:root{
	--color-bg: #f9fafb;
	--color-primary: #2563eb;
	--color-secondary: #1e293b;
	--color-light: #ffffff;
	--color-gray: #6b7280;
}

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

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

a{
	text-decoration: none;
	color: var(--color-primary);

}

/* Header */
header{
	background: var(--color-primary);
	color: var(--color-light);
	padding: 3rem 1rem;
	text-align: center;
}

header h1{
	font-size: 2.5rem;
}

header p{
	margin-top: 0.5rem;
	font-size: 1.2rem;
	color: #dbeafe;
}

/* Navigation */
nav{
	background: var(--color-light);
	padding: 1rem;
	display: flex;
	justify-content: center;
	gap: 2rem;
	border-bottom: 1px solid #e5e7eb;
	position: sticky;
	top: 0;
	z-index: 1000;
}

nav a{
	color: var(--color-secondary);
	font-weight: bold;
	transition: color 0.3s;
}

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

/* Sections */
section{
	max-width: 1000px;
	margin: 2rem auto;
	padding: 2rem;
	background: var(--color-light);
	border-radius: 12px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0, 0.05);
}

h2{
	font-size: 1.8rem;
	margin-bottom: 1rem;
	border-left: 5px solid var(--color-primary);
	padding-left: 0.5rem;
}

/* Sobre mi */
#sobre-mi p{
	font-size: 1.1rem;
	color: var(--color-gray);
}

/* Habilidades */
.skills-grid {
	display: grid;
  	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  	gap: 1.5rem;
  	max-width: 800px;
  	margin: auto;
}

.skill{
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
}

.bar{
	background: #e5e7eb;
	border-radius: 12px;
	overflow: hidden;
	width: 100%;
	height: 20px;
	margin-top: 0.5rem;
}

.fill {
  background: linear-gradient(90deg, #2563eb, #3b82f6);
  height: 100%;
  width: 0;
  border-radius: 12px;
  animation: fillSkill 2s forwards;
}

@keyframes fillSkill {
  from { width: 0; }
  to { width: var(--skill-width); }
}

/* Proyectos */
.projects-grid{
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
	gap: 1.5rem;
	margin-top: 1.5rem;
}

.project-card {
    background: var(--color-bg);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

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

.project-card p {
    font-size: 0.95rem;
    color: var(--color-gray);
}

/* Contacto */
#contacto p{
	margin: 0.5rem 0;
	font-size: 1.1rem;
}

#contacto a{
	font-weight: bold;
}

/* Footer */
footer{
	text-align: center;
	padding: 1.5rem;
	background: var(--color-secondary);
	color: var(--color-light);
	margin-top: 2rem;
}

/* Dark Mode */
body.dark{
	background-color: #121212;
	color: #f5f5f5;
}

body.dark header, body.dark footer{
	background-color: #1e1e1e;
}

body.dark section,
body.dark .project-card {
    background-color: #1e1e1e;
    color: #f5f5f5;
    border-color: #333;
}

body.dark .bar {
    background: #333;
}

body.dark .fill {
    background: linear-gradient(90deg, #2563eb, #3b82f6);
}