/* ============================================================
   Cactus Cognita — Estilos base compartidos
   ============================================================ */

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

/* Variables */
:root {
  --bg: #050b14;
  --bg2: #080f1c;
  --teal: #00d4c8;
  --teal2: #00a8ff;
  --pink: #e040fb;
  --text: #e8f4f8;
  --muted: #7a9ab0;
  --card: rgba(255,255,255,0.03);
  --border: rgba(0,212,200,0.15);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

/* Base */
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Nav */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5,11,20,0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.logo-icon { width: 38px; height: 38px; }
.logo-text { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--text); letter-spacing: 0.02em; }
.logo-text span { color: var(--teal); }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: linear-gradient(135deg, var(--teal), var(--teal2));
  color: var(--bg);
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  font-family: var(--font-display);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-size: 0.95rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); }

/* Footer links */
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.8rem; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--teal); }

/* Responsive nav */
@media(max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
}