/* ===================================================
   NovaCode Pro — Estilos Base
   Sistema de diseño: dark mode, glassmorphism, gradientes
   =================================================== */

/* --- Variables CSS --- */
:root {
  --color-bg: #050a18;
  --color-surface: #0d1527;
  --color-surface-2: #111d35;
  --color-primary: #2563eb;
  --color-secondary: #7c3aed;
  --color-accent: #06b6d4;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(37, 99, 235, 0.4);

  --gradient-hero: linear-gradient(135deg, #050a18 0%, #0f1b3c 50%, #1a0533 100%);
  --gradient-cta: linear-gradient(135deg, #2563eb, #7c3aed);
  --gradient-text: linear-gradient(135deg, #60a5fa, #a78bfa);
  --gradient-accent: linear-gradient(135deg, #06b6d4, #2563eb);

  --glass-bg: rgba(13, 21, 39, 0.6);
  --glass-blur: blur(16px) saturate(180%);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --glass-radius: 16px;

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 80px;
  --space-9: 120px;

  --max-width: 1200px;
  --section-padding: 100px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Utilidades --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--section-padding) 0;
}

.section-alt {
  background-color: var(--color-surface);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.section-title span {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-7);
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-cta);
  color: white;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.5);
}

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

.btn-secondary:hover {
  background: var(--glass-bg);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

/* --- Animaciones globales --- */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes float-delayed {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(5deg); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(37, 99, 235, 0.3); }
  50% { box-shadow: 0 0 40px rgba(124, 58, 237, 0.6); }
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 48px;
  }

  .container {
    padding: 0 var(--space-3);
  }
}