/* --- style.css --- */

:root {
    /* Colores Base */
    --bg-color: #0f172a;       /* Fondo oscuro */
    --card-bg: #1e293b;        /* Fondo tarjetas */
    --text-main: #e2e8f0;      /* Texto blanco suave */
    --text-muted: #94a3b8;     /* Texto gris */
    
    /* Colores de Acento por Nicho */
    --accent-main: #38bdf8;    /* Azul (General/Web) */
    --accent-iot: #f59e0b;     /* Naranja (IoT) */
    --accent-sys: #a855f7;     /* Morado (Sistemas) */
    --success: #22c55e;        /* Verde (WhatsApp/Estado OK) */
    --danger: #ef4444;         /* Rojo (Estado Error) */
}

/* --- Estilos Generales --- */
body {
    margin: 0;
    padding: 0;
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

a { text-decoration: none; color: inherit; }

.container {
    max-width: 1000px; /* Ancho máximo estándar */
    width: 90%;
    padding: 3rem 0;
    text-align: center;
}

/* --- Encabezados (Header) --- */
header {
    width: 100%;
    padding: 2rem 1rem;
    text-align: center;
    border-bottom: 1px solid #334155;
    background: rgba(15, 23, 42, 0.95);
    position: sticky;
    top: 0;
    z-index: 10;
    box-sizing: border-box; /* Evita que el padding rompa el ancho */
}

h1 { margin: 0; font-size: 2rem; color: var(--accent-main); }
.subtitle { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.5rem; }

/* --- Página Principal (Perfil) --- */
.profile-section {
    background: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #334155;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.handle { color: var(--accent-main); font-weight: bold; font-size: 1.2rem; display: block; margin-bottom: 1rem; }
.bio { color: var(--text-muted); line-height: 1.6; margin-bottom: 2rem; }

/* --- Grillas (Para Servicios y Proyectos) --- */
.services-grid, .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    text-align: left;
}

/* --- Tarjetas (Cards) --- */
.service-card, .project-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    border: 1px solid #334155;
    transition: transform 0.2s, border-color 0.2s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%; /* Para que todas tengan la misma altura */
}

.service-card { padding: 1.5rem; }
.service-card:hover, .project-card:hover { transform: translateY(-5px); border-color: var(--accent-main); }

.icon { font-size: 2rem; margin-bottom: 1rem; display: block; }
.card-title { font-size: 1.1rem; font-weight: bold; margin-bottom: 0.5rem; color: #fff; }
.card-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.4; flex-grow: 1; }

/* --- Elementos Específicos de Proyectos (IoT/Sistemas) --- */
.card-image { width: 100%; height: 180px; object-fit: cover; border-bottom: 1px solid #334155; }

.card-content { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }

.card-header { padding: 1.5rem; text-align: center; border-bottom: 1px solid #334155; position: relative; }
.tech-icon { font-size: 3rem; }

/* LED para IoT */
.status-led {
    width: 10px; height: 10px; background-color: var(--success);
    border-radius: 50%; position: absolute; top: 10px; right: 10px;
    box-shadow: 0 0 5px var(--success);
}

/* Datos de sensores y estadísticas */
.sensor-data, .stats-grid {
    background: rgba(0,0,0,0.3); border: 1px solid #334155;
    border-radius: 4px; padding: 10px; margin-bottom: 1rem;
    font-size: 0.8rem; font-family: monospace;
}
.sensor-data { color: var(--accent-iot); }

.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.stat-val { display: block; font-weight: bold; color: var(--accent-sys); font-size: 1.1rem; text-align: center; }
.stat-label { display: block; font-size: 0.7rem; color: var(--text-muted); text-align: center; text-transform: uppercase; }

/* --- Etiquetas (Tags) --- */
.tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tag {
    padding: 4px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: bold;
    background: rgba(255,255,255,0.05); color: var(--text-muted); border: 1px solid rgba(255,255,255,0.1);
}

/* --- Botones --- */
.btn {
    padding: 10px 20px; border-radius: 8px; font-weight: bold; text-align: center;
    display: inline-block; transition: all 0.2s; cursor: pointer;
    font-size: 0.9rem; text-decoration: none;
}
.btn-whatsapp { background-color: var(--success); color: white; width: 100%; box-sizing: border-box; }
.btn-primary { background-color: var(--accent-main); color: #0f172a; }
.btn-outline { border: 1px solid #334155; color: var(--text-main); }
.card-links { display: flex; gap: 1rem; margin-top: auto; }
.card-links .btn { flex: 1; }

/* --- Footer --- */
footer, .back-link { margin-top: 3rem; color: var(--text-muted); font-size: 0.8rem; text-align: center; display: block; }
.back-link:hover { color: var(--accent-main); }