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 100;
  transition: var(--transition-smooth);
}

header.scrolled {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  padding: 15px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid var(--glass-border);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-weight: 400;
  color: var(--text-muted);
}

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

/* Hero Section */
/* Hero Section */
.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  padding-top: 120px;
  display: flex;
  align-items: center;
}

.hero-slider-container {
  position: relative;
  width: 100%;
  min-height: 500px;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 4rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.hero-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
}

.hero-text-side {
  flex: 1.2;
  text-align: left;
}

.hero-text-side h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
}

.hero-text-side p {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-start;
}

.hero-image-side {
  flex: 0.8;
  display: flex;
  justify-content: center;
  align-items: center;
}

.slide-image-wrapper {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  padding: 1rem;
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: floatImage 6s ease-in-out infinite;
}

.slide-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
}

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

/* Slider Controls */
.slider-controls {
  position: absolute;
  bottom: 20px;
  left: 2rem;
  display: flex;
  gap: 12px;
  z-index: 10;
}

.slide-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.slide-dot:hover, .slide-dot.active {
  background: var(--accent-primary);
  transform: scale(1.2);
}

/* Responsive slider */
@media (max-width: 992px) {
  .hero-slide {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
    justify-content: center;
  }
  .hero-text-side {
    text-align: center;
    order: 2;
  }
  .hero-text-side p {
    margin: 0 auto 2rem auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-image-side {
    order: 1;
    max-height: 250px;
  }
  .slide-image-wrapper {
    max-width: 220px;
  }
  .slider-controls {
    left: 50%;
    transform: translateX(-50%);
    bottom: 0px;
  }
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.service-card {
  padding: 3rem 2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 242, 254, 0.3);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.1), transparent 70%);
  opacity: 0;
  transition: var(--transition-smooth);
}

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

.service-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.service-card h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.service-link {
  color: var(--accent-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.service-link i {
  transition: transform 0.3s ease;
}

.service-link:hover i {
  transform: translateX(5px);
}

/* Footer */
footer {
  background-color: var(--bg-dark-secondary);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

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

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

.footer-col ul li a {
  color: var(--text-muted);
}

.footer-col ul li a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* In a real app, you'd add a hamburger menu */
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}