/* ===== VARIABLES Y TEMAS ===== */
:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --card-bg: #f9f9f9;
  --border-color: #e0e0e0;
  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

[data-theme="dark"] {
  --bg-color: #0f172a;
  --text-color: #e2e8f0;
  --card-bg: #1e293b;
  --border-color: #334155;
  --accent-color: #3b82f6;
  --accent-hover: #60a5fa;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

/* ===== ESTILOS BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  padding: 20px;
  transition: var(--transition);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

/* ===== LOGO ===== */
.logo-container {
  text-align: center;
  margin: 2rem 0;
}

.logo {
  width: 120px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

/* ===== TARJETAS ===== */
.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

/* ===== ENCABEZADO ===== */
header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--accent-color);
}

.highlight {
  color: #0ea5e9;
}

.subtitle {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.description {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto;
}

/* ===== PROYECTOS ===== */
.project {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 12px;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
}

.project h3 {
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.project p {
  margin-bottom: 1rem;
}

/* ===== BOTONES ===== */
.btn {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid var(--accent-color);
}

.btn:hover {
  background: transparent;
  color: var(--accent-color);
  transform: translateY(-2px);
}

/* ===== CONTACTO ===== */
.contact p {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

.contact a {
  color: var(--accent-color);
  text-decoration: underline;
}

.contact a:hover {
  text-decoration: none;
}
/* En styles.css */
.contact-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  justify-content: center;
}

.btn.whatsapp { background-color: #25D366; border-color: #128C7E; }
.btn.whatsapp:hover { background: transparent; color: #25D366; }

.btn.telegram { background-color: #0088cc; border-color: #0077b5; }
.btn.telegram:hover { background: transparent; color: #0088cc; }

/* ===== TOGGLE DE TEMA ===== */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--card-bg);
  color: var(--text-color);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  box-shadow: var(--shadow);
  z-index: 100;
  transition: var(--transition);
}

.theme-toggle:hover {
  transform: scale(1.1) rotate(15deg);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  header h1 {
    font-size: 2rem;
  }

  .card {
    padding: 1.5rem;
  }
}