/* styles.css - Strix Dojo Theme */
:root {
    --bg-dark: #0f111a;
    --card-bg: #1e212b;
    --primary: #00ff88; /* Verde Hacker */
    --accent: #e63946;  /* Rojo Strix */
    --text: #e0e6ed;
    --text-muted: #94a3b8;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text);
}

/* Header */
header {
    background: rgba(30, 33, 43, 0.9);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #333;
    position: sticky; top: 0; z-index: 100;
}
.logo { font-weight: bold; font-size: 1.2rem; letter-spacing: 1px; }
.logo span { color: var(--accent); }

/* Hero Section con tu Ninja */
.hero {
    background: linear-gradient(rgba(15,17,26,0.7), var(--bg-dark)), url('assets/ciberninja.jpg');
    background-size: cover;
    background-position: center top;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.hero-content h1 { font-size: 3rem; margin: 0; text-shadow: 0 4px 10px rgba(0,0,0,0.8); }
.hero-content p { font-size: 1.2rem; color: var(--primary); font-weight: bold; }

/* Grid de Tarjetas */
.container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }
.section-title { border-left: 4px solid var(--accent); padding-left: 15px; margin-bottom: 30px; }

.challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #333;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 255, 136, 0.1);
    border-color: var(--primary);
}

.card-body { padding: 20px; flex-grow: 1; }
.card-tags { font-size: 0.8rem; color: var(--primary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; display: block;}
.card h3 { margin: 0 0 10px 0; font-size: 1.5rem; }
.card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; }

.card-footer {
    padding: 15px 20px;
    background: rgba(0,0,0,0.2);
    border-top: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.difficulty { font-size: 0.8rem; font-weight: bold; }
.diff-easy { color: var(--primary); }
.diff-hard { color: var(--accent); }
.locked { opacity: 0.5; pointer-events: none; filter: grayscale(1); }

/* Estilos para el Blog Post */
.blog-content { max-width: 800px; margin: 0 auto; padding: 40px 20px; background: var(--card-bg); border-radius: 10px; margin-top: -50px; position: relative; border: 1px solid #333;}
.code-block { background: #000; padding: 15px; border-left: 3px solid var(--primary); font-family: monospace; color: var(--primary); margin: 20px 0; overflow-x: auto; }
.btn-action { display: block; width: 100%; text-align: center; background: var(--accent); color: white; padding: 15px; text-decoration: none; border-radius: 8px; font-weight: bold; margin-top: 30px; transition: background 0.3s; }
.btn-action:hover { background: #c53030; }